Hello, When using Syzkaller to fuzz the latest Linux kernel, the following crash was triggered. HEAD commit: a7904a538933 Linux 5.16-rc6 git tree: upstream console output: https://paste.ubuntu.com/p/BpKg5JbNvp/plain/ kernel config: https://paste.ubuntu.com/p/FDDNHDxtwz/plain/ Sorry, I don't have a reproducer for this crash, hope the symbolized report can help. If you fix this issue, please add the following tag to the commit: Reported-by: Yiru Xu <xyru1999@xxxxxxxxx> INFO: task syz-executor.0:6784 blocked for more than 143 seconds. Not tainted 5.16.0-rc6 #9 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:23800 pid: 6784 ppid: 6775 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:4972 [inline] __schedule+0xcd9/0x2530 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385 __mutex_lock_common kernel/locking/mutex.c:680 [inline] __mutex_lock+0xc48/0x1610 kernel/locking/mutex.c:740 xt_find_table_lock+0x147/0x690 net/netfilter/x_tables.c:1242 get_entries net/ipv6/netfilter/ip6_tables.c:1037 [inline] do_ip6t_get_ctl+0x405/0x9b0 net/ipv6/netfilter/ip6_tables.c:1672 nf_getsockopt+0x72/0xd0 net/netfilter/nf_sockopt.c:116 ipv6_getsockopt net/ipv6/ipv6_sockglue.c:1495 [inline] ipv6_getsockopt+0x1f4/0x270 net/ipv6/ipv6_sockglue.c:1475 tcp_getsockopt+0x86/0xd0 net/ipv4/tcp.c:4252 __sys_getsockopt+0x21f/0x5f0 net/socket.c:2220 __do_sys_getsockopt net/socket.c:2235 [inline] __se_sys_getsockopt net/socket.c:2232 [inline] __x64_sys_getsockopt+0xba/0x150 net/socket.c:2232 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f49a729535e RSP: 002b:00007fffb529abb8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 0000000000000029 RCX: 00007f49a729535e RDX: 0000000000000041 RSI: 0000000000000029 RDI: 0000000000000003 RBP: 00007fffb529abe0 R08: 00007fffb529abdc R09: 00007fffb529b140 R10: 00007fffb529ac40 R11: 0000000000000212 R12: 00007fffb529ac40 R13: 0000000000000003 R14: 00007fffb529abdc R15: 00007f49a7385a40 </TASK> Showing all locks held in the system: 2 locks held by systemd/1: #0: ffff88801ec99980 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff88801ec99980 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 1 lock held by khungtaskd/39: #0: ffffffff8bb80e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458 1 lock held by oom_reaper/40: 2 locks held by kswapd1/124: 2 locks held by systemd-journal/3057: #0: ffff888105e64460 (sb_writers#3){.+.+}-{0:0}, at: do_syscall_x64 arch/x86/entry/common.c:50 [inline] #0: ffff888105e64460 (sb_writers#3){.+.+}-{0:0}, at: do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 #1: ffffffff8c353758 (tomoyo_ss){....}-{0:0}, at: tomoyo_path_perm+0x1c1/0x420 security/tomoyo/file.c:847 2 locks held by systemd-udevd/3067: #0: ffff888018b36940 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff888018b36940 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by systemd-timesyn/3122: #0: ffff888018b36940 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff888018b36940 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by sd-resolve/3128: #0: ffff8880258b5550 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff8880258b5550 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by in:imklog/6755: #0: ffff888018b36940 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff888018b36940 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by rs:main Q:Reg/6756: #0: ffff8880258b6940 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff8880258b6940 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 1 lock held by cron/6333: #0: ffff88801ec98de8 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:793 [inline] #0: ffff88801ec98de8 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: lookup_slow fs/namei.c:1673 [inline] #0: ffff88801ec98de8 (&type->i_mutex_dir_key#4){++++}-{3:3}, at: walk_component+0x400/0x6a0 fs/namei.c:1970 2 locks held by syz-fuzzer/6682: #0: ffff8880170af828 (&mm->mmap_lock#2){++++}-{3:3} , at: mmap_read_trylock include/linux/mmap_lock.h:136 [inline] , at: do_user_addr_fault+0x285/0x11c0 arch/x86/mm/fault.c:1338 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by syz-fuzzer/6683: #0: ffff888106b7b768 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff888106b7b768 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by syz-fuzzer/6684: #0: ffff888106b7b768 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff888106b7b768 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by syz-fuzzer/6696: #0: ffff888106b7b768 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff888106b7b768 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by syz-fuzzer/6774: #0: ffff888106b7b768 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 1 lock held by syz-executor.0/6784: #0: ffff8880201d0d88 (&xt[i].mutex){+.+.}-{3:3}, at: xt_find_table_lock+0x147/0x690 net/netfilter/x_tables.c:1242 5 locks held by syz-executor.2/6785: #0: ffff88810ae62460 (sb_writers#5){.+.+}-{0:0}, at: do_unlinkat+0x17f/0x660 fs/namei.c:4146 #1: ffff888055ef03f0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:818 [inline] #1: ffff888055ef03f0 (&type->i_mutex_dir_key#4/1){+.+.}-{3:3}, at: do_unlinkat+0x269/0x660 fs/namei.c:4150 #2: ffff888055dde7a0 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline] #2: ffff888055dde7a0 (&sb->s_type->i_mutex_key#10){++++}-{3:3}, at: vfs_unlink+0xd0/0x770 fs/namei.c:4089 #3: ffff88810ae66990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf58/0x1360 fs/jbd2/transaction.c:466 #4: ffff888106ba0648 (&mapping->i_mmap_rwsem){++++}-{3:3}, at: i_mmap_lock_read include/linux/fs.h:513 [inline] #4: ffff888106ba0648 (&mapping->i_mmap_rwsem){++++}-{3:3}, at: rmap_walk_file+0x86d/0xc20 mm/rmap.c:2345 2 locks held by syz-executor.4/6786: #0: ffff888106ba0590 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:838 [inline] #0: ffff888106ba0590 (mapping.invalidate_lock){++++}-{3:3}, at: filemap_fault+0x1537/0x2400 mm/filemap.c:3096 #1: ffffffff8bca5140 ( fs_reclaim){+.+.}-{0:0} , at: __perform_reclaim mm/page_alloc.c:4585 [inline] , at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] , at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 1 lock held by syz-executor.6/6787: #0: ffff8880201d0d88 (&xt[i].mutex){+.+.}-{3:3}, at: xt_find_table_lock+0x147/0x690 net/netfilter/x_tables.c:1242 2 locks held by syz-executor.5/6788: #0: ffff8880201d0d88 (&xt[i].mutex){+.+.}-{3:3}, at: xt_find_table_lock+0x147/0x690 net/netfilter/x_tables.c:1242 #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #1: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 2 locks held by kworker/u8:3/8500: 4 locks held by kworker/u8:5/10342: #0: ffff8881000ad938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8881000ad938 ((wq_completion)netns){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff8881000ad938 ((wq_completion)netns){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff8881000ad938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline] #0: ffff8881000ad938 ((wq_completion)netns){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline] #0: ffff8881000ad938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x8c3/0x16d0 kernel/workqueue.c:2269 #1: ffffc9001a027dc8 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8f7/0x16d0 kernel/workqueue.c:2273 #2: ffffffff8d2eeb90 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x9b/0xa90 net/core/net_namespace.c:555 #3: ffff8880201d0d88 (&xt[i].mutex){+.+.}-{3:3}, at: xt_find_table+0x12e/0x360 net/netfilter/x_tables.c:1221 2 locks held by kworker/2:88/25111: #0: ffff888010c66138 ((wq_completion)events_freezable_power_){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888010c66138 ((wq_completion)events_freezable_power_){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888010c66138 ((wq_completion)events_freezable_power_){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff888010c66138 ((wq_completion)events_freezable_power_){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:635 [inline] #0: ffff888010c66138 ((wq_completion)events_freezable_power_){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:662 [inline] #0: ffff888010c66138 ((wq_completion)events_freezable_power_){+.+.}-{0:0}, at: process_one_work+0x8c3/0x16d0 kernel/workqueue.c:2269 #1: ffffc90018df7dc8 ((work_completion)(&(&ev->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8f7/0x16d0 kernel/workqueue.c:2273 1 lock held by syz-executor.1/8118: #0: ffff8880201d0d88 (&xt[i].mutex){+.+.}-{3:3}, at: xt_find_table_lock+0x147/0x690 net/netfilter/x_tables.c:1242 4 locks held by syz-executor.0/17374: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c2b28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880522c2b28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880522c2b28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888099e08828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888099e08828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888099e08828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17378: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c0828 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880522c0828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880522c0828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888099c18128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888099c18128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888099c18128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17380: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c0128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880522c0128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880522c0128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a5401628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17383: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c6a28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880522c6a28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880522c6a28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880595a6a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880595a6a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880595a6a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17388: #0: ffffffff8bc53fd0 (dup_mmap_sem ){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] ){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88804fe39d28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88804fe39d28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88804fe39d28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b4a20f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b4a20f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b4a20f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17389: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88804fe3c728 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88804fe3c728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88804fe3c728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888094e44028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888094e44028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888094e44028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17390: #0: ffffffff8bc53fd0 ( dup_mmap_sem){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c5528 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880522c5528 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880522c5528 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b763e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b763e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b763e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17393: #0: ffffffff8bc53fd0 (dup_mmap_sem ){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c0f28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] ffff8880522c0f28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] ffff8880522c0f28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888094227128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888094227128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888094227128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17394: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c1d28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880522c1d28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880522c1d28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff88809988b928 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff88809988b928 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff88809988b928 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17396: #0: ffffffff8bc53fd0 ( dup_mmap_sem){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88804fe3ce28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88804fe3ce28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88804fe3ce28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff88812d49f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff88812d49f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff88812d49f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17397: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c7128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880522c7128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880522c7128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880ac735528 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880ac735528 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880ac735528 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17399: #0: ffffffff8bc53fd0 ( dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880629d2b28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880629d2b28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880629d2b28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a46edc28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a46edc28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a46edc28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17400: #0: ffffffff8bc53fd0 ( dup_mmap_sem ){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88804fe3f128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b1980128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b1980128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b1980128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17401: #0: ffffffff8bc53fd0 ( dup_mmap_sem){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275bdc28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880275bdc28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880275bdc28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a3737828 (&mm->mmap_lock /1){+.+.}-{3:3} , at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] , at: dup_mmap kernel/fork.c:507 [inline] , at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17402: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88804fe3a428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88804fe3a428 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88804fe3a428 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a82c0128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a82c0128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a82c0128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim ){+.+.}-{0:0} , at: __perform_reclaim mm/page_alloc.c:4585 [inline] , at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] , at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17403: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880275ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880275ba428 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b2412428 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b2412428 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b2412428 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17405: #0: ffffffff8bc53fd0 (dup_mmap_sem ){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880522c6328 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880522c6328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880522c6328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b4684028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b4684028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b4684028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17406: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275bf828 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880275bf828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880275bf828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8881253a1d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8881253a1d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8881253a1d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 ( fs_reclaim){+.+.}-{0:0} , at: __perform_reclaim mm/page_alloc.c:4585 [inline] , at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] , at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17407: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275b9d28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880275b9d28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880275b9d28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff88809255ea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff88809255ea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff88809255ea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17408: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801cbbea28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801cbbea28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801cbbea28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a33c4728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a33c4728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a33c4728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17409: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801cbb8f28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801cbb8f28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801cbb8f28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a44cf128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a44cf128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a44cf128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17410: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801cbb8828 ( &mm->mmap_lock #2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888087768828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888087768828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888087768828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17411: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801fb43928 (&mm->mmap_lock #2 ){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] ){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] ){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888022a24e28 (&mm->mmap_lock/1 ){+.+.}-{3:3} , at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] , at: dup_mmap kernel/fork.c:507 [inline] , at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 ( fs_reclaim ){+.+.}-{0:0} , at: __perform_reclaim mm/page_alloc.c:4585 [inline] , at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] , at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17412: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880170ad528 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880170ad528 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880170ad528 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880411dea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880411dea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880411dea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17413: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880629d7128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880629d7128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880629d7128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a842f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a842f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a842f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17414: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888062a60828 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888062a60828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888062a60828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a232f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a232f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a232f828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17415: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880629d7828 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880629d7828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880629d7828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a3ef9d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a3ef9d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a3ef9d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17416: #0: ffffffff8bc53fd0 (dup_mmap_sem ){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275bc728 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff88804378e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff88804378e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff88804378e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17417: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801baed528 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801baed528 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801baed528 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888045988128 ( &mm->mmap_lock /1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] /1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] /1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17418: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801fb43228 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801fb43228 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801fb43228 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880549e2b28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880549e2b28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880549e2b28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17419: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275be328 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880275be328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880275be328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880468b0128 (&mm->mmap_lock /1 ){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] ){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] ){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17420: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801cbb8128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801cbb8128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801cbb8128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b4818128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b4818128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b4818128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17421: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275bb228 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880275bb228 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880275bb228 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880aead6328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880aead6328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880aead6328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17422: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275bc028 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880275bc028 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880275bc028 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff88805a296a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff88805a296a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff88805a296a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0} , at: __perform_reclaim mm/page_alloc.c:4585 [inline] , at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] , at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17423: #0: ffffffff8bc53fd0 (dup_mmap_sem ){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] ){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880275b9628 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880275b9628 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880275b9628 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a45ece28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a45ece28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a45ece28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17424: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801fb47828 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888058cbea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888058cbea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888058cbea28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17426: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880170a9628 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8880170a9628 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8880170a9628 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a1ab6328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a1ab6328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a1ab6328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17427: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801cbbb228 ( &mm->mmap_lock #2 ){++++}-{3:3} , at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] , at: dup_mmap kernel/fork.c:498 [inline] , at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888097c86328 ( &mm->mmap_lock /1 ){+.+.}-{3:3} , at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] , at: dup_mmap kernel/fork.c:507 [inline] , at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim ){+.+.}-{0:0} , at: __perform_reclaim mm/page_alloc.c:4585 [inline] , at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] , at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17428: #0: ffffffff8bc53fd0 ( dup_mmap_sem){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801cbba428 ( &mm->mmap_lock#2){++++}-{3:3} , at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] , at: dup_mmap kernel/fork.c:498 [inline] , at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888098654028 (&mm->mmap_lock /1 ){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] ){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] ){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17429: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888062a63928 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888062a63928 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888062a63928 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b88df828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b88df828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b88df828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17430: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888042621d28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888042621d28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888042621d28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888027b31d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888027b31d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888027b31d28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 ( fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17431: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801fb40128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801fb40128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801fb40128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a88c8128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a88c8128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a88c8128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17433: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888042622b28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888042622b28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888042622b28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a7e57828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a7e57828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a7e57828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17434: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888042620828 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888042620828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888042620828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b19b8f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b19b8f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b19b8f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17435: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88806188ce28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88806188ce28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88806188ce28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880969e9628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880969e9628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880969e9628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17436: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888042626a28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888042626a28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888042626a28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a126f128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a126f128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a126f128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17437: #0: ffffffff8bc53fd0 (dup_mmap_sem ){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801baea428 (&mm->mmap_lock #2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b8597128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b8597128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b8597128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17438: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888042623928 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888042623928 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888042623928 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888090a4c728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888090a4c728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888090a4c728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17439: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8881235b4728 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8881235b4728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8881235b4728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888092246a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888092246a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888092246a28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17440: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88806188f128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88806188f128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88806188f128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888095198f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888095198f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888095198f28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17441: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888042620128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888042620128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888042620128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888092ba2428 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888092ba2428 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888092ba2428 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17443: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8880587cc728 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] ffff8880587cc728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] ffff8880587cc728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888092246328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888092246328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888092246328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17444: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888042626328 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888042626328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888042626328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a2d0c028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a2d0c028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a2d0c028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17445: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801baee328 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801baee328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801baee328 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b17e9628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b17e9628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b17e9628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17446: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801fb44028 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801fb44028 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801fb44028 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880877d8128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880877d8128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880877d8128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17447: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8881235b7828 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a44cf828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a44cf828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a44cf828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17448: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888025441628 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888025441628 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888025441628 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff88813159ab28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff88813159ab28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff88813159ab28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17450: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888025440128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888025440128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888025440128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff88812229c728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff88812229c728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff88812229c728 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17451: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888061888128 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888061888128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888061888128 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880460d4e28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880460d4e28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880460d4e28 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17452: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff8881235b0828 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff8881235b0828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff8881235b0828 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880bafc0828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880bafc0828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880bafc0828 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17453: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888025444728 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888025444728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888025444728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b6f8e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b6f8e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b6f8e328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17454: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888042624e28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888042624e28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888042624e28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888035137128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888035137128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888035137128 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 ( fs_reclaim){+.+.}-{0:0} , at: __perform_reclaim mm/page_alloc.c:4585 [inline] , at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] , at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17455: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801fb40f28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff88801fb40f28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff88801fb40f28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a7e2c028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a7e2c028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a7e2c028 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17456: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888025441d28 ( &mm->mmap_lock#2 ){++++}-{3:3} , at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] , at: dup_mmap kernel/fork.c:498 [inline] , at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b481b928 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17459: #0: ffffffff8bc53fd0 ( dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888025444e28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888025444e28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888025444e28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff888097c83928 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff888097c83928 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff888097c83928 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17460: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0} , at: dup_mmap kernel/fork.c:497 [inline] , at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff88801fb44728 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] ffff88801fb44728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] ffff88801fb44728 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880b2411628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880b2411628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880b2411628 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17462: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888025442b28 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888025442b28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888025442b28 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 #2: ffff8880a46ee328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: mmap_write_lock_nested include/linux/mmap_lock.h:78 [inline] #2: ffff8880a46ee328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mmap kernel/fork.c:507 [inline] #2: ffff8880a46ee328 (&mm->mmap_lock/1){+.+.}-{3:3}, at: dup_mm+0x18a/0x13d0 kernel/fork.c:1450 #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __perform_reclaim mm/page_alloc.c:4585 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_direct_reclaim mm/page_alloc.c:4609 [inline] #3: ffffffff8bca5140 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath.constprop.0+0x760/0x21b0 mm/page_alloc.c:5007 4 locks held by syz-executor.0/17463: #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:497 [inline] #0: ffffffff8bc53fd0 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm+0x108/0x13d0 kernel/fork.c:1450 #1: ffff888062a61628 (&mm->mmap_lock#2){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:87 [inline] #1: ffff888062a61628 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mmap kernel/fork.c:498 [inline] #1: ffff888062a61628 (&mm->mmap_lock#2){++++}-{3:3}, at: dup_mm+0x12e/0x13d0 kernel/fork.c:1450 Best Regards, Yiru
