Hello, syzbot found the following issue on: HEAD commit: bfa3037d8280 Merge tag 'fuse-update-6.5' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12ebb5aea80000 kernel config: https://syzkaller.appspot.com/x/.config?x=a4507c291b5ab5d4 dashboard link: https://syzkaller.appspot.com/bug?extid=913093197c71922e8375 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15b8869ea80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=149e6072a80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e914a402fd63/disk-bfa3037d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/748799ee6854/vmlinux-bfa3037d.xz kernel image: https://storage.googleapis.com/syzbot-assets/cb76e843e4b6/bzImage-bfa3037d.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/864deaa2a93a/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+913093197c71922e8375@xxxxxxxxxxxxxxxxxxxxxxxxx INFO: task syz-executor236:5167 blocked for more than 143 seconds. Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor236 state:D stack:24232 pid:5167 ppid:5059 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845 __mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 filemap_read_folio+0x19d/0x7a0 mm/filemap.c:2389 filemap_create_folio mm/filemap.c:2517 [inline] filemap_get_pages+0xdf7/0x20c0 mm/filemap.c:2570 filemap_splice_read+0x4ce/0xcd0 mm/filemap.c:2925 splice_direct_to_actor+0x2c4/0x9e0 fs/splice.c:1070 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1195 do_sendfile+0x623/0x1070 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f56e8e7ad09 RSP: 002b:00007f56e8e37218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f56e8f21708 RCX: 00007f56e8e7ad09 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f56e8f21700 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 00007f56e8f2170c R13: 00007f56e8eee4dc R14: 00007f56e8ecf0c0 R15: 0031656c69662f2e </TASK> INFO: task syz-executor236:5180 blocked for more than 143 seconds. Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor236 state:D stack:25256 pid:5180 ppid:5059 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 io_schedule+0x8c/0x100 kernel/sched/core.c:9028 folio_wait_bit_common+0x86c/0x12b0 mm/filemap.c:1304 __filemap_get_folio+0x90/0xa00 mm/filemap.c:1899 pagecache_get_page+0x2e/0x220 mm/folio-compat.c:99 find_or_create_page include/linux/pagemap.h:639 [inline] ni_readpage_cmpr+0x313/0xa70 fs/ntfs3/frecord.c:2135 ntfs_read_folio+0x19e/0x210 fs/ntfs3/inode.c:716 filemap_read_folio+0x19d/0x7a0 mm/filemap.c:2389 filemap_create_folio mm/filemap.c:2517 [inline] filemap_get_pages+0xdf7/0x20c0 mm/filemap.c:2570 filemap_splice_read+0x4ce/0xcd0 mm/filemap.c:2925 splice_direct_to_actor+0x2c4/0x9e0 fs/splice.c:1070 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1195 do_sendfile+0x623/0x1070 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f56e8e7ad09 RSP: 002b:00007f56e0c16218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f56e8f21718 RCX: 00007f56e8e7ad09 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 RBP: 00007f56e8f21710 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 00007f56e8f2171c R13: 00007f56e8eee4dc R14: 00007f56e8ecf0c0 R15: 0031656c69662f2e </TASK> INFO: task syz-executor236:5350 blocked for more than 144 seconds. Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor236 state:D stack:24648 pid:5350 ppid:5058 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 io_schedule+0x8c/0x100 kernel/sched/core.c:9028 folio_wait_bit_common+0x86c/0x12b0 mm/filemap.c:1304 __filemap_get_folio+0x90/0xa00 mm/filemap.c:1899 pagecache_get_page+0x2e/0x220 mm/folio-compat.c:99 find_or_create_page include/linux/pagemap.h:639 [inline] ni_readpage_cmpr+0x313/0xa70 fs/ntfs3/frecord.c:2135 ntfs_read_folio+0x19e/0x210 fs/ntfs3/inode.c:716 filemap_read_folio+0x19d/0x7a0 mm/filemap.c:2389 filemap_create_folio mm/filemap.c:2517 [inline] filemap_get_pages+0xdf7/0x20c0 mm/filemap.c:2570 filemap_splice_read+0x4ce/0xcd0 mm/filemap.c:2925 splice_direct_to_actor+0x2c4/0x9e0 fs/splice.c:1070 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1195 do_sendfile+0x623/0x1070 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f56e8e7ad09 RSP: 002b:00007f56e8e37218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f56e8f21708 RCX: 00007f56e8e7ad09 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f56e8f21700 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 00007f56e8f2170c R13: 00007f56e8eee4dc R14: 00007f56e8ecf0c0 R15: 0031656c69662f2e </TASK> INFO: task syz-executor236:5363 blocked for more than 144 seconds. Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor236 state:D stack:25096 pid:5363 ppid:5058 flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5381 [inline] __schedule+0x1873/0x48f0 kernel/sched/core.c:6710 schedule+0xc3/0x180 kernel/sched/core.c:6786 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6845 __mutex_lock_common+0xe33/0x2530 kernel/locking/mutex.c:679 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 filemap_read_folio+0x19d/0x7a0 mm/filemap.c:2389 filemap_create_folio mm/filemap.c:2517 [inline] filemap_get_pages+0xdf7/0x20c0 mm/filemap.c:2570 filemap_splice_read+0x4ce/0xcd0 mm/filemap.c:2925 splice_direct_to_actor+0x2c4/0x9e0 fs/splice.c:1070 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1195 do_sendfile+0x623/0x1070 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f56e8e7ad09 RSP: 002b:00007f56e0c16218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f56e8f21718 RCX: 00007f56e8e7ad09 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000006 RBP: 00007f56e8f21710 R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 00007f56e8f2171c R13: 00007f56e8eee4dc R14: 00007f56e8ecf0c0 R15: 0031656c69662f2e </TASK> Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/13: #0: ffffffff8d328af0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522 1 lock held by rcu_tasks_trace/14: #0: ffffffff8d328eb0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xd20 kernel/rcu/tasks.h:522 1 lock held by khungtaskd/28: #0: ffffffff8d328920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 2 locks held by getty/4771: #0: ffff888029833098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2187 3 locks held by syz-executor236/5167: #0: ffff88802b5e8410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888074f847a0 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:826 [inline] #1: ffff888074f847a0 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2509 [inline] #1: ffff888074f847a0 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2570 #2: ffff888074f84360 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff888074f84360 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 3 locks held by syz-executor236/5180: #0: ffff88802b5e8410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888074f847a0 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:826 [inline] #1: ffff888074f847a0 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2509 [inline] #1: ffff888074f847a0 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2570 #2: ffff888074f84360 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff888074f84360 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 3 locks held by syz-executor236/5350: #0: ffff888071aac410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888074f5e520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:826 [inline] #1: ffff888074f5e520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2509 [inline] #1: ffff888074f5e520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2570 #2: ffff888074f5e0e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff888074f5e0e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 3 locks held by syz-executor236/5363: #0: ffff888071aac410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888074f5e520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:826 [inline] #1: ffff888074f5e520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2509 [inline] #1: ffff888074f5e520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2570 #2: ffff888074f5e0e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff888074f5e0e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 3 locks held by syz-executor236/5802: #0: ffff8880722ea410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888071d0ec80 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:826 [inline] #1: ffff888071d0ec80 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2509 [inline] #1: ffff888071d0ec80 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2570 #2: ffff888071d0e840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff888071d0e840 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 2 locks held by syz-executor236/5809: #0: ffff8880722ea410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888071d0eae0 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_trylock include/linux/fs.h:791 [inline] #1: ffff888071d0eae0 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: ntfs_file_write_iter+0x1cb/0x6d0 fs/ntfs3/file.c:1060 3 locks held by syz-executor236/6053: #0: ffff88801f8d4410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888071c43180 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:826 [inline] #1: ffff888071c43180 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2509 [inline] #1: ffff888071c43180 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2570 #2: ffff888071c42d40 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff888071c42d40 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 2 locks held by syz-executor236/6056: #0: ffff88801f8d4410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888071c42fe0 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_trylock include/linux/fs.h:791 [inline] #1: ffff888071c42fe0 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: ntfs_file_write_iter+0x1cb/0x6d0 fs/ntfs3/file.c:1060 2 locks held by syz-executor236/7056: #0: ffff88802b024410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888074d66380 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:771 [inline] #1: ffff888074d66380 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: ntfs_file_write_iter+0x260/0x6d0 fs/ntfs3/file.c:1063 3 locks held by syz-executor236/7057: #0: ffff88802b024410 (sb_writers#9){.+.+}-{0:0}, at: do_sendfile+0x600/0x1070 fs/read_write.c:1253 #1: ffff888074d66520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:826 [inline] #1: ffff888074d66520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_create_folio mm/filemap.c:2509 [inline] #1: ffff888074d66520 (mapping.invalidate_lock#3){++++}-{3:3}, at: filemap_get_pages+0xb1c/0x20c0 mm/filemap.c:2570 #2: ffff888074d660e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ni_lock fs/ntfs3/ntfs_fs.h:1124 [inline] #2: ffff888074d660e0 (&ni->ni_lock/4){+.+.}-{3:3}, at: ntfs_read_folio+0x193/0x210 fs/ntfs3/inode.c:715 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x187/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xec2/0xf00 kernel/hung_task.c:379 kthread+0x2b8/0x350 kernel/kthread.c:389 ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 5089 Comm: kworker/u4:3 Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:jump_entry_key include/linux/jump_label.h:135 [inline] RIP: 0010:__jump_label_update+0x57/0x3a0 kernel/jump_label.c:470 Code: 03 00 00 49 be 00 00 00 00 00 fc ff df 45 31 e4 48 89 5c 24 08 4a 8d 0c 23 4e 8d 6c 23 08 4d 89 ef 49 c1 ef 03 43 80 3c 37 00 <48> 89 0c 24 74 0c 4c 89 ef e8 3b 8a 29 00 48 8b 0c 24 4a 8b 6c 23 RSP: 0018:ffffc90003e5faa8 EFLAGS: 00000246 RAX: ffffffff81bb35a2 RBX: ffffffff8cd092e0 RCX: ffffffff8cd092e0 RDX: 0000000000000000 RSI: ffffffff8cd092e0 RDI: ffffffff9200d560 RBP: ffffffff8cd0b500 R08: ffffffff81bb0afe R09: 1ffffffff2401aac R10: dffffc0000000000 R11: fffffbfff2401aad R12: 0000000000000000 R13: ffffffff8cd092e8 R14: dffffc0000000000 R15: 1ffffffff19a125d FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f56e8e38000 CR3: 000000000d130000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK> static_key_disable_cpuslocked+0xce/0x1b0 kernel/jump_label.c:235 static_key_disable+0x1a/0x20 kernel/jump_label.c:243 toggle_allocation_gate+0x1b8/0x250 mm/kfence/core.c:836 process_one_work+0x92c/0x12c0 kernel/workqueue.c:2597 worker_thread+0xa63/0x1210 kernel/workqueue.c:2748 kthread+0x2b8/0x350 kernel/kthread.c:389 ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.134 msecs --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
