On Thu, Sep 06, 2018 at 09:41:04AM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: b36fdc6853a3 Merge tag 'gpio-v4.19-2' of git://git.kernel... > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1716bc9e400000 > kernel config: https://syzkaller.appspot.com/x/.config?x=6c9564cd177daf0c > dashboard link: https://syzkaller.appspot.com/bug?extid=0eefc1e06a77d327a056 > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13db48be400000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+0eefc1e06a77d327a056@xxxxxxxxxxxxxxxxxxxxxxxxx This looks like it's a Smack issue? - Ted > > 8021q: adding VLAN 0 to HW filter on device team0 > 8021q: adding VLAN 0 to HW filter on device team0 > syz-executor0 (11193) used greatest stack depth: 15352 bytes left > > ====================================================== > WARNING: possible circular locking dependency detected > 4.19.0-rc2+ #1 Not tainted > ------------------------------------------------------ > syz-executor3/11182 is trying to acquire lock: > 00000000c157b042 (sb_internal){.+.+}, at: sb_start_intwrite > include/linux/fs.h:1613 [inline] > 00000000c157b042 (sb_internal){.+.+}, at: ext4_evict_inode+0x588/0x19b0 > fs/ext4/inode.c:250 > > but task is already holding lock: > 00000000128cdd3b (fs_reclaim){+.+.}, at: fs_reclaim_acquire.part.98+0x0/0x30 > mm/page_alloc.c:463 > > which lock already depends on the new lock. > > > the existing dependency chain (in reverse order) is: > > -> #3 (fs_reclaim){+.+.}: > __fs_reclaim_acquire mm/page_alloc.c:3728 [inline] > fs_reclaim_acquire.part.98+0x24/0x30 mm/page_alloc.c:3739 > fs_reclaim_acquire+0x14/0x20 mm/page_alloc.c:3740 > slab_pre_alloc_hook mm/slab.h:418 [inline] > slab_alloc mm/slab.c:3378 [inline] > kmem_cache_alloc_trace+0x2d/0x730 mm/slab.c:3618 > kmalloc include/linux/slab.h:513 [inline] > kzalloc include/linux/slab.h:707 [inline] > smk_fetch.part.24+0x5a/0xf0 security/smack/smack_lsm.c:273 > smk_fetch security/smack/smack_lsm.c:3548 [inline] > smack_d_instantiate+0x946/0xea0 security/smack/smack_lsm.c:3502 > security_d_instantiate+0x5c/0xf0 security/security.c:1287 > d_instantiate+0x5e/0xa0 fs/dcache.c:1870 > shmem_mknod+0x189/0x1f0 mm/shmem.c:2812 > vfs_mknod+0x447/0x800 fs/namei.c:3719 > handle_create+0x1ff/0x7c0 drivers/base/devtmpfs.c:211 > handle drivers/base/devtmpfs.c:374 [inline] > devtmpfsd+0x27f/0x4c0 drivers/base/devtmpfs.c:400 > kthread+0x35a/0x420 kernel/kthread.c:246 > ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 > > -> #2 (&isp->smk_lock){+.+.}: > __mutex_lock_common kernel/locking/mutex.c:925 [inline] > __mutex_lock+0x171/0x1700 kernel/locking/mutex.c:1073 > mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1088 > smack_d_instantiate+0x130/0xea0 security/smack/smack_lsm.c:3369 > security_d_instantiate+0x5c/0xf0 security/security.c:1287 > d_instantiate_new+0x7e/0x160 fs/dcache.c:1889 > ext4_add_nondir+0x81/0x90 fs/ext4/namei.c:2415 > ext4_symlink+0x761/0x1170 fs/ext4/namei.c:3162 > vfs_symlink+0x37a/0x5d0 fs/namei.c:4127 > do_symlinkat+0x242/0x2d0 fs/namei.c:4154 > __do_sys_symlink fs/namei.c:4173 [inline] > __se_sys_symlink fs/namei.c:4171 [inline] > __x64_sys_symlink+0x59/0x80 fs/namei.c:4171 > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 > entry_SYSCALL_64_after_hwframe+0x49/0xbe > > -> #1 (jbd2_handle){++++}: > start_this_handle+0x5c0/0x1260 fs/jbd2/transaction.c:385 > jbd2__journal_start+0x3c9/0x9f0 fs/jbd2/transaction.c:439 > __ext4_journal_start_sb+0x18d/0x590 fs/ext4/ext4_jbd2.c:81 > ext4_sample_last_mounted fs/ext4/file.c:414 [inline] > ext4_file_open+0x552/0x7b0 fs/ext4/file.c:439 > do_dentry_open+0x499/0x1250 fs/open.c:771 > vfs_open+0xa0/0xd0 fs/open.c:880 > do_last fs/namei.c:3418 [inline] > path_openat+0x130f/0x5340 fs/namei.c:3534 > do_filp_open+0x255/0x380 fs/namei.c:3564 > do_open_execat+0x221/0x8e0 fs/exec.c:853 > __do_execve_file.isra.35+0x1707/0x2460 fs/exec.c:1755 > do_execveat_common fs/exec.c:1866 [inline] > do_execve fs/exec.c:1883 [inline] > __do_sys_execve fs/exec.c:1964 [inline] > __se_sys_execve fs/exec.c:1959 [inline] > __x64_sys_execve+0x8f/0xc0 fs/exec.c:1959 > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 > entry_SYSCALL_64_after_hwframe+0x49/0xbe > > -> #0 (sb_internal){.+.+}: > lock_acquire+0x1e4/0x4f0 kernel/locking/lockdep.c:3901 > percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 > [inline] > percpu_down_read include/linux/percpu-rwsem.h:59 [inline] > __sb_start_write+0x1e9/0x300 fs/super.c:1387 > sb_start_intwrite include/linux/fs.h:1613 [inline] > ext4_evict_inode+0x588/0x19b0 fs/ext4/inode.c:250 > evict+0x4ae/0x990 fs/inode.c:558 > iput_final fs/inode.c:1547 [inline] > iput+0x5fa/0xa00 fs/inode.c:1573 > dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:374 > __dentry_kill+0x44c/0x7a0 fs/dcache.c:566 > dentry_kill+0xc9/0x5a0 fs/dcache.c:685 > shrink_dentry_list+0x36c/0x7c0 fs/dcache.c:1090 > prune_dcache_sb+0x12f/0x1c0 fs/dcache.c:1171 > super_cache_scan+0x270/0x480 fs/super.c:102 > do_shrink_slab+0x4ba/0xbb0 mm/vmscan.c:536 > shrink_slab_memcg mm/vmscan.c:601 [inline] > shrink_slab+0x6fe/0x8c0 mm/vmscan.c:674 > shrink_node+0x429/0x16a0 mm/vmscan.c:2735 > shrink_zones mm/vmscan.c:2964 [inline] > do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026 > try_to_free_pages+0x4b2/0xa60 mm/vmscan.c:3241 > __perform_reclaim mm/page_alloc.c:3769 [inline] > __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline] > __alloc_pages_slowpath+0x95a/0x2cb0 mm/page_alloc.c:4191 > __alloc_pages_nodemask+0xa1b/0xd10 mm/page_alloc.c:4390 > __alloc_pages include/linux/gfp.h:473 [inline] > __alloc_pages_node include/linux/gfp.h:486 [inline] > kmem_getpages mm/slab.c:1409 [inline] > cache_grow_begin+0x91/0x710 mm/slab.c:2677 > fallback_alloc+0x203/0x2c0 mm/slab.c:3219 > ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 > slab_alloc_node mm/slab.c:3327 [inline] > kmem_cache_alloc_node_trace+0xe9/0x720 mm/slab.c:3661 > __do_kmalloc_node mm/slab.c:3681 [inline] > __kmalloc_node+0x33/0x70 mm/slab.c:3689 > kmalloc_node include/linux/slab.h:555 [inline] > kvmalloc_node+0xb9/0xf0 mm/util.c:423 > kvmalloc include/linux/mm.h:577 [inline] > sem_alloc ipc/sem.c:497 [inline] > newary+0x244/0xb50 ipc/sem.c:527 > ipcget_new ipc/util.c:315 [inline] > ipcget+0x15d/0x11d0 ipc/util.c:614 > ksys_semget+0x1c0/0x280 ipc/sem.c:604 > __do_sys_semget ipc/sem.c:609 [inline] > __se_sys_semget ipc/sem.c:607 [inline] > __x64_sys_semget+0x73/0xb0 ipc/sem.c:607 > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 > entry_SYSCALL_64_after_hwframe+0x49/0xbe > > other info that might help us debug this: > > Chain exists of: > sb_internal --> &isp->smk_lock --> fs_reclaim > > Possible unsafe locking scenario: > > CPU0 CPU1 > ---- ---- > lock(fs_reclaim); > lock(&isp->smk_lock); > lock(fs_reclaim); > lock(sb_internal); > > *** DEADLOCK *** > > 4 locks held by syz-executor3/11182: > #0: 000000000ed49aa7 (&ids->rwsem){+.+.}, at: ipcget_new ipc/util.c:314 > [inline] > #0: 000000000ed49aa7 (&ids->rwsem){+.+.}, at: ipcget+0x125/0x11d0 > ipc/util.c:614 > #1: 00000000128cdd3b (fs_reclaim){+.+.}, at: > fs_reclaim_acquire.part.98+0x0/0x30 mm/page_alloc.c:463 > #2: 00000000c7d74038 (shrinker_rwsem){++++}, at: shrink_slab_memcg > mm/vmscan.c:578 [inline] > #2: 00000000c7d74038 (shrinker_rwsem){++++}, at: shrink_slab+0x1d1/0x8c0 > mm/vmscan.c:674 > #3: 00000000a3e33771 (&type->s_umount_key#28){++++}, at: > trylock_super+0x22/0x110 fs/super.c:412 > > stack backtrace: > CPU: 1 PID: 11182 Comm: syz-executor3 Not tainted 4.19.0-rc2+ #1 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > Google 01/01/2011 > Call Trace: > __dump_stack lib/dump_stack.c:77 [inline] > dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 > print_circular_bug.isra.34.cold.55+0x1bd/0x27d > kernel/locking/lockdep.c:1222 > check_prev_add kernel/locking/lockdep.c:1862 [inline] > check_prevs_add kernel/locking/lockdep.c:1975 [inline] > validate_chain kernel/locking/lockdep.c:2416 [inline] > __lock_acquire+0x3449/0x5020 kernel/locking/lockdep.c:3412 > lock_acquire+0x1e4/0x4f0 kernel/locking/lockdep.c:3901 > percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] > percpu_down_read include/linux/percpu-rwsem.h:59 [inline] > __sb_start_write+0x1e9/0x300 fs/super.c:1387 > sb_start_intwrite include/linux/fs.h:1613 [inline] > ext4_evict_inode+0x588/0x19b0 fs/ext4/inode.c:250 > evict+0x4ae/0x990 fs/inode.c:558 > iput_final fs/inode.c:1547 [inline] > iput+0x5fa/0xa00 fs/inode.c:1573 > dentry_unlink_inode+0x461/0x5e0 fs/dcache.c:374 > __dentry_kill+0x44c/0x7a0 fs/dcache.c:566 > dentry_kill+0xc9/0x5a0 fs/dcache.c:685 > shrink_dentry_list+0x36c/0x7c0 fs/dcache.c:1090 > prune_dcache_sb+0x12f/0x1c0 fs/dcache.c:1171 > super_cache_scan+0x270/0x480 fs/super.c:102 > do_shrink_slab+0x4ba/0xbb0 mm/vmscan.c:536 > shrink_slab_memcg mm/vmscan.c:601 [inline] > shrink_slab+0x6fe/0x8c0 mm/vmscan.c:674 > shrink_node+0x429/0x16a0 mm/vmscan.c:2735 > shrink_zones mm/vmscan.c:2964 [inline] > do_try_to_free_pages+0x3e7/0x1290 mm/vmscan.c:3026 > try_to_free_pages+0x4b2/0xa60 mm/vmscan.c:3241 > __perform_reclaim mm/page_alloc.c:3769 [inline] > __alloc_pages_direct_reclaim mm/page_alloc.c:3790 [inline] > __alloc_pages_slowpath+0x95a/0x2cb0 mm/page_alloc.c:4191 > __alloc_pages_nodemask+0xa1b/0xd10 mm/page_alloc.c:4390 > __alloc_pages include/linux/gfp.h:473 [inline] > __alloc_pages_node include/linux/gfp.h:486 [inline] > kmem_getpages mm/slab.c:1409 [inline] > cache_grow_begin+0x91/0x710 mm/slab.c:2677 > fallback_alloc+0x203/0x2c0 mm/slab.c:3219 > ____cache_alloc_node+0x1c7/0x1e0 mm/slab.c:3287 > slab_alloc_node mm/slab.c:3327 [inline] > kmem_cache_alloc_node_trace+0xe9/0x720 mm/slab.c:3661 > __do_kmalloc_node mm/slab.c:3681 [inline] > __kmalloc_node+0x33/0x70 mm/slab.c:3689 > kmalloc_node include/linux/slab.h:555 [inline] > kvmalloc_node+0xb9/0xf0 mm/util.c:423 > kvmalloc include/linux/mm.h:577 [inline] > sem_alloc ipc/sem.c:497 [inline] > newary+0x244/0xb50 ipc/sem.c:527 > ipcget_new ipc/util.c:315 [inline] > ipcget+0x15d/0x11d0 ipc/util.c:614 > ksys_semget+0x1c0/0x280 ipc/sem.c:604 > __do_sys_semget ipc/sem.c:609 [inline] > __se_sys_semget ipc/sem.c:607 [inline] > __x64_sys_semget+0x73/0xb0 ipc/sem.c:607 > do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 > entry_SYSCALL_64_after_hwframe+0x49/0xbe > RIP: 0033:0x457099 > Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 > 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff > 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 > RSP: 002b:00007fbecf217c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000040 > RAX: ffffffffffffffda RBX: 00007fbecf2186d4 RCX: 0000000000457099 > RDX: 0000000000000000 RSI: 0000000000004007 RDI: 0000000000000000 > RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 > R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff > R13: 00000000004d4740 R14: 00000000004c8d3e R15: 0000000000000000 > syz-executor4 (11186) used greatest stack depth: 15080 bytes left > syz-executor7 (11171) used greatest stack depth: 14344 bytes left > syz-executor2 (11260) used greatest stack depth: 14296 bytes left > syz-executor0 invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), > nodemask=(null), order=0, oom_score_adj=0 > syz-executor0 cpuset=syz0 mems_allowed=0 > CPU: 0 PID: 11308 Comm: syz-executor0 Not tainted 4.19.0-rc2+ #1 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > Google 01/01/2011 > Call Trace: > __dump_stack lib/dump_stack.c:77 [inline] > dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 > dump_header+0x27b/0xf70 mm/oom_kill.c:441 > oom_kill_process.cold.28+0x10/0x95a mm/oom_kill.c:953 > out_of_memory+0xa88/0x1430 mm/oom_kill.c:1120 > __alloc_pages_may_oom mm/page_alloc.c:3522 [inline] > __alloc_pages_slowpath+0x223f/0x2cb0 mm/page_alloc.c:4235 > __alloc_pages_nodemask+0xa1b/0xd10 mm/page_alloc.c:4390 > alloc_pages_current+0x10c/0x210 mm/mempolicy.c:2093 > alloc_pages include/linux/gfp.h:509 [inline] > __page_cache_alloc+0x398/0x5e0 mm/filemap.c:946 > page_cache_read mm/filemap.c:2385 [inline] > filemap_fault+0x1458/0x2220 mm/filemap.c:2569 > ext4_filemap_fault+0x82/0xad fs/ext4/inode.c:6257 > __do_fault+0xee/0x450 mm/memory.c:3240 > do_read_fault mm/memory.c:3652 [inline] > do_fault mm/memory.c:3752 [inline] > handle_pte_fault mm/memory.c:3983 [inline] > __handle_mm_fault+0x2b4a/0x4350 mm/memory.c:4107 > handle_mm_fault+0x53e/0xc80 mm/memory.c:4144 > __do_page_fault+0x620/0xe50 arch/x86/mm/fault.c:1395 > do_page_fault+0xf6/0x7a4 arch/x86/mm/fault.c:1470 > page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 > RIP: 0033:0x40a056 > Code: Bad RIP value. > RSP: 002b:00007ffd766513d0 EFLAGS: 00010283 > RAX: 0000000000730a08 RBX: 00000000009300a0 RCX: 0000000000000001 > RDX: 0000000000000001 RSI: ffffffffffffffff RDI: 00000000004bce88 > RBP: 00000000009300a0 R08: 0000000000000009 R09: 0000000000000001 > R10: 00007ffd766514d0 R11: 0000000000000000 R12: 0000000000930aa0 > R13: 000000000093014c R14: 000000000001f9ab R15: 000000000001f97e > Mem-Info: > active_anon:4715 inactive_anon:367 isolated_anon:0 > active_file:31 inactive_file:10 isolated_file:0 > unevictable:0 dirty:0 writeback:0 unstable:0 > slab_reclaimable:11145 slab_unreclaimable:1533913 > mapped:177 shmem:377 pagetables:511 bounce:0 > free:24282 free_pcp:0 free_cma:0 > Node 0 active_anon:18860kB inactive_anon:1468kB active_file:116kB > inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):56kB > mapped:708kB dirty:0kB writeback:0kB shmem:1508kB shmem_thp: 0kB > shmem_pmdmapped: 0kB anon_thp: 6144kB writeback_tmp:0kB unstable:0kB > all_unreclaimable? yes > Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB > inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB > writepending:0kB present:15992kB managed:15908kB mlocked:0kB > kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB > free_cma:0kB > lowmem_reserve[]: 0 2842 6348 6348 > Node 0 DMA32 free:44052kB min:30180kB low:37724kB high:45268kB > active_anon:2056kB inactive_anon:0kB active_file:40kB inactive_file:72kB > unevictable:0kB writepending:0kB present:3129292kB managed:2914192kB > mlocked:0kB kernel_stack:32kB pagetables:0kB bounce:0kB free_pcp:0kB > local_pcp:0kB free_cma:0kB > lowmem_reserve[]: 0 0 3506 3506 > Node 0 Normal free:37168kB min:37236kB low:46544kB high:55852kB > active_anon:16804kB inactive_anon:1468kB active_file:176kB inactive_file:0kB > unevictable:0kB writepending:0kB present:4718592kB managed:3590864kB > mlocked:0kB kernel_stack:5216kB pagetables:2044kB bounce:0kB free_pcp:0kB > local_pcp:0kB free_cma:0kB > lowmem_reserve[]: 0 0 0 0 > Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB > (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB > Node 0 DMA32: 5*4kB (ME) 7*8kB (UME) 4*16kB (ME) 4*32kB (ME) 4*64kB (ME) > 2*128kB (UE) 4*256kB (UME) 3*512kB (ME) 4*1024kB (UME) 4*2048kB (UME) > 7*4096kB (M) = 44300kB > Node 0 Normal: 867*4kB (UME) 448*8kB (M) 250*16kB (ME) 106*32kB (ME) 51*64kB > (ME) 46*128kB (ME) 20*256kB (M) 15*512kB (M) 1*1024kB (E) 0*2048kB 0*4096kB > = 37420kB > Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 > hugepages_size=2048kB > 424 total pagecache pages > 0 pages in swap cache > Swap cache stats: add 0, delete 0, find 0/0 > Free swap = 0kB > Total swap = 0kB > 1965969 pages RAM > 0 pages HighMem/MovableOnly > 335728 pages reserved > Unreclaimable slab info: > Name Used Total > pid_2 131KB 156KB > TIPC 12KB 14KB > SCTPv6 18KB 24KB > DCCPv6 21KB 29KB > DCCP 20KB 27KB > bridge_fdb_cache 15KB 19KB > fib6_nodes 103KB 108KB > ip6_dst_cache 113KB 300KB > RAWv6 87KB 91KB > UDPv6 3KB 3KB > TCPv6 29KB 29KB > nf_conntrack 2KB 3KB > sd_ext_cdb 0KB 3KB > scsi_sense_cache 1056KB 1060KB > virtio_scsi_cmd 16KB 16KB > sgpool-128 8KB 8KB > sgpool-64 4KB 6KB > sgpool-32 2KB 7KB > sgpool-16 1KB 3KB > sgpool-8 0KB 3KB > mqueue_inode_cache 12KB 21KB > bio_post_read_ctx 14KB 15KB > bio-2 14KB 15KB > jfs_mp 7KB 7KB > nfs_commit_data 3KB 7KB > nfs_write_data 34KB 37KB > jbd2_inode 2KB 3KB > ext4_system_zone 0KB 3KB > bio-1 1KB 3KB > pid_namespace 2KB 7KB > rpc_buffers 17KB 19KB > rpc_tasks 2KB 3KB > UNIX 12KB 47KB > tcp_bind_bucket 1KB 4KB > ip_fib_trie 14KB 19KB > ip_fib_alias 69KB 71KB > ip_dst_cache 0KB 8KB > RAW 51KB 57KB > UDP 19KB 39KB > TCP 5KB 5KB > hugetlbfs_inode_cache 1KB 7KB > fscache_cookie_jar 0KB 7KB > eventpoll_pwq 51KB 51KB > eventpoll_epi 90KB 90KB > inotify_inode_mark 90KB 90KB > request_queue 159KB 159KB > blkdev_requests 1KB 3KB > blkdev_ioc 23KB 23KB > bio-0 536KB 536KB > biovec-max 1658KB 1658KB > biovec-64 401KB 401KB > biovec-16 127KB 127KB > bio_integrity_payload 1KB 4KB > khugepaged_mm_slot 27KB 27KB > dmaengine-unmap-2 0KB 3KB > skbuff_fclone_cache 1KB 18KB > skbuff_head_cache 673KB 1916KB > configfs_dir_cache 0KB 4KB > file_lock_cache 1KB 7KB > file_lock_ctx 0KB 3KB > fsnotify_mark_connector 51KB 51KB > net_namespace 69KB 69KB > shmem_inode_cache 3043KB 3043KB > task_delay_info 125KB 371KB > taskstats 176KB 176KB > proc_dir_entry 680KB 682KB > pde_opener 0KB 3KB > seq_file 362KB 362KB > sigqueue 126KB 401KB > kernfs_node_cache 11279KB 11284KB > mnt_cache 85KB 108KB > filp 4848KB 8073KB > names_cache 121567KB 121567KB > inode_smack 4817KB 4817KB > key_jar 3KB 7KB > uts_namespace 3KB 7KB > nsproxy 1KB 7KB > vm_area_struct 8830KB 12970KB > mm_struct 1462KB 3614KB > fs_cache 161KB 496KB > files_cache 538KB 1256KB > signal_cache 915KB 2185KB > sighand_cache 395KB 395KB > task_struct 3249KB 3304KB > cred_jar 795KB 2348KB > anon_vma_chain 4757KB 6000KB > anon_vma 237KB 392KB > pid 73KB 228KB > Acpi-Operand 312KB 772KB > Acpi-Namespace 102KB 104KB > numa_policy 0KB 3KB > debug_objects_cache 1125KB 1126KB > trace_event_file 243KB 247KB > ftrace_event_field 348KB 350KB > pool_workqueue 67KB 72KB > task_group 7KB 7KB > page->ptl 1564KB 3300KB > kmalloc-4194304 5713920KB 5713920KB > kmalloc-2097152 2050KB 2050KB > kmalloc-524288 2056KB 2056KB > kmalloc-262144 1290KB 1290KB > kmalloc-131072 650KB 650KB > kmalloc-65536 330KB 330KB > kmalloc-32768 891KB 990KB > kmalloc-16384 412KB 462KB > kmalloc-8192 2004KB 2004KB > kmalloc-4096 18670KB 18708KB > kmalloc-2048 6464KB 7764KB > kmalloc-1024 4572KB 5244KB > kmalloc-512 3885KB 5812KB > kmalloc-256 4762KB 4762KB > kmalloc-128 901KB 901KB > kmalloc-96 1935KB 2112KB > kmalloc-64 1843KB 1896KB > kmalloc-32 1849KB 1956KB > kmalloc-192 2706KB 4076KB > kmem_cache 221KB 221KB > Tasks state (memory values in pages): > [ pid ] uid tgid total_vm rss pgtables_bytes swapents > oom_score_adj name > [ 2347] 0 2347 278 186 32768 0 0 none > [ 2539] 0 2539 5377 170 86016 0 -1000 > udevd > [ 2754] 0 2754 5376 171 81920 0 -1000 > udevd > [ 4381] 0 4381 2493 573 65536 0 0 > dhclient > [ 4544] 0 4544 14267 155 118784 0 0 > rsyslogd > [ 4587] 0 4587 4725 49 86016 0 0 cron > [ 4613] 0 4613 12490 153 139264 0 -1000 sshd > [ 4638] 0 4638 3694 42 69632 0 0 > getty > [ 4639] 0 4639 3694 39 77824 0 0 > getty > [ 4640] 0 4640 3694 41 77824 0 0 > getty > [ 4641] 0 4641 3694 41 77824 0 0 > getty > [ 4642] 0 4642 3694 39 73728 0 0 > getty > [ 4643] 0 4643 3694 40 77824 0 0 > getty > [ 4644] 0 4644 3649 41 73728 0 0 > getty > [ 4645] 0 4645 5310 115 81920 0 -1000 > udevd > [ 4663] 0 4663 17821 198 188416 0 0 sshd > [ 4665] 0 4665 41970 1817 163840 0 0 > syz-execprog > [ 4676] 0 4676 9360 15 40960 0 0 > syz-executor4 > [ 4678] 0 4678 9360 15 40960 0 0 > syz-executor5 > [ 4677] 0 4677 9359 22 49152 0 0 > syz-executor4 > [ 4681] 0 4681 9360 15 40960 0 0 > syz-executor3 > [ 4682] 0 4682 9360 15 40960 0 0 > syz-executor0 > [ 4683] 0 4683 9359 21 49152 0 0 > syz-executor5 > [ 4685] 0 4685 9360 15 40960 0 0 > syz-executor7 > [ 4686] 0 4686 9359 22 49152 0 0 > syz-executor3 > [ 4687] 0 4687 9360 15 40960 0 0 > syz-executor6 > [ 4688] 0 4688 9359 22 49152 0 0 > syz-executor0 > [ 4689] 0 4689 9359 21 49152 0 0 > syz-executor7 > [ 4690] 0 4690 9360 15 40960 0 0 > syz-executor2 > [ 4691] 0 4691 9359 22 49152 0 0 > syz-executor6 > [ 4692] 0 4692 9360 14 40960 0 0 > syz-executor1 > [ 4693] 0 4693 9359 22 49152 0 0 > syz-executor2 > [ 4694] 0 4694 9359 21 53248 0 0 > syz-executor1 > [ 6704] 0 6704 5310 115 81920 0 -1000 > udevd > [ 6710] 0 6710 5310 115 81920 0 -1000 > udevd > [ 6737] 0 6737 5376 171 81920 0 -1000 > udevd > [ 6804] 0 6804 5376 172 81920 0 -1000 > udevd > [ 6819] 0 6819 5376 172 81920 0 -1000 > udevd > [ 7149] 0 7149 5376 172 81920 0 -1000 > udevd > [ 11308] 0 11308 9425 22 61440 0 0 > syz-executor0 > [ 11311] 0 11311 9425 534 61440 0 0 > syz-executor6 > Out of memory: Kill process 4665 (syz-execprog) score 1 or sacrifice child > Killed process 4676 (syz-executor4) total-vm:37440kB, anon-rss:60kB, > file-rss:0kB, shmem-rss:0kB > syz-executor0 (11308) used greatest stack depth: 14040 bytes left > device bridge_slave_1 left promiscuous mode > bridge0: port 2(bridge_slave_1) entered disabled state > device bridge_slave_0 left promiscuous mode > bridge0: port 1(bridge_slave_0) entered disabled state > team0 (unregistering): Port device team_slave_1 removed > IPVS: ftp: loaded support on port[0] = 21 > team0 (unregistering): Port device team_slave_0 removed > bond0 (unregistering): Releasing backup interface bond_slave_1 > bond0 (unregistering): Releasing backup interface bond_slave_0 > bond0 (unregistering): Released all slaves > bridge0: port 1(bridge_slave_0) entered blocking state > bridge0: port 1(bridge_slave_0) entered disabled state > device bridge_slave_0 entered promiscuous mode > bridge0: port 2(bridge_slave_1) entered blocking state > bridge0: port 2(bridge_slave_1) entered disabled state > device bridge_slave_1 entered promiscuous mode > IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready > IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready > bond0: Enslaving bond_slave_0 as an active interface with an up link > bond0: Enslaving bond_slave_1 as an active interface with an up link > IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready > team0: Port device team_slave_0 added > IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready > team0: Port device team_slave_1 added > IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready > IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready > IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready > IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready > IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready > IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready > IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready > IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready > IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready > IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready > IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready > IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready > bridge0: port 2(bridge_slave_1) entered blocking state > bridge0: port 2(bridge_slave_1) entered forwarding state > bridge0: port 1(bridge_slave_0) entered blocking state > bridge0: port 1(bridge_slave_0) entered forwarding state > IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready > 8021q: adding VLAN 0 to HW filter on device bond0 > IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready > IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready > IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready > IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready > IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready > 8021q: adding VLAN 0 to HW filter on device team0 > IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready > IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready > > > --- > This bug 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 bug report. See: > https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with > syzbot. > syzbot can test patches for this bug, for details see: > https://goo.gl/tpsmEJ#testing-patches
