syzbot

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