====================================================== WARNING: possible circular locking dependency detected 4.20.0-rc6+ #371 Not tainted ------------------------------------------------------ syz-executor4/21466 is trying to acquire lock: 000000000683f7d8 (&ovl_i_mutex_key[depth]){+.+.}, at: inode_lock include/linux/fs.h:757 [inline] 000000000683f7d8 (&ovl_i_mutex_key[depth]){+.+.}, at: process_measurement+0xc3e/0x1bf0 security/integrity/ima/ima_main.c:205 but task is already holding lock: 0000000029d0f023 (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds+0x53/0x120 fs/exec.c:1404 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&sig->cred_guard_mutex){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x16f0 kernel/locking/mutex.c:1072 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 lock_trace+0x4c/0xe0 fs/proc/base.c:384 proc_pid_personality+0x1c/0xd0 fs/proc/base.c:2891 syz-executor2 invoked oom-killer: gfp_mask=0x6201ca(GFP_HIGHUSER_MOVABLE|__GFP_WRITE), nodemask=(null), order=0, oom_score_adj=0 proc_single_show+0x101/0x190 fs/proc/base.c:737 traverse+0x344/0x7b0 fs/seq_file.c:113 seq_lseek+0x174/0x420 fs/seq_file.c:325 vfs_llseek fs/read_write.c:300 [inline] ksys_lseek+0x116/0x1b0 fs/read_write.c:313 __do_sys_lseek fs/read_write.c:324 [inline] __se_sys_lseek fs/read_write.c:322 [inline] __x64_sys_lseek+0x73/0xb0 fs/read_write.c:322 syz-executor2 cpuset=syz2 mems_allowed=0 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe CPU: 0 PID: 21469 Comm: syz-executor2 Not tainted 4.20.0-rc6+ #371 -> #2 (&p->lock){+.+.}: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0x166/0x16f0 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 Call Trace: seq_read+0x71/0x1150 fs/seq_file.c:161 proc_reg_read+0x2a3/0x3d0 fs/proc/inode.c:231 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 do_loop_readv_writev fs/read_write.c:700 [inline] do_iter_read+0x4a3/0x650 fs/read_write.c:924 vfs_readv+0x175/0x1c0 fs/read_write.c:986 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x539/0xb20 fs/splice.c:417 do_splice_to+0x12e/0x190 fs/splice.c:880 splice_direct_to_actor+0x31c/0x9d0 fs/splice.c:957 do_splice_direct+0x2d4/0x420 fs/splice.c:1066 do_sendfile+0x62a/0xe20 fs/read_write.c:1439 __do_sys_sendfile64 fs/read_write.c:1500 [inline] __se_sys_sendfile64 fs/read_write.c:1486 [inline] __x64_sys_sendfile64+0x1fd/0x250 fs/read_write.c:1486 dump_header+0x27b/0xf72 mm/oom_kill.c:441 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (sb_writers#3){.+.+}: 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+0x214/0x370 fs/super.c:1387 file_start_write include/linux/fs.h:2810 [inline] ovl_write_iter+0x9a7/0xd10 fs/overlayfs/file.c:243 call_write_iter include/linux/fs.h:1857 [inline] do_iter_readv_writev+0x8b0/0xa80 fs/read_write.c:680 do_iter_write+0x185/0x5f0 fs/read_write.c:959 vfs_writev+0x1f1/0x360 fs/read_write.c:1004 do_pwritev+0x1cc/0x280 fs/read_write.c:1093 __do_sys_pwritev fs/read_write.c:1140 [inline] __se_sys_pwritev fs/read_write.c:1135 [inline] __x64_sys_pwritev+0x9a/0xf0 fs/read_write.c:1135 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&ovl_i_mutex_key[depth]){+.+.}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 down_write+0x8a/0x130 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:757 [inline] process_measurement+0xc3e/0x1bf0 security/integrity/ima/ima_main.c:205 ima_file_check+0xe5/0x130 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x134a/0x5150 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_open_execat+0x221/0x8e0 fs/exec.c:853 open_exec+0x53/0x70 fs/exec.c:885 load_misc_binary+0xddd/0x145b fs/binfmt_misc.c:212 search_binary_handler+0x17d/0x570 fs/exec.c:1653 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.33+0x1661/0x25d0 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execveat fs/exec.c:1894 [inline] __do_sys_execveat fs/exec.c:1975 [inline] __se_sys_execveat fs/exec.c:1967 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:1967 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: &ovl_i_mutex_key[depth] --> &p->lock --> &sig->cred_guard_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sig->cred_guard_mutex); lock(&p->lock); lock(&sig->cred_guard_mutex); lock(&ovl_i_mutex_key[depth]); *** DEADLOCK *** 1 lock held by syz-executor4/21466: #0: 0000000029d0f023 (&sig->cred_guard_mutex){+.+.}, at: prepare_bprm_creds+0x53/0x120 fs/exec.c:1404 stack backtrace: oom_kill_process.cold.27+0x10/0x903 mm/oom_kill.c:953 out_of_memory+0xa84/0x1430 mm/oom_kill.c:1120 mem_cgroup_out_of_memory+0x15e/0x210 mm/memcontrol.c:1386 mem_cgroup_oom mm/memcontrol.c:1703 [inline] try_charge+0xda9/0x1700 mm/memcontrol.c:2260 mem_cgroup_try_charge+0x627/0xe20 mm/memcontrol.c:5890 __add_to_page_cache_locked+0x793/0x1840 mm/filemap.c:812 add_to_page_cache_lru+0x355/0xdb0 mm/filemap.c:886 pagecache_get_page+0x53a/0xf00 mm/filemap.c:1565 grab_cache_page_write_begin+0x6f/0xa0 mm/filemap.c:3090 ext4_da_write_begin+0x39f/0x12c0 fs/ext4/inode.c:3077 generic_perform_write+0x3aa/0x6a0 mm/filemap.c:3140 __generic_file_write_iter+0x4b9/0x630 mm/filemap.c:3233 ext4_file_write_iter+0x390/0x1420 fs/ext4/file.c:266 call_write_iter include/linux/fs.h:1857 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x6b8/0x9f0 fs/read_write.c:487 vfs_write+0x1fc/0x560 fs/read_write.c:549 ksys_write+0x101/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f713b631c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457679 RDX: 00000000175d900f RSI: 0000000020000200 RDI: 0000000000000005 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f713b6326d4 R13: 00000000004c6114 R14: 00000000004dacc0 R15: 00000000ffffffff CPU: 1 PID: 21466 Comm: syz-executor4 Not tainted 4.20.0-rc6+ #371 Task in /syz2 killed as a result of limit of /syz2 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+0x244/0x39d lib/dump_stack.c:113 memory: usage 307200kB, limit 307200kB, failcnt 590 print_circular_bug.isra.35.cold.54+0x1bd/0x27d kernel/locking/lockdep.c:1221 memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2347 [inline] __lock_acquire+0x3399/0x4c20 kernel/locking/lockdep.c:3341 kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 Memory cgroup stats for /syz2: cache:1624KB rss:273784KB rss_huge:247808KB shmem:48KB mapped_file:0KB dirty:1584KB writeback:0KB swap:0KB inactive_anon:30724KB active_anon:120264KB inactive_file:848KB active_file:844KB unevictable:122888KB Memory cgroup out of memory: Kill process 10772 (syz-executor2) score 170 or sacrifice child Killed process 10772 (syz-executor2) total-vm:70720kB, anon-rss:18440kB, file-rss:33820kB, shmem-rss:0kB lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3844 down_write+0x8a/0x130 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:757 [inline] process_measurement+0xc3e/0x1bf0 security/integrity/ima/ima_main.c:205 ima_file_check+0xe5/0x130 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3422 [inline] path_openat+0x134a/0x5150 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_open_execat+0x221/0x8e0 fs/exec.c:853 open_exec+0x53/0x70 fs/exec.c:885 load_misc_binary+0xddd/0x145b fs/binfmt_misc.c:212 search_binary_handler+0x17d/0x570 fs/exec.c:1653 exec_binprm fs/exec.c:1695 [inline] __do_execve_file.isra.33+0x1661/0x25d0 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execveat fs/exec.c:1894 [inline] __do_sys_execveat fs/exec.c:1975 [inline] __se_sys_execveat fs/exec.c:1967 [inline] __x64_sys_execveat+0xed/0x130 fs/exec.c:1967 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: fd b3 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 b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f73cea58c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73cea596d4 R13: 00000000004bdddf R14: 00000000004cd940 R15: 00000000ffffffff oom_reaper: reaped process 10772 (syz-executor2), now anon-rss:0kB, file-rss:32768kB, shmem-rss:0kB kobject: 'ip6tnl0' (00000000d13b2716): kobject_uevent_env kobject: 'ip6tnl0' (00000000d13b2716): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000000474f0e): kobject_cleanup, parent 00000000af74bf39 kobject: 'rx-0' (0000000000474f0e): auto cleanup 'remove' event kobject: 'rx-0' (0000000000474f0e): kobject_uevent_env kobject: 'rx-0' (0000000000474f0e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000000474f0e): auto cleanup kobject_del kobject: 'rx-0' (0000000000474f0e): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000068a8a4e2): kobject_cleanup, parent 00000000af74bf39 kobject: 'tx-0' (0000000068a8a4e2): auto cleanup 'remove' event kobject: 'tx-0' (0000000068a8a4e2): kobject_uevent_env kobject: 'tx-0' (0000000068a8a4e2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000068a8a4e2): auto cleanup kobject_del kobject: 'tx-0' (0000000068a8a4e2): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000af74bf39): kobject_cleanup, parent (null) kobject: 'queues' (00000000af74bf39): calling ktype release kobject: 'queues' (00000000af74bf39): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000edc0df46): kobject_uevent_env kobject: 'ip6tnl0' (00000000edc0df46): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (0000000088d79c4b): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (0000000088d79c4b): auto cleanup 'remove' event kobject: 'loop3' (000000005bbf7ea9): kobject_uevent_env kobject: 'loop3' (000000005bbf7ea9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ip6tnl0' (0000000088d79c4b): kobject_uevent_env kobject: 'ip6tnl0' (0000000088d79c4b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (0000000088d79c4b): calling ktype release kobject: 'ip6tnl0': free name kobject: 'ip6tnl0' (00000000b0a573a0): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000b0a573a0): auto cleanup 'remove' event kobject: 'ip6tnl0' (00000000b0a573a0): kobject_uevent_env kobject: 'ip6tnl0' (00000000b0a573a0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000b0a573a0): calling ktype release kobject: 'ip6tnl0': free name kobject: 'ip6tnl0' (00000000d13b2716): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000d13b2716): auto cleanup 'remove' event kobject: 'ip6tnl0' (00000000d13b2716): kobject_uevent_env kobject: 'ip6tnl0' (00000000d13b2716): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000d13b2716): calling ktype release audit: type=1804 audit(2000000579.724:524): pid=21540 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor5" name="/root/syzkaller-testdir191057623/syzkaller.FYSqgJ/1601/file0/file0" dev="sda1" ino=16728 res=1 kobject: 'ip6tnl0': free name kobject: 'ip6tnl0' (00000000edc0df46): kobject_cleanup, parent (null) audit: type=1804 audit(2000000579.764:525): pid=21540 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor5" name="/root/syzkaller-testdir191057623/syzkaller.FYSqgJ/1601/file0/file0" dev="sda1" ino=16728 res=1 kobject: 'ip6tnl0' (00000000edc0df46): auto cleanup 'remove' event kobject: 'ip6tnl0' (00000000edc0df46): kobject_uevent_env kobject: 'ip6tnl0' (00000000edc0df46): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000005bbf7ea9): kobject_uevent_env kobject: 'ip6tnl0' (00000000edc0df46): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (00000000f4eb1b70): kobject_cleanup, parent 000000001ebfadb3 kobject: 'rx-0' (00000000f4eb1b70): auto cleanup 'remove' event kobject: 'rx-0' (00000000f4eb1b70): kobject_uevent_env kobject: 'rx-0' (00000000f4eb1b70): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000005bbf7ea9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (00000000f4eb1b70): auto cleanup kobject_del kobject: 'rx-0' (00000000f4eb1b70): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000c91c2eb0): kobject_cleanup, parent 000000001ebfadb3 kobject: 'tx-0' (00000000c91c2eb0): auto cleanup 'remove' event kobject: 'tx-0' (00000000c91c2eb0): kobject_uevent_env kobject: 'tx-0' (00000000c91c2eb0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000c91c2eb0): auto cleanup kobject_del kobject: 'tx-0' (00000000c91c2eb0): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000001ebfadb3): kobject_cleanup, parent (null) kobject: 'queues' (000000001ebfadb3): calling ktype release kobject: 'queues' (000000001ebfadb3): kset_release kobject: 'queues': free name kobject: 'sit0' (000000002f8a171f): kobject_uevent_env kobject: 'sit0' (000000002f8a171f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000acc15700): kobject_cleanup, parent 00000000f0a4c185 kobject: 'rx-0' (00000000acc15700): auto cleanup 'remove' event kobject: 'rx-0' (00000000acc15700): kobject_uevent_env kobject: 'rx-0' (00000000acc15700): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000acc15700): auto cleanup kobject_del kobject: 'rx-0' (00000000acc15700): calling ktype release kobject: 'loop3' (000000005bbf7ea9): kobject_uevent_env kobject: 'rx-0': free name kobject: 'loop3' (000000005bbf7ea9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (0000000005f0a72b): kobject_cleanup, parent 00000000f0a4c185 kobject: 'tx-0' (0000000005f0a72b): auto cleanup 'remove' event kobject: 'tx-0' (0000000005f0a72b): kobject_uevent_env kobject: 'tx-0' (0000000005f0a72b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000005f0a72b): auto cleanup kobject_del kobject: 'tx-0' (0000000005f0a72b): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f0a4c185): kobject_cleanup, parent (null) kobject: 'queues' (00000000f0a4c185): calling ktype release kobject: 'queues' (00000000f0a4c185): kset_release kobject: 'queues': free name kobject: 'sit0' (00000000a2f261be): kobject_uevent_env kobject: 'sit0' (00000000a2f261be): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000096bc0f3): kobject_cleanup, parent 00000000ff43936b kobject: 'rx-0' (00000000096bc0f3): auto cleanup 'remove' event kobject: 'rx-0' (00000000096bc0f3): kobject_uevent_env kobject: 'rx-0' (00000000096bc0f3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000096bc0f3): auto cleanup kobject_del kobject: 'rx-0' (00000000096bc0f3): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004be53c58): kobject_cleanup, parent 00000000ff43936b kobject: 'tx-0' (000000004be53c58): auto cleanup 'remove' event kobject: 'tx-0' (000000004be53c58): kobject_uevent_env kobject: 'tx-0' (000000004be53c58): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000004be53c58): auto cleanup kobject_del kobject: 'loop3' (000000005bbf7ea9): kobject_uevent_env kobject: 'tx-0' (000000004be53c58): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ff43936b): kobject_cleanup, parent (null) kobject: 'queues' (00000000ff43936b): calling ktype release kobject: 'queues' (00000000ff43936b): kset_release kobject: 'queues': free name kobject: 'sit0' (000000006aecdaaf): kobject_uevent_env kobject: 'sit0' (000000006aecdaaf): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000005bbf7ea9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000007c71dd0e): kobject_cleanup, parent 0000000075e8abaf kobject: 'rx-0' (000000007c71dd0e): auto cleanup 'remove' event kobject: 'rx-0' (000000007c71dd0e): kobject_uevent_env kobject: 'rx-0' (000000007c71dd0e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000007c71dd0e): auto cleanup kobject_del kobject: 'rx-0' (000000007c71dd0e): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000005a390815): kobject_cleanup, parent 0000000075e8abaf kobject: 'tx-0' (000000005a390815): auto cleanup 'remove' event kobject: 'tx-0' (000000005a390815): kobject_uevent_env kobject: 'tx-0' (000000005a390815): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000005a390815): auto cleanup kobject_del kobject: 'tx-0' (000000005a390815): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000075e8abaf): kobject_cleanup, parent (null) kobject: 'queues' (0000000075e8abaf): calling ktype release kobject: 'queues' (0000000075e8abaf): kset_release kobject: 'queues': free name kobject: 'sit0' (000000005baf3d08): kobject_uevent_env kobject: 'sit0' (000000005baf3d08): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (000000002f8a171f): kobject_cleanup, parent (null) kobject: 'sit0' (000000002f8a171f): auto cleanup 'remove' event kobject: 'sit0' (000000002f8a171f): kobject_uevent_env kobject: 'sit0' (000000002f8a171f): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (000000002f8a171f): calling ktype release kobject: 'sit0': free name kobject: 'sit0' (00000000a2f261be): kobject_cleanup, parent (null) kobject: 'sit0' (00000000a2f261be): auto cleanup 'remove' event kobject: 'sit0' (00000000a2f261be): kobject_uevent_env kobject: 'sit0' (00000000a2f261be): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (00000000a2f261be): calling ktype release kobject: 'sit0': free name kobject: 'sit0' (000000006aecdaaf): kobject_cleanup, parent (null) kobject: 'sit0' (000000006aecdaaf): auto cleanup 'remove' event kobject: 'sit0' (000000006aecdaaf): kobject_uevent_env kobject: 'sit0' (000000006aecdaaf): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (000000006aecdaaf): calling ktype release kobject: 'loop3' (000000005bbf7ea9): kobject_uevent_env kobject: 'loop3' (000000005bbf7ea9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'sit0': free name kobject: 'sit0' (000000005baf3d08): kobject_cleanup, parent (null) kobject: 'sit0' (000000005baf3d08): auto cleanup 'remove' event kobject: 'sit0' (000000005baf3d08): kobject_uevent_env kobject: 'sit0' (000000005baf3d08): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'sit0' (000000005baf3d08): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (000000002115a4a8): kobject_cleanup, parent 00000000b89ccaff kobject: 'rx-0' (000000002115a4a8): auto cleanup 'remove' event kobject: 'rx-0' (000000002115a4a8): kobject_uevent_env kobject: 'rx-0' (000000002115a4a8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000002115a4a8): auto cleanup kobject_del kobject: 'rx-0' (000000002115a4a8): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000369b8571): kobject_cleanup, parent 00000000b89ccaff kobject: 'tx-0' (00000000369b8571): auto cleanup 'remove' event kobject: 'tx-0' (00000000369b8571): kobject_uevent_env kobject: 'tx-0' (00000000369b8571): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000369b8571): auto cleanup kobject_del kobject: 'tx-0' (00000000369b8571): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000b89ccaff): kobject_cleanup, parent (null) kobject: 'queues' (00000000b89ccaff): calling ktype release kobject: 'queues' (00000000b89ccaff): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000bc0ecb64): kobject_uevent_env kobject: 'ip6_vti0' (00000000bc0ecb64): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000003e22a03c): kobject_cleanup, parent 000000007cff8547 kobject: 'rx-0' (000000003e22a03c): auto cleanup 'remove' event kobject: 'loop3' (000000005bbf7ea9): kobject_uevent_env kobject: 'loop3' (000000005bbf7ea9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000003e22a03c): kobject_uevent_env kobject: 'rx-0' (000000003e22a03c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000003e22a03c): auto cleanup kobject_del kobject: 'rx-0' (000000003e22a03c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000001241c378): kobject_cleanup, parent 000000007cff8547 kobject: 'tx-0' (000000001241c378): auto cleanup 'remove' event kobject: 'tx-0' (000000001241c378): kobject_uevent_env kobject: 'tx-0' (000000001241c378): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000001241c378): auto cleanup kobject_del kobject: 'tx-0' (000000001241c378): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000007cff8547): kobject_cleanup, parent (null) kobject: 'queues' (000000007cff8547): calling ktype release kobject: 'queues' (000000007cff8547): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000d7fc06bf): kobject_uevent_env kobject: 'ip6_vti0' (00000000d7fc06bf): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000bcc7bcab): kobject_cleanup, parent 000000001756d9f2 kobject: 'rx-0' (00000000bcc7bcab): auto cleanup 'remove' event kobject: 'rx-0' (00000000bcc7bcab): kobject_uevent_env kobject: 'rx-0' (00000000bcc7bcab): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000bcc7bcab): auto cleanup kobject_del kobject: 'rx-0' (00000000bcc7bcab): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a7fb3233): kobject_cleanup, parent 000000001756d9f2 kobject: 'tx-0' (00000000a7fb3233): auto cleanup 'remove' event kobject: 'tx-0' (00000000a7fb3233): kobject_uevent_env kobject: 'tx-0' (00000000a7fb3233): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000a7fb3233): auto cleanup kobject_del kobject: 'tx-0' (00000000a7fb3233): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000001756d9f2): kobject_cleanup, parent (null) kobject: 'queues' (000000001756d9f2): calling ktype release kobject: 'queues' (000000001756d9f2): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000033bcaa7): kobject_uevent_env kobject: 'ip6_vti0' (00000000033bcaa7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000a2a5c68b): kobject_cleanup, parent 000000004fed8fef kobject: 'rx-0' (00000000a2a5c68b): auto cleanup 'remove' event kobject: 'rx-0' (00000000a2a5c68b): kobject_uevent_env kobject: 'rx-0' (00000000a2a5c68b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000a2a5c68b): auto cleanup kobject_del kobject: 'rx-0' (00000000a2a5c68b): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000a9201f8b): kobject_cleanup, parent 000000004fed8fef kobject: 'tx-0' (00000000a9201f8b): auto cleanup 'remove' event kobject: 'tx-0' (00000000a9201f8b): kobject_uevent_env kobject: 'tx-0' (00000000a9201f8b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000a9201f8b): auto cleanup kobject_del kobject: 'tx-0' (00000000a9201f8b): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000004fed8fef): kobject_cleanup, parent (null) kobject: 'queues' (000000004fed8fef): calling ktype release kobject: 'queues' (000000004fed8fef): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000bff42b8e): kobject_uevent_env kobject: 'ip6_vti0' (00000000bff42b8e): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (00000000bc0ecb64): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (00000000bc0ecb64): auto cleanup 'remove' event kobject: 'ip6_vti0' (00000000bc0ecb64): kobject_uevent_env kobject: 'ip6_vti0' (00000000bc0ecb64): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (00000000bc0ecb64): calling ktype release kobject: 'ip6_vti0': free name kobject: 'ip6_vti0' (00000000d7fc06bf): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (00000000d7fc06bf): auto cleanup 'remove' event device bridge_slave_1 left promiscuous mode kobject: 'ip6_vti0' (00000000d7fc06bf): kobject_uevent_env bridge0: port 2(bridge_slave_1) entered disabled state kobject: 'ip6_vti0' (00000000d7fc06bf): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6_vti0' (00000000d7fc06bf): calling ktype release kobject: 'ip6_vti0': free name kobject: 'brport' (0000000096fcb1b5): kobject_uevent_env kobject: 'brport' (0000000096fcb1b5): kobject_uevent_env: filter function caused the event to drop! device bridge_slave_0 left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state kobject: 'loop3' (000000005bbf7ea9): kobject_uevent_env kobject: 'loop3' (000000005bbf7ea9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'brport' (0000000096fcb1b5): kobject_cleanup, parent (null) kobject: 'brport' (0000000096fcb1b5): calling ktype release kobject: 'brport': free name kobject: 'brport' (00000000e89409b5): kobject_uevent_env kobject: 'brport' (00000000e89409b5): kobject_uevent_env: filter function caused the event to drop! kobject: 'brif' (00000000ac3a8ee2): kobject_cleanup, parent 00000000fef82eeb kobject: 'brif' (00000000ac3a8ee2): auto cleanup kobject_del kobject: 'brif' (00000000ac3a8ee2): calling ktype release kobject: (00000000ac3a8ee2): dynamic_kobj_release kobject: 'brport' (00000000e89409b5): kobject_cleanup, parent (null) kobject: 'brport' (00000000e89409b5): calling ktype release kobject: 'brport': free name kobject: 'brif': free name kobject: 'rx-0' (00000000483c9a82): kobject_cleanup, parent 00000000922e5b0e kobject: 'rx-0' (00000000483c9a82): auto cleanup 'remove' event kobject: 'rx-0' (00000000483c9a82): kobject_uevent_env kobject: 'rx-0' (00000000483c9a82): fill_kobj_path: path = '/devices/virtual/net/bridge0/queues/rx-0' kobject: 'rx-0' (00000000483c9a82): auto cleanup kobject_del kobject: 'rx-0' (00000000483c9a82): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000086eb1a99): kobject_cleanup, parent 00000000922e5b0e kobject: 'tx-0' (0000000086eb1a99): auto cleanup 'remove' event kobject: 'tx-0' (0000000086eb1a99): kobject_uevent_env kobject: 'tx-0' (0000000086eb1a99): fill_kobj_path: path = '/devices/virtual/net/bridge0/queues/tx-0' kobject: 'tx-0' (0000000086eb1a99): auto cleanup kobject_del kobject: 'tx-0' (0000000086eb1a99): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000922e5b0e): kobject_cleanup, parent (null) kobject: 'queues' (00000000922e5b0e): calling ktype release kobject: 'queues' (00000000922e5b0e): kset_release kobject: 'queues': free name kobject: 'bridge0' (00000000fef82eeb): kobject_uevent_env kobject: 'bridge0' (00000000fef82eeb): fill_kobj_path: path = '/devices/virtual/net/bridge0' kobject: 'ip6_vti0' (00000000033bcaa7): kobject_cleanup, parent (null) __nla_parse: 7 callbacks suppressed netlink: 4 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'ip6_vti0' (00000000033bcaa7): auto cleanup 'remove' event netlink: 4 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'bridge0' (00000000fef82eeb): kobject_cleanup, parent (null) kobject: 'bridge0' (00000000fef82eeb): calling ktype release kobject: 'loop3' (000000005bbf7ea9): kobject_uevent_env kobject: 'ip6_vti0' (00000000033bcaa7): kobject_uevent_env kobject: 'bridge0': free name kobject: 'loop3' (000000005bbf7ea9): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ip6_vti0' (00000000033bcaa7): kobject_uevent_env: uevent_suppress caused the event to drop!