[30390] 0 30390 18178 8973 26 4 0 0 syz-executor.2 [30434] 0 30434 18178 8973 26 4 0 0 syz-executor.2 [30586] 0 30586 18178 8973 26 4 0 0 syz-executor.2 INFO: task udevd:18474 blocked for more than 140 seconds. Not tainted 4.14.129+ #11 [30809] 0 30809 18178 8972 25 4 0 0 syz-executor.2 [30835] 0 30835 18178 8972 25 4 0 0 syz-executor.2 [31038] 0 31038 18178 8966 25 4 0 0 syz-executor.2 [31534] 0 31534 18145 8745 25 3 0 0 syz-executor.1 [31536] 0 31536 18178 8973 26 4 0 0 syz-executor.2 [31555] 0 31555 18211 8748 27 3 0 0 syz-executor.1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [31700] 0 31700 18178 8972 25 4 0 0 syz-executor.2 [31754] 0 31754 5629 474 15 3 0 -1000 udevd udevd D28848 18474 190 0x00000000 Call Trace: [31814] 0 31814 18178 8972 25 4 0 0 syz-executor.2 [31834] 0 31834 18211 8975 26 4 0 0 syz-executor.2 [31868] 0 31868 18145 8972 26 4 0 0 syz-executor.0 schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 [31949] 0 31949 18178 8972 25 4 0 0 syz-executor.2 [31999] 0 31999 18211 8975 26 4 0 0 syz-executor.0 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [32001] 0 32001 18145 8993 26 4 0 0 syz-executor.1 [32009] 0 32009 18178 8971 25 4 0 0 syz-executor.2 [32132] 0 32132 18145 8987 26 4 0 0 syz-executor.1 [32167] 0 32167 18178 8975 26 4 0 0 syz-executor.0 [32307] 0 32307 18178 8973 26 4 0 0 syz-executor.2 kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 do_inode_permission fs/namei.c:386 [inline] __inode_permission2+0x22c/0x2c0 fs/namei.c:428 inode_permission2+0x2d/0x100 fs/namei.c:485 may_lookup fs/namei.c:1731 [inline] link_path_walk+0x894/0x1110 fs/namei.c:2111 [32324] 0 32324 18211 8751 25 3 0 0 syz-executor.0 [32332] 0 32332 18178 8973 26 4 0 0 syz-executor.2 path_openat+0x178/0x2b70 fs/namei.c:3596 [32343] 0 32343 18211 8751 25 3 0 0 syz-executor.0 [32388] 0 32388 18178 8972 25 4 0 0 syz-executor.2 do_filp_open+0x1a1/0x280 fs/namei.c:3631 [32709] 0 32709 18211 8975 26 4 0 0 syz-executor.2 [32719] 0 32719 18145 8736 24 3 0 0 syz-executor.1 [32740] 0 32740 18178 8746 24 3 0 0 syz-executor.1 [ 433] 0 433 18178 8975 26 4 0 0 syz-executor.0 do_sys_open+0x2ca/0x590 fs/open.c:1077 [ 467] 0 467 18178 8973 26 4 0 0 syz-executor.2 [ 474] 0 474 18178 8976 27 4 0 0 syz-executor.0 [ 555] 0 555 18211 8997 27 4 0 0 syz-executor.1 [ 701] 0 701 18178 8973 26 4 0 0 syz-executor.2 [ 715] 0 715 18277 8995 27 4 0 0 syz-executor.1 do_syscall_64+0x19b/0x510 arch/x86/entry/common.c:292 INFO: task udevd:18477 blocked for more than 140 seconds. Not tainted 4.14.129+ #11 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. udevd D27008 18477 190 0x00000000 Call Trace: [ 734] 0 734 18277 8995 27 4 0 0 syz-executor.1 [ 743] 0 743 18178 8973 26 4 0 0 syz-executor.2 [ 849] 0 849 18178 8973 26 4 0 0 syz-executor.2 schedule+0x92/0x1c0 kernel/sched/core.c:3498 [ 935] 0 935 18211 8997 27 4 0 0 syz-executor.1 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [ 956] 0 956 18178 8972 25 4 0 0 syz-executor.2 [ 976] 0 976 18178 8973 26 4 0 0 syz-executor.2 [ 1004] 0 1004 18178 8972 25 4 0 0 syz-executor.2 [ 1083] 0 1083 18178 8971 26 4 0 0 syz-executor.2 [ 1084] 0 1084 18178 8992 26 4 0 0 syz-executor.1 kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 do_inode_permission fs/namei.c:386 [inline] __inode_permission2+0x22c/0x2c0 fs/namei.c:428 inode_permission2+0x2d/0x100 fs/namei.c:485 [ 1179] 0 1179 18178 8990 27 4 0 0 syz-executor.1 may_lookup fs/namei.c:1731 [inline] link_path_walk+0x894/0x1110 fs/namei.c:2111 [ 1279] 0 1279 18201 8999 28 4 0 0 syz-executor.1 path_lookupat.isra.0+0xde/0x7e0 fs/namei.c:2356 [ 1348] 0 1348 18178 8973 26 4 0 0 syz-executor.2 [ 1400] 0 1400 18145 8971 26 4 0 0 syz-executor.0 filename_lookup+0x1a1/0x3b0 fs/namei.c:2391 [ 1456] 0 1456 18178 8973 26 4 0 0 syz-executor.2 [ 1554] 0 1554 18178 8973 26 4 0 0 syz-executor.2 [ 1783] 0 1783 18277 9005 34 4 0 0 syz-executor.1 SYSC_readlinkat fs/stat.c:394 [inline] SyS_readlinkat+0xbe/0x2b0 fs/stat.c:382 [ 1891] 0 1891 18178 8973 26 4 0 0 syz-executor.2 [ 1972] 0 1972 18178 8973 26 4 0 0 syz-executor.2 [ 2180] 0 2180 18178 8973 26 4 0 0 syz-executor.2 [ 2214] 0 2214 18178 8973 26 4 0 0 syz-executor.2 [ 2224] 0 2224 18178 8972 25 4 0 0 syz-executor.2 [ 2236] 0 2236 18178 8973 26 4 0 0 syz-executor.2 [ 2284] 0 2284 18211 8975 26 4 0 0 syz-executor.2 [ 2297] 0 2297 18244 8999 27 4 0 0 syz-executor.1 [ 2469] 0 2469 18178 8973 26 4 0 0 syz-executor.2 do_syscall_64+0x19b/0x510 arch/x86/entry/common.c:292 INFO: task udevd:18478 blocked for more than 140 seconds. Not tainted 4.14.129+ #11 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2586] 0 2586 18145 8972 26 4 0 0 syz-executor.0 udevd D27392 18478 190 0x00000000 Call Trace: [ 2592] 0 2592 18178 8973 26 4 0 0 syz-executor.2 [ 2597] 0 2597 18145 8972 26 4 0 0 syz-executor.0 [ 2609] 0 2609 18145 8972 26 4 0 0 syz-executor.0 [ 2643] 0 2643 18178 8972 25 4 0 0 syz-executor.2 schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 [ 2657] 0 2657 18178 8970 26 4 0 0 syz-executor.2 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [ 2768] 0 2768 18178 8992 27 4 0 0 syz-executor.5 kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 do_inode_permission fs/namei.c:386 [inline] __inode_permission2+0x22c/0x2c0 fs/namei.c:428 [ 2802] 0 2802 18178 8749 26 3 0 0 syz-executor.5 [ 2849] 0 2849 18178 8973 26 4 0 0 syz-executor.2 [ 3025] 0 3025 18211 9788 28 3 0 0 syz-executor.1 inode_permission2+0x2d/0x100 fs/namei.c:485 may_lookup fs/namei.c:1731 [inline] link_path_walk+0x894/0x1110 fs/namei.c:2111 [ 3040] 0 3040 18277 12848 33 3 0 0 syz-executor.1 [ 3050] 0 3050 18145 8736 24 3 0 0 syz-executor.1 [ 3120] 0 3120 18211 8978 26 4 0 0 syz-executor.0 path_lookupat.isra.0+0xde/0x7e0 fs/namei.c:2356 [ 3131] 0 3131 18178 8972 25 4 0 0 syz-executor.2 [ 3147] 0 3147 18244 8999 27 4 0 0 syz-executor.1 [ 3211] 0 3211 18244 8999 27 4 0 0 syz-executor.1 [ 3242] 0 3242 18178 8997 26 4 0 0 syz-executor.1 filename_lookup+0x1a1/0x3b0 fs/namei.c:2391 SYSC_readlinkat fs/stat.c:394 [inline] SyS_readlinkat+0xbe/0x2b0 fs/stat.c:382 [ 3351] 0 3351 18178 8973 26 4 0 0 syz-executor.2 do_syscall_64+0x19b/0x510 arch/x86/entry/common.c:292 [ 3441] 0 3441 18145 8971 26 4 0 0 syz-executor.0 [ 3454] 0 3454 18168 8996 27 4 0 0 syz-executor.1 INFO: task udevd:18482 blocked for more than 140 seconds. Not tainted 4.14.129+ #11 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. udevd D27008 18482 190 0x00000000 [ 3596] 0 3596 18178 8973 26 4 0 0 syz-executor.2 [ 3612] 0 3612 18145 8985 25 4 0 0 syz-executor.1 [ 3670] 0 3670 18145 8988 26 4 0 0 syz-executor.1 Call Trace: [ 3707] 0 3707 18178 8973 26 4 0 0 syz-executor.2 [ 3753] 0 3753 18178 8992 26 4 0 0 syz-executor.1 schedule+0x92/0x1c0 kernel/sched/core.c:3498 [ 3809] 0 3809 18178 8972 25 4 0 0 syz-executor.2 [ 3969] 0 3969 18145 8986 26 4 0 0 syz-executor.1 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 [ 3979] 0 3979 18178 8973 26 4 0 0 syz-executor.2 [ 3996] 0 3996 18244 8977 26 4 0 0 syz-executor.2 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [ 4026] 0 4026 18113 225 23 3 0 0 syz-executor.4 [ 4027] 0 4027 18112 8955 24 4 0 0 syz-executor.4 [ 4146] 0 4146 18178 8973 26 4 0 0 syz-executor.0 [ 4345] 0 4345 18178 8973 26 4 0 0 syz-executor.2 [ 4352] 0 4352 18178 8972 25 4 0 0 syz-executor.2 kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 do_inode_permission fs/namei.c:386 [inline] __inode_permission2+0x22c/0x2c0 fs/namei.c:428 inode_permission2+0x2d/0x100 fs/namei.c:485 may_lookup fs/namei.c:1731 [inline] link_path_walk+0x894/0x1110 fs/namei.c:2111 path_lookupat.isra.0+0xde/0x7e0 fs/namei.c:2356 filename_lookup+0x1a1/0x3b0 fs/namei.c:2391 SYSC_readlinkat fs/stat.c:394 [inline] SyS_readlinkat+0xbe/0x2b0 fs/stat.c:382 do_syscall_64+0x19b/0x510 arch/x86/entry/common.c:292 INFO: task blkid:18486 blocked for more than 140 seconds. Not tainted 4.14.129+ #11 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. blkid D [ 4359] 0 4359 18176 13261 32 3 0 0 syz-executor.1 26496 18486 18464 0x00000000 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [ 4369] 0 4369 18209 13293 33 3 0 0 syz-executor.1 [ 4392] 0 4392 18178 8994 26 4 0 0 syz-executor.1 [ 4409] 0 4409 18178 8973 26 4 0 0 syz-executor.2 [ 4448] 0 4448 18178 8972 25 4 0 0 syz-executor.2 [ 4473] 0 4473 18178 8973 26 4 0 0 syz-executor.2 kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 do_inode_permission fs/namei.c:386 [inline] __inode_permission2+0x22c/0x2c0 fs/namei.c:428 inode_permission2+0x2d/0x100 fs/namei.c:485 [ 4475] 0 4475 18211 8977 27 4 0 0 syz-executor.0 may_lookup fs/namei.c:1731 [inline] link_path_walk+0x894/0x1110 fs/namei.c:2111 [ 4576] 0 4576 18178 8973 26 4 0 0 syz-executor.2 path_openat+0x178/0x2b70 fs/namei.c:3596 [ 4706] 0 4706 18178 8973 26 4 0 0 syz-executor.2 [ 4784] 0 4784 18142 8746 25 3 0 0 syz-executor.1 [ 4787] 0 4787 18142 8746 25 3 0 0 syz-executor.1 do_filp_open+0x1a1/0x280 fs/namei.c:3631 [ 4788] 0 4788 18145 8971 26 4 0 0 syz-executor.0 [ 4790] 0 4790 18175 8748 25 3 0 0 syz-executor.1 [ 4829] 0 4829 18178 8972 25 4 0 0 syz-executor.2 do_sys_open+0x2ca/0x590 fs/open.c:1077 [ 4831] 0 4831 18211 9007 27 4 0 0 syz-executor.5 do_syscall_64+0x19b/0x510 arch/x86/entry/common.c:292 [ 4851] 0 4851 18178 8973 26 4 0 0 syz-executor.2 [ 5146] 0 5146 18277 8979 26 4 0 0 syz-executor.2 INFO: task blkid:18487 blocked for more than 140 seconds. [ 5247] 0 5247 18277 8979 26 4 0 0 syz-executor.2 Not tainted 4.14.129+ #11 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 5297] 0 5297 18178 8992 26 4 0 0 syz-executor.1 blkid D27408 18487 18465 0x00000000 [ 5321] 0 5321 18211 8993 27 4 0 0 syz-executor.1 Call Trace: [ 5325] 0 5325 18244 8977 26 4 0 0 syz-executor.2 [ 5430] 0 5430 18244 8976 25 4 0 0 syz-executor.2 [ 5497] 0 5497 18178 8972 25 4 0 0 syz-executor.2 schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [ 5544] 0 5544 18145 8973 26 4 0 0 syz-executor.0 [ 5567] 0 5567 18211 9003 27 4 0 0 syz-executor.5 [ 5575] 0 5575 18277 8979 26 4 0 0 syz-executor.2 [ 5907] 0 5907 18310 8985 26 4 0 0 syz-executor.2 [ 5931] 0 5931 18178 8973 26 4 0 0 syz-executor.0 [ 6166] 0 6166 18145 8746 24 3 0 0 syz-executor.0 kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 do_inode_permission fs/namei.c:386 [inline] __inode_permission2+0x22c/0x2c0 fs/namei.c:428 inode_permission2+0x2d/0x100 fs/namei.c:485 [ 6172] 0 6172 18178 9269 26 3 0 0 syz-executor.0 may_lookup fs/namei.c:1731 [inline] link_path_walk+0x894/0x1110 fs/namei.c:2111 [ 6381] 0 6381 18277 8979 26 4 0 0 syz-executor.2 path_openat+0x178/0x2b70 fs/namei.c:3596 [ 6395] 0 6395 18277 8979 26 4 0 0 syz-executor.2 [ 6463] 0 6463 18145 8973 26 4 0 0 syz-executor.0 [ 6507] 0 6507 18277 8979 26 4 0 0 syz-executor.2 do_filp_open+0x1a1/0x280 fs/namei.c:3631 [ 6556] 0 6556 18211 8975 26 4 0 0 syz-executor.0 [ 6577] 0 6577 18277 8979 26 4 0 0 syz-executor.2 [ 6589] 0 6589 18145 8744 24 3 0 0 syz-executor.1 do_sys_open+0x2ca/0x590 fs/open.c:1077 [ 6593] 0 6593 18211 8975 26 4 0 0 syz-executor.0 [ 6602] 0 6602 18178 8746 25 3 0 0 syz-executor.1 do_syscall_64+0x19b/0x510 arch/x86/entry/common.c:292 [ 6667] 0 6667 18178 8973 26 4 0 0 syz-executor.2 INFO: task blkid:18489 blocked for more than 140 seconds. [ 6956] 0 6956 18145 8745 25 3 0 0 syz-executor.1 [ 6977] 0 6977 18178 8748 32 3 0 0 syz-executor.1 Not tainted 4.14.129+ #11 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. blkid D26824 18489 18466 0x00000000 Call Trace: [ 7138] 0 7138 18178 8972 25 4 0 0 syz-executor.2 [ 7235] 0 7235 18277 8979 26 4 0 0 syz-executor.2 [ 7341] 0 7341 18178 8993 26 4 0 0 syz-executor.1 schedule+0x92/0x1c0 kernel/sched/core.c:3498 [ 7358] 0 7358 18211 8991 27 4 0 0 syz-executor.1 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 [ 7398] 0 7398 18211 8991 27 4 0 0 syz-executor.1 [ 7540] 0 7540 18310 8981 26 4 0 0 syz-executor.2 [ 7616] 0 7616 18277 8979 26 4 0 0 syz-executor.2 [ 7702] 0 7702 18178 8973 26 4 0 0 syz-executor.0 [ 7825] 0 7825 18178 8972 25 4 0 0 syz-executor.2 kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 do_inode_permission fs/namei.c:386 [inline] __inode_permission2+0x22c/0x2c0 fs/namei.c:428 inode_permission2+0x2d/0x100 fs/namei.c:485 may_lookup fs/namei.c:1731 [inline] link_path_walk+0x894/0x1110 fs/namei.c:2111 [ 7849] 0 7849 18145 8989 26 4 0 0 syz-executor.1 [ 7893] 0 7893 18145 8745 25 3 0 0 syz-executor.1 path_openat+0x178/0x2b70 fs/namei.c:3596 [ 7912] 0 7912 18211 8996 27 4 0 0 syz-executor.1 [ 7926] 0 7926 18178 8748 24 3 0 0 syz-executor.2 [ 7928] 0 7928 18211 8996 27 4 0 0 syz-executor.5 [ 7934] 0 7934 18295 8756 24 3 0 0 syz-executor.2 do_filp_open+0x1a1/0x280 fs/namei.c:3631 [ 7956] 0 7956 18244 8977 26 4 0 0 syz-executor.2 [ 7973] 0 7973 18178 8747 25 3 0 0 syz-executor.1 do_sys_open+0x2ca/0x590 fs/open.c:1077 [ 8015] 0 8015 18277 8753 26 3 0 0 syz-executor.1 [ 8155] 0 8155 18277 8979 26 4 0 0 syz-executor.2 do_syscall_64+0x19b/0x510 arch/x86/entry/common.c:292 [ 8201] 0 8201 18277 8979 26 4 0 0 syz-executor.2 Showing all locks held in the system: [ 8260] 0 8260 18277 8979 26 4 0 0 syz-executor.2 1 lock held by init/1: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.?}, at: [<00000000f314b441>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541 3 locks held by udevd/190: #0: (&dup_mmap_sem){.+.+}, at: [<0000000075d05bbf>] dup_mmap kernel/fork.c:609 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<0000000075d05bbf>] dup_mm kernel/fork.c:1211 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<0000000075d05bbf>] copy_mm kernel/fork.c:1266 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<0000000075d05bbf>] copy_process.part.0+0x39db/0x65d0 kernel/fork.c:1789 #1: (&mm->mmap_sem){++++}, at: [<00000000dc450578>] dup_mmap kernel/fork.c:610 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000dc450578>] dup_mm kernel/fork.c:1211 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000dc450578>] copy_mm kernel/fork.c:1266 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000dc450578>] copy_process.part.0+0x39f7/0x65d0 kernel/fork.c:1789 #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000946e63ba>] dup_mmap kernel/fork.c:619 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000946e63ba>] dup_mm kernel/fork.c:1211 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000946e63ba>] copy_mm kernel/fork.c:1266 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<00000000946e63ba>] copy_process.part.0+0x3a3f/0x65d0 kernel/fork.c:1789 1 lock held by rsyslogd/1621: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by cron/1671: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 2 locks held by getty/1750: #0: (&tty->ldisc_sem){++++}, at: [<00000000d3ca5f81>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000910f2852>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 1 lock held by syz-fuzzer/1769: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 5 locks held by kworker/u4:19/22688: #0: ("%s""netns"){+.+.}, at: [<00000000d40c4f93>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: (net_cleanup_work){+.+.}, at: [<000000009d9e7949>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 #2: (net_mutex){+.+.}, at: [<0000000030ccf326>] cleanup_net+0x136/0x860 net/core/net_namespace.c:450 #3: (rtnl_mutex){+.+.}, at: [<000000001fb60d34>] ip6_tnl_exit_net+0x71/0x550 net/ipv6/ip6_tunnel.c:2265 #4: (kernfs_mutex){+.+.}, at: [<00000000b2cfee49>] kernfs_remove+0x17/0x30 fs/kernfs/dir.c:1328 3 locks held by kworker/1:1/31893: #0: ("%s"("ipv6_addrconf")){+.+.}, at: [<00000000d40c4f93>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((addr_chk_work).work){+.+.}, at: [<000000009d9e7949>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 #2: (rtnl_mutex){+.+.}, at: [<0000000000fc72fe>] addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4431 1 lock held by udevd/18110: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18114: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18123: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18128: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18130: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18131: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18132: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18133: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/18135: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18137: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18144: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/18146: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18147: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18150: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18151: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18156: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18157: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18158: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/18160: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18163: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/18164: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18165: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18166: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18167: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18168: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18169: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18171: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18172: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/18173: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18174: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18175: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18176: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/18178: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18179: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18180: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18181: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18182: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18183: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by blkid/18184: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18187: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18193: #0: (&ei->i_mmap_sem){++++}, at: [<00000000cdfd732c>] ext4_filemap_fault+0x7c/0xb0 fs/ext4/inode.c:6178 1 lock held by udevd/18194: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18200: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18474: #0: (kernfs_mutex){+.+.}, at: [<0000000037a3c64d>] kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 1 lock held by udevd/18477: #0: (kernfs_mutex){+.+.}, at: [<0000000037a3c64d>] kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 1 lock held by udevd/18478: #0: (kernfs_mutex){+.+.}, at: [<0000000037a3c64d>] kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 1 lock held by blkid/18479: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18481: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18482: #0: (kernfs_mutex){+.+.}, at: [<0000000037a3c64d>] kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 1 lock held by udevd/18483: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18484: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by udevd/18485: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18486: #0: (kernfs_mutex){+.+.}, at: [<0000000037a3c64d>] kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 1 lock held by blkid/18487: #0: (kernfs_mutex){+.+.}, at: [<0000000037a3c64d>] kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 1 lock held by blkid/18488: #0: (&mm->mmap_sem){++++}, at: [<00000000d25af9a0>] __do_page_fault+0x271/0xb80 arch/x86/mm/fault.c:1352 1 lock held by blkid/18489: #0: (kernfs_mutex){+.+.}, at: [<0000000037a3c64d>] kernfs_iop_permission+0x4e/0x90 fs/kernfs/inode.c:301 ============================================= [ 8504] 0 8504 18310 8980 25 4 0 0 syz-executor.2 [ 8552] 0 8552 18244 9002 27 4 0 0 syz-executor.1 [ 8572] 0 8572 18343 8984 26 4 0 0 syz-executor.2 [ 8591] 0 8591 18211 8997 28 4 0 0 syz-executor.5 [ 8863] 0 8863 18277 8978 26 4 0 0 syz-executor.2 [ 8915] 0 8915 18211 8972 27 4 0 1000 syz-executor.4 [ 8940] 0 8940 18145 8738 25 3 0 0 syz-executor.5 [ 8994] 0 8994 18178 8749 25 3 0 0 syz-executor.0 [ 9000] 0 9000 18178 8975 26 4 0 0 syz-executor.0 [ 9037] 0 9037 18277 8982 28 4 0 0 syz-executor.0 [ 9063] 0 9063 18277 8978 25 4 0 0 syz-executor.2 [ 9075] 0 9075 18277 8997 27 4 0 0 syz-executor.5 [ 9118] 0 9118 18277 8997 27 4 0 0 syz-executor.5 [ 9195] 0 9195 18178 8973 26 4 0 0 syz-executor.2 [ 9199] 0 9199 18178 8973 26 4 0 0 syz-executor.2 [ 9225] 0 9225 18178 8974 25 4 0 0 syz-executor.2 [ 9249] 0 9249 18310 8981 26 4 0 0 syz-executor.2 [ 9252] 0 9252 18211 8972 27 4 0 1000 syz-executor.4 [ 9282] 0 9282 18277 8979 26 4 0 0 syz-executor.2 [ 9320] 0 9320 18277 8979 26 4 0 0 syz-executor.2 [ 9333] 0 9333 18178 8973 26 4 0 0 syz-executor.2 [ 9341] 0 9341 18244 8977 26 4 0 0 syz-executor.2 [ 9433] 0 9433 18211 8997 27 4 0 0 syz-executor.1 [ 9466] 0 9466 18277 8979 26 4 0 0 syz-executor.2 [ 9474] 0 9474 18142 8745 25 3 0 1000 syz-executor.4 [ 9579] 0 9579 18178 8972 25 4 0 0 syz-executor.2 [ 9611] 0 9611 18179 8992 27 4 0 0 syz-executor.5 [ 9642] 0 9642 18244 8977 26 4 0 0 syz-executor.2 [ 9694] 0 9694 18178 8973 26 4 0 0 syz-executor.0 [ 9782] 0 9782 18178 8973 26 4 0 0 syz-executor.2 [ 9783] 0 9783 18211 10510 31 4 0 0 syz-executor.0 [ 9902] 0 9902 18277 8979 26 4 0 0 syz-executor.2 [ 9917] 0 9917 18178 8972 25 4 0 0 syz-executor.2 [ 9919] 0 9919 18145 8747 25 3 0 0 syz-executor.0 [ 9931] 0 9931 18211 8752 25 3 0 0 syz-executor.0 [10002] 0 10002 18178 8973 26 4 0 0 syz-executor.2 [10012] 0 10012 18277 8979 26 4 0 0 syz-executor.2 [10238] 0 10238 5398 248 15 3 0 -1000 udevd [10512] 0 10512 18277 8979 26 4 0 0 syz-executor.2 [10565] 0 10565 18277 8979 26 4 0 0 syz-executor.2 [10643] 0 10643 18211 8991 27 4 0 0 syz-executor.1 [10696] 0 10696 18211 8991 27 4 0 0 syz-executor.1 [10897] 0 10897 18145 8748 25 3 0 0 syz-executor.0 [10900] 0 10900 18178 8748 24 3 0 0 syz-executor.2 [10946] 0 10946 18277 8758 25 3 0 0 syz-executor.2 [10969] 0 10969 18211 8753 25 3 0 0 syz-executor.0 [10976] 0 10976 18277 8757 25 3 0 0 syz-executor.0 [11047] 0 11047 18277 8979 26 4 0 0 syz-executor.2 [11300] 0 11300 18144 8748 27 3 0 0 syz-executor.5 [11302] 0 11302 18177 8750 27 3 0 0 syz-executor.5 [11316] 0 11316 18211 8972 25 4 0 0 syz-executor.2 [11323] 0 11323 18234 9005 28 4 0 0 syz-executor.5 [11401] 0 11401 18178 8993 27 4 0 0 syz-executor.5 [11535] 0 11535 18178 8990 26 4 0 0 syz-executor.1 [11610] 0 11610 18178 8970 27 4 0 1000 syz-executor.4 [11673] 0 11673 18178 8995 28 4 0 0 syz-executor.5 [11686] 0 11686 18145 8746 26 3 0 1000 syz-executor.4 [11701] 0 11701 18211 8974 28 4 0 1000 syz-executor.4 [11702] 0 11702 18211 8750 27 3 0 1000 syz-executor.4 [11703] 0 11703 18211 8750 27 3 0 1000 syz-executor.4 [11811] 0 11811 18145 8746 24 3 0 0 syz-executor.2 [11822] 0 11822 18178 8748 24 3 0 0 syz-executor.2 [12143] 0 12143 18211 18145 42 4 0 0 syz-executor.5 [12333] 0 12333 18178 8971 26 4 0 0 syz-executor.2