Warning: Permanently added '10.128.10.16' (ECDSA) to the list of known hosts. [ 427.942259] INFO: task systemd-udevd:9092 blocked for more than 140 seconds. [ 427.950294] Not tainted 4.14.216-syzkaller #0 [ 427.955788] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 427.964235] systemd-udevd D28136 9092 4318 0x80000126 [ 427.970276] Call Trace: [ 427.973116] __schedule+0x824/0x1ee0 [ 427.977026] ? __fput+0x1a7/0x740 [ 427.980724] ? ____fput+0x9/0x10 [ 427.984502] ? firmware_map_remove+0x172/0x172 [ 427.990007] ? mark_held_locks+0xc7/0x130 [ 427.994682] schedule+0x7f/0x1b0 [ 427.998393] io_schedule+0x1c/0x70 [ 428.002462] __lock_page+0x1c7/0x370 [ 428.006814] ? file_fdatawait_range+0x60/0x60 [ 428.011306] ? add_to_page_cache_lru+0x2c0/0x2c0 [ 428.016707] ? __might_sleep+0x93/0xb0 [ 428.020705] truncate_inode_pages_range+0x6de/0x12a0 [ 428.026429] ? __find_get_block+0xbd0/0xbd0 [ 428.031012] ? generic_error_remove_page+0xa0/0xa0 [ 428.036091] ? mark_held_locks+0xc7/0x130 [ 428.040406] ? on_each_cpu_mask+0x131/0x1a0 [ 428.044848] ? __find_get_block+0xbd0/0xbd0 [ 428.049273] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 428.054358] ? on_each_cpu_mask+0x116/0x1a0 [ 428.058764] ? on_each_cpu_cond+0xfa/0x160 [ 428.063394] ? __find_get_block+0xbd0/0xbd0 [ 428.067957] ? on_each_cpu_mask+0x1a0/0x1a0 [ 428.073268] truncate_inode_pages+0x10/0x20 [ 428.077884] kill_bdev+0xa9/0xd0 [ 428.082147] __blkdev_put+0x1f1/0x7c0 [ 428.085974] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 428.091064] ? bd_set_size+0xb0/0xb0 [ 428.095046] ? _raw_spin_unlock+0x2c/0x50 [ 428.099683] blkdev_put+0x73/0x480 [ 428.103510] blkdev_close+0x88/0xd0 [ 428.107221] __fput+0x232/0x740 [ 428.110484] ____fput+0x9/0x10 [ 428.113827] task_work_run+0xe5/0x170 [ 428.117796] do_exit+0x98b/0x2c90 [ 428.122368] ? mm_update_next_owner+0x630/0x630 [ 428.127990] ? touch_atime+0x157/0x230 [ 428.132478] ? __atime_needs_update+0x9b0/0x9b0 [ 428.137816] ? get_signal+0x2a5/0x1ab0 [ 428.142947] ? lock_downgrade+0x7f0/0x7f0 [ 428.147494] do_group_exit+0xf8/0x2c0 [ 428.151471] get_signal+0x2f6/0x1ab0 [ 428.155480] ? blkdev_read_iter+0xe9/0x170 [ 428.159999] ? __vfs_read+0x410/0x840 [ 428.164272] do_signal+0x7f/0x18b0 [ 428.168872] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 428.174231] ? setup_sigcontext+0x7d0/0x7d0 [ 428.178928] ? rw_verify_area+0xb8/0x2b0 [ 428.183553] ? vfs_read+0xf9/0x300 [ 428.187802] ? exit_to_usermode_loop+0x3a/0x190 [ 428.193542] exit_to_usermode_loop+0x11e/0x190 [ 428.199163] do_syscall_64+0x416/0x5b0 [ 428.203180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.208166] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 428.213594] RIP: 0033:0x7f03df110210 [ 428.217537] RSP: 002b:00007ffe64f8dde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 428.225790] RAX: fffffffffffffffc RBX: 000055f19530fbe0 RCX: 00007f03df110210 [ 428.233361] RDX: 0000000000000400 RSI: 000055f19530fc08 RDI: 000000000000000f [ 428.240886] RBP: 000055f195310cf0 R08: 00007f03df0faf68 R09: 0000000000000430 [ 428.248371] R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 [ 428.256265] R13: 0000000000000400 R14: 000055f195310d40 R15: 0000000000000400 [ 428.264052] INFO: task systemd-udevd:9176 blocked for more than 140 seconds. [ 428.272566] Not tainted 4.14.216-syzkaller #0 [ 428.277775] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.287898] systemd-udevd D28136 9176 4318 0x80000126 [ 428.294108] Call Trace: [ 428.296697] __schedule+0x824/0x1ee0 [ 428.300928] ? __fput+0x1a7/0x740 [ 428.304691] ? ____fput+0x9/0x10 [ 428.308077] ? firmware_map_remove+0x172/0x172 [ 428.313135] ? mark_held_locks+0xc7/0x130 [ 428.317671] schedule+0x7f/0x1b0 [ 428.321230] io_schedule+0x1c/0x70 [ 428.324926] __lock_page+0x1c7/0x370 [ 428.328904] ? file_fdatawait_range+0x60/0x60 [ 428.333720] ? add_to_page_cache_lru+0x2c0/0x2c0 [ 428.338988] ? __might_sleep+0x93/0xb0 [ 428.343260] truncate_inode_pages_range+0x6de/0x12a0 [ 428.348731] ? generic_error_remove_page+0xa0/0xa0 [ 428.354555] ? mark_held_locks+0xc7/0x130 [ 428.359164] ? on_each_cpu_mask+0x131/0x1a0 [ 428.363696] ? __find_get_block+0xbd0/0xbd0 [ 428.368386] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 428.373741] ? on_each_cpu_mask+0x116/0x1a0 [ 428.378313] ? on_each_cpu_cond+0xfa/0x160 [ 428.382872] ? __find_get_block+0xbd0/0xbd0 [ 428.387639] ? on_each_cpu_mask+0x1a0/0x1a0 [ 428.398360] truncate_inode_pages+0x10/0x20 [ 428.403420] kill_bdev+0xa9/0xd0 [ 428.407007] __blkdev_put+0x1f1/0x7c0 [ 428.410901] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 428.415996] ? bd_set_size+0xb0/0xb0 [ 428.419740] ? _raw_spin_unlock+0x2c/0x50 [ 428.424396] blkdev_put+0x73/0x480 [ 428.428162] blkdev_close+0x88/0xd0 [ 428.431790] __fput+0x232/0x740 [ 428.435419] ____fput+0x9/0x10 [ 428.438791] task_work_run+0xe5/0x170 [ 428.442806] do_exit+0x98b/0x2c90 [ 428.446459] ? mm_update_next_owner+0x630/0x630 [ 428.451844] ? touch_atime+0x157/0x230 [ 428.456206] ? __atime_needs_update+0x9b0/0x9b0 [ 428.461435] ? get_signal+0x2a5/0x1ab0 [ 428.465661] ? lock_downgrade+0x7f0/0x7f0 [ 428.469963] do_group_exit+0xf8/0x2c0 [ 428.473847] get_signal+0x2f6/0x1ab0 [ 428.478425] ? blkdev_read_iter+0xe9/0x170 [ 428.483088] ? __vfs_read+0x410/0x840 [ 428.486902] do_signal+0x7f/0x18b0 [ 428.490802] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 428.496476] ? setup_sigcontext+0x7d0/0x7d0 [ 428.501927] ? rw_verify_area+0xb8/0x2b0 [ 428.506385] ? vfs_read+0xf9/0x300 [ 428.510129] ? exit_to_usermode_loop+0x3a/0x190 [ 428.515126] exit_to_usermode_loop+0x11e/0x190 [ 428.519902] do_syscall_64+0x416/0x5b0 [ 428.524731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.529756] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 428.535754] RIP: 0033:0x7f03df110210 [ 428.539746] RSP: 002b:00007ffe64f8dde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 428.548330] RAX: fffffffffffffffc RBX: 000055f195309830 RCX: 00007f03df110210 [ 428.556365] RDX: 0000000000000400 RSI: 000055f195309858 RDI: 000000000000000f [ 428.564453] RBP: 000055f1952fd820 R08: 00007f03df0faf58 R09: 0000000000000430 [ 428.572076] R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 [ 428.580468] R13: 0000000000000400 R14: 000055f1952fd870 R15: 0000000000000400 [ 428.589253] INFO: task systemd-udevd:9180 blocked for more than 140 seconds. [ 428.597854] Not tainted 4.14.216-syzkaller #0 [ 428.603490] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.611833] systemd-udevd D28136 9180 4318 0x80000126 [ 428.618608] Call Trace: [ 428.621342] __schedule+0x824/0x1ee0 [ 428.625460] ? __fput+0x1a7/0x740 [ 428.629134] ? ____fput+0x9/0x10 [ 428.632996] ? firmware_map_remove+0x172/0x172 [ 428.638245] ? mark_held_locks+0xc7/0x130 [ 428.642979] schedule+0x7f/0x1b0 [ 428.646536] io_schedule+0x1c/0x70 [ 428.650323] __lock_page+0x1c7/0x370 [ 428.654335] ? file_fdatawait_range+0x60/0x60 [ 428.659251] ? add_to_page_cache_lru+0x2c0/0x2c0 [ 428.664144] ? __might_sleep+0x93/0xb0 [ 428.668061] truncate_inode_pages_range+0x6de/0x12a0 [ 428.674087] ? generic_error_remove_page+0xa0/0xa0 [ 428.680162] ? mark_held_locks+0xc7/0x130 [ 428.685107] ? on_each_cpu_mask+0x131/0x1a0 [ 428.689921] ? __find_get_block+0xbd0/0xbd0 [ 428.694627] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 428.700418] ? on_each_cpu_mask+0x116/0x1a0 [ 428.705115] ? on_each_cpu_cond+0xfa/0x160 [ 428.709996] ? __find_get_block+0xbd0/0xbd0 [ 428.714642] ? on_each_cpu_mask+0x1a0/0x1a0 [ 428.719081] truncate_inode_pages+0x10/0x20 [ 428.724043] kill_bdev+0xa9/0xd0 [ 428.727719] __blkdev_put+0x1f1/0x7c0 [ 428.731504] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 428.736744] ? bd_set_size+0xb0/0xb0 [ 428.740866] ? _raw_spin_unlock+0x2c/0x50 [ 428.745225] blkdev_put+0x73/0x480 [ 428.748945] blkdev_close+0x88/0xd0 [ 428.752751] __fput+0x232/0x740 [ 428.756423] ____fput+0x9/0x10 [ 428.759878] task_work_run+0xe5/0x170 [ 428.763958] do_exit+0x98b/0x2c90 [ 428.767663] ? mm_update_next_owner+0x630/0x630 [ 428.772687] ? touch_atime+0x157/0x230 [ 428.776837] ? __atime_needs_update+0x9b0/0x9b0 [ 428.781654] ? get_signal+0x2a5/0x1ab0 [ 428.785881] ? lock_downgrade+0x7f0/0x7f0 [ 428.790413] do_group_exit+0xf8/0x2c0 [ 428.794365] get_signal+0x2f6/0x1ab0 [ 428.798904] ? blkdev_read_iter+0xe9/0x170 [ 428.803347] ? __vfs_read+0x410/0x840 [ 428.807404] do_signal+0x7f/0x18b0 [ 428.811219] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 428.816649] ? setup_sigcontext+0x7d0/0x7d0 [ 428.821106] ? rw_verify_area+0xb8/0x2b0 [ 428.825823] ? vfs_read+0xf9/0x300 [ 428.829469] ? exit_to_usermode_loop+0x3a/0x190 [ 428.834287] exit_to_usermode_loop+0x11e/0x190 [ 428.839107] do_syscall_64+0x416/0x5b0 [ 428.843263] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.848192] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 428.853713] RIP: 0033:0x7f03df110210 [ 428.857621] RSP: 002b:00007ffe64f8dde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 428.865597] RAX: fffffffffffffffc RBX: 000055f19530a2a0 RCX: 00007f03df110210 [ 428.873374] RDX: 0000000000000400 RSI: 000055f19530a2c8 RDI: 000000000000000f [ 428.881361] RBP: 000055f195300d20 R08: 00007f03df0faf48 R09: 0000000000000430 [ 428.889058] R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 [ 428.897010] R13: 0000000000000400 R14: 000055f195300d70 R15: 0000000000000400 [ 428.905753] INFO: task systemd-udevd:9202 blocked for more than 140 seconds. [ 428.914453] Not tainted 4.14.216-syzkaller #0 [ 428.919809] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 428.928294] systemd-udevd D28136 9202 4318 0x80000126 [ 428.934495] Call Trace: [ 428.937540] __schedule+0x824/0x1ee0 [ 428.941409] ? __fput+0x1a7/0x740 [ 428.944924] ? ____fput+0x9/0x10 [ 428.948634] ? firmware_map_remove+0x172/0x172 [ 428.953830] ? mark_held_locks+0xc7/0x130 [ 428.958808] schedule+0x7f/0x1b0 [ 428.962257] io_schedule+0x1c/0x70 [ 428.965795] __lock_page+0x1c7/0x370 [ 428.969668] ? file_fdatawait_range+0x60/0x60 [ 428.974461] ? add_to_page_cache_lru+0x2c0/0x2c0 [ 428.979733] ? __might_sleep+0x93/0xb0 [ 428.984266] truncate_inode_pages_range+0x6de/0x12a0 [ 428.989651] ? __find_get_block+0xbd0/0xbd0 [ 428.994384] ? generic_error_remove_page+0xa0/0xa0 [ 428.999806] ? __find_get_block+0xbd0/0xbd0 [ 429.005244] ? __find_get_block+0xbd0/0xbd0 [ 429.009913] ? on_each_cpu_mask+0x116/0x1a0 [ 429.014587] ? on_each_cpu_cond+0xfa/0x160 [ 429.019178] ? __find_get_block+0xbd0/0xbd0 [ 429.023746] ? on_each_cpu_mask+0x1a0/0x1a0 [ 429.028260] truncate_inode_pages+0x10/0x20 [ 429.032637] kill_bdev+0xa9/0xd0 [ 429.036251] __blkdev_put+0x1f1/0x7c0 [ 429.040173] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 429.045312] ? bd_set_size+0xb0/0xb0 [ 429.049230] ? _raw_spin_unlock+0x2c/0x50 [ 429.054265] blkdev_put+0x73/0x480 [ 429.058075] blkdev_close+0x88/0xd0 [ 429.062350] __fput+0x232/0x740 [ 429.065855] ____fput+0x9/0x10 [ 429.069052] task_work_run+0xe5/0x170 [ 429.073531] do_exit+0x98b/0x2c90 [ 429.077649] ? mm_update_next_owner+0x630/0x630 [ 429.082672] ? touch_atime+0x157/0x230 [ 429.086747] ? __atime_needs_update+0x9b0/0x9b0 [ 429.091675] ? get_signal+0x2a5/0x1ab0 [ 429.096088] ? lock_downgrade+0x7f0/0x7f0 [ 429.100332] do_group_exit+0xf8/0x2c0 [ 429.104808] get_signal+0x2f6/0x1ab0 [ 429.109298] ? blkdev_read_iter+0xe9/0x170 [ 429.114206] ? __vfs_read+0x410/0x840 [ 429.118497] do_signal+0x7f/0x18b0 [ 429.122609] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 429.127944] ? setup_sigcontext+0x7d0/0x7d0 [ 429.133001] ? rw_verify_area+0xb8/0x2b0 [ 429.137583] ? vfs_read+0xf9/0x300 [ 429.141496] ? exit_to_usermode_loop+0x3a/0x190 [ 429.146615] exit_to_usermode_loop+0x11e/0x190 [ 429.151289] do_syscall_64+0x416/0x5b0 [ 429.155669] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.161302] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 429.166820] RIP: 0033:0x7f03df110210 [ 429.170966] RSP: 002b:00007ffe64f8dde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 429.179534] RAX: fffffffffffffffc RBX: 000055f19530fbe0 RCX: 00007f03df110210 [ 429.187622] RDX: 0000000000000400 RSI: 000055f19530fc08 RDI: 000000000000000f [ 429.196022] RBP: 000055f19530f530 R08: 00007f03df0faf68 R09: 0000000000000430 [ 429.203677] R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 [ 429.211608] R13: 0000000000000400 R14: 000055f19530f580 R15: 0000000000000400 [ 429.219724] INFO: task systemd-udevd:9311 blocked for more than 140 seconds. [ 429.227315] Not tainted 4.14.216-syzkaller #0 [ 429.232759] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.241891] systemd-udevd D28136 9311 4318 0x80000126 [ 429.248596] Call Trace: [ 429.251687] __schedule+0x824/0x1ee0 [ 429.255813] ? __fput+0x1a7/0x740 [ 429.259458] ? ____fput+0x9/0x10 [ 429.263320] ? firmware_map_remove+0x172/0x172 [ 429.268631] ? mark_held_locks+0xc7/0x130 [ 429.273107] schedule+0x7f/0x1b0 [ 429.276885] io_schedule+0x1c/0x70 [ 429.280499] __lock_page+0x1c7/0x370 [ 429.284747] ? file_fdatawait_range+0x60/0x60 [ 429.289443] ? add_to_page_cache_lru+0x2c0/0x2c0 [ 429.294748] ? __might_sleep+0x93/0xb0 [ 429.298929] truncate_inode_pages_range+0x6de/0x12a0 [ 429.304586] ? generic_error_remove_page+0xa0/0xa0 [ 429.309848] ? mark_held_locks+0xc7/0x130 [ 429.314821] ? on_each_cpu_mask+0x131/0x1a0 [ 429.319160] ? __find_get_block+0xbd0/0xbd0 [ 429.324085] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 429.329806] ? on_each_cpu_mask+0x116/0x1a0 [ 429.334462] ? on_each_cpu_cond+0xfa/0x160 [ 429.338851] ? __find_get_block+0xbd0/0xbd0 [ 429.343248] ? on_each_cpu_mask+0x1a0/0x1a0 [ 429.347811] truncate_inode_pages+0x10/0x20 [ 429.352700] kill_bdev+0xa9/0xd0 [ 429.356265] __blkdev_put+0x1f1/0x7c0 [ 429.360386] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 429.365379] ? bd_set_size+0xb0/0xb0 [ 429.369384] ? _raw_spin_unlock+0x2c/0x50 [ 429.373676] blkdev_put+0x73/0x480 [ 429.377409] blkdev_close+0x88/0xd0 [ 429.381103] __fput+0x232/0x740 [ 429.384577] ____fput+0x9/0x10 [ 429.387873] task_work_run+0xe5/0x170 [ 429.392069] do_exit+0x98b/0x2c90 [ 429.395805] ? mm_update_next_owner+0x630/0x630 [ 429.400616] ? touch_atime+0x157/0x230 [ 429.404572] ? __atime_needs_update+0x9b0/0x9b0 [ 429.410362] ? get_signal+0x2a5/0x1ab0 [ 429.414999] ? lock_downgrade+0x7f0/0x7f0 [ 429.419999] do_group_exit+0xf8/0x2c0 [ 429.424010] get_signal+0x2f6/0x1ab0 [ 429.428041] ? blkdev_read_iter+0xe9/0x170 [ 429.432611] ? __vfs_read+0x410/0x840 [ 429.436654] do_signal+0x7f/0x18b0 [ 429.440614] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 429.445751] ? setup_sigcontext+0x7d0/0x7d0 [ 429.450322] ? rw_verify_area+0xb8/0x2b0 [ 429.454900] ? vfs_read+0xf9/0x300 [ 429.458704] ? exit_to_usermode_loop+0x3a/0x190 [ 429.463892] exit_to_usermode_loop+0x11e/0x190 [ 429.468826] do_syscall_64+0x416/0x5b0 [ 429.473250] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.478452] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 429.483799] RIP: 0033:0x7f03df110210 [ 429.487691] RSP: 002b:00007ffe64f8d7f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 429.495889] RAX: fffffffffffffffc RBX: 000055f195320150 RCX: 00007f03df110210 [ 429.504210] RDX: 0000000000000400 RSI: 000055f195320178 RDI: 000000000000000f [ 429.511980] RBP: 000055f195310cf0 R08: 00007f03df0faf68 R09: 0000000000000430 [ 429.520710] R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 [ 429.528989] R13: 0000000000000400 R14: 000055f195310d40 R15: 0000000000000400 [ 429.537019] INFO: task systemd-udevd:9373 blocked for more than 140 seconds. [ 429.544555] Not tainted 4.14.216-syzkaller #0 [ 429.549841] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.558881] systemd-udevd D27544 9373 4318 0x00000124 [ 429.565050] Call Trace: [ 429.567983] __schedule+0x824/0x1ee0 [ 429.572075] ? firmware_map_remove+0x172/0x172 [ 429.577212] schedule+0x7f/0x1b0 [ 429.580938] schedule_preempt_disabled+0x13/0x20 [ 429.586162] __mutex_lock+0x519/0x1490 [ 429.590619] ? __blkdev_get+0x185/0xff0 [ 429.594858] ? wait_for_completion_io+0x20/0x20 [ 429.600090] ? __ww_mutex_wakeup_for_backoff+0x250/0x250 [ 429.606664] ? mutex_unlock+0xd/0x10 [ 429.610491] ? kobj_lookup+0x216/0x410 [ 429.614961] mutex_lock_nested+0x16/0x20 [ 429.619852] ? mutex_lock_nested+0x16/0x20 [ 429.624531] __blkdev_get+0x185/0xff0 [ 429.628602] ? __blkdev_put+0x7c0/0x7c0 [ 429.632897] ? trace_hardirqs_on+0x10/0x10 [ 429.637226] ? trace_hardirqs_on+0x10/0x10 [ 429.642044] blkdev_get+0x265/0x890 [ 429.645855] ? bd_may_claim+0xc0/0xc0 [ 429.649919] ? lock_downgrade+0x7f0/0x7f0 [ 429.654292] ? __fsnotify_update_child_dentry_flags.part.0+0x280/0x280 [ 429.661139] ? do_raw_spin_unlock+0x16a/0x250 [ 429.666090] ? _raw_spin_unlock+0x2c/0x50 [ 429.670789] blkdev_open+0x19f/0x200 [ 429.674644] ? lockref_get+0x3a/0x50 [ 429.678821] do_dentry_open+0x3e4/0xde0 [ 429.683401] ? bd_acquire+0x290/0x290 [ 429.687322] vfs_open+0xfc/0x240 [ 429.691276] ? may_open.isra.21+0xac/0x270 [ 429.695756] ? complete_walk+0x71/0x1b0 [ 429.700077] path_openat+0xb73/0x27a0 [ 429.704419] ? path_mountpoint+0x890/0x890 [ 429.708756] ? trace_hardirqs_on+0x10/0x10 [ 429.713610] do_filp_open+0x16b/0x220 [ 429.717845] ? __alloc_fd+0x189/0x420 [ 429.722828] ? may_open_dev+0xc0/0xc0 [ 429.726824] ? _raw_spin_unlock+0x2c/0x50 [ 429.731154] ? __alloc_fd+0x189/0x420 [ 429.735391] ? kmem_cache_alloc+0x367/0x3e0 [ 429.739805] do_sys_open+0x1c2/0x340 [ 429.744344] ? filp_open+0x50/0x50 [ 429.748059] ? do_sys_open+0x340/0x340 [ 429.752752] SyS_open+0x19/0x20 [ 429.756144] do_syscall_64+0x1c7/0x5b0 [ 429.760407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.765783] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 429.771266] RIP: 0033:0x7f03df110840 [ 429.775293] RSP: 002b:00007ffe64f92d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 429.783421] RAX: ffffffffffffffda RBX: 000055f1952fd820 RCX: 00007f03df110840 [ 429.790894] RDX: 000055f193939fe3 RSI: 00000000000a0800 RDI: 000055f195310ef0 [ 429.798319] RBP: 00007ffe64f92f10 R08: 000055f193939670 R09: 0000000000000010 [ 429.806234] R10: 000055f193939d0c R11: 0000000000000246 R12: 00007ffe64f92e60 [ 429.814060] R13: 000055f19530f530 R14: 0000000000000003 R15: 000000000000000e [ 429.823024] INFO: task syz-executor.3:21115 blocked for more than 140 seconds. [ 429.830960] Not tainted 4.14.216-syzkaller #0 [ 429.836032] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.844410] syz-executor.3 D28344 21115 7687 0x00000004 [ 429.850336] Call Trace: [ 429.852978] __schedule+0x824/0x1ee0 [ 429.857022] ? firmware_map_remove+0x172/0x172 [ 429.862262] ? mark_held_locks+0xc7/0x130 [ 429.866958] schedule+0x7f/0x1b0 [ 429.870404] io_schedule+0x1c/0x70 [ 429.874128] __lock_page+0x1c7/0x370 [ 429.877855] ? file_fdatawait_range+0x60/0x60 [ 429.882774] ? add_to_page_cache_lru+0x2c0/0x2c0 [ 429.888611] ? __might_sleep+0x93/0xb0 [ 429.892548] truncate_inode_pages_range+0x6de/0x12a0 [ 429.898069] ? generic_error_remove_page+0xa0/0xa0 [ 429.903278] ? mark_held_locks+0xc7/0x130 [ 429.907624] ? on_each_cpu_mask+0x131/0x1a0 [ 429.912189] ? __find_get_block+0xbd0/0xbd0 [ 429.916731] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 429.922086] ? on_each_cpu_mask+0x116/0x1a0 [ 429.927111] ? on_each_cpu_cond+0xfa/0x160 [ 429.932100] ? __find_get_block+0xbd0/0xbd0 [ 429.937567] ? on_each_cpu_mask+0x1a0/0x1a0 [ 429.942410] truncate_inode_pages+0x10/0x20 [ 429.946958] kill_bdev+0xa9/0xd0 [ 429.950782] __blkdev_put+0x1f1/0x7c0 [ 429.955017] ? __mutex_unlock_slowpath+0x7d/0x7e0 [ 429.960259] ? bd_set_size+0xb0/0xb0 [ 429.964123] ? _raw_spin_unlock+0x2c/0x50 [ 429.968533] blkdev_put+0x73/0x480 [ 429.972367] blkdev_close+0x88/0xd0 [ 429.976005] __fput+0x232/0x740 [ 429.979276] ? _raw_spin_unlock_irq+0x27/0x90 [ 429.984100] ____fput+0x9/0x10 [ 429.987388] task_work_run+0xe5/0x170 [ 429.991480] exit_to_usermode_loop+0x14a/0x190 [ 429.996391] do_syscall_64+0x416/0x5b0 [ 430.000563] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.006052] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 430.012084] RIP: 0033:0x417811 [ 430.015763] RSP: 002b:00007fff87abb090 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 430.023852] RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000417811 [ 430.032680] RDX: 0000000000000000 RSI: 0000000000000081 RDI: 0000000000000007 [ 430.040061] RBP: 0000000000000000 R08: 0000000001190440 R09: 0000000000000000 [ 430.047620] R10: 00007fff87abb160 R11: 0000000000000293 R12: ffffffffffffffff [ 430.055351] R13: 0000000000000000 R14: 0000000000000003 R15: 000000000118bf2c [ 430.063582] [ 430.063582] Showing all locks held in the system: [ 430.070542] 1 lock held by khungtaskd/1529: [ 430.075218] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x79/0x218 [ 430.084354] 1 lock held by in:imklog/7116: [ 430.088804] #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0x8e/0xc0 [ 430.097602] 1 lock held by systemd-udevd/9092: [ 430.102304] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 [ 430.110936] 1 lock held by systemd-udevd/9176: [ 430.115826] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 [ 430.124748] 1 lock held by systemd-udevd/9180: [ 430.130100] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 [ 430.139378] 1 lock held by systemd-udevd/9202: [ 430.144321] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 [ 430.154033] 1 lock held by systemd-udevd/9311: [ 430.158746] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 [ 430.167619] 1 lock held by systemd-udevd/9373: [ 430.172698] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x185/0xff0 [ 430.182074] 1 lock held by syz-executor.3/21115: [ 430.187459] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 [ 430.196499] 1 lock held by syz-executor863/21207: [ 430.201524] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x185/0xff0 [ 430.210724] 1 lock held by syz-executor863/21208: [ 430.215894] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x185/0xff0 [ 430.224907] 1 lock held by syz-executor863/21209: [ 430.229751] #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x185/0xff0 [ 430.239804] [ 430.241534] ============================================= [ 430.241534] [ 430.249033] NMI backtrace for cpu 1 [ 430.252979] CPU: 1 PID: 1529 Comm: khungtaskd Not tainted 4.14.216-syzkaller #0 [ 430.260756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.270291] Call Trace: [ 430.272882] dump_stack+0x14b/0x1e7 [ 430.276587] nmi_cpu_backtrace.cold.0+0x3c/0x78 [ 430.281602] ? irq_force_complete_move+0x310/0x310 [ 430.286609] nmi_trigger_cpumask_backtrace+0xf6/0x120 [ 430.292028] arch_trigger_cpumask_backtrace+0x14/0x20 [ 430.297478] watchdog+0x51b/0xa70 [ 430.301166] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 430.306175] kthread+0x338/0x400 [ 430.309727] ? reset_hung_task_detector+0x10/0x10 [ 430.314856] ? kthread_create_on_node+0xa0/0xa0 [ 430.319793] ret_from_fork+0x24/0x30 [ 430.323713] Sending NMI from CPU 1 to CPUs 0: [ 430.328628] NMI backtrace for cpu 0 [ 430.328631] CPU: 0 PID: 34 Comm: kworker/u4:2 Not tainted 4.14.216-syzkaller #0 [ 430.328632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.328634] Workqueue: bat_events batadv_nc_worker [ 430.328636] task: ffff8881f4e6e1c0 task.stack: ffff8881f4ec8000 [ 430.328637] RIP: 0010:lock_release+0xbf/0x820 [ 430.328638] RSP: 0018:ffff8881f4ecfc68 EFLAGS: 00000246 [ 430.328641] RAX: dffffc0000000000 RBX: 1ffff1103e9d9f90 RCX: 1ffffffff1194bac [ 430.328642] RDX: 1ffffffff11e1098 RSI: 0000000000000001 RDI: ffffffff88f084c0 [ 430.328643] RBP: ffff8881f4ecfd08 R08: ffff8881f4e6eab8 R09: 0000000000000000 [ 430.328645] R10: 0000000000000050 R11: ffff8881f4e6e1c0 R12: ffffffff88f76300 [ 430.328646] R13: ffff8881f4e6e1c0 R14: 0000000000000000 R15: dffffc0000000000 [ 430.328647] FS: 0000000000000000(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 [ 430.328649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.328650] CR2: 00007f91e085f858 CR3: 0000000008e6a004 CR4: 00000000001606f0 [ 430.328651] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.328653] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.328653] Call Trace: [ 430.328655] ? batadv_nc_worker+0x177/0x630 [ 430.328656] ? lock_downgrade+0x7f0/0x7f0 [ 430.328657] ? batadv_nc_worker+0xbf/0x630 [ 430.328658] batadv_nc_worker+0x194/0x630 [ 430.328659] process_one_work+0x74f/0x1620 [ 430.328660] ? pwq_dec_nr_in_flight+0x2b0/0x2b0 [ 430.328661] worker_thread+0xcc/0xed0 [ 430.328662] kthread+0x338/0x400 [ 430.328663] ? process_one_work+0x1620/0x1620 [ 430.328664] ? kthread_create_on_node+0xa0/0xa0 [ 430.328665] ret_from_fork+0x24/0x30 [ 430.328666] Code: 8b 8d 84 08 00 00 45 85 c9 0f 85 a8 03 00 00 48 c7 c7 c0 84 f0 88 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 72 06 00 00 48 83 3d 83 b1 ae 07 00 0f 84 31 05 00 00 9c [ 430.329432] Kernel panic - not syncing: hung_task: blocked tasks [ 430.525298] CPU: 1 PID: 1529 Comm: khungtaskd Not tainted 4.14.216-syzkaller #0 [ 430.533729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 430.543901] Call Trace: [ 430.546715] dump_stack+0x14b/0x1e7 [ 430.550718] panic+0x1b0/0x358 [ 430.553992] ? add_taint.cold.4+0x11/0x11 [ 430.558759] watchdog+0x52c/0xa70 [ 430.562784] ? trace_hardirqs_on_caller+0x3bb/0x570 [ 430.567809] kthread+0x338/0x400 [ 430.571278] ? reset_hung_task_detector+0x10/0x10 [ 430.576429] ? kthread_create_on_node+0xa0/0xa0 [ 430.581096] ret_from_fork+0x24/0x30 [ 430.587015] Kernel Offset: disabled [ 430.590844] Rebooting in 86400 seconds..