Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. executing program executing program [ 927.885573] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 927.902480] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 927.982635] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.000258] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 928.072476] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.088436] EXT4-fs (loop0): re-mounted. Opts: (null) [ 928.142648] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.160364] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 928.215271] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.225812] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 928.283491] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.303789] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 928.356871] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.378474] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 928.424016] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.436436] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 928.503123] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.523784] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 928.602591] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.621971] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 928.694365] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.706743] EXT4-fs (loop0): re-mounted. Opts: (null) [ 928.776384] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.786331] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program executing program [ 928.872557] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.892213] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 928.982298] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 928.999062] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 929.066711] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.092701] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 929.173913] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.186431] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 929.262663] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.282405] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 929.336450] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.354200] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 929.412807] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.434635] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 929.486952] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.507061] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 929.572917] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.582268] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 929.634285] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.653721] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 929.732295] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.748891] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 929.806509] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.816453] EXT4-fs (loop0): re-mounted. Opts: (null) [ 929.888256] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.899253] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program executing program [ 929.972640] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 929.992993] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 930.072919] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.095217] EXT4-fs (loop0): re-mounted. Opts: (null) [ 930.157168] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.175397] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 930.252616] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.266303] EXT4-fs (loop0): re-mounted. Opts: (null) [ 930.322675] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.341869] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 930.425975] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.445917] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 930.513150] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.532245] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 930.586958] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.607930] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 930.693183] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.706820] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 930.772650] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.787566] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 930.852438] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.871795] EXT4-fs (loop0): re-mounted. Opts: (null) [ 930.933616] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 930.946121] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 931.022447] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.036290] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 931.093304] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.110084] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 931.152652] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.186552] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 931.264566] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.274000] EXT4-fs (loop0): re-mounted. Opts: (null) [ 931.353083] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.367776] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 931.435444] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.452978] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 931.514799] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.529540] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 931.585748] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.604025] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program executing program [ 931.692417] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.713201] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 931.792267] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.811941] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 931.866710] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.887722] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 931.972240] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 931.988861] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 932.043267] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.057855] EXT4-fs (loop0): re-mounted. Opts: (null) [ 932.102518] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.131373] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 932.204761] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.225308] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 932.293607] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.313290] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 932.362116] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.377105] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 932.432916] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.451592] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 932.502361] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.521563] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 932.574645] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.584334] EXT4-fs (loop0): re-mounted. Opts: (null) [ 932.642204] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.658524] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program executing program [ 932.727999] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.742708] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 932.823876] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.842907] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 932.937107] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 932.955255] EXT4-fs (loop0): re-mounted. Opts: (null) [ 933.014138] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 933.023559] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 933.102553] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 933.115845] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 933.172573] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 933.185921] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 933.255669] EXT4-fs (loop0): re-mounted. Opts: (null) [ 933.320746] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 933.407628] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 933.463945] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 933.552923] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 933.636697] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 933.704162] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 933.791311] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 933.853845] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 933.951046] EXT4-fs (loop0): re-mounted. Opts: (null) [ 934.011052] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 934.081084] EXT4-fs (loop0): re-mounted. Opts: (null) [ 934.146829] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program executing program [ 934.250063] EXT4-fs (loop0): re-mounted. Opts: (null) [ 934.320890] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 934.411115] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 934.477657] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 934.550028] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 934.606828] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 934.672723] EXT4-fs (loop0): re-mounted. Opts: (null) [ 934.756678] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 934.831846] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 934.906088] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 934.978497] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program executing program [ 935.034908] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 935.103971] EXT4-fs (loop0): re-mounted. Opts: (null) [ 935.188492] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 935.271247] EXT4-fs (loop0): re-mounted. Opts: (null) [ 935.331168] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 935.430354] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 935.490892] EXT4-fs (loop0): re-mounted. Opts: (null) [ 935.533332] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program executing program [ 935.617703] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 935.675864] EXT4-fs (loop0): re-mounted. Opts: (null) [ 935.741482] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 935.820651] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 935.895996] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 935.959348] EXT4-fs (loop0): re-mounted. Opts: (null) [ 936.020652] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 936.087947] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 936.159008] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 936.251681] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 936.321058] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 936.383519] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 936.454109] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 936.549879] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 936.611012] EXT4-fs (loop0): re-mounted. Opts: (null) [ 936.691759] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 936.765012] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 936.832620] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 936.905220] EXT4-fs (loop0): re-mounted. Opts: (null) [ 936.970412] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 937.061572] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 937.150549] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 937.221108] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 937.320962] EXT4-fs (loop0): re-mounted. Opts: (null) [ 937.383740] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 937.460553] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 937.537957] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 937.608790] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 937.688197] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 937.760965] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 937.823337] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 937.898240] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 937.958979] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 938.006974] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 938.084895] EXT4-fs (loop0): re-mounted. Opts: (null) [ 938.155827] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.217245] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.284124] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.371036] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.446756] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.520904] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.577164] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 938.661024] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.727654] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 938.775132] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.860558] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 938.941362] EXT4-fs (loop0): re-mounted. Opts: (null) [ 938.997248] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 939.068586] EXT4-fs (loop0): re-mounted. Opts: (null) [ 939.131895] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 939.220780] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 939.307621] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 939.363138] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 939.431323] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 939.520880] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 939.590936] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 939.643574] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 939.720843] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 939.800635] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 939.870570] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 939.960186] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 940.033821] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 940.103374] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 940.196241] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 940.307210] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 940.400927] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 940.467480] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 940.550330] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 940.620535] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 940.685818] EXT4-fs (loop0): re-mounted. Opts: (null) [ 940.747048] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 940.818679] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 940.901769] EXT4-fs (loop0): re-mounted. Opts: (null) [ 940.968458] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 941.039728] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 941.107745] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 941.163286] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 941.237808] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 941.300713] EXT4-fs (loop0): re-mounted. Opts: (null) [ 941.371468] EXT4-fs (loop0): re-mounted. Opts: (null) executing program executing program [ 941.450564] EXT4-fs (loop0): re-mounted. Opts: (null) [ 941.519365] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 941.611064] EXT4-fs (loop0): re-mounted. Opts: (null) executing program [ 941.686278] EXT4-fs (loop0): re-mounted. Opts: (null) [ 1144.693937] INFO: task syz-executor306:7964 blocked for more than 140 seconds. [ 1144.701390] Not tainted 4.14.294-syzkaller #0 [ 1144.706475] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1144.714486] syz-executor306 D28448 7964 7962 0x00000000 [ 1144.720105] Call Trace: [ 1144.722676] __schedule+0x88b/0x1de0 [ 1144.726424] ? io_schedule_timeout+0x140/0x140 [ 1144.731002] ? trace_hardirqs_on+0x10/0x10 [ 1144.735397] schedule+0x8d/0x1b0 [ 1144.738790] schedule_timeout+0x80a/0xe90 [ 1144.742923] ? deactivate_locked_super+0x6c/0xd0 [ 1144.747764] ? deactivate_super+0x7f/0xa0 [ 1144.751911] ? cleanup_mnt+0x186/0x2c0 [ 1144.755855] ? task_work_run+0x11f/0x190 [ 1144.759916] ? exit_to_usermode_loop+0x1ad/0x200 [ 1144.764764] ? usleep_range+0x130/0x130 [ 1144.768746] ? wait_for_common+0x26a/0x430 [ 1144.772971] ? mark_held_locks+0xa6/0xf0 [ 1144.777072] ? _raw_spin_unlock_irq+0x24/0x80 [ 1144.781572] wait_for_common+0x272/0x430 [ 1144.785710] ? try_to_wake_up+0x6de/0x1100 [ 1144.789945] ? out_of_line_wait_on_atomic_t+0x1a0/0x1a0 [ 1144.795352] ? wake_up_q+0xd0/0xd0 [ 1144.798890] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 1144.804504] kthread_stop+0xce/0x640 [ 1144.808228] ext4_put_super+0x865/0xf00 [ 1144.812193] ? fsnotify_unmount_inodes+0x1b4/0x210 [ 1144.817169] ? ext4_quota_write+0x420/0x420 [ 1144.821519] generic_shutdown_super+0x144/0x370 [ 1144.826244] kill_block_super+0x95/0xe0 [ 1144.830221] deactivate_locked_super+0x6c/0xd0 [ 1144.834839] deactivate_super+0x7f/0xa0 [ 1144.838836] cleanup_mnt+0x186/0x2c0 [ 1144.842539] task_work_run+0x11f/0x190 [ 1144.846490] exit_to_usermode_loop+0x1ad/0x200 [ 1144.851068] do_syscall_64+0x4a3/0x640 [ 1144.854993] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1144.860173] RIP: 0033:0x7f0273962657 [ 1144.863915] RSP: 002b:00007ffe3461bc08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 1144.871637] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0273962657 [ 1144.878969] RDX: 00007ffe3461bccb RSI: 000000000000000a RDI: 00007ffe3461bcc0 [ 1144.886283] RBP: 00007ffe3461bcc0 R08: 00000000ffffffff R09: 00007ffe3461baa0 [ 1144.893666] R10: 0000555555608683 R11: 0000000000000202 R12: 00007ffe3461cd30 [ 1144.901057] R13: 00005555556085f0 R14: 00007ffe3461bc30 R15: 00000000000000d4 [ 1144.908416] [ 1144.908416] Showing all locks held in the system: [ 1144.914797] 1 lock held by khungtaskd/1535: [ 1144.919346] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a [ 1144.928455] 1 lock held by syz-executor306/7964: [ 1144.933203] #0: (&type->s_umount_key#38){++++}, at: [] deactivate_super+0x77/0xa0 [ 1144.942711] [ 1144.944397] ============================================= [ 1144.944397] [ 1144.951398] NMI backtrace for cpu 0 [ 1144.955063] CPU: 0 PID: 1535 Comm: khungtaskd Not tainted 4.14.294-syzkaller #0 [ 1144.962498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 1144.971837] Call Trace: [ 1144.974416] dump_stack+0x1b2/0x281 [ 1144.978026] nmi_cpu_backtrace.cold+0x57/0x93 [ 1144.982519] ? irq_force_complete_move+0x350/0x350 [ 1144.987452] nmi_trigger_cpumask_backtrace+0x13a/0x180 [ 1144.992711] watchdog+0x5b9/0xb40 [ 1144.996146] ? hungtask_pm_notify+0x50/0x50 [ 1145.000467] kthread+0x30d/0x420 [ 1145.003815] ? kthread_create_on_node+0xd0/0xd0 [ 1145.008463] ret_from_fork+0x24/0x30 [ 1145.012247] Sending NMI from CPU 0 to CPUs 1: [ 1145.017108] NMI backtrace for cpu 1 [ 1145.017112] CPU: 1 PID: 4625 Comm: systemd-journal Not tainted 4.14.294-syzkaller #0 [ 1145.017116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 1145.017119] task: ffff8880a122a180 task.stack: ffff8880a1230000 [ 1145.017122] RIP: 0010:__sanitizer_cov_trace_pc+0x23/0x50 [ 1145.017125] RSP: 0018:ffff8880a1237cf8 EFLAGS: 00000246 [ 1145.017130] RAX: ffff8880a122a180 RBX: 0000000000002068 RCX: dffffc0000000000 [ 1145.017133] RDX: 0000000000000000 RSI: 0000000000800000 RDI: ffff8880a0c4c10c [ 1145.017136] RBP: ffff8880a1237e20 R08: ffffffff8b9c9a28 R09: 0000000000000000 [ 1145.017140] R10: ffff8880a122aa30 R11: 0000000000000000 R12: ffff8880a5fc2b80 [ 1145.017143] R13: 0000000000000000 R14: ffff8880a0c4c100 R15: 0000000000000000 [ 1145.017147] FS: 00007f36852028c0(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 [ 1145.017150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1145.017153] CR2: 00007f36825e4010 CR3: 00000000a14c5000 CR4: 00000000003406e0 [ 1145.017156] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1145.017160] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1145.017162] Call Trace: [ 1145.017164] setattr_prepare+0x80/0x530 [ 1145.017166] shmem_setattr+0x98/0xbf0 [ 1145.017168] ? shmem_fallocate+0xb90/0xb90 [ 1145.017170] notify_change+0x56b/0xd10 [ 1145.017173] do_truncate+0xff/0x1a0 [ 1145.017175] ? finish_open+0x170/0x170 [ 1145.017177] ? apparmor_path_truncate+0x163/0x1d0 [ 1145.017180] do_sys_ftruncate.constprop.0+0x3a3/0x480 [ 1145.017182] ? compat_SyS_truncate+0x40/0x40 [ 1145.017184] do_syscall_64+0x1d5/0x640 [ 1145.017187] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 1145.017189] RIP: 0033:0x7f36844c4ec7 [ 1145.017192] RSP: 002b:00007ffc4b5ddd68 EFLAGS: 00000202 ORIG_RAX: 000000000000004d [ 1145.017197] RAX: ffffffffffffffda RBX: 00007ffc4b5ddda0 RCX: 00007f36844c4ec7 [ 1145.017201] RDX: 000055ee483ffe80 RSI: 0000000000800000 RDI: 0000000000000010 [ 1145.017204] RBP: 00007ffc4b5ddd98 R08: 0000000000000008 R09: 000055ee4840025c [ 1145.017208] R10: 000055ee484001e0 R11: 0000000000000202 R12: 000055ee484001e0 [ 1145.017211] R13: 00007ffc4b5dde98 R14: 000055ee46c30958 R15: 0005e97e24e8618f [ 1145.017212] Code: 90 90 90 90 90 90 90 90 65 48 8b 04 25 c0 7f 02 00 48 85 c0 74 1a 65 8b 15 7b 37 ad 7e 81 e2 00 01 1f 00 75 0b 8b 90 58 13 00 00 <83> fa 01 74 01 c3 48 8b 34 24 48 8b 88 60 13 00 00 8b 80 5c 13 [ 1145.018164] Kernel panic - not syncing: hung_task: blocked tasks [ 1145.249468] CPU: 0 PID: 1535 Comm: khungtaskd Not tainted 4.14.294-syzkaller #0 [ 1145.256892] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 1145.266310] Call Trace: [ 1145.268881] dump_stack+0x1b2/0x281 [ 1145.272487] panic+0x1f9/0x42d [ 1145.275657] ? add_taint.cold+0x16/0x16 [ 1145.279612] watchdog+0x5ca/0xb40 [ 1145.283044] ? hungtask_pm_notify+0x50/0x50 [ 1145.287344] kthread+0x30d/0x420 [ 1145.290689] ? kthread_create_on_node+0xd0/0xd0 [ 1145.295336] ret_from_fork+0x24/0x30 [ 1145.299304] Kernel Offset: disabled [ 1145.302920] Rebooting in 86400 seconds..