INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes [ 706.894545] audit: type=1400 audit(1569640621.273:7): avc: denied { map } for pid=1885 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 875.141038] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.140' (ECDSA) to the list of known hosts. [ 880.556828] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program [ 880.653187] audit: type=1400 audit(1569640795.033:8): avc: denied { map } for pid=1930 comm="syz-executor193" path="/root/syz-executor193454166" dev="sda1" ino=16461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes [ 1144.790241] INFO: task syz-executor193:1935 blocked for more than 140 seconds. [ 1144.797706] Not tainted 4.14.146+ #0 [ 1144.802527] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1144.810526] syz-executor193 D28352 1935 1930 0x00000000 [ 1144.816137] Call Trace: [ 1144.818716] ? __schedule+0x88c/0x1f80 [ 1144.822764] ? __sched_text_start+0x8/0x8 [ 1144.826910] ? lock_downgrade+0x5d0/0x5d0 [ 1144.831228] ? lock_acquire+0x12b/0x360 [ 1144.835194] ? __mutex_lock+0x2dc/0x13e0 [ 1144.839248] schedule+0x92/0x1c0 [ 1144.842670] schedule_preempt_disabled+0x13/0x20 [ 1144.847416] __mutex_lock+0x595/0x13e0 [ 1144.851337] ? lo_open+0x19/0xb0 [ 1144.854712] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1144.860195] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1144.865653] ? lock_downgrade+0x5d0/0x5d0 [ 1144.869784] ? check_preemption_disabled+0x35/0x1f0 [ 1144.874836] ? lo_compat_ioctl+0x160/0x160 [ 1144.879075] ? lo_open+0x19/0xb0 [ 1144.882639] lo_open+0x19/0xb0 [ 1144.885824] __blkdev_get+0x267/0xf90 [ 1144.889616] ? __blkdev_put+0x6d0/0x6d0 [ 1144.893621] ? fsnotify+0x8b0/0x1150 [ 1144.897326] blkdev_get+0x97/0x8b0 [ 1144.900928] ? bd_acquire+0x171/0x2c0 [ 1144.904715] ? bd_may_claim+0xd0/0xd0 [ 1144.908491] ? lock_downgrade+0x5d0/0x5d0 [ 1144.912862] ? lock_acquire+0x12b/0x360 [ 1144.916825] ? bd_acquire+0x21/0x2c0 [ 1144.920581] ? do_raw_spin_unlock+0x50/0x220 [ 1144.924996] blkdev_open+0x1cc/0x250 [ 1144.928686] ? security_file_open+0x88/0x190 [ 1144.933552] do_dentry_open+0x44e/0xe20 [ 1144.937512] ? bd_acquire+0x2c0/0x2c0 [ 1144.941354] vfs_open+0x105/0x230 [ 1144.944819] path_openat+0xb6c/0x2be0 [ 1144.948603] ? path_mountpoint+0x9a0/0x9a0 [ 1144.952942] ? trace_hardirqs_on+0x10/0x10 [ 1144.957199] ? lock_downgrade+0x5d0/0x5d0 [ 1144.961389] ? lock_acquire+0x12b/0x360 [ 1144.965376] do_filp_open+0x1a1/0x280 [ 1144.969163] ? may_open_dev+0xe0/0xe0 [ 1144.973017] ? lock_downgrade+0x5d0/0x5d0 [ 1144.977166] ? lock_acquire+0x12b/0x360 [ 1144.981180] ? __alloc_fd+0x3f/0x490 [ 1144.984888] ? do_raw_spin_unlock+0x50/0x220 [ 1144.989276] ? _raw_spin_unlock+0x29/0x40 [ 1144.993459] ? __alloc_fd+0x1bf/0x490 [ 1144.997253] do_sys_open+0x2ca/0x590 [ 1145.001009] ? filp_open+0x60/0x60 [ 1145.004543] ? do_clock_gettime+0xd0/0xd0 [ 1145.008667] ? do_syscall_64+0x43/0x520 [ 1145.012667] ? do_sys_open+0x590/0x590 [ 1145.016543] do_syscall_64+0x19b/0x520 [ 1145.020466] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.025643] RIP: 0033:0x4012a0 [ 1145.028808] RSP: 002b:00007ffeaca73ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1145.036547] RAX: ffffffffffffffda RBX: 00000000000007d0 RCX: 00000000004012a0 [ 1145.043833] RDX: 00007ffeaca73f0a RSI: 0000000000000002 RDI: 00007ffeaca73f00 [ 1145.051133] RBP: 00000000000d759c R08: 0000000000000000 R09: 000000000000000a [ 1145.058404] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004022c0 [ 1145.066119] R13: 0000000000402350 R14: 0000000000000000 R15: 0000000000000000 [ 1145.073635] INFO: task syz-executor193:2006 blocked for more than 140 seconds. [ 1145.081036] Not tainted 4.14.146+ #0 [ 1145.085255] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.093266] syz-executor193 D28352 2006 1934 0x00000004 [ 1145.098886] Call Trace: [ 1145.101509] ? __schedule+0x88c/0x1f80 [ 1145.105400] ? __sched_text_start+0x8/0x8 [ 1145.109526] ? lock_downgrade+0x5d0/0x5d0 [ 1145.113705] ? lock_acquire+0x12b/0x360 [ 1145.117685] ? __mutex_lock+0x2dc/0x13e0 [ 1145.121786] schedule+0x92/0x1c0 [ 1145.125140] schedule_preempt_disabled+0x13/0x20 [ 1145.129871] __mutex_lock+0x595/0x13e0 [ 1145.133784] ? lo_release+0x1b/0x1a0 [ 1145.137491] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1145.142991] ? lock_downgrade+0x5d0/0x5d0 [ 1145.147135] ? lo_open+0xb0/0xb0 [ 1145.150531] ? lo_release+0x1b/0x1a0 [ 1145.154241] lo_release+0x1b/0x1a0 [ 1145.157757] ? lo_open+0xb0/0xb0 [ 1145.161159] __blkdev_put+0x518/0x6d0 [ 1145.164953] ? bd_set_size+0xb0/0xb0 [ 1145.168663] ? blkdev_put+0x75/0x4c0 [ 1145.172412] ? blkdev_put+0x4c0/0x4c0 [ 1145.176201] blkdev_close+0x86/0xb0 [ 1145.179806] __fput+0x25e/0x710 [ 1145.183141] task_work_run+0x125/0x1a0 [ 1145.187026] exit_to_usermode_loop+0x13b/0x160 [ 1145.192084] do_syscall_64+0x3a3/0x520 [ 1145.195969] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.201201] RIP: 0033:0x401240 [ 1145.204376] RSP: 002b:00007ffeaca73ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1145.212120] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000401240 [ 1145.219384] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 1145.226925] RBP: 0000000000000004 R08: 0000000000000000 R09: 000000000000000c [ 1145.234249] R10: 0000000000000064 R11: 0000000000000246 R12: 0000000000000000 [ 1145.241545] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 1145.248824] INFO: task syz-executor193:2011 blocked for more than 140 seconds. [ 1145.256223] Not tainted 4.14.146+ #0 [ 1145.260466] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.268409] syz-executor193 D28336 2011 1936 0x00000004 [ 1145.274067] Call Trace: [ 1145.276650] ? __schedule+0x88c/0x1f80 [ 1145.280580] ? __sched_text_start+0x8/0x8 [ 1145.284717] ? lock_downgrade+0x5d0/0x5d0 [ 1145.288840] ? lock_acquire+0x12b/0x360 [ 1145.292841] ? __mutex_lock+0x2dc/0x13e0 [ 1145.296904] schedule+0x92/0x1c0 [ 1145.300313] schedule_preempt_disabled+0x13/0x20 [ 1145.305056] __mutex_lock+0x595/0x13e0 [ 1145.308919] ? blkdev_reread_part+0x1b/0x40 [ 1145.313286] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1145.318728] ? trace_hardirqs_on_caller+0x37b/0x540 [ 1145.324184] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1145.329277] ? __wake_up_common_lock+0xe0/0x170 [ 1145.334269] ? blk_mq_unfreeze_queue+0x49/0x80 [ 1145.338865] ? blkdev_reread_part+0x1b/0x40 [ 1145.343239] blkdev_reread_part+0x1b/0x40 [ 1145.347382] loop_reread_partitions+0x7f/0x90 [ 1145.351918] loop_set_status+0xbff/0x11f0 [ 1145.356066] loop_set_status64+0xa5/0x100 [ 1145.360292] ? loop_set_status_old+0x2f0/0x2f0 [ 1145.364881] ? lo_ioctl+0x86/0x1a30 [ 1145.368513] lo_ioctl+0xd1/0x1a30 [ 1145.372046] ? loop_clr_fd+0xad0/0xad0 [ 1145.375957] blkdev_ioctl+0x8d0/0x1870 [ 1145.379849] ? blkpg_ioctl+0x910/0x910 [ 1145.383807] ? lock_downgrade+0x5d0/0x5d0 [ 1145.387962] ? lock_acquire+0x12b/0x360 [ 1145.392158] ? debug_check_no_obj_freed+0x148/0x5c0 [ 1145.397190] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1145.402338] ? trace_hardirqs_on_caller+0x37b/0x540 [ 1145.407352] block_ioctl+0xd9/0x120 [ 1145.411007] ? blkdev_fallocate+0x3b0/0x3b0 [ 1145.415315] do_vfs_ioctl+0xabe/0x1040 [ 1145.419181] ? selinux_file_ioctl+0x426/0x590 [ 1145.423699] ? selinux_file_ioctl+0x116/0x590 [ 1145.428187] ? ioctl_preallocate+0x1e0/0x1e0 [ 1145.432619] ? selinux_socket_sock_rcv_skb+0x610/0x610 [ 1145.437881] ? rcu_read_lock_sched_held+0x10a/0x130 [ 1145.442927] ? putname+0xcd/0x110 [ 1145.446374] ? do_sys_open+0x255/0x590 [ 1145.450696] ? filp_open+0x60/0x60 [ 1145.454226] ? security_file_ioctl+0x7c/0xb0 [ 1145.458614] SyS_ioctl+0x7f/0xb0 [ 1145.462015] ? do_vfs_ioctl+0x1040/0x1040 [ 1145.466161] do_syscall_64+0x19b/0x520 [ 1145.470095] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.475278] RIP: 0033:0x4414b7 [ 1145.478461] RSP: 002b:00007ffeaca73ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 1145.486200] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004414b7 [ 1145.493497] RDX: 00007ffeaca73d40 RSI: 0000000000004c04 RDI: 0000000000000005 [ 1145.500789] RBP: 0000000000000004 R08: 0000000000000000 R09: 000000000000000a [ 1145.508052] R10: 0000000000000075 R11: 0000000000000202 R12: 00000000004022c0 [ 1145.515467] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 1145.522801] INFO: task syz-executor193:2018 blocked for more than 140 seconds. [ 1145.530195] Not tainted 4.14.146+ #0 [ 1145.534434] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.542471] syz-executor193 D28176 2018 1931 0x00000004 [ 1145.548110] Call Trace: [ 1145.550746] ? __schedule+0x88c/0x1f80 [ 1145.554629] ? __sched_text_start+0x8/0x8 [ 1145.558762] ? lock_downgrade+0x5d0/0x5d0 [ 1145.562943] ? lock_acquire+0x12b/0x360 [ 1145.566906] ? __mutex_lock+0x2dc/0x13e0 [ 1145.571024] schedule+0x92/0x1c0 [ 1145.574380] schedule_preempt_disabled+0x13/0x20 [ 1145.579117] __mutex_lock+0x595/0x13e0 [ 1145.583465] ? blkdev_reread_part+0x1b/0x40 [ 1145.587792] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1145.593286] ? trace_hardirqs_on_caller+0x37b/0x540 [ 1145.598294] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1145.603427] ? __wake_up_common_lock+0xe0/0x170 [ 1145.608085] ? blk_mq_unfreeze_queue+0x49/0x80 [ 1145.612769] ? blkdev_reread_part+0x1b/0x40 [ 1145.617087] blkdev_reread_part+0x1b/0x40 [ 1145.621306] loop_reread_partitions+0x7f/0x90 [ 1145.625813] loop_set_status+0xbff/0x11f0 [ 1145.629951] loop_set_status64+0xa5/0x100 [ 1145.634148] ? loop_set_status_old+0x2f0/0x2f0 [ 1145.638725] ? lo_ioctl+0x86/0x1a30 [ 1145.642416] lo_ioctl+0xd1/0x1a30 [ 1145.645868] ? loop_clr_fd+0xad0/0xad0 [ 1145.649735] blkdev_ioctl+0x8d0/0x1870 [ 1145.653660] ? blkpg_ioctl+0x910/0x910 [ 1145.657548] ? lock_downgrade+0x5d0/0x5d0 [ 1145.661723] ? lock_acquire+0x12b/0x360 [ 1145.665700] ? debug_check_no_obj_freed+0x148/0x5c0 [ 1145.670761] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1145.675872] ? trace_hardirqs_on_caller+0x37b/0x540 [ 1145.680927] block_ioctl+0xd9/0x120 [ 1145.684541] ? blkdev_fallocate+0x3b0/0x3b0 [ 1145.688844] do_vfs_ioctl+0xabe/0x1040 [ 1145.692767] ? selinux_file_ioctl+0x426/0x590 [ 1145.697248] ? selinux_file_ioctl+0x116/0x590 [ 1145.701794] ? ioctl_preallocate+0x1e0/0x1e0 [ 1145.706200] ? selinux_socket_sock_rcv_skb+0x610/0x610 [ 1145.711944] ? rcu_read_lock_sched_held+0x10a/0x130 [ 1145.716952] ? putname+0xcd/0x110 [ 1145.720441] ? do_sys_open+0x255/0x590 [ 1145.724321] ? filp_open+0x60/0x60 [ 1145.727842] ? security_file_ioctl+0x7c/0xb0 [ 1145.732311] SyS_ioctl+0x7f/0xb0 [ 1145.735679] ? do_vfs_ioctl+0x1040/0x1040 [ 1145.739808] do_syscall_64+0x19b/0x520 [ 1145.743737] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.748920] RIP: 0033:0x4414b7 [ 1145.752221] RSP: 002b:00007ffeaca73ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 1145.759921] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004414b7 [ 1145.767236] RDX: 00007ffeaca73d40 RSI: 0000000000004c04 RDI: 0000000000000005 [ 1145.774533] RBP: 0000000000000004 R08: 0000000000000000 R09: 000000000000000a [ 1145.781819] R10: 0000000000000075 R11: 0000000000000202 R12: 00000000004022c0 [ 1145.789076] R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 [ 1145.796410] INFO: task blkid:2019 blocked for more than 140 seconds. [ 1145.802925] Not tainted 4.14.146+ #0 [ 1145.807134] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.815142] blkid D28448 2019 305 0x00000004 [ 1145.820790] Call Trace: [ 1145.823365] ? __schedule+0x88c/0x1f80 [ 1145.827228] ? lock_downgrade+0x5d0/0x5d0 [ 1145.831416] ? __sched_text_start+0x8/0x8 [ 1145.835552] ? lock_downgrade+0x5d0/0x5d0 [ 1145.839685] ? lock_acquire+0x12b/0x360 [ 1145.844118] ? __mutex_lock+0x2dc/0x13e0 [ 1145.848172] schedule+0x92/0x1c0 [ 1145.851572] schedule_preempt_disabled+0x13/0x20 [ 1145.856316] __mutex_lock+0x595/0x13e0 [ 1145.860230] ? blkdev_put+0x27/0x4c0 [ 1145.863940] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1145.869367] ? fsnotify+0x8b0/0x1150 [ 1145.873113] ? trace_hardirqs_on+0x10/0x10 [ 1145.877370] ? vfs_lock_file+0x190/0x190 [ 1145.881479] ? __fsnotify_inode_delete+0x20/0x20 [ 1145.886226] ? __fsnotify_update_child_dentry_flags.part.0+0x2e0/0x2e0 [ 1145.892936] ? blkdev_put+0x4c0/0x4c0 [ 1145.896727] ? blkdev_put+0x27/0x4c0 [ 1145.900473] blkdev_put+0x27/0x4c0 [ 1145.904002] ? blkdev_put+0x4c0/0x4c0 [ 1145.907781] blkdev_close+0x86/0xb0 [ 1145.911467] __fput+0x25e/0x710 [ 1145.914743] task_work_run+0x125/0x1a0 [ 1145.918611] exit_to_usermode_loop+0x13b/0x160 [ 1145.923254] do_syscall_64+0x3a3/0x520 [ 1145.927135] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1145.932351] RIP: 0033:0x7f2d7e0982b0 [ 1145.936047] RSP: 002b:00007ffd178e47d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 1145.943785] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2d7e0982b0 [ 1145.951100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1145.958352] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 1145.965660] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000015da030 [ 1145.973298] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000005 [ 1145.980633] INFO: task blkid:2021 blocked for more than 140 seconds. [ 1145.987123] Not tainted 4.14.146+ #0 [ 1145.991391] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1145.999355] blkid D28336 2021 1940 0x00000004 [ 1146.005213] Call Trace: [ 1146.007794] ? __schedule+0x88c/0x1f80 [ 1146.011748] ? __sched_text_start+0x8/0x8 [ 1146.015888] ? lock_downgrade+0x5d0/0x5d0 [ 1146.020063] ? lock_acquire+0x12b/0x360 [ 1146.024027] ? __mutex_lock+0x2dc/0x13e0 [ 1146.028068] schedule+0x92/0x1c0 [ 1146.031466] schedule_preempt_disabled+0x13/0x20 [ 1146.036211] __mutex_lock+0x595/0x13e0 [ 1146.040317] ? lo_open+0x19/0xb0 [ 1146.043688] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1146.049280] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1146.054827] ? lock_downgrade+0x5d0/0x5d0 [ 1146.058976] ? check_preemption_disabled+0x35/0x1f0 [ 1146.064040] ? lo_compat_ioctl+0x160/0x160 [ 1146.068259] ? lo_open+0x19/0xb0 [ 1146.071701] lo_open+0x19/0xb0 [ 1146.075039] __blkdev_get+0x267/0xf90 [ 1146.078837] ? __blkdev_put+0x6d0/0x6d0 [ 1146.082848] ? fsnotify+0x8b0/0x1150 [ 1146.086554] blkdev_get+0x97/0x8b0 [ 1146.090145] ? bd_acquire+0x171/0x2c0 [ 1146.093937] ? bd_may_claim+0xd0/0xd0 [ 1146.097718] ? lock_downgrade+0x5d0/0x5d0 [ 1146.102339] ? lock_acquire+0x12b/0x360 [ 1146.106299] ? bd_acquire+0x21/0x2c0 [ 1146.109992] ? do_raw_spin_unlock+0x50/0x220 [ 1146.114442] blkdev_open+0x1cc/0x250 [ 1146.118142] ? security_file_open+0x88/0x190 [ 1146.122584] do_dentry_open+0x44e/0xe20 [ 1146.126557] ? bd_acquire+0x2c0/0x2c0 [ 1146.130392] vfs_open+0x105/0x230 [ 1146.133838] path_openat+0xb6c/0x2be0 [ 1146.137621] ? path_mountpoint+0x9a0/0x9a0 [ 1146.141905] ? trace_hardirqs_on+0x10/0x10 [ 1146.146137] do_filp_open+0x1a1/0x280 [ 1146.149918] ? may_open_dev+0xe0/0xe0 [ 1146.153771] ? lock_downgrade+0x5d0/0x5d0 [ 1146.157916] ? lock_acquire+0x12b/0x360 [ 1146.161926] ? __alloc_fd+0x3f/0x490 [ 1146.165660] ? do_raw_spin_unlock+0x50/0x220 [ 1146.170096] ? _raw_spin_unlock+0x29/0x40 [ 1146.174232] ? __alloc_fd+0x1bf/0x490 [ 1146.178018] do_sys_open+0x2ca/0x590 [ 1146.181770] ? filp_open+0x60/0x60 [ 1146.185313] ? do_syscall_64+0x43/0x520 [ 1146.189295] ? do_sys_open+0x590/0x590 [ 1146.193218] do_syscall_64+0x19b/0x520 [ 1146.197108] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.202331] RIP: 0033:0x7fccae997120 [ 1146.206025] RSP: 002b:00007ffed6e47de8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1146.213771] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fccae997120 [ 1146.221243] RDX: 00007ffed6e49f41 RSI: 0000000000000000 RDI: 00007ffed6e49f41 [ 1146.228649] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1146.236400] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001784030 [ 1146.243683] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1146.251001] INFO: task syz-executor193:2024 blocked for more than 140 seconds. [ 1146.258349] Not tainted 4.14.146+ #0 [ 1146.262613] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.270600] syz-executor193 D28240 2024 1933 0x00000004 [ 1146.276211] Call Trace: [ 1146.278783] ? __schedule+0x88c/0x1f80 [ 1146.282726] ? __sched_text_start+0x8/0x8 [ 1146.286864] ? lock_downgrade+0x5d0/0x5d0 [ 1146.291205] ? lock_acquire+0x12b/0x360 [ 1146.295167] ? __mutex_lock+0x2dc/0x13e0 [ 1146.299205] schedule+0x92/0x1c0 [ 1146.302607] schedule_preempt_disabled+0x13/0x20 [ 1146.307352] __mutex_lock+0x595/0x13e0 [ 1146.311266] ? loop_control_ioctl+0x183/0x310 [ 1146.315840] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1146.321360] ? putname+0xcd/0x110 [ 1146.324816] ? do_syscall_64+0x19b/0x520 [ 1146.328866] ? __radix_tree_lookup+0x180/0x220 [ 1146.333490] ? finish_mkwrite_fault+0x4e0/0x4e0 [ 1146.338396] ? loop_control_ioctl+0x183/0x310 [ 1146.343040] loop_control_ioctl+0x183/0x310 [ 1146.347354] ? loop_probe+0x180/0x180 [ 1146.351242] ? loop_probe+0x180/0x180 [ 1146.355038] do_vfs_ioctl+0xabe/0x1040 [ 1146.358909] ? selinux_file_ioctl+0x426/0x590 [ 1146.363864] ? selinux_file_ioctl+0x116/0x590 [ 1146.368344] ? ioctl_preallocate+0x1e0/0x1e0 [ 1146.372787] ? selinux_socket_sock_rcv_skb+0x610/0x610 [ 1146.378211] ? __do_page_fault+0x49f/0xbb0 [ 1146.382516] ? lock_downgrade+0x53b/0x5d0 [ 1146.386678] ? security_file_ioctl+0x7c/0xb0 [ 1146.391291] SyS_ioctl+0x7f/0xb0 [ 1146.394806] ? do_vfs_ioctl+0x1040/0x1040 [ 1146.398952] do_syscall_64+0x19b/0x520 [ 1146.402891] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.408071] RIP: 0033:0x4415a9 [ 1146.411355] RSP: 002b:00007ffeaca73ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1146.419051] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004415a9 [ 1146.426367] RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000003 [ 1146.433675] RBP: 00000000000d74f9 R08: 0000000000000001 R09: 0000000000000001 [ 1146.441018] R10: 0000000000000004 R11: 0000000000000246 R12: 00000000004022c0 [ 1146.448289] R13: 0000000000402350 R14: 0000000000000000 R15: 0000000000000000 [ 1146.455641] INFO: task blkid:2026 blocked for more than 140 seconds. [ 1146.462183] Not tainted 4.14.146+ #0 [ 1146.466399] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.474402] blkid D28448 2026 1945 0x00000004 [ 1146.480075] Call Trace: [ 1146.482649] ? __schedule+0x88c/0x1f80 [ 1146.486538] ? __sched_text_start+0x8/0x8 [ 1146.491330] ? lock_downgrade+0x5d0/0x5d0 [ 1146.495479] ? lock_acquire+0x12b/0x360 [ 1146.499448] ? __mutex_lock+0x2dc/0x13e0 [ 1146.503567] schedule+0x92/0x1c0 [ 1146.506938] schedule_preempt_disabled+0x13/0x20 [ 1146.511734] __mutex_lock+0x595/0x13e0 [ 1146.515610] ? lo_open+0x19/0xb0 [ 1146.518964] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1146.524454] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1146.529902] ? kobject_get_unless_zero+0x27/0x40 [ 1146.534692] ? get_disk+0xd0/0xd0 [ 1146.538138] ? exact_match+0x9/0x20 [ 1146.541813] ? blkdev_ioctl+0x1870/0x1870 [ 1146.545985] ? lo_compat_ioctl+0x160/0x160 [ 1146.550285] ? lo_open+0x19/0xb0 [ 1146.553647] lo_open+0x19/0xb0 [ 1146.556824] __blkdev_get+0x963/0xf90 [ 1146.560768] ? __blkdev_put+0x6d0/0x6d0 [ 1146.564758] ? fsnotify+0x8b0/0x1150 [ 1146.568462] blkdev_get+0x97/0x8b0 [ 1146.572055] ? bd_acquire+0x171/0x2c0 [ 1146.575846] ? bd_may_claim+0xd0/0xd0 [ 1146.579638] ? lock_downgrade+0x5d0/0x5d0 [ 1146.583832] ? lock_acquire+0x12b/0x360 [ 1146.587794] ? bd_acquire+0x21/0x2c0 [ 1146.591619] ? do_raw_spin_unlock+0x50/0x220 [ 1146.596051] blkdev_open+0x1cc/0x250 [ 1146.599742] ? security_file_open+0x88/0x190 [ 1146.604194] do_dentry_open+0x44e/0xe20 [ 1146.608156] ? bd_acquire+0x2c0/0x2c0 [ 1146.612132] vfs_open+0x105/0x230 [ 1146.615584] path_openat+0xb6c/0x2be0 [ 1146.619372] ? path_mountpoint+0x9a0/0x9a0 [ 1146.624108] ? trace_hardirqs_on+0x10/0x10 [ 1146.628342] do_filp_open+0x1a1/0x280 [ 1146.632211] ? may_open_dev+0xe0/0xe0 [ 1146.636013] ? lock_downgrade+0x5d0/0x5d0 [ 1146.640189] ? lock_acquire+0x12b/0x360 [ 1146.644151] ? __alloc_fd+0x3f/0x490 [ 1146.647967] ? do_raw_spin_unlock+0x50/0x220 [ 1146.652437] ? _raw_spin_unlock+0x29/0x40 [ 1146.656577] ? __alloc_fd+0x1bf/0x490 [ 1146.660424] do_sys_open+0x2ca/0x590 [ 1146.664131] ? filp_open+0x60/0x60 [ 1146.667660] ? do_syscall_64+0x43/0x520 [ 1146.671666] ? do_sys_open+0x590/0x590 [ 1146.675542] do_syscall_64+0x19b/0x520 [ 1146.679426] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.684643] RIP: 0033:0x7f96bcbdd120 [ 1146.688342] RSP: 002b:00007ffdfe2b1df8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1146.696090] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96bcbdd120 [ 1146.703389] RDX: 00007ffdfe2b3f41 RSI: 0000000000000000 RDI: 00007ffdfe2b3f41 [ 1146.710680] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1146.717940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001e6e030 [ 1146.725239] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1146.732545] INFO: task blkid:2027 blocked for more than 140 seconds. [ 1146.739016] Not tainted 4.14.146+ #0 [ 1146.743304] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1146.751621] blkid D27808 2027 304 0x00000004 [ 1146.757233] Call Trace: [ 1146.759816] ? __schedule+0x88c/0x1f80 [ 1146.763790] ? __sched_text_start+0x8/0x8 [ 1146.767966] ? lock_downgrade+0x5d0/0x5d0 [ 1146.772171] ? lock_acquire+0x12b/0x360 [ 1146.776138] ? __mutex_lock+0x2dc/0x13e0 [ 1146.780264] schedule+0x92/0x1c0 [ 1146.783624] schedule_preempt_disabled+0x13/0x20 [ 1146.788355] __mutex_lock+0x595/0x13e0 [ 1146.792277] ? lo_open+0x19/0xb0 [ 1146.795639] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1146.801129] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1146.806580] ? kobject_get_unless_zero+0x27/0x40 [ 1146.811377] ? get_disk+0xd0/0xd0 [ 1146.814826] ? exact_match+0x9/0x20 [ 1146.818438] ? blkdev_ioctl+0x1870/0x1870 [ 1146.822627] ? lo_compat_ioctl+0x160/0x160 [ 1146.826848] ? lo_open+0x19/0xb0 [ 1146.830244] lo_open+0x19/0xb0 [ 1146.833427] __blkdev_get+0x963/0xf90 [ 1146.837231] ? __blkdev_put+0x6d0/0x6d0 [ 1146.841248] ? fsnotify+0x8b0/0x1150 [ 1146.844954] blkdev_get+0x97/0x8b0 [ 1146.848478] ? bd_acquire+0x171/0x2c0 [ 1146.852316] ? bd_may_claim+0xd0/0xd0 [ 1146.856310] ? lock_downgrade+0x5d0/0x5d0 [ 1146.860524] ? lock_acquire+0x12b/0x360 [ 1146.864589] ? bd_acquire+0x21/0x2c0 [ 1146.868291] ? do_raw_spin_unlock+0x50/0x220 [ 1146.872778] blkdev_open+0x1cc/0x250 [ 1146.876611] ? security_file_open+0x88/0x190 [ 1146.881484] do_dentry_open+0x44e/0xe20 [ 1146.885501] ? bd_acquire+0x2c0/0x2c0 [ 1146.889329] vfs_open+0x105/0x230 [ 1146.892835] path_openat+0xb6c/0x2be0 [ 1146.896697] ? path_mountpoint+0x9a0/0x9a0 [ 1146.900972] ? trace_hardirqs_on+0x10/0x10 [ 1146.905208] do_filp_open+0x1a1/0x280 [ 1146.908992] ? may_open_dev+0xe0/0xe0 [ 1146.912844] ? lock_downgrade+0x5d0/0x5d0 [ 1146.916987] ? lock_acquire+0x12b/0x360 [ 1146.921039] ? __alloc_fd+0x3f/0x490 [ 1146.924752] ? do_raw_spin_unlock+0x50/0x220 [ 1146.929140] ? _raw_spin_unlock+0x29/0x40 [ 1146.933325] ? __alloc_fd+0x1bf/0x490 [ 1146.937119] do_sys_open+0x2ca/0x590 [ 1146.940955] ? filp_open+0x60/0x60 [ 1146.944498] ? do_syscall_64+0x43/0x520 [ 1146.948448] ? do_sys_open+0x590/0x590 [ 1146.952368] do_syscall_64+0x19b/0x520 [ 1146.956255] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1146.961474] RIP: 0033:0x7f964549c120 [ 1146.965175] RSP: 002b:00007fffec5697b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1146.972916] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f964549c120 [ 1146.980217] RDX: 00007fffec56bf44 RSI: 0000000000000000 RDI: 00007fffec56bf44 [ 1146.987467] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1146.994776] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000001787030 [ 1147.002079] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1147.009347] INFO: task blkid:2028 blocked for more than 140 seconds. [ 1147.016306] Not tainted 4.14.146+ #0 [ 1147.020548] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1147.028492] blkid D28464 2028 1944 0x00000004 [ 1147.034196] Call Trace: [ 1147.036781] ? __schedule+0x88c/0x1f80 [ 1147.040718] ? __sched_text_start+0x8/0x8 [ 1147.044860] ? lock_downgrade+0x5d0/0x5d0 [ 1147.048985] ? lock_acquire+0x12b/0x360 [ 1147.053016] ? __mutex_lock+0x2dc/0x13e0 [ 1147.057160] schedule+0x92/0x1c0 [ 1147.060559] schedule_preempt_disabled+0x13/0x20 [ 1147.065302] __mutex_lock+0x595/0x13e0 [ 1147.069170] ? __blkdev_get+0xf3/0xf90 [ 1147.073111] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 1147.078704] ? kobject_get_unless_zero+0x27/0x40 [ 1147.083513] ? get_disk+0xd0/0xd0 [ 1147.086957] ? exact_match+0x9/0x20 [ 1147.090650] ? kobj_lookup+0x325/0x410 [ 1147.094539] ? blkdev_ioctl+0x1870/0x1870 [ 1147.098671] ? __blkdev_get+0xf3/0xf90 [ 1147.102593] __blkdev_get+0xf3/0xf90 [ 1147.106493] ? __blkdev_put+0x6d0/0x6d0 [ 1147.110507] ? fsnotify+0x8b0/0x1150 [ 1147.114219] blkdev_get+0x97/0x8b0 [ 1147.117741] ? bd_acquire+0x171/0x2c0 [ 1147.121577] ? bd_may_claim+0xd0/0xd0 [ 1147.125394] ? lock_downgrade+0x5d0/0x5d0 [ 1147.129518] ? lock_acquire+0x12b/0x360 [ 1147.133537] ? bd_acquire+0x21/0x2c0 [ 1147.137244] ? do_raw_spin_unlock+0x50/0x220 [ 1147.142118] blkdev_open+0x1cc/0x250 [ 1147.145815] ? security_file_open+0x88/0x190 [ 1147.150261] do_dentry_open+0x44e/0xe20 [ 1147.154226] ? bd_acquire+0x2c0/0x2c0 [ 1147.158008] vfs_open+0x105/0x230 [ 1147.161499] path_openat+0xb6c/0x2be0 [ 1147.165293] ? path_mountpoint+0x9a0/0x9a0 [ 1147.169511] ? trace_hardirqs_on+0x10/0x10 [ 1147.173828] do_filp_open+0x1a1/0x280 [ 1147.177647] ? may_open_dev+0xe0/0xe0 [ 1147.181523] ? lock_downgrade+0x5d0/0x5d0 [ 1147.185678] ? lock_acquire+0x12b/0x360 [ 1147.189639] ? __alloc_fd+0x3f/0x490 [ 1147.193408] ? do_raw_spin_unlock+0x50/0x220 [ 1147.197815] ? _raw_spin_unlock+0x29/0x40 [ 1147.201998] ? __alloc_fd+0x1bf/0x490 [ 1147.205884] do_sys_open+0x2ca/0x590 [ 1147.209577] ? filp_open+0x60/0x60 [ 1147.213173] ? do_syscall_64+0x43/0x520 [ 1147.217145] ? do_sys_open+0x590/0x590 [ 1147.221065] do_syscall_64+0x19b/0x520 [ 1147.224949] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1147.230331] RIP: 0033:0x7f5c79113120 [ 1147.234040] RSP: 002b:00007ffd249acb28 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 1147.241812] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c79113120 [ 1147.249084] RDX: 00007ffd249adf41 RSI: 0000000000000000 RDI: 00007ffd249adf41 [ 1147.256573] RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000 [ 1147.264930] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000139d030 [ 1147.272775] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005 [ 1147.280206] [ 1147.280206] Showing all locks held in the system: [ 1147.286511] 1 lock held by khungtaskd/23: [ 1147.290736] #0: (tasklist_lock){.+.+}, at: [< (ptrval)>] debug_show_all_locks+0x7c/0x21a [ 1147.299766] 1 lock held by rsyslogd/1633: [ 1147.303951] #0: (&f->f_pos_lock){+.+.}, at: [< (ptrval)>] __fdget_pos+0xb5/0xd0 [ 1147.312270] 2 locks held by getty/1760: [ 1147.316224] #0: (&tty->ldisc_sem){++++}, at: [< (ptrval)>] tty_ldisc_ref_wait+0x22/0x80 [ 1147.325274] #1: (&ldata->atomic_read_lock){+.+.}, at: [< (ptrval)>] n_tty_read+0x1f7/0x1700 [ 1147.334954] 2 locks held by syz-executor193/1935: [ 1147.341362] #0: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] __blkdev_get+0xf3/0xf90 [ 1147.350732] #1: (loop_index_mutex){+.+.}, at: [< (ptrval)>] lo_open+0x19/0xb0 [ 1147.358788] 2 locks held by syz-executor193/2006: [ 1147.363661] #0: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] __blkdev_put+0xb1/0x6d0 [ 1147.372203] #1: (loop_index_mutex){+.+.}, at: [< (ptrval)>] lo_release+0x1b/0x1a0 [ 1147.380654] 2 locks held by syz-executor193/2011: [ 1147.385480] #0: (&lo->lo_ctl_mutex/1){+.+.}, at: [< (ptrval)>] lo_ioctl+0x86/0x1a30 [ 1147.394275] #1: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] blkdev_reread_part+0x1b/0x40 [ 1147.404091] 2 locks held by syz-executor193/2018: [ 1147.409757] #0: (&lo->lo_ctl_mutex/1){+.+.}, at: [< (ptrval)>] lo_ioctl+0x86/0x1a30 [ 1147.418835] #1: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] blkdev_reread_part+0x1b/0x40 [ 1147.427827] 1 lock held by blkid/2019: [ 1147.431737] #0: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] blkdev_put+0x27/0x4c0 [ 1147.440102] 2 locks held by blkid/2021: [ 1147.444216] #0: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] __blkdev_get+0xf3/0xf90 [ 1147.452789] #1: (loop_index_mutex){+.+.}, at: [< (ptrval)>] lo_open+0x19/0xb0 [ 1147.460910] 2 locks held by syz-executor193/2024: [ 1147.465734] #0: (loop_index_mutex){+.+.}, at: [< (ptrval)>] loop_control_ioctl+0x71/0x310 [ 1147.474884] #1: (&lo->lo_ctl_mutex#2){+.+.}, at: [< (ptrval)>] loop_control_ioctl+0x183/0x310 [ 1147.484395] 2 locks held by blkid/2026: [ 1147.488353] #0: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] __blkdev_get+0xf3/0xf90 [ 1147.496886] #1: (loop_index_mutex){+.+.}, at: [< (ptrval)>] lo_open+0x19/0xb0 [ 1147.505077] 2 locks held by blkid/2027: [ 1147.509032] #0: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] __blkdev_get+0xf3/0xf90 [ 1147.517560] #1: (loop_index_mutex){+.+.}, at: [< (ptrval)>] lo_open+0x19/0xb0 [ 1147.525677] 1 lock held by blkid/2028: [ 1147.529541] #0: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] __blkdev_get+0xf3/0xf90 [ 1147.538080] 1 lock held by syz-executor193/2029: [ 1147.542867] #0: (loop_index_mutex){+.+.}, at: [< (ptrval)>] loop_control_ioctl+0x71/0x310 [ 1147.552018] 2 locks held by blkid/2030: [ 1147.555982] #0: (&bdev->bd_mutex){+.+.}, at: [< (ptrval)>] __blkdev_get+0xf3/0xf90 [ 1147.564668] #1: (loop_index_mutex){+.+.}, at: [< (ptrval)>] lo_open+0x19/0xb0 [ 1147.572791] [ 1147.574405] ============================================= [ 1147.574405] [ 1147.581745] NMI backtrace for cpu 0 [ 1147.585491] CPU: 0 PID: 23 Comm: khungtaskd Not tainted 4.14.146+ #0 [ 1147.591980] Call Trace: [ 1147.594554] dump_stack+0xca/0x134 [ 1147.598076] ? irq_force_complete_move+0x2b1/0x2e5 [ 1147.603068] nmi_cpu_backtrace.cold+0x47/0x86 [ 1147.607676] ? irq_force_complete_move.cold+0x7b/0x7b [ 1147.612868] nmi_trigger_cpumask_backtrace+0x119/0x147 [ 1147.618135] watchdog+0x629/0xbe0 [ 1147.621569] ? reset_hung_task_detector+0x30/0x30 [ 1147.626390] kthread+0x31f/0x430 [ 1147.629741] ? kthread_create_on_node+0xf0/0xf0 [ 1147.634397] ret_from_fork+0x3a/0x50 [ 1147.638191] Sending NMI from CPU 0 to CPUs 1: [ 1147.642774] NMI backtrace for cpu 1 skipped: idling at pc 0xffffffff94c9c503 [ 1147.643730] Kernel panic - not syncing: hung_task: blocked tasks [ 1147.656884] CPU: 0 PID: 23 Comm: khungtaskd Not tainted 4.14.146+ #0 [ 1147.663530] Call Trace: [ 1147.666101] dump_stack+0xca/0x134 [ 1147.669631] panic+0x1ea/0x3d3 [ 1147.672799] ? add_taint.cold+0x16/0x16 [ 1147.676754] ? irq_force_complete_move.cold+0x7b/0x7b [ 1147.682014] ? ___preempt_schedule+0x16/0x18 [ 1147.686405] watchdog+0x63a/0xbe0 [ 1147.689836] ? reset_hung_task_detector+0x30/0x30 [ 1147.694671] kthread+0x31f/0x430 [ 1147.698023] ? kthread_create_on_node+0xf0/0xf0 [ 1147.702679] ret_from_fork+0x3a/0x50 [ 1147.707195] Kernel Offset: 0x12400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 1147.718100] Rebooting in 86400 seconds..