forked to background, child pid 3185
no interfaces have a carrier
[ 26.511390][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0
[ 26.523954][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 76.187294][ T921] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts.
executing program
[ 490.557293][ T3640] nbd0: detected capacity change from 0 to 18
[ 490.677043][ T3637] block nbd0: shutting down sockets
[ 520.985392][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 30 seconds
[ 550.639200][ T2972] udevd[2972]: worker [3639] /devices/virtual/block/nbd0 is taking a long time
[ 551.064725][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 60 seconds
[ 581.144756][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 90 seconds
[ 611.224681][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 120 seconds
[ 641.304705][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 150 seconds
executing program
[ 670.782153][ T2972] udevd[2972]: worker [3639] /devices/virtual/block/nbd0 timeout; kill it
[ 670.791381][ T3639] ldm_validate_partition_table(): Disk read failed.
[ 670.794675][ T2972] udevd[2972]: seq 7487 '/devices/virtual/block/nbd0' killed
[ 670.798328][ T3639] Dev nbd0: unable to read RDB block 0
[ 670.810927][ T3639] nbd0: unable to read partition table
[ 670.816742][ T3639] nbd0: partition table beyond EOD, truncated
[ 670.828944][ T2972] udevd[2972]: worker [3639] terminated by signal 9 (Killed)
[ 670.836425][ T2972] udevd[2972]: worker [3639] failed while handling '/devices/virtual/block/nbd0'
[ 671.384672][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 180 seconds
[ 701.464718][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 210 seconds
[ 731.554742][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 240 seconds
[ 761.624749][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 270 seconds
[ 791.704694][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 300 seconds
[ 821.784761][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 330 seconds
[ 851.864680][ T9] block nbd0: Possible stuck request ffff88801e238000: control (read@0,4096B). Runtime 360 seconds
[ 859.544756][ T28] INFO: task syz-executor377:3648 blocked for more than 143 seconds.
[ 859.553119][ T28] Not tainted 5.19.0-next-20220809-syzkaller #0
[ 859.559984][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.568845][ T28] task:syz-executor377 state:D stack:28456 pid:3648 ppid:3635 flags:0x00000004
[ 859.578280][ T28] Call Trace:
[ 859.581575][ T28]
[ 859.584500][ T28] __schedule+0xadf/0x52b0
[ 859.589354][ T28] ? io_schedule_timeout+0x140/0x140
[ 859.594797][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 859.600647][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 859.606686][ T28] schedule+0xda/0x1b0
[ 859.610785][ T28] blk_mq_freeze_queue_wait+0x112/0x160
[ 859.616569][ T28] ? blk_mq_queue_inflight+0xa0/0xa0
[ 859.621872][ T28] ? blk_mq_run_hw_queue+0x490/0x490
[ 859.627329][ T28] ? prepare_to_wait_exclusive+0x2b0/0x2b0
[ 859.633162][ T28] nbd_add_socket+0x166/0x810
[ 859.638158][ T28] ? apparmor_capable+0x1d8/0x460
[ 859.643291][ T28] ? nbd_alloc_config.part.0+0x180/0x180
[ 859.649035][ T28] ? bpf_lsm_capable+0x5/0x10
[ 859.653755][ T28] ? security_capable+0x8f/0xc0
[ 859.658734][ T28] nbd_ioctl+0x4ab/0xbd0
[ 859.663002][ T28] ? blkdev_bszset+0x1f0/0x1f0
[ 859.667806][ T28] ? nbd_start_device+0xc30/0xc30
[ 859.672848][ T28] ? __ct_user_exit+0xff/0x150
[ 859.678907][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 859.683799][ T28] ? nbd_start_device+0xc30/0xc30
[ 859.688885][ T28] blkdev_ioctl+0x36e/0x800
[ 859.693510][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 859.699119][ T28] ? bpf_lsm_file_ioctl+0x5/0x10
[ 859.704072][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 859.709813][ T28] __x64_sys_ioctl+0x193/0x200
[ 859.715293][ T28] do_syscall_64+0x35/0xb0
[ 859.719729][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 859.725834][ T28] RIP: 0033:0x7fd0786ecee9
[ 859.730276][ T28] RSP: 002b:00007fd07869a308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 859.738972][ T28] RAX: ffffffffffffffda RBX: 00007fd078770408 RCX: 00007fd0786ecee9
[ 859.747155][ T28] RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003
[ 859.755295][ T28] RBP: 00007fd078770400 R08: 0000000000000000 R09: 0000000000000000
[ 859.763281][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd07877040c
[ 859.771496][ T28] R13: 00007fd07873e074 R14: 64626e2f7665642f R15: 0000000000022000
[ 859.779707][ T28]
[ 859.782767][ T28] INFO: task syz-executor377:3649 blocked for more than 143 seconds.
[ 859.791090][ T28] Not tainted 5.19.0-next-20220809-syzkaller #0
[ 859.797999][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.806801][ T28] task:syz-executor377 state:D stack:29536 pid:3649 ppid:3635 flags:0x00000004
[ 859.816130][ T28] Call Trace:
[ 859.819419][ T28]
[ 859.822352][ T28] __schedule+0xadf/0x52b0
[ 859.826853][ T28] ? io_schedule_timeout+0x140/0x140
[ 859.832167][ T28] schedule+0xda/0x1b0
[ 859.836299][ T28] schedule_preempt_disabled+0xf/0x20
[ 859.841686][ T28] __mutex_lock+0xa44/0x1350
[ 859.846323][ T28] ? nbd_ioctl+0x151/0xbd0
[ 859.850757][ T28] ? mutex_lock_io_nested+0x1190/0x1190
[ 859.856363][ T28] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 859.862198][ T28] ? bpf_lsm_capable+0x5/0x10
[ 859.866919][ T28] ? security_capable+0x8f/0xc0
[ 859.871820][ T28] nbd_ioctl+0x151/0xbd0
[ 859.876131][ T28] ? blkdev_bszset+0x1f0/0x1f0
[ 859.880924][ T28] ? nbd_start_device+0xc30/0xc30
[ 859.886009][ T28] ? __ct_user_exit+0xff/0x150
[ 859.890794][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 859.895702][ T28] ? nbd_start_device+0xc30/0xc30
[ 859.900743][ T28] blkdev_ioctl+0x36e/0x800
[ 859.905289][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 859.910783][ T28] ? bpf_lsm_file_ioctl+0x5/0x10
[ 859.915768][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 859.921274][ T28] __x64_sys_ioctl+0x193/0x200
[ 859.926094][ T28] do_syscall_64+0x35/0xb0
[ 859.930538][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 859.936502][ T28] RIP: 0033:0x7fd0786ecee9
[ 859.940931][ T28] RSP: 002b:00007fd078679308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 859.949424][ T28] RAX: ffffffffffffffda RBX: 00007fd078770418 RCX: 00007fd0786ecee9
[ 859.957478][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 859.965498][ T28] RBP: 00007fd078770410 R08: 00007fd078679700 R09: 0000000000000000
[ 859.973477][ T28] R10: 00007fd078679700 R11: 0000000000000246 R12: 00007fd07877041c
[ 859.981495][ T28] R13: 00007fd07873e074 R14: 64626e2f7665642f R15: 0000000000022000
[ 859.989526][ T28]
[ 859.993258][ T28] INFO: task syz-executor377:3650 blocked for more than 143 seconds.
[ 860.001372][ T28] Not tainted 5.19.0-next-20220809-syzkaller #0
[ 860.008154][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 860.016843][ T28] task:syz-executor377 state:D stack:29400 pid:3650 ppid:3635 flags:0x00000004
[ 860.026090][ T28] Call Trace:
[ 860.029375][ T28]
[ 860.032299][ T28] __schedule+0xadf/0x52b0
[ 860.036762][ T28] ? io_schedule_timeout+0x140/0x140
[ 860.042068][ T28] schedule+0xda/0x1b0
[ 860.046166][ T28] schedule_preempt_disabled+0xf/0x20
[ 860.051570][ T28] __mutex_lock+0xa44/0x1350
[ 860.056249][ T28] ? nbd_ioctl+0x151/0xbd0
[ 860.060697][ T28] ? mutex_lock_io_nested+0x1190/0x1190
[ 860.066304][ T28] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 860.072191][ T28] ? bpf_lsm_capable+0x5/0x10
[ 860.076941][ T28] ? security_capable+0x8f/0xc0
[ 860.081832][ T28] nbd_ioctl+0x151/0xbd0
[ 860.086130][ T28] ? blkdev_bszset+0x1f0/0x1f0
[ 860.090910][ T28] ? nbd_start_device+0xc30/0xc30
[ 860.095966][ T28] ? __ct_user_exit+0xff/0x150
[ 860.100753][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 860.105634][ T28] ? nbd_start_device+0xc30/0xc30
[ 860.110676][ T28] blkdev_ioctl+0x36e/0x800
[ 860.115213][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 860.120700][ T28] ? bpf_lsm_file_ioctl+0x5/0x10
[ 860.125682][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 860.131159][ T28] __x64_sys_ioctl+0x193/0x200
[ 860.135963][ T28] do_syscall_64+0x35/0xb0
[ 860.140391][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 860.146318][ T28] RIP: 0033:0x7fd0786ecee9
[ 860.150739][ T28] RSP: 002b:00007fd078658308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 860.159177][ T28] RAX: ffffffffffffffda RBX: 00007fd078770428 RCX: 00007fd0786ecee9
[ 860.167180][ T28] RDX: 0000000000000009 RSI: 000000000000ab07 RDI: 0000000000000003
[ 860.175184][ T28] RBP: 00007fd078770420 R08: 00007fd078658700 R09: 0000000000000000
[ 860.183168][ T28] R10: 00007fd078658700 R11: 0000000000000246 R12: 00007fd07877042c
[ 860.191255][ T28] R13: 00007fd07873e074 R14: 64626e2f7665642f R15: 0000000000022000
[ 860.199302][ T28]
[ 860.202360][ T28]
[ 860.202360][ T28] Showing all threads with locks held in the system:
[ 860.211314][ T28] task:rcu_tasks_kthre state:I stack:29000 pid:12 ppid:2 flags:0x00004000
[ 860.220571][ T28] Call Trace:
[ 860.223849][ T28]
[ 860.226811][ T28] __schedule+0xadf/0x52b0
[ 860.231253][ T28] ? find_held_lock+0x2d/0x110
[ 860.236059][ T28] ? rcu_tasks_one_gp+0x6f5/0xc70
[ 860.241109][ T28] ? io_schedule_timeout+0x140/0x140
[ 860.246424][ T28] ? mark_held_locks+0x9f/0xe0
[ 860.251203][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 860.257052][ T28] schedule+0xda/0x1b0
[ 860.261137][ T28] rcu_tasks_one_gp+0x3e5/0xc70
[ 860.266058][ T28] rcu_tasks_kthread+0x73/0xa0
[ 860.270851][ T28] ? synchronize_rcu_tasks_trace+0x60/0x60
[ 860.276717][ T28] kthread+0x2e4/0x3a0
[ 860.280810][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 860.286487][ T28] ret_from_fork+0x1f/0x30
[ 860.290940][ T28]
[ 860.293948][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 860.299260][ T28] #0: ffffffff8bf889b0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70
[ 860.309773][ T28] task:rcu_tasks_trace state:I stack:29120 pid:13 ppid:2 flags:0x00004000
[ 860.319017][ T28] Call Trace:
[ 860.322393][ T28]
[ 860.325383][ T28] __schedule+0xadf/0x52b0
[ 860.329867][ T28] ? find_held_lock+0x2d/0x110
[ 860.334695][ T28] ? rcu_tasks_one_gp+0x6f5/0xc70
[ 860.339742][ T28] ? io_schedule_timeout+0x140/0x140
[ 860.345064][ T28] ? mark_held_locks+0x9f/0xe0
[ 860.349845][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 860.355729][ T28] schedule+0xda/0x1b0
[ 860.359817][ T28] rcu_tasks_one_gp+0x3e5/0xc70
[ 860.364736][ T28] rcu_tasks_kthread+0x73/0xa0
[ 860.369643][ T28] ? synchronize_rcu_tasks_trace+0x60/0x60
[ 860.375487][ T28] kthread+0x2e4/0x3a0
[ 860.379569][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 860.385239][ T28] ret_from_fork+0x1f/0x30
[ 860.389685][ T28]
[ 860.392693][ T28] 1 lock held by rcu_tasks_trace/13:
[ 860.397994][ T28] #0: ffffffff8bf886b0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70
[ 860.409172][ T28] task:getty state:S stack:23392 pid:3284 ppid:1 flags:0x00000000
[ 860.418408][ T28] Call Trace:
[ 860.421694][ T28]
[ 860.424656][ T28] __schedule+0xadf/0x52b0
[ 860.429095][ T28] ? io_schedule_timeout+0x140/0x140
[ 860.434376][ T28] schedule+0xda/0x1b0
[ 860.438490][ T28] schedule_timeout+0x1db/0x2a0
[ 860.443368][ T28] ? usleep_range_state+0x1b0/0x1b0
[ 860.448640][ T28] ? __up_read+0x192/0x720
[ 860.453103][ T28] ? down_read+0x198/0x450
[ 860.457573][ T28] ? up_write+0x470/0x470
[ 860.461925][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 860.467769][ T28] wait_woken+0x18b/0x1f0
[ 860.472106][ T28] n_tty_read+0x1051/0x13e0
[ 860.476731][ T28] ? n_tty_open+0x170/0x170
[ 860.481254][ T28] ? __init_waitqueue_head+0x150/0x150
[ 860.486754][ T28] tty_read+0x33a/0x5d0
[ 860.490925][ T28] ? do_SAK+0x70/0x70
[ 860.494937][ T28] ? fsnotify_perm.part.0+0x221/0x610
[ 860.500331][ T28] ? apparmor_file_permission+0x264/0x4e0
[ 860.506082][ T28] ? security_file_permission+0xab/0xd0
[ 860.511641][ T28] vfs_read+0x67d/0x930
[ 860.515827][ T28] ? kernel_read+0x1c0/0x1c0
[ 860.520431][ T28] ? __ct_user_exit+0xff/0x150
[ 860.525225][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 860.530108][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 860.534994][ T28] ? __fget_light+0x20a/0x270
[ 860.539689][ T28] ksys_read+0x127/0x250
[ 860.543923][ T28] ? vfs_write+0xdd0/0xdd0
[ 860.548363][ T28] ? syscall_enter_from_user_mode+0x22/0xb0
[ 860.554282][ T28] do_syscall_64+0x35/0xb0
[ 860.558743][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 860.564676][ T28] RIP: 0033:0x7fb6823a28fe
[ 860.569106][ T28] RSP: 002b:00007fff468ad668 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
[ 860.577574][ T28] RAX: ffffffffffffffda RBX: 000055ad72af9910 RCX: 00007fb6823a28fe
[ 860.585592][ T28] RDX: 0000000000000001 RSI: 00007fff468ad680 RDI: 0000000000000000
[ 860.593557][ T28] RBP: 000055ad72af9970 R08: 0000000000000007 R09: 000055ad72afacd0
[ 860.601558][ T28] R10: 0000000000000063 R11: 0000000000000246 R12: 000055ad72af99ac
[ 860.609551][ T28] R13: 00007fff468ad680 R14: 0000000000000000 R15: 000055ad72af99ac
[ 860.617566][ T28]
[ 860.620590][ T28] 2 locks held by getty/3284:
[ 860.625285][ T28] #0: ffff88814a803098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80
[ 860.635108][ T28] #1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0
[ 860.645243][ T28] task:syz-executor377 state:D stack:28456 pid:3648 ppid:3635 flags:0x00000004
[ 860.654474][ T28] Call Trace:
[ 860.657781][ T28]
[ 860.660718][ T28] __schedule+0xadf/0x52b0
[ 860.665195][ T28] ? io_schedule_timeout+0x140/0x140
[ 860.670493][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 860.676348][ T28] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 860.682177][ T28] schedule+0xda/0x1b0
[ 860.686297][ T28] blk_mq_freeze_queue_wait+0x112/0x160
[ 860.691877][ T28] ? blk_mq_queue_inflight+0xa0/0xa0
[ 860.697284][ T28] ? blk_mq_run_hw_queue+0x490/0x490
[ 860.702602][ T28] ? prepare_to_wait_exclusive+0x2b0/0x2b0
[ 860.708465][ T28] nbd_add_socket+0x166/0x810
[ 860.713159][ T28] ? apparmor_capable+0x1d8/0x460
[ 860.718244][ T28] ? nbd_alloc_config.part.0+0x180/0x180
[ 860.723896][ T28] ? bpf_lsm_capable+0x5/0x10
[ 860.728612][ T28] ? security_capable+0x8f/0xc0
[ 860.733495][ T28] nbd_ioctl+0x4ab/0xbd0
[ 860.737771][ T28] ? blkdev_bszset+0x1f0/0x1f0
[ 860.742566][ T28] ? nbd_start_device+0xc30/0xc30
[ 860.747623][ T28] ? __ct_user_exit+0xff/0x150
[ 860.752401][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 860.757287][ T28] ? nbd_start_device+0xc30/0xc30
[ 860.762323][ T28] blkdev_ioctl+0x36e/0x800
[ 860.766852][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 860.772328][ T28] ? bpf_lsm_file_ioctl+0x5/0x10
[ 860.777318][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 860.782795][ T28] __x64_sys_ioctl+0x193/0x200
[ 860.787588][ T28] do_syscall_64+0x35/0xb0
[ 860.792018][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 860.797955][ T28] RIP: 0033:0x7fd0786ecee9
[ 860.802464][ T28] RSP: 002b:00007fd07869a308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 860.810922][ T28] RAX: ffffffffffffffda RBX: 00007fd078770408 RCX: 00007fd0786ecee9
[ 860.818947][ T28] RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003
[ 860.826966][ T28] RBP: 00007fd078770400 R08: 0000000000000000 R09: 0000000000000000
[ 860.834984][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd07877040c
[ 860.842974][ T28] R13: 00007fd07873e074 R14: 64626e2f7665642f R15: 0000000000022000
[ 860.851000][ T28]
[ 860.854023][ T28] 1 lock held by syz-executor377/3648:
[ 860.859496][ T28] #0: ffff88801e11c198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x151/0xbd0
[ 860.868863][ T28] task:syz-executor377 state:D stack:29536 pid:3649 ppid:3635 flags:0x00000004
[ 860.878085][ T28] Call Trace:
[ 860.881364][ T28]
[ 860.884286][ T28] __schedule+0xadf/0x52b0
[ 860.888746][ T28] ? io_schedule_timeout+0x140/0x140
[ 860.894056][ T28] schedule+0xda/0x1b0
[ 860.898163][ T28] schedule_preempt_disabled+0xf/0x20
[ 860.903551][ T28] __mutex_lock+0xa44/0x1350
[ 860.908172][ T28] ? nbd_ioctl+0x151/0xbd0
[ 860.912601][ T28] ? mutex_lock_io_nested+0x1190/0x1190
[ 860.918174][ T28] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 860.924012][ T28] ? bpf_lsm_capable+0x5/0x10
[ 860.928726][ T28] ? security_capable+0x8f/0xc0
[ 860.933623][ T28] nbd_ioctl+0x151/0xbd0
[ 860.937907][ T28] ? blkdev_bszset+0x1f0/0x1f0
[ 860.942696][ T28] ? nbd_start_device+0xc30/0xc30
[ 860.947787][ T28] ? __ct_user_exit+0xff/0x150
[ 860.952590][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 860.957510][ T28] ? nbd_start_device+0xc30/0xc30
[ 860.962563][ T28] blkdev_ioctl+0x36e/0x800
[ 860.967111][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 860.972595][ T28] ? bpf_lsm_file_ioctl+0x5/0x10
[ 860.977569][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 860.983054][ T28] __x64_sys_ioctl+0x193/0x200
[ 860.987856][ T28] do_syscall_64+0x35/0xb0
[ 860.992285][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 860.998211][ T28] RIP: 0033:0x7fd0786ecee9
[ 861.002636][ T28] RSP: 002b:00007fd078679308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 861.011081][ T28] RAX: ffffffffffffffda RBX: 00007fd078770418 RCX: 00007fd0786ecee9
[ 861.019083][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 861.027166][ T28] RBP: 00007fd078770410 R08: 00007fd078679700 R09: 0000000000000000
[ 861.035185][ T28] R10: 00007fd078679700 R11: 0000000000000246 R12: 00007fd07877041c
[ 861.043144][ T28] R13: 00007fd07873e074 R14: 64626e2f7665642f R15: 0000000000022000
[ 861.051171][ T28]
[ 861.054198][ T28] 1 lock held by syz-executor377/3649:
[ 861.059672][ T28] #0: ffff88801e11c198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x151/0xbd0
[ 861.069069][ T28] task:syz-executor377 state:D stack:29400 pid:3650 ppid:3635 flags:0x00000004
[ 861.078383][ T28] Call Trace:
[ 861.081677][ T28]
[ 861.084657][ T28] __schedule+0xadf/0x52b0
[ 861.089101][ T28] ? io_schedule_timeout+0x140/0x140
[ 861.094383][ T28] schedule+0xda/0x1b0
[ 861.098516][ T28] schedule_preempt_disabled+0xf/0x20
[ 861.103908][ T28] __mutex_lock+0xa44/0x1350
[ 861.108541][ T28] ? nbd_ioctl+0x151/0xbd0
[ 861.112976][ T28] ? mutex_lock_io_nested+0x1190/0x1190
[ 861.118563][ T28] ? tomoyo_execute_permission+0x4a0/0x4a0
[ 861.124412][ T28] ? bpf_lsm_capable+0x5/0x10
[ 861.129121][ T28] ? security_capable+0x8f/0xc0
[ 861.134009][ T28] nbd_ioctl+0x151/0xbd0
[ 861.138294][ T28] ? blkdev_bszset+0x1f0/0x1f0
[ 861.143073][ T28] ? nbd_start_device+0xc30/0xc30
[ 861.148128][ T28] ? __ct_user_exit+0xff/0x150
[ 861.152915][ T28] ? lock_downgrade+0x6e0/0x6e0
[ 861.157795][ T28] ? nbd_start_device+0xc30/0xc30
[ 861.162833][ T28] blkdev_ioctl+0x36e/0x800
[ 861.167370][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 861.172847][ T28] ? bpf_lsm_file_ioctl+0x5/0x10
[ 861.177814][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 861.183296][ T28] __x64_sys_ioctl+0x193/0x200
[ 861.188102][ T28] do_syscall_64+0x35/0xb0
[ 861.192539][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 861.198478][ T28] RIP: 0033:0x7fd0786ecee9
[ 861.202906][ T28] RSP: 002b:00007fd078658308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 861.211436][ T28] RAX: ffffffffffffffda RBX: 00007fd078770428 RCX: 00007fd0786ecee9
[ 861.219445][ T28] RDX: 0000000000000009 RSI: 000000000000ab07 RDI: 0000000000000003
[ 861.227459][ T28] RBP: 00007fd078770420 R08: 00007fd078658700 R09: 0000000000000000
[ 861.235450][ T28] R10: 00007fd078658700 R11: 0000000000000246 R12: 00007fd07877042c
[ 861.243410][ T28] R13: 00007fd07873e074 R14: 64626e2f7665642f R15: 0000000000022000
[ 861.251419][ T28]
[ 861.254438][ T28] 1 lock held by syz-executor377/3650:
[ 861.259922][ T28] #0: ffff88801e11c198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x151/0xbd0
[ 861.269295][ T28]
[ 861.271615][ T28] =============================================
[ 861.271615][ T28]
[ 861.280038][ T28] NMI backtrace for cpu 1
[ 861.284361][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.19.0-next-20220809-syzkaller #0
[ 861.293363][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 861.303402][ T28] Call Trace:
[ 861.306667][ T28]
[ 861.309584][ T28] dump_stack_lvl+0xcd/0x134
[ 861.314229][ T28] nmi_cpu_backtrace.cold+0x46/0x14f
[ 861.319505][ T28] ? lockdep_hardirqs_off+0x90/0xd0
[ 861.324694][ T28] ? lapic_can_unplug_cpu+0x80/0x80
[ 861.329883][ T28] nmi_trigger_cpumask_backtrace+0x206/0x250
[ 861.335866][ T28] watchdog+0xcf7/0xfd0
[ 861.340038][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 861.346466][ T28] kthread+0x2e4/0x3a0
[ 861.350539][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 861.356180][ T28] ret_from_fork+0x1f/0x30
[ 861.360615][ T28]
[ 861.363686][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 861.368984][ C0] NMI backtrace for cpu 0
[ 861.368993][ C0] CPU: 0 PID: 41 Comm: kworker/u4:2 Not tainted 5.19.0-next-20220809-syzkaller #0
[ 861.369013][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 861.369024][ C0] Workqueue: events_unbound toggle_allocation_gate
[ 861.369056][ C0] RIP: 0010:insn_get_prefixes.part.0+0x134/0x1200
[ 861.369100][ C0] Code: 49 83 fc 05 0f 84 30 08 00 00 e8 97 6a 56 fd 49 83 c4 01 49 89 ed 48 83 c5 01 48 39 6c 24 10 0f 83 6b ff ff ff 48 8b 44 24 08 <31> db 48 bd 00 00 00 00 00 fc ff df 4c 8d 60 01 e8 67 6a 56 fd 49
[ 861.369118][ C0] RSP: 0018:ffffc90000b278f0 EFLAGS: 00000292
[ 861.369131][ C0] RAX: ffffffff81c7e8c3 RBX: ffffffff8a4d29e0 RCX: ffffffff84259b3f
[ 861.369144][ C0] RDX: ffff888012610000 RSI: 0000000000000000 RDI: 0000000000000000
[ 861.369156][ C0] RBP: ffffffff81c7e8c4 R08: 0000000000000000 R09: 00000000000000e9
[ 861.369167][ C0] R10: 000000000000000f R11: 0000000000000000 R12: 0000000000000001
[ 861.369178][ C0] R13: 00000000000000e9 R14: dffffc0000000000 R15: 000000000000000f
[ 861.369189][ C0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 861.369207][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 861.369219][ C0] CR2: 00005573efa80600 CR3: 000000000bc8e000 CR4: 00000000003506f0
[ 861.369231][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 861.369241][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 861.369252][ C0] Call Trace:
[ 861.369256][ C0]
[ 861.369262][ C0] ? __kmalloc_node+0xc3/0x380
[ 861.369282][ C0] ? __kmalloc_node+0xd2/0x380
[ 861.369304][ C0] insn_get_modrm+0x646/0x7c0
[ 861.369326][ C0] insn_get_sib+0x29c/0x330
[ 861.369347][ C0] insn_get_displacement+0x346/0x6c0
[ 861.369368][ C0] ? __kmalloc_node+0xc3/0x380
[ 861.369387][ C0] insn_decode+0x35b/0x3b0
[ 861.369408][ C0] ? __kmalloc_node+0xc3/0x380
[ 861.369427][ C0] arch_jump_entry_size+0xa0/0x110
[ 861.369454][ C0] ? i8259A_resume+0x30/0x30
[ 861.369478][ C0] ? arch_jump_label_transform_queue+0x58/0x100
[ 861.369509][ C0] ? __kmalloc_node+0xc3/0x380
[ 861.369529][ C0] ? __kmalloc_node+0xd2/0x380
[ 861.369547][ C0] ? __kmalloc_node+0xc3/0x380
[ 861.369569][ C0] ? __kmalloc_node+0x1f3/0x380
[ 861.369588][ C0] __jump_label_patch+0x80/0x330
[ 861.369616][ C0] arch_jump_label_transform_queue+0x63/0x100
[ 861.369649][ C0] __jump_label_update+0x12e/0x410
[ 861.369676][ C0] jump_label_update+0x32f/0x410
[ 861.369700][ C0] static_key_disable_cpuslocked+0x152/0x1b0
[ 861.369725][ C0] static_key_disable+0x16/0x20
[ 861.369746][ C0] toggle_allocation_gate+0x183/0x390
[ 861.369774][ C0] ? lock_release+0x780/0x780
[ 861.369794][ C0] ? wake_up_kfence_timer+0x20/0x20
[ 861.369821][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 861.369848][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 861.369873][ C0] process_one_work+0x991/0x1610
[ 861.369902][ C0] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 861.369929][ C0] ? rwlock_bug.part.0+0x90/0x90
[ 861.369950][ C0] ? _raw_spin_lock_irq+0x41/0x50
[ 861.369981][ C0] worker_thread+0x665/0x1080
[ 861.370010][ C0] ? process_one_work+0x1610/0x1610
[ 861.370035][ C0] kthread+0x2e4/0x3a0
[ 861.370055][ C0] ? kthread_complete_and_exit+0x40/0x40
[ 861.370078][ C0] ret_from_fork+0x1f/0x30
[ 861.370108][ C0]
[ 861.370114][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.130 msecs
[ 861.371075][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 861.712093][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 5.19.0-next-20220809-syzkaller #0
[ 861.721119][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 861.731169][ T28] Call Trace:
[ 861.734450][ T28]
[ 861.737377][ T28] dump_stack_lvl+0xcd/0x134
[ 861.741983][ T28] panic+0x2c8/0x627
[ 861.745913][ T28] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 861.751903][ T28] ? lapic_can_unplug_cpu+0x80/0x80
[ 861.757111][ T28] ? preempt_schedule_thunk+0x16/0x18
[ 861.762494][ T28] ? watchdog.cold+0x135/0x426
[ 861.767275][ T28] watchdog.cold+0x146/0x426
[ 861.771871][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 861.777864][ T28] kthread+0x2e4/0x3a0
[ 861.781937][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 861.787574][ T28] ret_from_fork+0x1f/0x30
[ 861.792009][ T28]
[ 861.795291][ T28] Kernel Offset: disabled
[ 861.799615][ T28] Rebooting in 86400 seconds..