Warning: Permanently added '10.128.1.97' (ECDSA) to the list of known hosts. executing program [ 406.761290][ T3529] nbd0: detected capacity change from 0 to 262 [ 406.920812][ T146] block nbd0: Receive control failed (result -104) [ 406.922179][ T3529] block nbd0: shutting down sockets [ 406.933600][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 406.944755][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 406.952658][ T3531] ldm_validate_partition_table(): Disk read failed. [ 406.959433][ T3531] Dev nbd0: unable to read RDB block 0 [ 406.964896][ T3531] nbd0: unable to read partition table executing program [ 406.970543][ T3531] nbd0: partition table beyond EOD, truncated [ 407.040401][ T3534] nbd0: detected capacity change from 0 to 262 [ 407.197614][ T146] block nbd0: Receive control failed (result -104) [ 407.198216][ T3534] block nbd0: shutting down sockets [ 407.210399][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 407.221190][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 407.228974][ T3531] ldm_validate_partition_table(): Disk read failed. [ 407.235715][ T3531] Dev nbd0: unable to read RDB block 0 [ 407.241211][ T3531] nbd0: unable to read partition table executing program [ 407.246802][ T3531] nbd0: partition table beyond EOD, truncated [ 407.290085][ T3536] nbd0: detected capacity change from 0 to 262 [ 407.451812][ T146] block nbd0: Receive control failed (result -104) [ 407.452180][ T3536] block nbd0: shutting down sockets [ 407.464572][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 407.475369][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 407.483223][ T3531] ldm_validate_partition_table(): Disk read failed. [ 407.489849][ T3531] Dev nbd0: unable to read RDB block 0 [ 407.495408][ T3531] nbd0: unable to read partition table executing program [ 407.501038][ T3531] nbd0: partition table beyond EOD, truncated [ 407.559954][ T3538] nbd0: detected capacity change from 0 to 262 [ 407.721234][ T146] block nbd0: Receive control failed (result -104) [ 407.722826][ T3538] block nbd0: shutting down sockets [ 407.733553][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 407.744445][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 407.752325][ T3531] ldm_validate_partition_table(): Disk read failed. [ 407.758910][ T3531] Dev nbd0: unable to read RDB block 0 [ 407.764445][ T3531] nbd0: unable to read partition table executing program [ 407.770106][ T3531] nbd0: partition table beyond EOD, truncated [ 407.850067][ T3541] nbd0: detected capacity change from 0 to 262 [ 407.993630][ T146] block nbd0: Receive control failed (result -104) [ 407.993978][ T3541] block nbd0: shutting down sockets [ 408.006187][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 408.017003][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 408.024800][ T3531] ldm_validate_partition_table(): Disk read failed. [ 408.031580][ T3531] Dev nbd0: unable to read RDB block 0 [ 408.037020][ T3531] nbd0: unable to read partition table executing program [ 408.042706][ T3531] nbd0: partition table beyond EOD, truncated [ 408.100272][ T3543] nbd0: detected capacity change from 0 to 262 [ 408.260364][ T146] block nbd0: Receive control failed (result -104) [ 408.260801][ T3543] block nbd0: shutting down sockets [ 408.272855][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 408.284015][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 408.291881][ T3531] ldm_validate_partition_table(): Disk read failed. [ 408.298470][ T3531] Dev nbd0: unable to read RDB block 0 [ 408.303981][ T3531] nbd0: unable to read partition table executing program [ 408.309591][ T3531] nbd0: partition table beyond EOD, truncated [ 408.359823][ T3545] nbd0: detected capacity change from 0 to 262 [ 408.520348][ T146] block nbd0: Receive control failed (result -104) [ 408.520733][ T3545] block nbd0: shutting down sockets [ 408.532671][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 408.543466][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 408.551321][ T3531] ldm_validate_partition_table(): Disk read failed. [ 408.557908][ T3531] Dev nbd0: unable to read RDB block 0 [ 408.563404][ T3531] nbd0: unable to read partition table executing program [ 408.568995][ T3531] nbd0: partition table beyond EOD, truncated [ 408.649917][ T3548] nbd0: detected capacity change from 0 to 262 [ 408.792331][ T146] block nbd0: Receive control failed (result -104) [ 408.792906][ T3548] block nbd0: shutting down sockets [ 408.804675][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 408.815477][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 408.823294][ T3531] ldm_validate_partition_table(): Disk read failed. [ 408.829926][ T3531] Dev nbd0: unable to read RDB block 0 [ 408.835375][ T3531] nbd0: unable to read partition table executing program [ 408.841043][ T3531] nbd0: partition table beyond EOD, truncated [ 408.900197][ T3550] nbd0: detected capacity change from 0 to 262 [ 409.060289][ T146] block nbd0: Receive control failed (result -104) [ 409.060689][ T3550] block nbd0: shutting down sockets [ 409.072610][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 409.083405][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 409.091273][ T3531] ldm_validate_partition_table(): Disk read failed. [ 409.097865][ T3531] Dev nbd0: unable to read RDB block 0 [ 409.103366][ T3531] nbd0: unable to read partition table executing program [ 409.108946][ T3531] nbd0: partition table beyond EOD, truncated [ 409.169903][ T3552] nbd0: detected capacity change from 0 to 262 [ 409.330562][ T146] block nbd0: Receive control failed (result -104) [ 439.189429][ T1053] block nbd0: Possible stuck request ffff88801bd40200: control (read@0,4096B). Runtime 30 seconds [ 469.248804][ T2961] udevd[2961]: worker [3531] /devices/virtual/block/nbd0 is taking a long time [ 469.279397][ T1053] block nbd0: Possible stuck request ffff88801bd40200: control (read@0,4096B). Runtime 60 seconds [ 499.349415][ T1053] block nbd0: Possible stuck request ffff88801bd40200: control (read@0,4096B). Runtime 90 seconds [ 529.429469][ T1053] block nbd0: Possible stuck request ffff88801bd40200: control (read@0,4096B). Runtime 120 seconds [ 559.509448][ T1053] block nbd0: Possible stuck request ffff88801bd40200: control (read@0,4096B). Runtime 150 seconds [ 572.949459][ T27] INFO: task udevd:3531 blocked for more than 143 seconds. [ 572.956741][ T27] Not tainted 5.15.119-syzkaller #0 [ 572.962617][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 572.971336][ T27] task:udevd state:D stack:24512 pid: 3531 ppid: 2961 flags:0x00004002 [ 572.980562][ T27] Call Trace: [ 572.983835][ T27] [ 572.986752][ T27] __schedule+0x12c4/0x4590 [ 572.991391][ T27] ? __sched_text_start+0x8/0x8 [ 572.996242][ T27] ? preempt_schedule+0xd9/0xe0 [ 573.001158][ T27] ? __sched_text_start+0x8/0x8 [ 573.006023][ T27] ? preempt_schedule+0xd9/0xe0 [ 573.010890][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 573.016520][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 573.022594][ T27] ? print_irqtrace_events+0x210/0x210 [ 573.028048][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 573.033183][ T27] schedule+0x11b/0x1f0 [ 573.037338][ T27] io_schedule+0x88/0x100 [ 573.041692][ T27] wait_on_page_bit_common+0xa13/0x1180 [ 573.047303][ T27] ? wait_on_page_bit+0x50/0x50 [ 573.052177][ T27] ? blkdev_fallocate+0x3d0/0x3d0 [ 573.057273][ T27] ? rcu_lock_release+0x20/0x20 [ 573.062188][ T27] ? vsnprintf+0x1c70/0x1c70 [ 573.066788][ T27] do_read_cache_page+0x9c1/0x1040 [ 573.071921][ T27] read_part_sector+0xd8/0x530 [ 573.076749][ T27] adfspart_check_ICS+0xd9/0xd00 [ 573.081810][ T27] ? ptr_to_hashval+0x60/0x60 [ 573.086489][ T27] ? adfspart_check_ADFS+0x8b0/0x8b0 [ 573.091802][ T27] ? snprintf+0xd6/0x120 [ 573.096041][ T27] ? __rmqueue_pcplist+0x2030/0x2030 [ 573.101362][ T27] ? __vmalloc_node_range+0x6aa/0x8c0 [ 573.106734][ T27] ? vsnprintf+0x1b8c/0x1c70 [ 573.111346][ T27] ? vsnprintf+0x191/0x1c70 [ 573.115846][ T27] ? vscnprintf+0x80/0x80 [ 573.120192][ T27] ? alloc_pages+0x458/0x570 [ 573.124870][ T27] bdev_disk_changed+0x982/0x1760 [ 573.129927][ T27] ? blk_drop_partitions+0x1b0/0x1b0 [ 573.135212][ T27] ? iput+0x371/0x8b0 [ 573.139225][ T27] blkdev_get_whole+0x2fb/0x390 [ 573.144146][ T27] blkdev_get_by_dev+0x2b2/0xa50 [ 573.149087][ T27] blkdev_open+0x138/0x2d0 [ 573.153618][ T27] ? block_ioctl+0xf0/0xf0 [ 573.158030][ T27] do_dentry_open+0x807/0xfb0 [ 573.162795][ T27] path_openat+0x2702/0x2f20 [ 573.167390][ T27] ? validate_chain+0x112/0x58b0 [ 573.172366][ T27] ? mark_lock+0x98/0x340 [ 573.176699][ T27] ? do_filp_open+0x460/0x460 [ 573.181411][ T27] do_filp_open+0x21c/0x460 [ 573.185914][ T27] ? vfs_tmpfile+0x2e0/0x2e0 [ 573.190549][ T27] ? _raw_spin_unlock+0x24/0x40 [ 573.195399][ T27] ? alloc_fd+0x594/0x630 [ 573.199750][ T27] do_sys_openat2+0x13b/0x500 [ 573.204425][ T27] ? read_lock_is_recursive+0x10/0x10 [ 573.209817][ T27] ? do_sys_open+0x220/0x220 [ 573.214403][ T27] ? __fdget+0x158/0x220 [ 573.218628][ T27] __x64_sys_openat+0x243/0x290 [ 573.223500][ T27] ? __ia32_sys_open+0x270/0x270 [ 573.228435][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 573.234604][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 573.239856][ T27] ? syscall_enter_from_user_mode+0x2e/0x230 [ 573.245844][ T27] do_syscall_64+0x3d/0xb0 [ 573.250279][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.256174][ T27] RIP: 0033:0x7ff1237689a4 [ 573.260610][ T27] RSP: 002b:00007ffdd9860da0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 573.269044][ T27] RAX: ffffffffffffffda RBX: 000055f82897acf0 RCX: 00007ff1237689a4 [ 573.277217][ T27] RDX: 00000000000a0800 RSI: 000055f828960f60 RDI: 00000000ffffff9c [ 573.285206][ T27] RBP: 000055f828960f60 R08: 0000000000000001 R09: 0000000000000010 [ 573.293205][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 573.301206][ T27] R13: 000055f828962af0 R14: 0000000000000001 R15: 000055f828959910 [ 573.309174][ T27] [ 573.312237][ T27] INFO: task syz-executor975:3552 blocked for more than 143 seconds. [ 573.320320][ T27] Not tainted 5.15.119-syzkaller #0 [ 573.326024][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.334709][ T27] task:syz-executor975 state:D stack:25600 pid: 3552 ppid: 3527 flags:0x00004004 [ 573.343939][ T27] Call Trace: [ 573.347202][ T27] [ 573.350162][ T27] __schedule+0x12c4/0x4590 [ 573.354679][ T27] ? __sched_text_start+0x8/0x8 [ 573.359551][ T27] ? __mutex_trylock_common+0x8d/0x2e0 [ 573.365016][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 573.370240][ T27] schedule+0x11b/0x1f0 [ 573.374394][ T27] schedule_preempt_disabled+0xf/0x20 [ 573.379789][ T27] __mutex_lock_common+0xe34/0x25a0 [ 573.384990][ T27] ? blkdev_put+0xfb/0x790 [ 573.389756][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 573.394970][ T27] mutex_lock_nested+0x17/0x20 [ 573.399770][ T27] blkdev_put+0xfb/0x790 [ 573.404022][ T27] ? __rwlock_init+0x140/0x140 [ 573.408775][ T27] blkdev_close+0x7c/0xa0 [ 573.413168][ T27] ? blkdev_open+0x2d0/0x2d0 [ 573.417755][ T27] __fput+0x3bf/0x890 [ 573.421776][ T27] task_work_run+0x129/0x1a0 [ 573.426439][ T27] exit_to_user_mode_loop+0x106/0x130 [ 573.431876][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 573.437416][ T27] syscall_exit_to_user_mode+0x5d/0x250 [ 573.442992][ T27] do_syscall_64+0x49/0xb0 [ 573.447405][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 573.453459][ T27] RIP: 0033:0x7fbe1fd2e239 [ 573.458052][ T27] RSP: 002b:00007fbe1fcdb308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 573.466500][ T27] RAX: 0000000000000000 RBX: 00007fbe1fdb2408 RCX: 00007fbe1fd2e239 [ 573.474509][ T27] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 573.482504][ T27] RBP: 00007fbe1fdb2400 R08: 0000000000000000 R09: 0000000000000000 [ 573.490495][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbe1fdb240c [ 573.498471][ T27] R13: 00007fbe1fd7f1a4 R14: 64626e2f7665642f R15: 0000000000022000 [ 573.506680][ T27] [ 573.509812][ T27] [ 573.509812][ T27] Showing all locks held in the system: [ 573.517509][ T27] 1 lock held by khungtaskd/27: [ 573.522391][ T27] #0: ffffffff8c91c5e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 573.531767][ T27] 2 locks held by getty/3272: [ 573.536420][ T27] #0: ffff88814af8f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 573.546256][ T27] #1: ffffc900020a32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0 [ 573.556381][ T27] 1 lock held by udevd/3531: [ 573.560998][ T27] #0: ffff88801bc9d918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50 [ 573.571130][ T27] 1 lock held by syz-executor975/3552: [ 573.576569][ T27] #0: ffff88801bc9d918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790 [ 573.585918][ T27] [ 573.588246][ T27] ============================================= [ 573.588246][ T27] [ 573.596742][ T27] NMI backtrace for cpu 0 [ 573.601068][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.119-syzkaller #0 [ 573.609021][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 573.619052][ T27] Call Trace: [ 573.622320][ T27] [ 573.625229][ T27] dump_stack_lvl+0x1e3/0x2cb [ 573.629886][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 573.635495][ T27] ? panic+0x84d/0x84d [ 573.639540][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 573.644689][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 573.649603][ T27] ? __wake_up_klogd+0xd5/0x100 [ 573.654469][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 573.660597][ T27] ? _printk+0xd1/0x111 [ 573.664726][ T27] ? panic+0x84d/0x84d [ 573.668773][ T27] ? __wake_up_klogd+0xcc/0x100 [ 573.673604][ T27] ? panic+0x84d/0x84d [ 573.677651][ T27] ? __rcu_read_unlock+0x92/0x100 [ 573.682687][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.688760][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 573.694723][ T27] watchdog+0xe72/0xeb0 [ 573.698895][ T27] kthread+0x3f6/0x4f0 [ 573.702961][ T27] ? hungtask_pm_notify+0x50/0x50 [ 573.707968][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.712539][ T27] ret_from_fork+0x1f/0x30 [ 573.716953][ T27] [ 573.720072][ T27] Sending NMI from CPU 0 to CPUs 1: [ 573.725297][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 573.726332][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 573.741847][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.119-syzkaller #0 [ 573.749799][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 573.759829][ T27] Call Trace: [ 573.763175][ T27] [ 573.766085][ T27] dump_stack_lvl+0x1e3/0x2cb [ 573.770746][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d [ 573.776357][ T27] ? panic+0x84d/0x84d [ 573.780495][ T27] panic+0x318/0x84d [ 573.784369][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 573.790066][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 573.796203][ T27] ? fb_is_primary_device+0xcc/0xcc [ 573.801378][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 573.807425][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 573.813554][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 573.819684][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 573.825816][ T27] watchdog+0xeb0/0xeb0 [ 573.829956][ T27] kthread+0x3f6/0x4f0 [ 573.834008][ T27] ? hungtask_pm_notify+0x50/0x50 [ 573.839012][ T27] ? kthread_blkcg+0xd0/0xd0 [ 573.843580][ T27] ret_from_fork+0x1f/0x30 [ 573.847998][ T27] [ 573.851183][ T27] Kernel Offset: disabled [ 573.855495][ T27] Rebooting in 86400 seconds..