Warning: Permanently added '10.128.1.125' (ED25519) to the list of known hosts.
executing program
[ 428.036086][ T3536] nbd0: detected capacity change from 0 to 4194303
[ 428.154644][ T146] block nbd0: Receive control failed (result -104)
[ 428.155375][ T3533] block nbd0: shutting down sockets
[ 428.167469][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 428.178545][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 428.186423][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 428.193135][ T3535] Dev nbd0: unable to read RDB block 0
[ 428.198751][ T3535] nbd0: unable to read partition table
executing program
[ 428.204502][ T3535] nbd0: partition table beyond EOD, truncated
executing program
[ 428.264535][ T3538] block nbd0: Device being setup by another task
[ 428.271297][ T3538] nbd0: detected capacity change from 0 to 4194303
[ 428.392459][ T3541] nbd0: detected capacity change from 0 to 4194303
[ 428.510123][ T146] block nbd0: Receive control failed (result -104)
[ 428.510584][ T3542] block nbd0: shutting down sockets
[ 428.522720][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 428.533568][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 428.541414][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 428.548174][ T3535] Dev nbd0: unable to read RDB block 0
[ 428.553679][ T3535] nbd0: unable to read partition table
executing program
[ 428.559507][ T3535] nbd0: partition table beyond EOD, truncated
[ 428.655949][ T3545] nbd0: detected capacity change from 0 to 4194303
[ 428.775344][ T146] block nbd0: Receive control failed (result -104)
[ 428.775608][ T3544] block nbd0: shutting down sockets
[ 428.787377][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 428.798344][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 428.806230][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 428.812833][ T3535] Dev nbd0: unable to read RDB block 0
[ 428.818451][ T3535] nbd0: unable to read partition table
executing program
[ 428.824071][ T3535] nbd0: partition table beyond EOD, truncated
[ 428.935875][ T3548] nbd0: detected capacity change from 0 to 4194303
[ 429.055874][ T146] block nbd0: Receive control failed (result -104)
[ 429.057377][ T3547] block nbd0: shutting down sockets
[ 429.068849][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 429.079672][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 429.087523][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 429.094151][ T3535] Dev nbd0: unable to read RDB block 0
[ 429.099762][ T3535] nbd0: unable to read partition table
executing program
[ 429.105442][ T3535] nbd0: partition table beyond EOD, truncated
[ 429.215979][ T3551] nbd0: detected capacity change from 0 to 4194303
[ 429.334946][ T146] block nbd0: Receive control failed (result -104)
[ 429.335233][ T3550] block nbd0: shutting down sockets
[ 429.347407][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 429.358341][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 429.366278][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 429.372883][ T3535] Dev nbd0: unable to read RDB block 0
[ 429.378471][ T3535] nbd0: unable to read partition table
executing program
[ 429.384116][ T3535] nbd0: partition table beyond EOD, truncated
[ 429.500538][ T3553] nbd0: detected capacity change from 0 to 4194303
[ 429.618289][ T146] block nbd0: Receive control failed (result -104)
[ 429.619868][ T3554] block nbd0: shutting down sockets
[ 429.631173][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 429.642010][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 429.649881][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 429.656638][ T3535] Dev nbd0: unable to read RDB block 0
[ 429.662178][ T3535] nbd0: unable to read partition table
executing program
[ 429.667891][ T3535] nbd0: partition table beyond EOD, truncated
[ 429.775968][ T3557] nbd0: detected capacity change from 0 to 4194303
[ 429.893220][ T146] block nbd0: Receive control failed (result -104)
[ 429.894969][ T3556] block nbd0: shutting down sockets
[ 429.906066][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 429.916863][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 429.924733][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 429.931368][ T3535] Dev nbd0: unable to read RDB block 0
executing program
[ 429.938629][ T3535] nbd0: unable to read partition table
[ 429.944237][ T3535] nbd0: partition table beyond EOD, truncated
[ 430.055999][ T3560] nbd0: detected capacity change from 0 to 4194303
[ 430.173076][ T146] block nbd0: Receive control failed (result -104)
[ 430.173852][ T3559] block nbd0: shutting down sockets
[ 430.186114][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 430.197013][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 430.204960][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 430.211563][ T3535] Dev nbd0: unable to read RDB block 0
[ 430.217122][ T3535] nbd0: unable to read partition table
executing program
[ 430.222753][ T3535] nbd0: partition table beyond EOD, truncated
[ 430.325829][ T3563] nbd0: detected capacity change from 0 to 4194303
[ 430.442841][ T146] block nbd0: Receive control failed (result -104)
[ 430.443912][ T3562] block nbd0: shutting down sockets
[ 430.454927][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 430.465757][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 430.473708][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 430.480529][ T3535] Dev nbd0: unable to read RDB block 0
[ 430.486132][ T3535] nbd0: unable to read partition table
executing program
[ 430.491845][ T3535] nbd0: partition table beyond EOD, truncated
[ 430.595807][ T3566] nbd0: detected capacity change from 0 to 4194303
[ 430.713025][ T146] block nbd0: Receive control failed (result -104)
[ 430.713865][ T3565] block nbd0: shutting down sockets
[ 430.725938][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 430.736770][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 430.744610][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 430.751211][ T3535] Dev nbd0: unable to read RDB block 0
[ 430.756752][ T3535] nbd0: unable to read partition table
executing program
[ 430.762350][ T3535] nbd0: partition table beyond EOD, truncated
[ 430.875877][ T3569] nbd0: detected capacity change from 0 to 4194303
executing program
[ 430.993438][ T146] block nbd0: Receive control failed (result -104)
[ 430.994881][ T3568] block nbd0: shutting down sockets
[ 431.007725][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 431.014733][ T3535] Dev nbd0: unable to read RDB block 0
[ 431.020247][ T3535] nbd0: unable to read partition table
[ 431.026056][ T3535] nbd0: partition table beyond EOD, truncated
executing program
[ 431.084474][ T3571] block nbd0: Device being setup by another task
[ 431.091475][ T3571] nbd0: detected capacity change from 0 to 4194303
[ 431.207453][ T3574] nbd0: detected capacity change from 0 to 4194303
executing program
[ 431.325822][ T146] block nbd0: Receive control failed (result -104)
[ 431.326498][ T3575] block nbd0: shutting down sockets
[ 431.338630][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 431.345380][ T3535] Dev nbd0: unable to read RDB block 0
[ 431.351016][ T3535] nbd0: unable to read partition table
[ 431.356785][ T3535] nbd0: partition table beyond EOD, truncated
executing program
[ 431.404521][ T3577] block nbd0: Device being setup by another task
[ 431.411197][ T3577] nbd0: detected capacity change from 0 to 4194303
[ 431.525886][ T3580] nbd0: detected capacity change from 0 to 4194303
executing program
[ 431.644275][ T146] block nbd0: Receive control failed (result -104)
[ 431.645097][ T3579] block nbd0: shutting down sockets
[ 431.657949][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 431.664824][ T3535] Dev nbd0: unable to read RDB block 0
[ 431.670372][ T3535] nbd0: unable to read partition table
[ 431.676254][ T3535] nbd0: partition table beyond EOD, truncated
[ 431.790477][ T3582] nbd0: detected capacity change from 0 to 4194303
executing program
[ 431.908970][ T146] block nbd0: Receive control failed (result -104)
[ 431.909761][ T3583] block nbd0: shutting down sockets
[ 431.922462][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 431.929165][ T3535] Dev nbd0: unable to read RDB block 0
[ 431.934672][ T3535] nbd0: unable to read partition table
[ 431.940359][ T3535] nbd0: partition table beyond EOD, truncated
[ 432.055494][ T3585] nbd0: detected capacity change from 0 to 4194303
executing program
[ 432.172870][ T146] block nbd0: Receive control failed (result -104)
[ 432.173491][ T3586] block nbd0: shutting down sockets
[ 432.186764][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 432.193495][ T3535] Dev nbd0: unable to read RDB block 0
[ 432.199074][ T3535] nbd0: unable to read partition table
[ 432.204904][ T3535] nbd0: partition table beyond EOD, truncated
[ 432.305806][ T3589] nbd0: detected capacity change from 0 to 4194303
executing program
[ 432.424476][ T146] block nbd0: Receive control failed (result -104)
[ 432.425053][ T3588] block nbd0: shutting down sockets
[ 432.437557][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 432.444284][ T3535] Dev nbd0: unable to read RDB block 0
[ 432.450024][ T3535] nbd0: unable to read partition table
[ 432.455861][ T3535] nbd0: partition table beyond EOD, truncated
executing program
[ 432.534592][ T3591] block nbd0: Device being setup by another task
[ 432.541390][ T3591] nbd0: detected capacity change from 0 to 4194303
[ 432.656843][ T3595] nbd0: detected capacity change from 0 to 4194303
executing program
[ 432.774274][ T146] block nbd0: Receive control failed (result -104)
[ 432.775143][ T3594] block nbd0: shutting down sockets
[ 432.787300][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 432.793899][ T3535] Dev nbd0: unable to read RDB block 0
[ 432.799479][ T3535] nbd0: unable to read partition table
[ 432.805144][ T3535] nbd0: partition table beyond EOD, truncated
executing program
[ 432.854511][ T3597] block nbd0: Device being setup by another task
[ 432.861087][ T3597] nbd0: detected capacity change from 0 to 4194303
[ 432.977569][ T3599] nbd0: detected capacity change from 0 to 4194303
executing program
[ 433.095671][ T146] block nbd0: Receive control failed (result -104)
[ 433.096077][ T3600] block nbd0: shutting down sockets
[ 433.108845][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 433.115774][ T3535] Dev nbd0: unable to read RDB block 0
[ 433.121392][ T3535] nbd0: unable to read partition table
[ 433.127268][ T3535] nbd0: partition table beyond EOD, truncated
[ 433.184715][ T3602] block nbd0: Device being setup by another task
[ 433.191416][ T3602] nbd0: detected capacity change from 0 to 4194303
[ 433.199089][ T264] print_req_error: 46 callbacks suppressed
[ 433.199104][ T264] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.215968][ T264] buffer_io_error: 46 callbacks suppressed
[ 433.215981][ T264] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.229936][ T264] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.240826][ T264] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.248954][ T264] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.259798][ T264] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.268038][ T264] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.278878][ T264] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.286894][ T264] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.297727][ T264] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.305751][ T264] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.316590][ T264] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.324611][ T264] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.335416][ T264] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.343340][ T150] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.354165][ T150] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.362007][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 433.368739][ T150] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
executing program
[ 433.379536][ T150] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.387442][ T264] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[ 433.398447][ T264] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 433.406604][ T3535] Dev nbd0: unable to read RDB block 0
[ 433.412527][ T3535] nbd0: unable to read partition table
[ 433.421687][ T3535] ldm_validate_partition_table(): Disk read failed.
[ 433.428714][ T3535] Dev nbd0: unable to read RDB block 0
[ 433.434863][ T3535] nbd0: unable to read partition table
[ 433.441957][ T3605] ldm_validate_partition_table(): Disk read failed.
[ 433.449376][ T3605] Dev nbd0: unable to read RDB block 0
[ 433.455459][ T3605] nbd0: unable to read partition table
executing program
[ 433.494435][ T3605] block nbd0: Device being setup by another task
[ 433.605982][ T3608] nbd0: detected capacity change from 0 to 4194303
[ 433.725202][ T146] block nbd0: Receive control failed (result -104)
[ 464.124546][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 30 seconds
[ 493.686875][ T2964] udevd[2964]: worker [3535] /devices/virtual/block/nbd0 is taking a long time
[ 494.204520][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 60 seconds
[ 524.284572][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 90 seconds
[ 554.364493][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 120 seconds
[ 584.444500][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 150 seconds
[ 613.847009][ T2964] udevd[2964]: worker [3535] /devices/virtual/block/nbd0 timeout; kill it
[ 613.855696][ T2964] udevd[2964]: seq 7528 '/devices/virtual/block/nbd0' killed
[ 614.524441][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 180 seconds
[ 644.604493][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 210 seconds
[ 674.684475][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 240 seconds
[ 704.764455][ T150] block nbd0: Possible stuck request ffff88801b8a5200: control (read@0,4096B). Runtime 270 seconds
[ 716.284448][ T27] INFO: task udevd:3535 blocked for more than 143 seconds.
[ 716.291742][ T27] Not tainted 5.15.148-syzkaller #0
[ 716.297596][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.306431][ T27] task:udevd state:D stack:23904 pid: 3535 ppid: 2964 flags:0x00004006
[ 716.315717][ T27] Call Trace:
[ 716.319043][ T27]
[ 716.321998][ T27] __schedule+0x12c4/0x45b0
[ 716.326669][ T27] ? release_firmware_map_entry+0x18b/0x18b
[ 716.332614][ T27] ? preempt_schedule+0xd9/0xe0
[ 716.337657][ T27] ? release_firmware_map_entry+0x18b/0x18b
[ 716.343580][ T27] ? preempt_schedule+0xd9/0xe0
[ 716.348497][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 716.354148][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.360305][ T27] ? print_irqtrace_events+0x210/0x210
[ 716.365842][ T27] ? _raw_spin_lock_irq+0xdb/0x110
[ 716.371109][ T27] schedule+0x11b/0x1f0
[ 716.375448][ T27] io_schedule+0x88/0x100
[ 716.379822][ T27] wait_on_page_bit_common+0xa13/0x1180
[ 716.385486][ T27] ? wait_on_page_bit+0x50/0x50
[ 716.390352][ T27] ? blkdev_fallocate+0x4e0/0x4e0
[ 716.395533][ T27] ? rcu_lock_release+0x20/0x20
[ 716.400418][ T27] ? vsnprintf+0x1c70/0x1c70
[ 716.405193][ T27] do_read_cache_page+0x9c1/0x1040
[ 716.411198][ T27] read_part_sector+0xd8/0x530
[ 716.416089][ T27] adfspart_check_ICS+0xd9/0xd00
[ 716.421060][ T27] ? ptr_to_hashval+0x60/0x60
[ 716.425824][ T27] ? adfspart_check_ADFS+0x8b0/0x8b0
[ 716.431123][ T27] ? snprintf+0xd6/0x120
[ 716.435435][ T27] ? __rmqueue_pcplist+0x2030/0x2030
[ 716.440755][ T27] ? __vmalloc_node_range+0x6aa/0x8c0
[ 716.446219][ T27] ? vsnprintf+0x1b8c/0x1c70
[ 716.450822][ T27] ? vsnprintf+0x191/0x1c70
[ 716.455651][ T27] ? vscnprintf+0x80/0x80
[ 716.460005][ T27] ? alloc_pages+0x458/0x570
[ 716.464706][ T27] bdev_disk_changed+0x964/0x16c0
[ 716.469760][ T27] ? blk_drop_partitions+0x1b0/0x1b0
[ 716.475115][ T27] ? iput+0x371/0x8b0
[ 716.479166][ T27] blkdev_get_whole+0x2fb/0x390
[ 716.484019][ T27] blkdev_get_by_dev+0x2bc/0xa50
[ 716.489012][ T27] blkdev_open+0x138/0x2d0
[ 716.493448][ T27] ? block_ioctl+0xf0/0xf0
[ 716.497927][ T27] do_dentry_open+0x807/0xfb0
[ 716.502688][ T27] path_openat+0x2702/0x2f20
[ 716.507368][ T27] ? validate_chain+0x112/0x5930
[ 716.512327][ T27] ? mark_lock+0x98/0x340
[ 716.516732][ T27] ? do_filp_open+0x460/0x460
[ 716.521439][ T27] do_filp_open+0x21c/0x460
[ 716.525991][ T27] ? vfs_tmpfile+0x2e0/0x2e0
[ 716.530613][ T27] ? _raw_spin_unlock+0x24/0x40
[ 716.535528][ T27] ? alloc_fd+0x594/0x630
[ 716.539925][ T27] do_sys_openat2+0x13b/0x500
[ 716.544646][ T27] ? read_lock_is_recursive+0x10/0x10
[ 716.550167][ T27] ? do_sys_open+0x220/0x220
[ 716.555009][ T27] ? __fdget+0x158/0x220
[ 716.559308][ T27] __x64_sys_openat+0x243/0x290
[ 716.564163][ T27] ? __ia32_sys_open+0x270/0x270
[ 716.569144][ T27] ? syscall_enter_from_user_mode+0x2e/0x230
[ 716.575249][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 716.580461][ T27] ? syscall_enter_from_user_mode+0x2e/0x230
[ 716.586481][ T27] do_syscall_64+0x3d/0xb0
[ 716.590988][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 716.597082][ T27] RIP: 0033:0x7eff22c519a4
[ 716.601522][ T27] RSP: 002b:00007ffe2f398c10 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 716.610104][ T27] RAX: ffffffffffffffda RBX: 000055b09fe77cf0 RCX: 00007eff22c519a4
[ 716.618155][ T27] RDX: 00000000000a0800 RSI: 000055b09fe69f20 RDI: 00000000ffffff9c
[ 716.626184][ T27] RBP: 000055b09fe69f20 R08: 0000000000000001 R09: 0000000000000010
[ 716.634182][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
[ 716.642415][ T27] R13: 000055b09fe7edc0 R14: 0000000000000001 R15: 000055b09fe56910
[ 716.650444][ T27]
[ 716.653479][ T27] INFO: task syz-executor314:3607 blocked for more than 143 seconds.
[ 716.661719][ T27] Not tainted 5.15.148-syzkaller #0
[ 716.667473][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.676216][ T27] task:syz-executor314 state:D stack:25848 pid: 3607 ppid: 3531 flags:0x00004006
[ 716.685572][ T27] Call Trace:
[ 716.688862][ T27]
[ 716.691792][ T27] __schedule+0x12c4/0x45b0
[ 716.696382][ T27] ? release_firmware_map_entry+0x18b/0x18b
[ 716.702294][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 716.707816][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 716.713049][ T27] schedule+0x11b/0x1f0
[ 716.717280][ T27] schedule_preempt_disabled+0xf/0x20
[ 716.722664][ T27] __mutex_lock_common+0xe34/0x25a0
[ 716.728073][ T27] ? blkdev_put+0xfb/0x790
[ 716.732527][ T27] ? mutex_lock_io_nested+0x60/0x60
[ 716.737814][ T27] mutex_lock_nested+0x17/0x20
[ 716.742596][ T27] blkdev_put+0xfb/0x790
[ 716.746926][ T27] ? __rwlock_init+0x140/0x140
[ 716.751714][ T27] blkdev_close+0x7c/0xa0
[ 716.756133][ T27] ? blkdev_open+0x2d0/0x2d0
[ 716.760736][ T27] __fput+0x3bf/0x890
[ 716.764779][ T27] task_work_run+0x129/0x1a0
[ 716.769472][ T27] exit_to_user_mode_loop+0x106/0x130
[ 716.774972][ T27] exit_to_user_mode_prepare+0xb1/0x140
[ 716.780534][ T27] syscall_exit_to_user_mode+0x5d/0x250
[ 716.786142][ T27] do_syscall_64+0x49/0xb0
[ 716.790595][ T27] entry_SYSCALL_64_after_hwframe+0x61/0xcb
[ 716.796558][ T27] RIP: 0033:0x7f9f74f534b9
[ 716.801002][ T27] RSP: 002b:00007f9f74f11228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 716.809550][ T27] RAX: 0000000000000000 RBX: 00007f9f74fda328 RCX: 00007f9f74f534b9
[ 716.817570][ T27] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 716.825574][ T27] RBP: 00007f9f74fda320 R08: 00007f9f74f116c0 R09: 00007f9f74f116c0
[ 716.833554][ T27] R10: 00007f9f74f116c0 R11: 0000000000000246 R12: 00007f9f74fda32c
[ 716.841583][ T27] R13: 00007f9f74fa71a4 R14: 64626e2f7665642f R15: 00007ffe05f69318
[ 716.849629][ T27]
[ 716.852658][ T27]
[ 716.852658][ T27] Showing all locks held in the system:
[ 716.860518][ T27] 1 lock held by khungtaskd/27:
[ 716.865422][ T27] #0: ffffffff8c91f220 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 716.874822][ T27] 1 lock held by klogd/2953:
[ 716.879415][ T27] #0: ffff8880b9b39718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140
[ 716.889521][ T27] 2 locks held by getty/3259:
[ 716.894254][ T27] #0: ffff88802481f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 716.905576][ T27] #1: ffffc9000250b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 716.915757][ T27] 1 lock held by udevd/3535:
[ 716.920340][ T27] #0: ffff88801b845918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[ 716.930393][ T27] 1 lock held by syz-executor314/3607:
[ 716.935893][ T27] #0: ffff88801b845918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[ 716.945276][ T27]
[ 716.947603][ T27] =============================================
[ 716.947603][ T27]
[ 716.956081][ T27] NMI backtrace for cpu 0
[ 716.960431][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.148-syzkaller #0
[ 716.968484][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 716.978525][ T27] Call Trace:
[ 716.981793][ T27]
[ 716.984714][ T27] dump_stack_lvl+0x1e3/0x2cb
[ 716.989404][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d
[ 716.995031][ T27] ? panic+0x84d/0x84d
[ 716.999094][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 717.004247][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 717.009290][ T27] ? __wake_up_klogd+0xd5/0x100
[ 717.014143][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 717.020319][ T27] ? _printk+0xd1/0x111
[ 717.024467][ T27] ? panic+0x84d/0x84d
[ 717.028554][ T27] ? __wake_up_klogd+0xcc/0x100
[ 717.033397][ T27] ? panic+0x84d/0x84d
[ 717.037461][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.043548][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 717.049525][ T27] watchdog+0xe72/0xeb0
[ 717.053718][ T27] kthread+0x3f6/0x4f0
[ 717.057783][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.062798][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.067466][ T27] ret_from_fork+0x1f/0x30
[ 717.071916][ T27]
[ 717.075069][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 717.080313][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 717.081355][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.095872][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.148-syzkaller #0
[ 717.103844][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 717.113890][ T27] Call Trace:
[ 717.117161][ T27]
[ 717.120213][ T27] dump_stack_lvl+0x1e3/0x2cb
[ 717.124888][ T27] ? io_uring_drop_tctx_refs+0x19d/0x19d
[ 717.130512][ T27] ? panic+0x84d/0x84d
[ 717.134690][ T27] panic+0x318/0x84d
[ 717.138578][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 717.144204][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.150369][ T27] ? fb_is_primary_device+0xcc/0xcc
[ 717.155559][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.161644][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 717.167792][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 717.173941][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 717.180098][ T27] watchdog+0xeb0/0xeb0
[ 717.184250][ T27] kthread+0x3f6/0x4f0
[ 717.188330][ T27] ? hungtask_pm_notify+0x50/0x50
[ 717.193345][ T27] ? kthread_blkcg+0xd0/0xd0
[ 717.198028][ T27] ret_from_fork+0x1f/0x30
[ 717.202450][ T27]
[ 717.205565][ T27] Kernel Offset: disabled
[ 717.209889][ T27] Rebooting in 86400 seconds..