Warning: Permanently added '10.128.1.189' (ED25519) to the list of known hosts. executing program [ 129.463928][ T4046] nbd0: detected capacity change from 0 to 126 [ 129.578062][ T144] block nbd0: Receive control failed (result -104) [ 129.578599][ T4043] block nbd0: shutting down sockets [ 129.581884][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 129.584240][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 129.585879][ T4045] ldm_validate_partition_table(): Disk read failed. [ 129.587244][ T4045] Dev nbd0: unable to read RDB block 0 [ 129.588285][ T4045] nbd0: unable to read partition table [ 129.589396][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 129.714276][ T4048] nbd0: detected capacity change from 0 to 126 [ 129.829540][ T144] block nbd0: Receive control failed (result -104) [ 129.830323][ T4049] block nbd0: shutting down sockets [ 129.836488][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 129.838768][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 129.840517][ T4045] ldm_validate_partition_table(): Disk read failed. [ 129.842019][ T4045] Dev nbd0: unable to read RDB block 0 [ 129.843260][ T4045] nbd0: unable to read partition table [ 129.844539][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 129.953795][ T4052] nbd0: detected capacity change from 0 to 126 [ 130.068993][ T144] block nbd0: Receive control failed (result -104) [ 130.069228][ T4051] block nbd0: shutting down sockets [ 130.072506][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 130.074781][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 130.076525][ T4045] ldm_validate_partition_table(): Disk read failed. [ 130.077926][ T4045] Dev nbd0: unable to read RDB block 0 [ 130.079152][ T4045] nbd0: unable to read partition table [ 130.080419][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 130.196265][ T4054] nbd0: detected capacity change from 0 to 126 [ 130.311435][ T144] block nbd0: Receive control failed (result -104) [ 130.312026][ T4055] block nbd0: shutting down sockets [ 130.315736][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 130.317938][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 130.319522][ T4045] ldm_validate_partition_table(): Disk read failed. [ 130.320981][ T4045] Dev nbd0: unable to read RDB block 0 [ 130.322145][ T4045] nbd0: unable to read partition table [ 130.323256][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 130.433737][ T4058] nbd0: detected capacity change from 0 to 126 [ 130.546848][ T144] block nbd0: Receive control failed (result -104) [ 130.547271][ T4057] block nbd0: shutting down sockets [ 130.550888][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 130.553211][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 130.554778][ T4045] ldm_validate_partition_table(): Disk read failed. [ 130.555983][ T4045] Dev nbd0: unable to read RDB block 0 [ 130.557172][ T4045] nbd0: unable to read partition table [ 130.558420][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 130.663713][ T4061] nbd0: detected capacity change from 0 to 126 [ 130.777737][ T144] block nbd0: Receive control failed (result -104) [ 130.778119][ T4060] block nbd0: shutting down sockets [ 130.782651][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 130.784853][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 130.786492][ T4045] ldm_validate_partition_table(): Disk read failed. [ 130.787834][ T4045] Dev nbd0: unable to read RDB block 0 [ 130.788975][ T4045] nbd0: unable to read partition table [ 130.790121][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 130.883816][ T4064] nbd0: detected capacity change from 0 to 126 [ 130.997721][ T144] block nbd0: Receive control failed (result -104) [ 130.997937][ T4063] block nbd0: shutting down sockets [ 131.002463][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 131.004708][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 131.006554][ T149] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 131.008819][ T149] Buffer I/O error on dev nbd0, logical block 0, async page read [ 131.010523][ T4045] ldm_validate_partition_table(): Disk read failed. [ 131.011967][ T4045] Dev nbd0: unable to read RDB block 0 [ 131.013115][ T4045] nbd0: unable to read partition table [ 131.014189][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 131.124851][ T4067] nbd0: detected capacity change from 0 to 126 [ 131.239442][ T144] block nbd0: Receive control failed (result -104) [ 131.239692][ T4066] block nbd0: shutting down sockets [ 131.244945][ C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 131.247012][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 131.248675][ T226] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 131.250818][ T226] Buffer I/O error on dev nbd0, logical block 0, async page read [ 131.252427][ T4045] ldm_validate_partition_table(): Disk read failed. [ 131.253695][ T4045] Dev nbd0: unable to read RDB block 0 [ 131.254784][ T4045] nbd0: unable to read partition table [ 131.255860][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 131.363774][ T4070] nbd0: detected capacity change from 0 to 126 [ 131.478461][ T144] block nbd0: Receive control failed (result -104) [ 131.478902][ T4069] block nbd0: shutting down sockets [ 131.483045][ T4045] ldm_validate_partition_table(): Disk read failed. [ 131.484397][ T4045] Dev nbd0: unable to read RDB block 0 [ 131.485460][ T4045] nbd0: unable to read partition table [ 131.486703][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 131.594669][ T4073] nbd0: detected capacity change from 0 to 126 [ 131.710035][ T144] block nbd0: Receive control failed (result -104) [ 131.710475][ T4072] block nbd0: shutting down sockets [ 131.714897][ T4045] ldm_validate_partition_table(): Disk read failed. [ 131.716157][ T4045] Dev nbd0: unable to read RDB block 0 [ 131.717132][ T4045] nbd0: unable to read partition table [ 131.718262][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 131.823864][ T4076] nbd0: detected capacity change from 0 to 126 [ 131.939292][ T144] block nbd0: Receive control failed (result -104) [ 131.939743][ T4075] block nbd0: shutting down sockets [ 131.942904][ T4045] ldm_validate_partition_table(): Disk read failed. [ 131.944136][ T4045] Dev nbd0: unable to read RDB block 0 [ 131.945179][ T4045] nbd0: unable to read partition table [ 131.946336][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 132.053738][ T4079] nbd0: detected capacity change from 0 to 126 [ 132.168825][ T144] block nbd0: Receive control failed (result -104) [ 132.169219][ T4078] block nbd0: shutting down sockets [ 132.172950][ T4045] ldm_validate_partition_table(): Disk read failed. [ 132.174332][ T4045] Dev nbd0: unable to read RDB block 0 [ 132.175428][ T4045] nbd0: unable to read partition table [ 132.176674][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 132.273659][ T4082] nbd0: detected capacity change from 0 to 126 [ 132.388523][ T144] block nbd0: Receive control failed (result -104) [ 132.388788][ T4081] block nbd0: shutting down sockets [ 132.392898][ T4045] ldm_validate_partition_table(): Disk read failed. [ 132.394200][ T4045] Dev nbd0: unable to read RDB block 0 [ 132.395349][ T4045] nbd0: unable to read partition table [ 132.396428][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 132.513806][ T4085] nbd0: detected capacity change from 0 to 126 [ 132.629199][ T144] block nbd0: Receive control failed (result -104) [ 132.629428][ T4084] block nbd0: shutting down sockets [ 132.634014][ T4045] ldm_validate_partition_table(): Disk read failed. [ 132.635410][ T4045] Dev nbd0: unable to read RDB block 0 [ 132.636561][ T4045] nbd0: unable to read partition table [ 132.637979][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 132.748281][ T4087] nbd0: detected capacity change from 0 to 126 [ 132.861952][ T144] block nbd0: Receive control failed (result -104) [ 132.862768][ T4088] block nbd0: shutting down sockets [ 132.868132][ T4045] ldm_validate_partition_table(): Disk read failed. [ 132.869462][ T4045] Dev nbd0: unable to read RDB block 0 [ 132.870425][ T4045] nbd0: unable to read partition table [ 132.871555][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 132.983266][ T4090] nbd0: detected capacity change from 0 to 126 [ 133.097256][ T144] block nbd0: Receive control failed (result -104) [ 133.097982][ T4091] block nbd0: shutting down sockets [ 133.104324][ T4045] ldm_validate_partition_table(): Disk read failed. [ 133.105634][ T4045] Dev nbd0: unable to read RDB block 0 [ 133.106610][ T4045] nbd0: unable to read partition table [ 133.107819][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 133.203647][ T4094] nbd0: detected capacity change from 0 to 126 [ 133.318034][ T144] block nbd0: Receive control failed (result -104) [ 133.318461][ T4093] block nbd0: shutting down sockets [ 133.322691][ T4045] ldm_validate_partition_table(): Disk read failed. [ 133.323989][ T4045] Dev nbd0: unable to read RDB block 0 [ 133.324998][ T4045] nbd0: unable to read partition table [ 133.326128][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 133.442548][ T4096] nbd0: detected capacity change from 0 to 126 [ 133.556383][ T144] block nbd0: Receive control failed (result -104) [ 133.557142][ T4097] block nbd0: shutting down sockets [ 133.561446][ T4045] ldm_validate_partition_table(): Disk read failed. [ 133.562895][ T4045] Dev nbd0: unable to read RDB block 0 [ 133.564115][ T4045] nbd0: unable to read partition table [ 133.565469][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 133.673608][ T4100] nbd0: detected capacity change from 0 to 126 [ 133.788507][ T144] block nbd0: Receive control failed (result -104) [ 133.788903][ T4099] block nbd0: shutting down sockets [ 133.793187][ T4045] ldm_validate_partition_table(): Disk read failed. [ 133.794607][ T4045] Dev nbd0: unable to read RDB block 0 [ 133.795685][ T4045] nbd0: unable to read partition table [ 133.796896][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 133.910202][ T4102] nbd0: detected capacity change from 0 to 126 [ 134.024616][ T144] block nbd0: Receive control failed (result -104) [ 134.024963][ T4103] block nbd0: shutting down sockets [ 134.030610][ T4045] ldm_validate_partition_table(): Disk read failed. [ 134.032020][ T4045] Dev nbd0: unable to read RDB block 0 [ 134.033375][ T4045] nbd0: unable to read partition table [ 134.034565][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 134.143763][ T4106] nbd0: detected capacity change from 0 to 126 [ 134.257599][ T144] block nbd0: Receive control failed (result -104) [ 134.258130][ T4105] block nbd0: shutting down sockets [ 134.262883][ T4045] ldm_validate_partition_table(): Disk read failed. [ 134.264146][ T4045] Dev nbd0: unable to read RDB block 0 [ 134.265180][ T4045] nbd0: unable to read partition table [ 134.266470][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 134.363650][ T4109] nbd0: detected capacity change from 0 to 126 [ 134.479591][ T144] block nbd0: Receive control failed (result -104) [ 134.479838][ T4108] block nbd0: shutting down sockets [ 134.482956][ T4045] ldm_validate_partition_table(): Disk read failed. [ 134.484258][ T4045] Dev nbd0: unable to read RDB block 0 [ 134.485286][ T4045] nbd0: unable to read partition table [ 134.486641][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 134.583685][ T4112] nbd0: detected capacity change from 0 to 126 [ 134.698194][ T144] block nbd0: Receive control failed (result -104) [ 134.698610][ T4111] block nbd0: shutting down sockets [ 134.702613][ C0] print_req_error: 33 callbacks suppressed [ 134.702626][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 134.705869][ C0] buffer_io_error: 33 callbacks suppressed [ 134.705881][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 134.708698][ T4045] ldm_validate_partition_table(): Disk read failed. [ 134.710011][ T4045] Dev nbd0: unable to read RDB block 0 [ 134.711007][ T4045] nbd0: unable to read partition table [ 134.712282][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 134.803734][ T4115] nbd0: detected capacity change from 0 to 126 [ 134.917279][ T144] block nbd0: Receive control failed (result -104) [ 134.917529][ T4114] block nbd0: shutting down sockets [ 134.922695][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 134.924771][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 134.926556][ T149] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 134.928745][ T149] Buffer I/O error on dev nbd0, logical block 0, async page read [ 134.930502][ T4045] ldm_validate_partition_table(): Disk read failed. [ 134.931861][ T4045] Dev nbd0: unable to read RDB block 0 [ 134.933027][ T4045] nbd0: unable to read partition table [ 134.934282][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 135.043672][ T4118] nbd0: detected capacity change from 0 to 126 [ 135.157885][ T144] block nbd0: Receive control failed (result -104) [ 135.158309][ T4117] block nbd0: shutting down sockets [ 135.162638][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 135.164844][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 135.166493][ T4045] ldm_validate_partition_table(): Disk read failed. [ 135.167888][ T4045] Dev nbd0: unable to read RDB block 0 [ 135.169004][ T4045] nbd0: unable to read partition table [ 135.170185][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 135.273735][ T4121] nbd0: detected capacity change from 0 to 126 [ 135.387380][ T144] block nbd0: Receive control failed (result -104) [ 135.387605][ T4120] block nbd0: shutting down sockets [ 135.392727][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 135.394944][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 135.396738][ T149] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 135.398960][ T149] Buffer I/O error on dev nbd0, logical block 0, async page read [ 135.400597][ T4045] ldm_validate_partition_table(): Disk read failed. [ 135.402126][ T4045] Dev nbd0: unable to read RDB block 0 [ 135.403147][ T4045] nbd0: unable to read partition table [ 135.404380][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 135.503643][ T4124] nbd0: detected capacity change from 0 to 126 [ 135.618248][ T144] block nbd0: Receive control failed (result -104) [ 135.618681][ T4123] block nbd0: shutting down sockets [ 135.622667][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 135.624812][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 135.626439][ T4045] ldm_validate_partition_table(): Disk read failed. [ 135.627817][ T4045] Dev nbd0: unable to read RDB block 0 [ 135.628984][ T4045] nbd0: unable to read partition table [ 135.630256][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 135.723771][ T4127] nbd0: detected capacity change from 0 to 126 [ 135.836979][ T144] block nbd0: Receive control failed (result -104) [ 135.837181][ T4126] block nbd0: shutting down sockets [ 135.842745][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 135.844973][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 135.846672][ T4045] ldm_validate_partition_table(): Disk read failed. [ 135.848068][ T4045] Dev nbd0: unable to read RDB block 0 [ 135.849136][ T4045] nbd0: unable to read partition table [ 135.850282][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 135.963651][ T4130] nbd0: detected capacity change from 0 to 126 [ 136.076974][ T144] block nbd0: Receive control failed (result -104) [ 136.077377][ T4129] block nbd0: shutting down sockets [ 136.083196][ C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 136.085380][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 136.087155][ T149] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 136.089228][ T149] Buffer I/O error on dev nbd0, logical block 0, async page read [ 136.090734][ T4045] ldm_validate_partition_table(): Disk read failed. [ 136.092135][ T4045] Dev nbd0: unable to read RDB block 0 [ 136.093151][ T4045] nbd0: unable to read partition table [ 136.094313][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 136.203686][ T4133] nbd0: detected capacity change from 0 to 126 [ 136.317232][ T144] block nbd0: Receive control failed (result -104) [ 136.317485][ T4132] block nbd0: shutting down sockets [ 136.333122][ T4045] ldm_validate_partition_table(): Disk read failed. [ 136.334535][ T4045] Dev nbd0: unable to read RDB block 0 [ 136.335654][ T4045] nbd0: unable to read partition table [ 136.336974][ T4045] nbd0: partition table beyond EOD, truncated executing program [ 136.514008][ T4137] nbd0: detected capacity change from 0 to 126 [ 136.619568][ T144] block nbd0: Receive control failed (result -104) [ 166.902228][ T149] block nbd0: Possible stuck request 000000004beea465: control (read@0,4096B). Runtime 30 seconds [ 196.586052][ T3641] udevd[3641]: worker [4045] /devices/virtual/block/nbd0 is taking a long time [ 196.982247][ T149] block nbd0: Possible stuck request 000000004beea465: control (read@0,4096B). Runtime 60 seconds [ 227.062241][ T149] block nbd0: Possible stuck request 000000004beea465: control (read@0,4096B). Runtime 90 seconds [ 257.142248][ T149] block nbd0: Possible stuck request 000000004beea465: control (read@0,4096B). Runtime 120 seconds [ 284.662272][ T27] INFO: task udevd:4045 blocked for more than 143 seconds. [ 284.664002][ T27] Not tainted 5.15.169-syzkaller #0 [ 284.665348][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.667167][ T27] task:udevd state:D stack: 0 pid: 4045 ppid: 3641 flags:0x0000000c [ 284.669075][ T27] Call trace: [ 284.669674][ T27] __switch_to+0x308/0x5e8 [ 284.670522][ T27] __schedule+0xf10/0x1e48 [ 284.671437][ T27] schedule+0x11c/0x1c8 [ 284.672480][ T27] io_schedule+0x8c/0x194 [ 284.673395][ T27] wait_on_page_bit_common+0x6fc/0xc14 [ 284.674512][ T27] do_read_cache_page+0x760/0x950 [ 284.675493][ T27] read_cache_page+0x68/0x84 [ 284.676380][ T27] read_part_sector+0xe8/0x4d8 [ 284.677361][ T27] adfspart_check_ICS+0xd4/0x5d0 [ 284.678327][ T27] bdev_disk_changed+0x83c/0x135c [ 284.679271][ T27] blkdev_get_whole+0x2a0/0x344 [ 284.680234][ T27] blkdev_get_by_dev+0x238/0x89c [ 284.681130][ T27] blkdev_open+0x10c/0x274 [ 284.681932][ T27] do_dentry_open+0x780/0xed8 [ 284.683064][ T27] vfs_open+0x7c/0x90 [ 284.683880][ T27] path_openat+0x1ea0/0x26cc [ 284.684735][ T27] do_filp_open+0x1a8/0x3b4 [ 284.685571][ T27] do_sys_openat2+0x128/0x3e0 [ 284.686445][ T27] __arm64_sys_openat+0x1f0/0x240 [ 284.687439][ T27] invoke_syscall+0x98/0x2b8 [ 284.688355][ T27] el0_svc_common+0x138/0x258 [ 284.689409][ T27] do_el0_svc+0x58/0x14c [ 284.690207][ T27] el0_svc+0x7c/0x1f0 [ 284.691053][ T27] el0t_64_sync_handler+0x84/0xe4 [ 284.692131][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.693022][ T27] INFO: task syz-executor268:4134 blocked for more than 143 seconds. [ 284.694530][ T27] Not tainted 5.15.169-syzkaller #0 [ 284.695779][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 284.697454][ T27] task:syz-executor268 state:D stack: 0 pid: 4134 ppid: 4041 flags:0x00000005 [ 284.699268][ T27] Call trace: [ 284.699969][ T27] __switch_to+0x308/0x5e8 [ 284.700810][ T27] __schedule+0xf10/0x1e48 [ 284.701628][ T27] schedule+0x11c/0x1c8 [ 284.702543][ T27] schedule_preempt_disabled+0x18/0x2c [ 284.703609][ T27] __mutex_lock_common+0xba0/0x2154 [ 284.704633][ T27] mutex_lock_nested+0xa4/0xf8 [ 284.705626][ T27] blkdev_put+0xe0/0x6b0 [ 284.706478][ T27] blkdev_close+0x74/0xb0 [ 284.707369][ T27] __fput+0x1c4/0x800 [ 284.708112][ T27] ____fput+0x20/0x30 [ 284.708876][ T27] task_work_run+0x130/0x1e4 [ 284.709749][ T27] do_notify_resume+0x262c/0x32b8 [ 284.710714][ T27] el0_svc+0xfc/0x1f0 [ 284.711581][ T27] el0t_64_sync_handler+0x84/0xe4 [ 284.712669][ T27] el0t_64_sync+0x1a0/0x1a4 [ 284.713519][ T27] [ 284.713519][ T27] Showing all locks held in the system: [ 284.715026][ T27] 1 lock held by khungtaskd/27: [ 284.716009][ T27] #0: ffff800014c822e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0xc/0x44 [ 284.717871][ T27] 2 locks held by getty/3783: [ 284.718736][ T27] #0: ffff0000d38a9098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x40/0x50 [ 284.720661][ T27] #1: ffff80001d5ee2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x414/0x1204 [ 284.722852][ T27] 1 lock held by udevd/4045: [ 284.723781][ T27] #0: ffff0000cc0fc118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x12c/0x89c [ 284.725774][ T27] 1 lock held by syz-executor268/4134: [ 284.726839][ T27] #0: ffff0000cc0fc118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xe0/0x6b0 [ 284.728669][ T27] [ 284.729129][ T27] ============================================= [ 284.729129][ T27] [ 284.730748][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 284.732101][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.169-syzkaller #0 [ 284.733407][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 284.735526][ T27] Call trace: [ 284.736192][ T27] dump_backtrace+0x0/0x530 [ 284.737038][ T27] show_stack+0x2c/0x3c [ 284.737883][ T27] dump_stack_lvl+0x108/0x170 [ 284.738846][ T27] dump_stack+0x1c/0x58 [ 284.739693][ T27] panic+0x304/0x8bc [ 284.740447][ T27] hung_task_panic+0x0/0x2c [ 284.741298][ T27] kthread+0x37c/0x45c [ 284.742100][ T27] ret_from_fork+0x10/0x20 [ 284.742987][ T27] SMP: stopping secondary CPUs [ 284.743970][ T27] Kernel Offset: disabled [ 284.744913][ T27] CPU features: 0x8,000081c1,21302e40 [ 284.745959][ T27] Memory Limit: none [ 285.120648][ T27] Rebooting in 86400 seconds..