Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. executing program [ 535.701887][ T5101] nbd0: detected capacity change from 0 to 8388607 [ 535.820580][ T4461] block nbd0: Receive control failed (result -104) [ 535.821792][ T5101] block nbd0: shutting down sockets [ 535.833320][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 535.842537][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 535.850364][ T5098] ldm_validate_partition_table(): Disk read failed. [ 535.857131][ T5098] Dev nbd0: unable to read RDB block 0 [ 535.862684][ T5098] nbd0: unable to read partition table executing program [ 535.868542][ T5098] nbd0: partition table beyond EOD, truncated [ 536.031735][ T5104] nbd0: detected capacity change from 0 to 8388607 [ 536.149677][ T4461] block nbd0: Receive control failed (result -104) [ 536.150173][ T5104] block nbd0: shutting down sockets [ 536.162348][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 536.171429][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 536.179421][ T5098] ldm_validate_partition_table(): Disk read failed. [ 536.186133][ T5098] Dev nbd0: unable to read RDB block 0 [ 536.191608][ T5098] nbd0: unable to read partition table executing program [ 536.197542][ T5098] nbd0: partition table beyond EOD, truncated [ 536.351738][ T5107] nbd0: detected capacity change from 0 to 8388607 [ 536.473429][ T4461] block nbd0: Receive control failed (result -104) [ 536.481175][ T5107] block nbd0: shutting down sockets [ 536.486735][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 536.495816][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 536.503747][ T5098] ldm_validate_partition_table(): Disk read failed. [ 536.510393][ T5098] Dev nbd0: unable to read RDB block 0 [ 536.516079][ T5098] nbd0: unable to read partition table executing program [ 536.521958][ T5098] nbd0: partition table beyond EOD, truncated [ 536.661722][ T5110] nbd0: detected capacity change from 0 to 8388607 [ 536.782917][ T4461] block nbd0: Receive control failed (result -104) [ 536.789542][ T5110] block nbd0: shutting down sockets [ 536.795107][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 536.804231][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 536.812106][ T5098] ldm_validate_partition_table(): Disk read failed. [ 536.818761][ T5098] Dev nbd0: unable to read RDB block 0 [ 536.824399][ T5098] nbd0: unable to read partition table executing program [ 536.830162][ T5098] nbd0: partition table beyond EOD, truncated [ 536.971724][ T5112] nbd0: detected capacity change from 0 to 8388607 [ 537.093267][ T4461] block nbd0: Receive control failed (result -104) [ 537.093731][ T5112] block nbd0: shutting down sockets [ 537.105362][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 537.114466][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 537.122375][ T5098] ldm_validate_partition_table(): Disk read failed. [ 537.128985][ T5098] Dev nbd0: unable to read RDB block 0 [ 537.134543][ T5098] nbd0: unable to read partition table executing program [ 537.140300][ T5098] nbd0: partition table beyond EOD, truncated [ 537.271719][ T5114] nbd0: detected capacity change from 0 to 8388607 [ 537.393665][ T4461] block nbd0: Receive control failed (result -104) [ 537.400302][ T5114] block nbd0: shutting down sockets [ 537.406245][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 537.415362][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 537.423419][ T5098] ldm_validate_partition_table(): Disk read failed. [ 537.430044][ T5098] Dev nbd0: unable to read RDB block 0 [ 537.435704][ T5098] nbd0: unable to read partition table executing program [ 537.441462][ T5098] nbd0: partition table beyond EOD, truncated [ 537.581735][ T5116] nbd0: detected capacity change from 0 to 8388607 [ 537.703455][ T4461] block nbd0: Receive control failed (result -104) [ 537.703929][ T5116] block nbd0: shutting down sockets [ 537.715581][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 537.724680][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 537.732603][ T5098] ldm_validate_partition_table(): Disk read failed. [ 537.739223][ T5098] Dev nbd0: unable to read RDB block 0 [ 537.744798][ T5098] nbd0: unable to read partition table executing program [ 537.750551][ T5098] nbd0: partition table beyond EOD, truncated [ 537.901745][ T5118] nbd0: detected capacity change from 0 to 8388607 [ 538.022760][ T4461] block nbd0: Receive control failed (result -104) [ 538.023190][ T5118] block nbd0: shutting down sockets [ 538.034847][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 538.043953][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 538.051881][ T5098] ldm_validate_partition_table(): Disk read failed. [ 538.058496][ T5098] Dev nbd0: unable to read RDB block 0 [ 538.064113][ T5098] nbd0: unable to read partition table executing program [ 538.069865][ T5098] nbd0: partition table beyond EOD, truncated [ 538.251731][ T5120] nbd0: detected capacity change from 0 to 8388607 [ 538.354723][ T4461] block nbd0: Receive control failed (result -104) [ 538.355213][ T5120] block nbd0: shutting down sockets [ 538.367397][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 538.376556][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 538.384681][ T5098] ldm_validate_partition_table(): Disk read failed. [ 538.391302][ T5098] Dev nbd0: unable to read RDB block 0 [ 538.396901][ T5098] nbd0: unable to read partition table executing program [ 538.402756][ T5098] nbd0: partition table beyond EOD, truncated [ 538.551735][ T5123] nbd0: detected capacity change from 0 to 8388607 [ 538.673993][ T4461] block nbd0: Receive control failed (result -104) [ 538.674446][ T5123] block nbd0: shutting down sockets [ 538.686052][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 538.695150][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 538.703130][ T5098] ldm_validate_partition_table(): Disk read failed. [ 538.709747][ T5098] Dev nbd0: unable to read RDB block 0 [ 538.715375][ T5098] nbd0: unable to read partition table executing program [ 538.721129][ T5098] nbd0: partition table beyond EOD, truncated [ 538.871827][ T5125] nbd0: detected capacity change from 0 to 8388607 executing program [ 538.990173][ T4461] block nbd0: Receive control failed (result -104) [ 538.996841][ T5125] block nbd0: shutting down sockets [ 539.002434][ T5098] ldm_validate_partition_table(): Disk read failed. [ 539.009079][ T5098] Dev nbd0: unable to read RDB block 0 [ 539.014733][ T5098] nbd0: unable to read partition table [ 539.020562][ T5098] nbd0: partition table beyond EOD, truncated [ 539.191743][ T5127] nbd0: detected capacity change from 0 to 8388607 executing program [ 539.283718][ T4461] block nbd0: Receive control failed (result -104) [ 539.284212][ T5127] block nbd0: shutting down sockets [ 539.296102][ T5098] ldm_validate_partition_table(): Disk read failed. [ 539.302837][ T5098] Dev nbd0: unable to read RDB block 0 [ 539.308312][ T5098] nbd0: unable to read partition table [ 539.314242][ T5098] nbd0: partition table beyond EOD, truncated [ 539.471718][ T5129] nbd0: detected capacity change from 0 to 8388607 executing program [ 539.593533][ T4461] block nbd0: Receive control failed (result -104) [ 539.600147][ T5129] block nbd0: shutting down sockets [ 539.605890][ T5098] ldm_validate_partition_table(): Disk read failed. [ 539.612653][ T5098] Dev nbd0: unable to read RDB block 0 [ 539.618137][ T5098] nbd0: unable to read partition table [ 539.624155][ T5098] nbd0: partition table beyond EOD, truncated [ 539.771805][ T5132] nbd0: detected capacity change from 0 to 8388607 executing program [ 539.894103][ T4461] block nbd0: Receive control failed (result -104) [ 539.900729][ T5132] block nbd0: shutting down sockets [ 539.906270][ T5098] ldm_validate_partition_table(): Disk read failed. [ 539.912995][ T5098] Dev nbd0: unable to read RDB block 0 [ 539.918482][ T5098] nbd0: unable to read partition table [ 539.924424][ T5098] nbd0: partition table beyond EOD, truncated [ 540.101729][ T5135] nbd0: detected capacity change from 0 to 8388607 executing program [ 540.196224][ T4461] block nbd0: Receive control failed (result -104) [ 540.196910][ T5135] block nbd0: shutting down sockets [ 540.208474][ T5098] ldm_validate_partition_table(): Disk read failed. [ 540.215199][ T5098] Dev nbd0: unable to read RDB block 0 [ 540.220675][ T5098] nbd0: unable to read partition table [ 540.226559][ T5098] nbd0: partition table beyond EOD, truncated [ 540.371717][ T5137] nbd0: detected capacity change from 0 to 8388607 executing program [ 540.493497][ T4461] block nbd0: Receive control failed (result -104) [ 540.500128][ T5137] block nbd0: shutting down sockets [ 540.505795][ T5098] ldm_validate_partition_table(): Disk read failed. [ 540.512528][ T5098] Dev nbd0: unable to read RDB block 0 [ 540.518048][ T5098] nbd0: unable to read partition table [ 540.524006][ T5098] nbd0: partition table beyond EOD, truncated [ 540.671715][ T5139] nbd0: detected capacity change from 0 to 8388607 executing program [ 540.793902][ T4461] block nbd0: Receive control failed (result -104) [ 540.800649][ T5139] block nbd0: shutting down sockets [ 540.806227][ T5098] ldm_validate_partition_table(): Disk read failed. [ 540.812955][ T5098] Dev nbd0: unable to read RDB block 0 [ 540.818442][ T5098] nbd0: unable to read partition table [ 540.824398][ T5098] nbd0: partition table beyond EOD, truncated [ 540.981774][ T5141] nbd0: detected capacity change from 0 to 8388607 [ 541.093198][ T4461] block nbd0: Receive control failed (result -104) [ 541.093608][ T5141] block nbd0: shutting down sockets [ 541.105553][ C1] blk_print_req_error: 7 callbacks suppressed [ 541.105569][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 541.120756][ C1] buffer_io_error: 7 callbacks suppressed [ 541.120766][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 541.134396][ T5098] ldm_validate_partition_table(): Disk read failed. executing program [ 541.141028][ T5098] Dev nbd0: unable to read RDB block 0 [ 541.146604][ T5098] nbd0: unable to read partition table [ 541.152482][ T5098] nbd0: partition table beyond EOD, truncated [ 541.271727][ T5143] nbd0: detected capacity change from 0 to 8388607 [ 541.393672][ T4461] block nbd0: Receive control failed (result -104) [ 541.394109][ T5143] block nbd0: shutting down sockets [ 541.406007][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 541.415094][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 541.422976][ T5098] ldm_validate_partition_table(): Disk read failed. [ 541.429623][ T5098] Dev nbd0: unable to read RDB block 0 [ 541.435261][ T5098] nbd0: unable to read partition table executing program [ 541.441042][ T5098] nbd0: partition table beyond EOD, truncated [ 541.571735][ T5146] nbd0: detected capacity change from 0 to 8388607 [ 541.693388][ T4461] block nbd0: Receive control failed (result -104) [ 541.693886][ T5146] block nbd0: shutting down sockets [ 541.705899][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 541.714973][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 541.722911][ T5098] ldm_validate_partition_table(): Disk read failed. [ 541.729526][ T5098] Dev nbd0: unable to read RDB block 0 [ 541.735137][ T5098] nbd0: unable to read partition table executing program [ 541.740900][ T5098] nbd0: partition table beyond EOD, truncated [ 541.871730][ T5148] nbd0: detected capacity change from 0 to 8388607 [ 541.993498][ T4461] block nbd0: Receive control failed (result -104) [ 541.995223][ T5148] block nbd0: shutting down sockets [ 542.005502][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 542.014583][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 542.022452][ T5098] ldm_validate_partition_table(): Disk read failed. [ 542.029087][ T5098] Dev nbd0: unable to read RDB block 0 [ 542.034660][ T5098] nbd0: unable to read partition table executing program [ 542.040450][ T5098] nbd0: partition table beyond EOD, truncated [ 542.201715][ T5150] nbd0: detected capacity change from 0 to 8388607 [ 542.318881][ T4461] block nbd0: Receive control failed (result -104) [ 542.319385][ T5150] block nbd0: shutting down sockets [ 542.332706][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 542.341804][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 542.349639][ T5098] ldm_validate_partition_table(): Disk read failed. [ 542.356381][ T5098] Dev nbd0: unable to read RDB block 0 [ 542.362034][ T5098] nbd0: unable to read partition table executing program [ 542.367818][ T5098] nbd0: partition table beyond EOD, truncated [ 542.521705][ T5153] nbd0: detected capacity change from 0 to 8388607 [ 542.643422][ T4461] block nbd0: Receive control failed (result -104) [ 542.643996][ T5153] block nbd0: shutting down sockets [ 542.655687][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 542.664758][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 542.672781][ T5098] ldm_validate_partition_table(): Disk read failed. [ 542.679482][ T5098] Dev nbd0: unable to read RDB block 0 [ 542.685084][ T5098] nbd0: unable to read partition table executing program [ 542.690850][ T5098] nbd0: partition table beyond EOD, truncated [ 542.831728][ T5155] nbd0: detected capacity change from 0 to 8388607 [ 542.953735][ T4461] block nbd0: Receive control failed (result -104) [ 542.954179][ T5155] block nbd0: shutting down sockets [ 542.965953][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 542.975047][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 542.983152][ T5098] ldm_validate_partition_table(): Disk read failed. [ 542.989848][ T5098] Dev nbd0: unable to read RDB block 0 [ 542.995499][ T5098] nbd0: unable to read partition table executing program [ 543.001267][ T5098] nbd0: partition table beyond EOD, truncated [ 543.141718][ T5157] nbd0: detected capacity change from 0 to 8388607 [ 543.263979][ T4461] block nbd0: Receive control failed (result -104) [ 543.270602][ T5157] block nbd0: shutting down sockets [ 543.276132][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 543.285217][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 543.293105][ T5098] ldm_validate_partition_table(): Disk read failed. [ 543.299758][ T5098] Dev nbd0: unable to read RDB block 0 [ 543.305367][ T5098] nbd0: unable to read partition table executing program [ 543.311148][ T5098] nbd0: partition table beyond EOD, truncated [ 543.481769][ T5159] nbd0: detected capacity change from 0 to 8388607 [ 543.598027][ T4461] block nbd0: Receive control failed (result -104) [ 543.598673][ T5159] block nbd0: shutting down sockets [ 543.610303][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 543.619410][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 543.627312][ T5098] ldm_validate_partition_table(): Disk read failed. [ 543.634171][ T5098] Dev nbd0: unable to read RDB block 0 [ 543.639652][ T5098] nbd0: unable to read partition table executing program [ 543.645704][ T5098] nbd0: partition table beyond EOD, truncated [ 543.801709][ T5163] nbd0: detected capacity change from 0 to 8388607 [ 543.910359][ T4461] block nbd0: Receive control failed (result -104) [ 543.917040][ T5163] block nbd0: shutting down sockets [ 543.922553][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 [ 543.931597][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 543.939532][ T5098] ldm_validate_partition_table(): Disk read failed. [ 543.946197][ T5098] Dev nbd0: unable to read RDB block 0 [ 543.951740][ T5098] nbd0: unable to read partition table executing program [ 543.957506][ T5098] nbd0: partition table beyond EOD, truncated [ 544.101742][ T5165] nbd0: detected capacity change from 0 to 8388607 executing program [ 544.223372][ T4461] block nbd0: Receive control failed (result -104) [ 544.223827][ T5165] block nbd0: shutting down sockets [ 544.235605][ T5098] ldm_validate_partition_table(): Disk read failed. [ 544.242346][ T5098] Dev nbd0: unable to read RDB block 0 [ 544.247818][ T5098] nbd0: unable to read partition table [ 544.253692][ T5098] nbd0: partition table beyond EOD, truncated [ 544.401713][ T5167] nbd0: detected capacity change from 0 to 8388607 executing program [ 544.523415][ T4461] block nbd0: Receive control failed (result -104) [ 544.523883][ T5167] block nbd0: shutting down sockets [ 544.536148][ T5098] ldm_validate_partition_table(): Disk read failed. [ 544.542896][ T5098] Dev nbd0: unable to read RDB block 0 [ 544.548376][ T5098] nbd0: unable to read partition table [ 544.554263][ T5098] nbd0: partition table beyond EOD, truncated [ 544.701712][ T5170] nbd0: detected capacity change from 0 to 8388607 executing program [ 544.823412][ T4461] block nbd0: Receive control failed (result -104) [ 544.823848][ T5170] block nbd0: shutting down sockets [ 544.835596][ T5098] ldm_validate_partition_table(): Disk read failed. [ 544.842342][ T5098] Dev nbd0: unable to read RDB block 0 [ 544.847821][ T5098] nbd0: unable to read partition table [ 544.853698][ T5098] nbd0: partition table beyond EOD, truncated [ 545.001775][ T5172] nbd0: detected capacity change from 0 to 8388607 executing program [ 545.123611][ T4461] block nbd0: Receive control failed (result -104) [ 545.124128][ T5172] block nbd0: shutting down sockets [ 545.136000][ T5098] ldm_validate_partition_table(): Disk read failed. [ 545.142717][ T5098] Dev nbd0: unable to read RDB block 0 [ 545.148188][ T5098] nbd0: unable to read partition table [ 545.154113][ T5098] nbd0: partition table beyond EOD, truncated [ 545.301729][ T5174] nbd0: detected capacity change from 0 to 8388607 executing program [ 545.423080][ T4461] block nbd0: Receive control failed (result -104) [ 545.423533][ T5174] block nbd0: shutting down sockets [ 545.435447][ T5098] ldm_validate_partition_table(): Disk read failed. [ 545.442115][ T5098] Dev nbd0: unable to read RDB block 0 [ 545.447585][ T5098] nbd0: unable to read partition table [ 545.453454][ T5098] nbd0: partition table beyond EOD, truncated [ 545.621793][ T5176] nbd0: detected capacity change from 0 to 8388607 [ 545.732969][ T4461] block nbd0: Receive control failed (result -104) [ 575.902670][ T98] block nbd0: Possible stuck request ffff888020002400: control (read@0,4096B). Runtime 30 seconds [ 605.705857][ T4518] udevd[4518]: worker [5098] /devices/virtual/block/nbd0 is taking a long time [ 605.981946][ T98] block nbd0: Possible stuck request ffff888020002400: control (read@0,4096B). Runtime 60 seconds [ 636.062040][ T98] block nbd0: Possible stuck request ffff888020002400: control (read@0,4096B). Runtime 90 seconds [ 666.141968][ T98] block nbd0: Possible stuck request ffff888020002400: control (read@0,4096B). Runtime 120 seconds [ 696.221951][ T98] block nbd0: Possible stuck request ffff888020002400: control (read@0,4096B). Runtime 150 seconds [ 716.061754][ T29] INFO: task syz-executor270:5176 blocked for more than 143 seconds. [ 716.069925][ T29] Not tainted 6.8.0-syzkaller-00711-g045395d86acd #0 [ 716.077181][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.085900][ T29] task:syz-executor270 state:D stack:26224 pid:5176 tgid:5175 ppid:5097 flags:0x00004006 [ 716.096158][ T29] Call Trace: [ 716.099445][ T29] [ 716.102423][ T29] __schedule+0x17d1/0x49f0 [ 716.106995][ T29] ? srso_return_thunk+0x5/0x5f [ 716.111909][ T29] ? __pfx___schedule+0x10/0x10 [ 716.116785][ T29] ? __pfx_lock_release+0x10/0x10 [ 716.121881][ T29] ? __mutex_trylock_common+0x91/0x2e0 [ 716.127382][ T29] ? schedule+0x8f/0x320 [ 716.131676][ T29] schedule+0x14a/0x320 [ 716.135857][ T29] schedule_preempt_disabled+0x13/0x30 [ 716.141322][ T29] __mutex_lock+0x6a3/0xd70 [ 716.145882][ T29] ? __mutex_lock+0x526/0xd70 [ 716.150604][ T29] ? bdev_release+0x1cb/0xa20 [ 716.155328][ T29] ? __pfx___mutex_lock+0x10/0x10 [ 716.160414][ T29] ? __pfx___fsnotify_parent+0x10/0x10 [ 716.165972][ T29] bdev_release+0x1cb/0xa20 [ 716.170507][ T29] ? __pfx_blkdev_release+0x10/0x10 [ 716.175773][ T29] blkdev_release+0x15/0x20 [ 716.180298][ T29] __fput+0x42b/0x8a0 [ 716.184367][ T29] task_work_run+0x250/0x310 [ 716.188990][ T29] ? __pfx_task_work_run+0x10/0x10 [ 716.194180][ T29] get_signal+0x1672/0x1850 [ 716.198730][ T29] ? __pfx_get_signal+0x10/0x10 [ 716.203647][ T29] ? __phys_addr+0xba/0x170 [ 716.208211][ T29] arch_do_signal_or_restart+0x96/0x860 [ 716.213851][ T29] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 716.220054][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 716.226131][ T29] ? syscall_exit_to_user_mode+0xa2/0x360 [ 716.231933][ T29] syscall_exit_to_user_mode+0xc8/0x360 [ 716.237523][ T29] do_syscall_64+0x108/0x240 [ 716.242173][ T29] entry_SYSCALL_64_after_hwframe+0x6f/0x77 [ 716.248096][ T29] RIP: 0033:0x7eff251414b9 [ 716.252554][ T29] RSP: 002b:00007eff250ff218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 716.260989][ T29] RAX: 0000000000000000 RBX: 00007eff251c8328 RCX: 00007eff251414b9 [ 716.269018][ T29] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 716.277045][ T29] RBP: 00007eff251c8320 R08: 0000000000000000 R09: 0000000000000000 [ 716.285083][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 00007eff251c832c [ 716.293124][ T29] R13: 00007eff251951a4 R14: 64626e2f7665642f R15: 00000000ffffff43 [ 716.301112][ T29] [ 716.304174][ T29] [ 716.304174][ T29] Showing all locks held in the system: [ 716.311952][ T29] 1 lock held by khungtaskd/29: [ 716.316802][ T29] #0: ffffffff8e131020 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 716.326747][ T29] 2 locks held by getty/4819: [ 716.331433][ T29] #0: ffff888029eb00a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 716.341284][ T29] #1: ffffc900037c32f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 [ 716.351475][ T29] 1 lock held by udevd/5098: [ 716.356120][ T29] #0: ffff88801fb664c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_open+0xdc/0xc90 [ 716.365511][ T29] 1 lock held by syz-executor270/5176: [ 716.371017][ T29] #0: ffff88801fb664c8 (&disk->open_mutex){+.+.}-{3:3}, at: bdev_release+0x1cb/0xa20 [ 716.380729][ T29] [ 716.383154][ T29] ============================================= [ 716.383154][ T29] [ 716.391643][ T29] NMI backtrace for cpu 0 [ 716.395973][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-00711-g045395d86acd #0 [ 716.405421][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 716.415469][ T29] Call Trace: [ 716.418741][ T29] [ 716.421670][ T29] dump_stack_lvl+0x1e7/0x2e0 [ 716.426349][ T29] ? srso_return_thunk+0x5/0x5f [ 716.431209][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 716.436424][ T29] ? __pfx__printk+0x10/0x10 [ 716.441024][ T29] ? vprintk_emit+0x607/0x720 [ 716.445706][ T29] ? __pfx_vprintk_emit+0x10/0x10 [ 716.450738][ T29] nmi_cpu_backtrace+0x49c/0x4d0 [ 716.455686][ T29] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 716.461148][ T29] ? _printk+0xd5/0x120 [ 716.465303][ T29] ? __pfx__printk+0x10/0x10 [ 716.469892][ T29] ? __wake_up_klogd+0xcc/0x110 [ 716.474740][ T29] ? __pfx__printk+0x10/0x10 [ 716.479327][ T29] ? wq_watchdog_touch+0x72/0x110 [ 716.484369][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 716.490363][ T29] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 716.496368][ T29] watchdog+0xfaf/0xff0 [ 716.500552][ T29] ? watchdog+0x1e9/0xff0 [ 716.504889][ T29] ? __pfx_watchdog+0x10/0x10 [ 716.509584][ T29] kthread+0x2f1/0x390 [ 716.513660][ T29] ? __pfx_watchdog+0x10/0x10 [ 716.518352][ T29] ? __pfx_kthread+0x10/0x10 [ 716.522951][ T29] ret_from_fork+0x4d/0x80 [ 716.527643][ T29] ? __pfx_kthread+0x10/0x10 [ 716.532241][ T29] ret_from_fork_asm+0x1b/0x30 [ 716.537035][ T29] [ 716.540288][ T29] Sending NMI from CPU 0 to CPUs 1: [ 716.545615][ C1] NMI backtrace for cpu 1 [ 716.545627][ C1] CPU: 1 PID: 11 Comm: kworker/u8:1 Not tainted 6.8.0-syzkaller-00711-g045395d86acd #0 [ 716.545648][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 716.545660][ C1] Workqueue: events_unbound toggle_allocation_gate [ 716.545686][ C1] RIP: 0010:bcmp+0x9/0x1e0 [ 716.545716][ C1] Code: 41 5d 41 5e 41 5f 5d e9 85 ff 11 00 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 57 41 56 <41> 55 41 54 53 50 49 89 d6 49 89 f7 49 89 fc 48 ba 00 00 00 00 00 [ 716.545732][ C1] RSP: 0018:ffffc900001078c0 EFLAGS: 00000297 [ 716.545749][ C1] RAX: 0000000000000000 RBX: ffffffff8ba57748 RCX: dffffc0000000000 [ 716.545764][ C1] RDX: 0000000000000005 RSI: ffffffff92671900 RDI: ffffffff81ea67b5 [ 716.545778][ C1] RBP: ffffc90000107a10 R08: ffffffff81337451 R09: ffffffff81337316 [ 716.545793][ C1] R10: 0000000000000002 R11: ffff888016ea3c00 R12: 0000000000000000 [ 716.545806][ C1] R13: ffffffff92671900 R14: ffffffff92671900 R15: ffffffff8ba576aa [ 716.545825][ C1] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 716.545842][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.545856][ C1] CR2: 000055e92d123680 CR3: 000000000df32000 CR4: 0000000000350ef0 [ 716.545878][ C1] Call Trace: [ 716.545885][ C1] [ 716.545892][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 716.545925][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 716.545962][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 716.545994][ C1] ? nmi_handle+0x2a/0x580 [ 716.546025][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 716.546050][ C1] ? nmi_handle+0x151/0x580 [ 716.546069][ C1] ? nmi_handle+0x2a/0x580 [ 716.546090][ C1] ? bcmp+0x9/0x1e0 [ 716.546117][ C1] ? default_do_nmi+0x63/0x160 [ 716.546152][ C1] ? exc_nmi+0x123/0x1f0 [ 716.546184][ C1] ? end_repeat_nmi+0xf/0x60 [ 716.546219][ C1] ? __jump_label_patch+0x146/0x490 [ 716.546245][ C1] ? __jump_label_patch+0x281/0x490 [ 716.546272][ C1] ? kmem_cache_alloc_node+0xb5/0x380 [ 716.546298][ C1] ? bcmp+0x9/0x1e0 [ 716.546326][ C1] ? bcmp+0x9/0x1e0 [ 716.546355][ C1] ? bcmp+0x9/0x1e0 [ 716.546382][ C1] [ 716.546388][ C1] [ 716.546396][ C1] __jump_label_patch+0x2a8/0x490 [ 716.546422][ C1] ? kmem_cache_alloc_node+0xb5/0x380 [ 716.546449][ C1] ? __pfx___jump_label_patch+0x10/0x10 [ 716.546482][ C1] ? kmem_cache_alloc_node+0xb5/0x380 [ 716.546506][ C1] ? kmem_cache_alloc_node+0xc4/0x380 [ 716.546530][ C1] ? kmem_cache_alloc_node+0xba/0x380 [ 716.546555][ C1] ? static_key_disable_cpuslocked+0x9b/0x1c0 [ 716.546588][ C1] ? srso_return_thunk+0x5/0x5f [ 716.546618][ C1] ? text_poke_queue+0x12c/0x180 [ 716.546652][ C1] arch_jump_label_transform_queue+0x68/0x100 [ 716.546682][ C1] __jump_label_update+0x177/0x3a0 [ 716.546716][ C1] ? process_scheduled_works+0x91a/0x1770 [ 716.546751][ C1] static_key_disable_cpuslocked+0xce/0x1c0 [ 716.546782][ C1] static_key_disable+0x1a/0x20 [ 716.546810][ C1] toggle_allocation_gate+0x1b8/0x250 [ 716.546831][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 716.546853][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 716.546901][ C1] process_scheduled_works+0xa01/0x1770 [ 716.546955][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 716.546995][ C1] ? assign_work+0x364/0x3d0 [ 716.547031][ C1] worker_thread+0x86c/0xd70 [ 716.547063][ C1] ? __kthread_parkme+0x168/0x1d0 [ 716.547086][ C1] ? __pfx_worker_thread+0x10/0x10 [ 716.547106][ C1] kthread+0x2f1/0x390 [ 716.547130][ C1] ? __pfx_worker_thread+0x10/0x10 [ 716.547149][ C1] ? __pfx_kthread+0x10/0x10 [ 716.547174][ C1] ret_from_fork+0x4d/0x80 [ 716.547203][ C1] ? __pfx_kthread+0x10/0x10 [ 716.547227][ C1] ret_from_fork_asm+0x1b/0x30 [ 716.547269][ C1] [ 716.547277][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.661 msecs [ 716.547733][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 716.931922][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-00711-g045395d86acd #0 [ 716.941386][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 716.951467][ T29] Call Trace: [ 716.954752][ T29] [ 716.957686][ T29] dump_stack_lvl+0x1e7/0x2e0 [ 716.962392][ T29] ? __pfx_dump_stack_lvl+0x10/0x10 [ 716.967606][ T29] ? __pfx__printk+0x10/0x10 [ 716.972204][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 716.978210][ T29] ? srso_return_thunk+0x5/0x5f [ 716.983074][ T29] ? vscnprintf+0x5d/0x90 [ 716.987424][ T29] panic+0x349/0x860 [ 716.991328][ T29] ? srso_return_thunk+0x5/0x5f [ 716.996204][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 717.002384][ T29] ? __pfx_panic+0x10/0x10 [ 717.006807][ T29] ? tick_nohz_tick_stopped+0x7b/0xc0 [ 717.012187][ T29] ? srso_return_thunk+0x5/0x5f [ 717.017052][ T29] ? __irq_work_queue_local+0x137/0x3e0 [ 717.022609][ T29] ? srso_return_thunk+0x5/0x5f [ 717.027473][ T29] ? preempt_schedule_thunk+0x1a/0x30 [ 717.032849][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 717.039018][ T29] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 717.045191][ T29] ? srso_return_thunk+0x5/0x5f [ 717.050056][ T29] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 717.056236][ T29] watchdog+0xfee/0xff0 [ 717.060399][ T29] ? watchdog+0x1e9/0xff0 [ 717.064738][ T29] ? __pfx_watchdog+0x10/0x10 [ 717.069433][ T29] kthread+0x2f1/0x390 [ 717.073511][ T29] ? __pfx_watchdog+0x10/0x10 [ 717.078203][ T29] ? __pfx_kthread+0x10/0x10 [ 717.082801][ T29] ret_from_fork+0x4d/0x80 [ 717.087233][ T29] ? __pfx_kthread+0x10/0x10 [ 717.091832][ T29] ret_from_fork_asm+0x1b/0x30 [ 717.096626][ T29] [ 717.099880][ T29] Kernel Offset: disabled [ 717.104217][ T29] Rebooting in 86400 seconds..