Warning: Permanently added '10.128.1.85' (ED25519) to the list of known hosts. executing program [ 526.264990][ T5101] nbd0: detected capacity change from 0 to 2 [ 526.380814][ T4464] block nbd0: Receive control failed (result -104) [ 526.381177][ T5100] block nbd0: shutting down sockets [ 526.392822][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 526.401906][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 526.409768][ T5097] ldm_validate_partition_table(): Disk read failed. [ 526.416445][ T5097] Dev nbd0: unable to read RDB block 0 [ 526.421938][ T5097] nbd0: unable to read partition table executing program [ 526.427774][ T5097] nbd0: partition table beyond EOD, truncated [ 526.524879][ T5104] nbd0: detected capacity change from 0 to 2 executing program [ 526.643445][ T5103] block nbd0: shutting down sockets [ 526.649679][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 526.658855][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 526.666708][ T5097] ldm_validate_partition_table(): Disk read failed. [ 526.673583][ T5097] Dev nbd0: unable to read RDB block 0 [ 526.679061][ T5097] nbd0: unable to read partition table [ 526.684878][ T5097] nbd0: partition table beyond EOD, truncated [ 526.799282][ T5106] nbd0: detected capacity change from 0 to 2 [ 526.916366][ T4464] block nbd0: Receive control failed (result -104) [ 526.923035][ T5107] block nbd0: shutting down sockets [ 526.928536][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 526.937610][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 526.945519][ T5097] ldm_validate_partition_table(): Disk read failed. [ 526.952131][ T5097] Dev nbd0: unable to read RDB block 0 [ 526.957762][ T5097] nbd0: unable to read partition table executing program [ 526.963684][ T5097] nbd0: partition table beyond EOD, truncated [ 527.064965][ T5110] nbd0: detected capacity change from 0 to 2 [ 527.181524][ T4464] block nbd0: Receive control failed (result -104) [ 527.188164][ T5109] block nbd0: shutting down sockets [ 527.193804][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 527.202831][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 527.210705][ T5097] ldm_validate_partition_table(): Disk read failed. [ 527.217391][ T5097] Dev nbd0: unable to read RDB block 0 [ 527.222847][ T5097] nbd0: unable to read partition table executing program [ 527.228636][ T5097] nbd0: partition table beyond EOD, truncated [ 527.334679][ T5113] nbd0: detected capacity change from 0 to 2 [ 527.451643][ T4464] block nbd0: Receive control failed (result -104) [ 527.452028][ T5112] block nbd0: shutting down sockets [ 527.463942][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 527.473103][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 527.481063][ T5097] ldm_validate_partition_table(): Disk read failed. [ 527.487775][ T5097] Dev nbd0: unable to read RDB block 0 [ 527.493273][ T5097] nbd0: unable to read partition table executing program [ 527.499094][ T5097] nbd0: partition table beyond EOD, truncated [ 527.594830][ T5116] nbd0: detected capacity change from 0 to 2 [ 527.711529][ T4464] block nbd0: Receive control failed (result -104) [ 527.711889][ T5115] block nbd0: shutting down sockets [ 527.723688][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 527.732843][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 527.740747][ T5097] ldm_validate_partition_table(): Disk read failed. [ 527.747403][ T5097] Dev nbd0: unable to read RDB block 0 [ 527.752947][ T5097] nbd0: unable to read partition table executing program [ 527.758838][ T5097] nbd0: partition table beyond EOD, truncated [ 527.854752][ T5119] nbd0: detected capacity change from 0 to 2 [ 527.970984][ T4464] block nbd0: Receive control failed (result -104) [ 527.971410][ T5118] block nbd0: shutting down sockets [ 527.982974][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 527.992093][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 527.999993][ T5097] ldm_validate_partition_table(): Disk read failed. [ 528.006881][ T5097] Dev nbd0: unable to read RDB block 0 [ 528.012342][ T5097] nbd0: unable to read partition table executing program [ 528.018285][ T5097] nbd0: partition table beyond EOD, truncated [ 528.114856][ T5122] nbd0: detected capacity change from 0 to 2 [ 528.232246][ T4464] block nbd0: Receive control failed (result -104) [ 528.232576][ T5121] block nbd0: shutting down sockets [ 528.244445][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 528.253535][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 528.261375][ T5097] ldm_validate_partition_table(): Disk read failed. [ 528.268222][ T5097] Dev nbd0: unable to read RDB block 0 [ 528.273898][ T5097] nbd0: unable to read partition table executing program [ 528.279577][ T5097] nbd0: partition table beyond EOD, truncated [ 528.374752][ T5125] nbd0: detected capacity change from 0 to 2 [ 528.490917][ T4464] block nbd0: Receive control failed (result -104) [ 528.491234][ T5124] block nbd0: shutting down sockets [ 528.503014][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 528.512118][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 528.520003][ T5097] ldm_validate_partition_table(): Disk read failed. [ 528.526714][ T5097] Dev nbd0: unable to read RDB block 0 [ 528.532347][ T5097] nbd0: unable to read partition table executing program [ 528.538131][ T5097] nbd0: partition table beyond EOD, truncated [ 528.634742][ T5128] nbd0: detected capacity change from 0 to 2 [ 528.752882][ T4464] block nbd0: Receive control failed (result -104) [ 528.753256][ T5127] block nbd0: shutting down sockets [ 528.764888][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 528.775736][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 528.783654][ T5097] ldm_validate_partition_table(): Disk read failed. [ 528.790268][ T5097] Dev nbd0: unable to read RDB block 0 [ 528.795823][ T5097] nbd0: unable to read partition table executing program [ 528.801616][ T5097] nbd0: partition table beyond EOD, truncated [ 528.904692][ T5131] nbd0: detected capacity change from 0 to 2 executing program [ 529.021716][ T4464] block nbd0: Receive control failed (result -104) [ 529.022082][ T5130] block nbd0: shutting down sockets [ 529.034066][ T5097] ldm_validate_partition_table(): Disk read failed. [ 529.040956][ T5097] Dev nbd0: unable to read RDB block 0 [ 529.046529][ T5097] nbd0: unable to read partition table [ 529.052281][ T5097] nbd0: partition table beyond EOD, truncated [ 529.154759][ T5134] nbd0: detected capacity change from 0 to 2 executing program [ 529.271233][ T4464] block nbd0: Receive control failed (result -104) [ 529.271537][ T5133] block nbd0: shutting down sockets [ 529.283712][ T5097] ldm_validate_partition_table(): Disk read failed. [ 529.290375][ T5097] Dev nbd0: unable to read RDB block 0 [ 529.295945][ T5097] nbd0: unable to read partition table [ 529.301757][ T5097] nbd0: partition table beyond EOD, truncated [ 529.414864][ T5137] nbd0: detected capacity change from 0 to 2 executing program [ 529.531598][ T4464] block nbd0: Receive control failed (result -104) [ 529.538231][ T5136] block nbd0: shutting down sockets [ 529.543668][ T5097] ldm_validate_partition_table(): Disk read failed. [ 529.550336][ T5097] Dev nbd0: unable to read RDB block 0 [ 529.555929][ T5097] nbd0: unable to read partition table [ 529.561570][ T5097] nbd0: partition table beyond EOD, truncated [ 529.674736][ T5140] nbd0: detected capacity change from 0 to 2 executing program [ 529.790934][ T4464] block nbd0: Receive control failed (result -104) [ 529.791219][ T5139] block nbd0: shutting down sockets [ 529.803212][ T5097] ldm_validate_partition_table(): Disk read failed. [ 529.809874][ T5097] Dev nbd0: unable to read RDB block 0 [ 529.815407][ T5097] nbd0: unable to read partition table [ 529.821153][ T5097] nbd0: partition table beyond EOD, truncated [ 529.934738][ T5143] nbd0: detected capacity change from 0 to 2 executing program [ 530.051488][ T4464] block nbd0: Receive control failed (result -104) [ 530.051837][ T5142] block nbd0: shutting down sockets [ 530.063698][ T5097] ldm_validate_partition_table(): Disk read failed. [ 530.070330][ T5097] Dev nbd0: unable to read RDB block 0 [ 530.075921][ T5097] nbd0: unable to read partition table [ 530.081596][ T5097] nbd0: partition table beyond EOD, truncated [ 530.204694][ T5147] nbd0: detected capacity change from 0 to 2 executing program [ 530.322455][ T4464] block nbd0: Receive control failed (result -104) [ 530.322919][ T5146] block nbd0: shutting down sockets [ 530.334829][ T5097] ldm_validate_partition_table(): Disk read failed. [ 530.341446][ T5097] Dev nbd0: unable to read RDB block 0 [ 530.347018][ T5097] nbd0: unable to read partition table [ 530.352694][ T5097] nbd0: partition table beyond EOD, truncated [ 530.464731][ T5150] nbd0: detected capacity change from 0 to 2 executing program [ 530.580681][ T4464] block nbd0: Receive control failed (result -104) [ 530.587374][ T5149] block nbd0: shutting down sockets [ 530.593107][ T5097] ldm_validate_partition_table(): Disk read failed. [ 530.599801][ T5097] Dev nbd0: unable to read RDB block 0 [ 530.605310][ T5097] nbd0: unable to read partition table [ 530.610991][ T5097] nbd0: partition table beyond EOD, truncated [ 530.724746][ T5153] nbd0: detected capacity change from 0 to 2 executing program [ 530.840703][ T4464] block nbd0: Receive control failed (result -104) [ 530.841051][ T5152] block nbd0: shutting down sockets [ 530.852810][ T5097] ldm_validate_partition_table(): Disk read failed. [ 530.859477][ T5097] Dev nbd0: unable to read RDB block 0 [ 530.864978][ T5097] nbd0: unable to read partition table [ 530.870648][ T5097] nbd0: partition table beyond EOD, truncated [ 530.984410][ T5155] nbd0: detected capacity change from 0 to 2 executing program [ 531.101611][ T4464] block nbd0: Receive control failed (result -104) [ 531.102047][ T5156] block nbd0: shutting down sockets [ 531.114054][ T5097] ldm_validate_partition_table(): Disk read failed. [ 531.120859][ T5097] Dev nbd0: unable to read RDB block 0 [ 531.126442][ T5097] nbd0: unable to read partition table [ 531.132133][ T5097] nbd0: partition table beyond EOD, truncated [ 531.224610][ T5159] nbd0: detected capacity change from 0 to 2 executing program [ 531.341415][ T4464] block nbd0: Receive control failed (result -104) [ 531.341755][ T5158] block nbd0: shutting down sockets [ 531.353807][ T5097] ldm_validate_partition_table(): Disk read failed. [ 531.360441][ T5097] Dev nbd0: unable to read RDB block 0 [ 531.366045][ T5097] nbd0: unable to read partition table [ 531.371732][ T5097] nbd0: partition table beyond EOD, truncated [ 531.484857][ T5162] nbd0: detected capacity change from 0 to 2 [ 531.602103][ T4464] block nbd0: Receive control failed (result -104) [ 531.602451][ T5161] block nbd0: shutting down sockets [ 531.614204][ C1] blk_print_req_error: 10 callbacks suppressed [ 531.614213][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 531.629441][ C1] buffer_io_error: 10 callbacks suppressed [ 531.629453][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 531.643100][ T5097] ldm_validate_partition_table(): Disk read failed. executing program [ 531.649904][ T5097] Dev nbd0: unable to read RDB block 0 [ 531.655573][ T5097] nbd0: unable to read partition table [ 531.661426][ T5097] nbd0: partition table beyond EOD, truncated [ 531.775693][ T5165] nbd0: detected capacity change from 0 to 2 [ 531.891706][ T4464] block nbd0: Receive control failed (result -104) [ 531.892045][ T5164] block nbd0: shutting down sockets [ 531.903801][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 531.912869][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 531.920859][ T5097] ldm_validate_partition_table(): Disk read failed. [ 531.927633][ T5097] Dev nbd0: unable to read RDB block 0 [ 531.933094][ T5097] nbd0: unable to read partition table executing program [ 531.939103][ T5097] nbd0: partition table beyond EOD, truncated [ 532.034790][ T5169] nbd0: detected capacity change from 0 to 2 [ 532.151945][ T4464] block nbd0: Receive control failed (result -104) [ 532.158610][ T5168] block nbd0: shutting down sockets [ 532.164042][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 532.173075][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 532.180982][ T5097] ldm_validate_partition_table(): Disk read failed. [ 532.187658][ T5097] Dev nbd0: unable to read RDB block 0 [ 532.193158][ T5097] nbd0: unable to read partition table executing program [ 532.198824][ T5097] nbd0: partition table beyond EOD, truncated [ 532.312275][ T5171] nbd0: detected capacity change from 0 to 2 [ 532.428711][ T4464] block nbd0: Receive control failed (result -104) [ 562.583223][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 30 seconds [ 592.394053][ T4521] udevd[4521]: worker [5097] /devices/virtual/block/nbd0 is taking a long time [ 592.643404][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 60 seconds [ 622.723376][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 90 seconds [ 652.803374][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 120 seconds [ 682.883336][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 150 seconds executing program [ 712.546858][ T4521] udevd[4521]: worker [5097] /devices/virtual/block/nbd0 timeout; kill it [ 712.555744][ T4521] udevd[4521]: seq 7692 '/devices/virtual/block/nbd0' killed [ 712.555801][ T5097] ldm_validate_partition_table(): Disk read failed. [ 712.569780][ T5097] Dev nbd0: unable to read RDB block 0 [ 712.575538][ T5097] nbd0: unable to read partition table [ 712.581206][ T5097] nbd0: partition table beyond EOD, truncated [ 712.593981][ T4521] udevd[4521]: worker [5097] terminated by signal 9 (Killed) [ 712.601463][ T4521] udevd[4521]: worker [5097] failed while handling '/devices/virtual/block/nbd0' [ 712.963322][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 180 seconds [ 743.043298][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 210 seconds [ 773.123356][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 240 seconds [ 803.203364][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 270 seconds [ 833.283270][ T54] block nbd0: Possible stuck request ffff88801ef49800: control (read@0,1024B). Runtime 300 seconds [ 859.523204][ T28] INFO: task syz-executor301:5181 blocked for more than 143 seconds. [ 859.531398][ T28] Not tainted 6.7.0-syzkaller-01193-g6c1dd1fe5d8a #0 [ 859.538652][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.547429][ T28] task:syz-executor301 state:D stack:28144 pid:5181 tgid:5180 ppid:5096 flags:0x00000006 [ 859.557738][ T28] Call Trace: [ 859.561023][ T28] [ 859.563986][ T28] __schedule+0xf12/0x5c00 [ 859.568445][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 859.573924][ T28] ? xas_load+0x42/0x140 [ 859.578183][ T28] ? io_schedule_timeout+0x150/0x150 [ 859.583503][ T28] ? lock_release+0x4bf/0x690 [ 859.588196][ T28] ? schedule+0x1fc/0x270 [ 859.592515][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 859.597944][ T28] ? rcu_is_watching+0x12/0xb0 [ 859.602739][ T28] ? rcu_is_watching+0x12/0xb0 [ 859.607554][ T28] schedule+0xe9/0x270 [ 859.611635][ T28] blk_mq_freeze_queue_wait+0x13f/0x190 [ 859.617250][ T28] ? blk_mq_queue_inflight+0xa0/0xa0 [ 859.622553][ T28] ? prepare_to_swait_exclusive+0x240/0x240 [ 859.628494][ T28] ? blk_freeze_queue_start+0xce/0xf0 [ 859.633937][ T28] nbd_add_socket+0x18c/0x980 [ 859.638610][ T28] ? nbd_alloc_and_init_config+0x290/0x290 [ 859.644448][ T28] ? bpf_lsm_capable+0x9/0x10 [ 859.649143][ T28] ? security_capable+0x92/0xc0 [ 859.654318][ T28] nbd_ioctl+0x8b9/0xd60 [ 859.658585][ T28] ? blkdev_pr_preempt+0x2f0/0x2f0 [ 859.663745][ T28] ? nbd_start_device+0xe00/0xe00 [ 859.668782][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 859.674220][ T28] ? rcu_is_watching+0x12/0xb0 [ 859.678990][ T28] ? __rseq_handle_notify_resume+0x5f2/0x1020 [ 859.685103][ T28] ? nbd_start_device+0xe00/0xe00 [ 859.690141][ T28] blkdev_ioctl+0x2f3/0x760 [ 859.694697][ T28] ? blkdev_common_ioctl+0x1cd0/0x1cd0 [ 859.700170][ T28] ? bpf_lsm_file_ioctl+0x9/0x10 [ 859.705143][ T28] ? blkdev_common_ioctl+0x1cd0/0x1cd0 [ 859.710615][ T28] __x64_sys_ioctl+0x18f/0x210 [ 859.715429][ T28] do_syscall_64+0xd3/0x250 [ 859.719939][ T28] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 859.725858][ T28] RIP: 0033:0x7fee59f2d4b9 [ 859.730282][ T28] RSP: 002b:00007fee59eeb228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 859.738776][ T28] RAX: ffffffffffffffda RBX: 00007fee59fb4328 RCX: 00007fee59f2d4b9 [ 859.746795][ T28] RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003 [ 859.754819][ T28] RBP: 00007fee59fb4320 R08: 00007fee59eeb6c0 R09: 00007fee59eeb6c0 [ 859.762882][ T28] R10: 00007fee59eeb6c0 R11: 0000000000000246 R12: 00007fee59fb432c [ 859.770911][ T28] R13: 00007fee59f811a4 R14: 64626e2f7665642f R15: 00007ffd23ff3e88 [ 859.779048][ T28] [ 859.782068][ T28] INFO: task syz-executor301:5182 blocked for more than 143 seconds. [ 859.790158][ T28] Not tainted 6.7.0-syzkaller-01193-g6c1dd1fe5d8a #0 [ 859.797415][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.806117][ T28] task:syz-executor301 state:D stack:30200 pid:5182 tgid:5180 ppid:5096 flags:0x00000006 [ 859.816436][ T28] Call Trace: [ 859.819715][ T28] [ 859.822657][ T28] __schedule+0xf12/0x5c00 [ 859.827402][ T28] ? io_schedule_timeout+0x150/0x150 [ 859.832722][ T28] ? lock_release+0x4bf/0x690 [ 859.837496][ T28] ? schedule+0x1fc/0x270 [ 859.841891][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 859.847318][ T28] ? __mutex_lock+0x5b4/0x9d0 [ 859.852015][ T28] ? __mutex_trylock_common+0x78/0x250 [ 859.857545][ T28] ? mutex_is_locked+0x40/0x40 [ 859.862331][ T28] ? spin_bug+0x1d0/0x1d0 [ 859.866707][ T28] schedule+0xe9/0x270 [ 859.870789][ T28] schedule_preempt_disabled+0x13/0x20 [ 859.876299][ T28] __mutex_lock+0x5b9/0x9d0 [ 859.880822][ T28] ? nbd_ioctl+0x151/0xd60 [ 859.885270][ T28] ? mutex_trylock+0x130/0x130 [ 859.890056][ T28] ? bpf_lsm_capable+0x9/0x10 [ 859.894790][ T28] ? security_capable+0x92/0xc0 [ 859.899672][ T28] ? nbd_ioctl+0x151/0xd60 [ 859.904151][ T28] nbd_ioctl+0x151/0xd60 [ 859.908415][ T28] ? blkdev_pr_preempt+0x2f0/0x2f0 [ 859.913602][ T28] ? nbd_start_device+0xe00/0xe00 [ 859.918675][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 859.924125][ T28] ? sigprocmask+0xf1/0x330 [ 859.928651][ T28] ? do_sigtimedwait+0x5c0/0x5c0 [ 859.933633][ T28] ? nbd_start_device+0xe00/0xe00 [ 859.938670][ T28] blkdev_ioctl+0x2f3/0x760 [ 859.943220][ T28] ? blkdev_common_ioctl+0x1cd0/0x1cd0 [ 859.948708][ T28] ? bpf_lsm_file_ioctl+0x9/0x10 [ 859.953708][ T28] ? blkdev_common_ioctl+0x1cd0/0x1cd0 [ 859.959195][ T28] __x64_sys_ioctl+0x18f/0x210 [ 859.964197][ T28] do_syscall_64+0xd3/0x250 [ 859.968723][ T28] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 859.974683][ T28] RIP: 0033:0x7fee59f2d4b9 [ 859.979104][ T28] RSP: 002b:00007fee59eca228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 859.987556][ T28] RAX: ffffffffffffffda RBX: 00007fee59fb4338 RCX: 00007fee59f2d4b9 [ 859.995564][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 860.003619][ T28] RBP: 00007fee59fb4330 R08: 00007ffd23ff3e87 R09: 00007fee59eca6c0 [ 860.011604][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee59fb433c [ 860.019655][ T28] R13: 00007fee59f811a4 R14: 64626e2f7665642f R15: 00007ffd23ff3e88 [ 860.027675][ T28] [ 860.030700][ T28] INFO: task syz-executor301:5183 blocked for more than 143 seconds. [ 860.038834][ T28] Not tainted 6.7.0-syzkaller-01193-g6c1dd1fe5d8a #0 [ 860.046054][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 860.054849][ T28] task:syz-executor301 state:D stack:29136 pid:5183 tgid:5180 ppid:5096 flags:0x00000006 [ 860.065066][ T28] Call Trace: [ 860.068348][ T28] [ 860.071267][ T28] __schedule+0xf12/0x5c00 [ 860.075748][ T28] ? io_schedule_timeout+0x150/0x150 [ 860.081047][ T28] ? lock_release+0x4bf/0x690 [ 860.085766][ T28] ? schedule+0x1fc/0x270 [ 860.090106][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 860.095544][ T28] ? __mutex_lock+0x5b4/0x9d0 [ 860.100234][ T28] ? __mutex_trylock_common+0x78/0x250 [ 860.105728][ T28] ? mutex_is_locked+0x40/0x40 [ 860.110509][ T28] ? spin_bug+0x1d0/0x1d0 [ 860.114880][ T28] schedule+0xe9/0x270 [ 860.118971][ T28] schedule_preempt_disabled+0x13/0x20 [ 860.124480][ T28] __mutex_lock+0x5b9/0x9d0 [ 860.129038][ T28] ? nbd_ioctl+0x151/0xd60 [ 860.133510][ T28] ? mutex_trylock+0x130/0x130 [ 860.138298][ T28] ? bpf_lsm_capable+0x9/0x10 [ 860.143057][ T28] ? security_capable+0x92/0xc0 [ 860.147929][ T28] ? nbd_ioctl+0x151/0xd60 [ 860.152336][ T28] nbd_ioctl+0x151/0xd60 [ 860.156636][ T28] ? blkdev_pr_preempt+0x2f0/0x2f0 [ 860.161778][ T28] ? nbd_start_device+0xe00/0xe00 [ 860.166846][ T28] ? reacquire_held_locks+0x4c0/0x4c0 [ 860.172250][ T28] ? sigprocmask+0xf1/0x330 [ 860.176832][ T28] ? do_sigtimedwait+0x5c0/0x5c0 [ 860.181796][ T28] ? nbd_start_device+0xe00/0xe00 [ 860.186859][ T28] blkdev_ioctl+0x2f3/0x760 [ 860.191405][ T28] ? blkdev_common_ioctl+0x1cd0/0x1cd0 [ 860.196939][ T28] ? bpf_lsm_file_ioctl+0x9/0x10 [ 860.201989][ T28] ? blkdev_common_ioctl+0x1cd0/0x1cd0 [ 860.207500][ T28] __x64_sys_ioctl+0x18f/0x210 [ 860.212280][ T28] do_syscall_64+0xd3/0x250 [ 860.216880][ T28] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 860.222792][ T28] RIP: 0033:0x7fee59f2d4b9 [ 860.227248][ T28] RSP: 002b:00007fee59ea9228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 860.235733][ T28] RAX: ffffffffffffffda RBX: 00007fee59fb4348 RCX: 00007fee59f2d4b9 [ 860.243823][ T28] RDX: 0000000000000001 RSI: 000000000000ab07 RDI: 0000000000000003 [ 860.251806][ T28] RBP: 00007fee59fb4340 R08: 00007ffd23ff3e87 R09: 00007fee59ea96c0 [ 860.259831][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fee59fb434c [ 860.267997][ T28] R13: 00007fee59f811a4 R14: 64626e2f7665642f R15: 00007ffd23ff3e88 [ 860.276015][ T28] [ 860.279054][ T28] INFO: lockdep is turned off. [ 860.283852][ T28] NMI backtrace for cpu 0 [ 860.288181][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.7.0-syzkaller-01193-g6c1dd1fe5d8a #0 [ 860.297629][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 860.307681][ T28] Call Trace: [ 860.310947][ T28] [ 860.313864][ T28] dump_stack_lvl+0xd9/0x1b0 [ 860.318445][ T28] nmi_cpu_backtrace+0x277/0x390 [ 860.323381][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 860.328653][ T28] nmi_trigger_cpumask_backtrace+0x299/0x300 [ 860.334635][ T28] watchdog+0xf87/0x1210 [ 860.338950][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 860.344920][ T28] ? __kthread_parkme+0x14b/0x220 [ 860.350037][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 860.356024][ T28] kthread+0x2c6/0x3a0 [ 860.360091][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 860.365720][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 860.371351][ T28] ret_from_fork+0x45/0x80 [ 860.375768][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 860.381399][ T28] ret_from_fork_asm+0x11/0x20 [ 860.386168][ T28] [ 860.389292][ T28] Sending NMI from CPU 0 to CPUs 1: [ 860.394537][ C1] NMI backtrace for cpu 1 [ 860.394546][ C1] CPU: 1 PID: 58 Comm: kworker/u4:4 Not tainted 6.7.0-syzkaller-01193-g6c1dd1fe5d8a #0 [ 860.394560][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 860.394568][ C1] Workqueue: events_unbound toggle_allocation_gate [ 860.394590][ C1] RIP: 0010:flush_tlb_mm_range+0x1c0/0x320 [ 860.394610][ C1] Code: 48 8d bb f0 07 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2d 01 00 00 48 83 bb f0 07 00 00 00 <0f> 85 e9 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 [ 860.394622][ C1] RSP: 0018:ffffc90001597968 EFLAGS: 00000046 [ 860.394631][ C1] RAX: dffffc0000000000 RBX: ffff888013078000 RCX: 0000000000000000 [ 860.394639][ C1] RDX: 1ffff1100260f0fe RSI: 1ffffffff1e7333c RDI: ffff8880130787f0 [ 860.394646][ C1] RBP: 00002aaaaaaac000 R08: 0000000000000000 R09: 0000000000008e6a [ 860.394654][ C1] R10: ffff888013078627 R11: 0000000000000000 R12: 00002aaaaaaab000 [ 860.394661][ C1] R13: ffff8880b993c400 R14: ffff8880130788c0 R15: 0000000000000001 [ 860.394673][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 860.394685][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 860.394694][ C1] CR2: 000055c048916680 CR3: 000000000cf79000 CR4: 0000000000350ef0 [ 860.394701][ C1] Call Trace: [ 860.394706][ C1] [ 860.394711][ C1] ? show_regs+0x8f/0xa0 [ 860.394727][ C1] ? nmi_cpu_backtrace+0x1d4/0x390 [ 860.394746][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 860.394765][ C1] ? nmi_handle+0x1a6/0x570 [ 860.394779][ C1] ? x86_pmu_event_mapped+0x1c0/0x1c0 [ 860.394805][ C1] ? flush_tlb_mm_range+0x1c0/0x320 [ 860.394822][ C1] ? default_do_nmi+0x6a/0x160 [ 860.394836][ C1] ? exc_nmi+0x186/0x200 [ 860.394847][ C1] ? end_repeat_nmi+0xf/0x2a [ 860.394867][ C1] ? flush_tlb_mm_range+0x1c0/0x320 [ 860.394883][ C1] ? flush_tlb_mm_range+0x1c0/0x320 [ 860.394900][ C1] ? flush_tlb_mm_range+0x1c0/0x320 [ 860.394916][ C1] [ 860.394919][ C1] [ 860.394922][ C1] ? __kmalloc_node_track_caller+0x106/0x460 [ 860.394940][ C1] __text_poke+0x5bd/0xca0 [ 860.394953][ C1] ? setup_data_read+0x280/0x280 [ 860.394967][ C1] ? apply_relocation+0x830/0x830 [ 860.394979][ C1] ? preempt_count_sub+0x160/0x160 [ 860.394992][ C1] ? rcu_is_watching+0x12/0xb0 [ 860.395007][ C1] ? __kmalloc_node_track_caller+0x106/0x460 [ 860.395024][ C1] text_poke_bp_batch+0x1cd/0x750 [ 860.395038][ C1] ? arch_jump_label_transform_apply+0x17/0x30 [ 860.395057][ C1] ? alternatives_enable_smp+0x400/0x400 [ 860.395069][ C1] ? __jump_label_patch+0x1db/0x400 [ 860.395086][ C1] ? text_poke_queue+0xef/0x180 [ 860.395103][ C1] ? arch_jump_label_transform_queue+0xc0/0x110 [ 860.395123][ C1] text_poke_finish+0x30/0x40 [ 860.395136][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 860.395155][ C1] jump_label_update+0x1d7/0x400 [ 860.395173][ C1] static_key_disable_cpuslocked+0x154/0x1c0 [ 860.395190][ C1] static_key_disable+0x1a/0x20 [ 860.395206][ C1] toggle_allocation_gate+0x13f/0x250 [ 860.395223][ C1] ? wake_up_kfence_timer+0x30/0x30 [ 860.395239][ C1] ? spin_bug+0x1d0/0x1d0 [ 860.395252][ C1] process_one_work+0x886/0x15d0 [ 860.395272][ C1] ? lock_sync+0x190/0x190 [ 860.395290][ C1] ? workqueue_congested+0x300/0x300 [ 860.395309][ C1] ? assign_work+0x1a0/0x250 [ 860.395324][ C1] worker_thread+0x8b9/0x1290 [ 860.395344][ C1] ? process_one_work+0x15d0/0x15d0 [ 860.395360][ C1] kthread+0x2c6/0x3a0 [ 860.395374][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 860.395389][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 860.395404][ C1] ret_from_fork+0x45/0x80 [ 860.395419][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 860.395434][ C1] ret_from_fork_asm+0x11/0x20 [ 860.395454][ C1] [ 860.395534][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 860.771371][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.7.0-syzkaller-01193-g6c1dd1fe5d8a #0 [ 860.780821][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 860.790880][ T28] Call Trace: [ 860.794158][ T28] [ 860.797084][ T28] dump_stack_lvl+0xd9/0x1b0 [ 860.801678][ T28] panic+0x6dc/0x790 [ 860.805576][ T28] ? panic_smp_self_stop+0xa0/0xa0 [ 860.810688][ T28] ? __irq_work_queue_local+0x132/0x400 [ 860.816224][ T28] ? irq_work_queue+0x2a/0x70 [ 860.820892][ T28] ? watchdog+0xd3e/0x1210 [ 860.825300][ T28] ? watchdog+0xd31/0x1210 [ 860.829715][ T28] watchdog+0xd4f/0x1210 [ 860.833956][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 860.839931][ T28] ? __kthread_parkme+0x14b/0x220 [ 860.844948][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 860.851097][ T28] kthread+0x2c6/0x3a0 [ 860.855198][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 860.860828][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 860.866549][ T28] ret_from_fork+0x45/0x80 [ 860.870966][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 860.876604][ T28] ret_from_fork_asm+0x11/0x20 [ 860.881379][ T28] [ 860.884620][ T28] Kernel Offset: disabled [ 860.888930][ T28] Rebooting in 86400 seconds..