Warning: Permanently added '10.128.1.79' (ED25519) to the list of known hosts. executing program [ 267.675990][ T4275] nbd0: detected capacity change from 0 to 510 [ 267.793837][ T48] block nbd0: Receive control failed (result -104) [ 267.794955][ T4272] block nbd0: shutting down sockets [ 267.813012][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 267.822248][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 267.830223][ T4274] ldm_validate_partition_table(): Disk read failed. [ 267.837024][ T4274] Dev nbd0: unable to read RDB block 0 executing program [ 267.842496][ T4274] nbd0: unable to read partition table [ 267.848257][ T4274] nbd0: partition table beyond EOD, truncated [ 267.964620][ T4278] nbd0: detected capacity change from 0 to 510 [ 268.082106][ T48] block nbd0: Receive control failed (result -104) [ 268.082390][ T4277] block nbd0: shutting down sockets [ 268.094286][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 268.103371][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 268.111200][ T4274] ldm_validate_partition_table(): Disk read failed. [ 268.117886][ T4274] Dev nbd0: unable to read RDB block 0 [ 268.123432][ T4274] nbd0: unable to read partition table executing program [ 268.129106][ T4274] nbd0: partition table beyond EOD, truncated [ 268.250885][ T4280] nbd0: detected capacity change from 0 to 510 [ 268.368558][ T48] block nbd0: Receive control failed (result -104) [ 268.375835][ T4281] block nbd0: shutting down sockets [ 268.383134][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 268.392210][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 268.400105][ T4274] ldm_validate_partition_table(): Disk read failed. [ 268.406799][ T4274] Dev nbd0: unable to read RDB block 0 [ 268.412309][ T4274] nbd0: unable to read partition table executing program [ 268.418157][ T4274] nbd0: partition table beyond EOD, truncated [ 268.515889][ T4284] nbd0: detected capacity change from 0 to 510 [ 268.632907][ T48] block nbd0: Receive control failed (result -104) [ 268.633226][ T4283] block nbd0: shutting down sockets [ 268.645405][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 268.654488][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 268.662378][ T4274] ldm_validate_partition_table(): Disk read failed. [ 268.669095][ T4274] Dev nbd0: unable to read RDB block 0 [ 268.675088][ T4274] nbd0: unable to read partition table executing program [ 268.680762][ T4274] nbd0: partition table beyond EOD, truncated [ 268.800952][ T4286] nbd0: detected capacity change from 0 to 510 [ 268.918380][ T48] block nbd0: Receive control failed (result -104) [ 268.918684][ T4287] block nbd0: shutting down sockets [ 268.930868][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 268.939991][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 268.947936][ T4274] ldm_validate_partition_table(): Disk read failed. [ 268.954613][ T4274] Dev nbd0: unable to read RDB block 0 [ 268.960204][ T4274] nbd0: unable to read partition table executing program [ 268.965999][ T4274] nbd0: partition table beyond EOD, truncated [ 269.074896][ T4290] nbd0: detected capacity change from 0 to 510 [ 269.192905][ T48] block nbd0: Receive control failed (result -104) [ 269.193728][ T4289] block nbd0: shutting down sockets [ 269.205330][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 269.214401][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 269.222358][ T4274] ldm_validate_partition_table(): Disk read failed. [ 269.229089][ T4274] Dev nbd0: unable to read RDB block 0 [ 269.234619][ T4274] nbd0: unable to read partition table executing program [ 269.240311][ T4274] nbd0: partition table beyond EOD, truncated [ 269.356922][ T4292] nbd0: detected capacity change from 0 to 510 [ 269.473509][ T48] block nbd0: Receive control failed (result -104) [ 269.474412][ T4293] block nbd0: shutting down sockets [ 269.492884][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 269.501981][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 269.509992][ T4274] ldm_validate_partition_table(): Disk read failed. [ 269.516683][ T4274] Dev nbd0: unable to read RDB block 0 executing program [ 269.522157][ T4274] nbd0: unable to read partition table [ 269.527911][ T4274] nbd0: partition table beyond EOD, truncated [ 269.624881][ T4296] nbd0: detected capacity change from 0 to 510 [ 269.741541][ T48] block nbd0: Receive control failed (result -104) [ 269.741852][ T4295] block nbd0: shutting down sockets [ 269.753725][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 269.762846][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 269.770850][ T4274] ldm_validate_partition_table(): Disk read failed. [ 269.777653][ T4274] Dev nbd0: unable to read RDB block 0 [ 269.783270][ T4274] nbd0: unable to read partition table executing program [ 269.788991][ T4274] nbd0: partition table beyond EOD, truncated [ 269.895014][ T4299] nbd0: detected capacity change from 0 to 510 [ 270.011996][ T48] block nbd0: Receive control failed (result -104) [ 270.012297][ T4298] block nbd0: shutting down sockets [ 270.024522][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 270.033630][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 270.041484][ T4274] ldm_validate_partition_table(): Disk read failed. [ 270.048257][ T4274] Dev nbd0: unable to read RDB block 0 [ 270.053909][ T4274] nbd0: unable to read partition table executing program [ 270.059583][ T4274] nbd0: partition table beyond EOD, truncated [ 270.174972][ T4302] nbd0: detected capacity change from 0 to 510 [ 270.292116][ T48] block nbd0: Receive control failed (result -104) [ 270.292391][ T4301] block nbd0: shutting down sockets [ 270.304323][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 270.313402][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 270.321230][ T4274] ldm_validate_partition_table(): Disk read failed. [ 270.327895][ T4274] Dev nbd0: unable to read RDB block 0 [ 270.333419][ T4274] nbd0: unable to read partition table executing program [ 270.339107][ T4274] nbd0: partition table beyond EOD, truncated [ 270.458876][ T4304] nbd0: detected capacity change from 0 to 510 executing program [ 270.575574][ T48] block nbd0: Receive control failed (result -104) [ 270.575904][ T4305] block nbd0: shutting down sockets [ 270.592684][ T4274] ldm_validate_partition_table(): Disk read failed. [ 270.599491][ T4274] Dev nbd0: unable to read RDB block 0 [ 270.605030][ T4274] nbd0: unable to read partition table [ 270.610712][ T4274] nbd0: partition table beyond EOD, truncated [ 270.728843][ T4307] nbd0: detected capacity change from 0 to 510 executing program [ 270.846612][ T48] block nbd0: Receive control failed (result -104) [ 270.847195][ T4308] block nbd0: shutting down sockets [ 270.859394][ T4274] ldm_validate_partition_table(): Disk read failed. [ 270.866157][ T4274] Dev nbd0: unable to read RDB block 0 [ 270.871691][ T4274] nbd0: unable to read partition table [ 270.877492][ T4274] nbd0: partition table beyond EOD, truncated [ 271.000013][ T4310] nbd0: detected capacity change from 0 to 510 [ 271.117513][ T48] block nbd0: Receive control failed (result -104) [ 301.133517][ T1043] block nbd0: Possible stuck request ffff888025971200: control (read@0,4096B). Runtime 30 seconds [ 331.076831][ T3624] udevd[3624]: worker [4274] /devices/virtual/block/nbd0 is taking a long time [ 331.213369][ T1043] block nbd0: Possible stuck request ffff888025971200: control (read@0,4096B). Runtime 60 seconds [ 361.292970][ T1043] block nbd0: Possible stuck request ffff888025971200: control (read@0,4096B). Runtime 90 seconds [ 391.372933][ T1043] block nbd0: Possible stuck request ffff888025971200: control (read@0,4096B). Runtime 120 seconds [ 421.452980][ T1043] block nbd0: Possible stuck request ffff888025971200: control (read@0,4096B). Runtime 150 seconds [ 431.052889][ T28] INFO: task syz-executor310:4311 blocked for more than 143 seconds. [ 431.061122][ T28] Not tainted 6.1.132-syzkaller #0 [ 431.066893][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 431.075664][ T28] task:syz-executor310 state:D stack:27832 pid:4311 ppid:4270 flags:0x00004006 [ 431.084975][ T28] Call Trace: [ 431.088277][ T28] [ 431.091215][ T28] __schedule+0x143f/0x4570 [ 431.095845][ T28] ? __mutex_lock+0x6b4/0xd80 [ 431.100557][ T28] ? release_firmware_map_entry+0x18b/0x18b [ 431.106512][ T28] ? __mutex_trylock_common+0x8d/0x2e0 [ 431.112002][ T28] ? do_raw_spin_unlock+0x137/0x8a0 [ 431.117273][ T28] schedule+0xbf/0x180 [ 431.121365][ T28] schedule_preempt_disabled+0xf/0x20 [ 431.126791][ T28] __mutex_lock+0x6b9/0xd80 [ 431.131334][ T28] ? __mutex_lock+0x53c/0xd80 [ 431.136098][ T28] ? blkdev_put+0x100/0x750 [ 431.140628][ T28] ? mutex_lock_nested+0x10/0x10 [ 431.145697][ T28] ? __fsnotify_parent+0x50c/0x730 [ 431.150859][ T28] blkdev_put+0x100/0x750 [ 431.155306][ T28] blkdev_close+0x56/0x80 [ 431.159662][ T28] ? blkdev_open+0x2e0/0x2e0 [ 431.164338][ T28] __fput+0x3f6/0x8d0 [ 431.168384][ T28] task_work_run+0x246/0x300 [ 431.173051][ T28] ? task_work_cancel+0x2e0/0x2e0 [ 431.178101][ T28] ? stack_trace_snprint+0xe0/0xe0 [ 431.183305][ T28] get_signal+0x15d0/0x17a0 [ 431.187836][ T28] ? kasan_save_stack+0x4d/0x60 [ 431.192759][ T28] ? kasan_save_stack+0x3b/0x60 [ 431.197640][ T28] ? __kasan_record_aux_stack+0xb0/0xc0 [ 431.203274][ T28] ? task_work_add+0x87/0x3a0 [ 431.207989][ T28] ? fput+0xe2/0x1b0 [ 431.211906][ T28] ? do_syscall_64+0x3b/0xb0 [ 431.216565][ T28] ? entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 431.222718][ T28] ? ptrace_notify+0x370/0x370 [ 431.227519][ T28] arch_do_signal_or_restart+0xb0/0x1a10 [ 431.233241][ T28] ? get_sigframe_size+0x10/0x10 [ 431.238200][ T28] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 431.244246][ T28] ? blkdev_ioctl+0x3a9/0x760 [ 431.248943][ T28] ? exit_to_user_mode_loop+0x39/0x100 [ 431.254475][ T28] exit_to_user_mode_loop+0x6a/0x100 [ 431.259773][ T28] exit_to_user_mode_prepare+0xb1/0x140 [ 431.265368][ T28] syscall_exit_to_user_mode+0x60/0x270 [ 431.270966][ T28] do_syscall_64+0x47/0xb0 [ 431.275467][ T28] ? clear_bhb_loop+0x45/0xa0 [ 431.280167][ T28] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 431.286108][ T28] RIP: 0033:0x7f7fd8d7ab29 [ 431.290550][ T28] RSP: 002b:00007f7fd8d17218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 431.299027][ T28] RAX: 0000000000000000 RBX: 00007f7fd8e02338 RCX: 00007f7fd8d7ab29 [ 431.307034][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 431.315054][ T28] RBP: 00007f7fd8e02330 R08: 00007ffeed4da637 R09: 0000000000000000 [ 431.323087][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7fd8e0233c [ 431.331068][ T28] R13: 00007f7fd8dcf544 R14: 64626e2f7665642f R15: 0000200000000040 [ 431.339121][ T28] [ 431.342188][ T28] [ 431.342188][ T28] Showing all locks held in the system: [ 431.349961][ T28] 1 lock held by rcu_tasks_kthre/12: [ 431.355331][ T28] #0: ffffffff8d32e910 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 431.365840][ T28] 1 lock held by rcu_tasks_trace/13: [ 431.371129][ T28] #0: ffffffff8d32f110 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 431.382267][ T28] 1 lock held by khungtaskd/28: [ 431.387162][ T28] #0: ffffffff8d32e740 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 431.397104][ T28] 1 lock held by klogd/3613: [ 431.401703][ T28] #0: ffff8880b8e3a998 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 431.411694][ T28] 2 locks held by getty/4006: [ 431.416418][ T28] #0: ffff88814cd44098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 431.426216][ T28] #1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x54a/0x1620 [ 431.436426][ T28] 1 lock held by udevd/4274: [ 431.441039][ T28] #0: ffff8881437c94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x148/0xa10 [ 431.451096][ T28] 1 lock held by syz-executor310/4311: [ 431.456653][ T28] #0: ffff8881437c94c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x100/0x750 [ 431.466130][ T28] [ 431.468473][ T28] ============================================= [ 431.468473][ T28] [ 431.476964][ T28] NMI backtrace for cpu 1 [ 431.481307][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.132-syzkaller #0 [ 431.489189][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 431.499229][ T28] Call Trace: [ 431.502499][ T28] [ 431.505422][ T28] dump_stack_lvl+0x1e3/0x2cb [ 431.510095][ T28] ? nf_tcp_handle_invalid+0x647/0x647 [ 431.515566][ T28] ? panic+0x764/0x764 [ 431.519635][ T28] ? vprintk_emit+0x622/0x740 [ 431.524303][ T28] ? printk_sprint+0x490/0x490 [ 431.529057][ T28] ? nmi_cpu_backtrace+0x252/0x560 [ 431.534162][ T28] nmi_cpu_backtrace+0x4e1/0x560 [ 431.539097][ T28] ? nmi_trigger_cpumask_backtrace+0x430/0x430 [ 431.545242][ T28] ? _printk+0xd1/0x111 [ 431.549390][ T28] ? panic+0x764/0x764 [ 431.553450][ T28] ? __wake_up_klogd+0xcc/0x100 [ 431.558293][ T28] ? panic+0x764/0x764 [ 431.562353][ T28] ? nmi_trigger_cpumask_backtrace+0xfc/0x430 [ 431.568415][ T28] nmi_trigger_cpumask_backtrace+0x1ca/0x430 [ 431.574392][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 431.580462][ T28] watchdog+0xf88/0xfd0 [ 431.584627][ T28] ? watchdog+0x1f8/0xfd0 [ 431.588962][ T28] kthread+0x28d/0x320 [ 431.593026][ T28] ? hungtask_pm_notify+0x50/0x50 [ 431.598062][ T28] ? kthread_blkcg+0xd0/0xd0 [ 431.602684][ T28] ret_from_fork+0x1f/0x30 [ 431.607113][ T28] [ 431.610262][ T28] Sending NMI from CPU 1 to CPUs 0: [ 431.615517][ C0] NMI backtrace for cpu 0 [ 431.615527][ C0] CPU: 0 PID: 1123 Comm: kworker/u4:5 Not tainted 6.1.132-syzkaller #0 [ 431.615543][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 431.615553][ C0] Workqueue: events_unbound toggle_allocation_gate [ 431.615580][ C0] RIP: 0010:__lock_acquire+0x6e1/0x1f80 [ 431.615606][ C0] Code: 8b 34 24 48 ba 00 00 00 00 00 fc ff df e9 65 ff ff ff 65 8b 05 74 b3 97 7e 41 b7 02 85 c0 48 8b 5c 24 10 75 1f 48 8b 44 24 58 <0f> b6 04 10 84 c0 0f 85 9f 14 00 00 83 3b 00 41 0f 94 c7 45 00 ff [ 431.615619][ C0] RSP: 0018:ffffc900047f7540 EFLAGS: 00000046 [ 431.615631][ C0] RAX: 1ffff11004e34c80 RBX: ffff8880271a6404 RCX: 0000000000000002 [ 431.615643][ C0] RDX: dffffc0000000000 RSI: ffff8880271a6420 RDI: ffffffff912bb260 [ 431.615655][ C0] RBP: 00000000ffffffff R08: dffffc0000000000 R09: fffffbfff225764d [ 431.615666][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 431.615676][ C0] R13: ffff8880271a5940 R14: ffff8880271a6508 R15: 1ffff11004e34c02 [ 431.615688][ C0] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 431.615702][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.615712][ C0] CR2: 000055b9e2963600 CR3: 000000000d08e000 CR4: 00000000003506f0 [ 431.615727][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 431.615735][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 431.615745][ C0] Call Trace: [ 431.615750][ C0] [ 431.615755][ C0] ? nmi_cpu_backtrace+0x3de/0x560 [ 431.615772][ C0] ? read_lock_is_recursive+0x10/0x10 [ 431.615796][ C0] ? nmi_trigger_cpumask_backtrace+0x430/0x430 [ 431.615819][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 431.615833][ C0] ? nmi_handle+0x12e/0x440 [ 431.615857][ C0] ? nmi_handle+0x25/0x440 [ 431.615880][ C0] ? __lock_acquire+0x6e1/0x1f80 [ 431.615902][ C0] ? default_do_nmi+0x62/0x150 [ 431.615919][ C0] ? exc_nmi+0xa8/0x100 [ 431.615935][ C0] ? end_repeat_nmi+0x16/0x31 [ 431.615958][ C0] ? __lock_acquire+0x6e1/0x1f80 [ 431.615981][ C0] ? __lock_acquire+0x6e1/0x1f80 [ 431.616004][ C0] ? __lock_acquire+0x6e1/0x1f80 [ 431.616027][ C0] [ 431.616031][ C0] [ 431.616041][ C0] lock_acquire+0x1f8/0x5a0 [ 431.616063][ C0] ? __get_locked_pte+0x169/0x1c0 [ 431.616085][ C0] ? read_lock_is_recursive+0x10/0x10 [ 431.616110][ C0] ? __text_poke+0x81a/0x9a0 [ 431.616127][ C0] ? mark_lock+0x9a/0x340 [ 431.616140][ C0] ? __lock_acquire+0x1f80/0x1f80 [ 431.616163][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 431.616189][ C0] _raw_spin_lock+0x2a/0x40 [ 431.616204][ C0] ? __get_locked_pte+0x169/0x1c0 [ 431.616222][ C0] __get_locked_pte+0x169/0x1c0 [ 431.616241][ C0] ? kmem_cache_alloc_lru+0x57/0x2d0 [ 431.616262][ C0] __text_poke+0x280/0x9a0 [ 431.616282][ C0] ? kmem_cache_alloc_lru+0x57/0x2d0 [ 431.616302][ C0] ? __text_poke+0x9a0/0x9a0 [ 431.616328][ C0] ? text_poke+0x90/0x90 [ 431.616345][ C0] ? kmem_cache_alloc+0x5a/0x2d0 [ 431.616365][ C0] ? perf_event_text_poke+0x254/0x320 [ 431.616385][ C0] ? __mutex_trylock_common+0x17e/0x2e0 [ 431.616406][ C0] ? perf_event_bpf_output+0x270/0x270 [ 431.616425][ C0] ? trace_raw_output_contention_end+0xd0/0xd0 [ 431.616451][ C0] text_poke_bp_batch+0x481/0x940 [ 431.616473][ C0] ? kmem_cache_alloc_lru+0x57/0x2d0 [ 431.616493][ C0] ? text_poke_loc_init+0x680/0x680 [ 431.616514][ C0] ? arch_jump_label_transform_queue+0x7d/0xd0 [ 431.616534][ C0] text_poke_finish+0x16/0x30 [ 431.616553][ C0] arch_jump_label_transform_apply+0x13/0x20 [ 431.616571][ C0] static_key_disable_cpuslocked+0xce/0x1b0 [ 431.616594][ C0] static_key_disable+0x16/0x20 [ 431.616615][ C0] toggle_allocation_gate+0x3e0/0x480 [ 431.616637][ C0] ? show_object+0xa0/0xa0 [ 431.616657][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 431.616681][ C0] ? print_irqtrace_events+0x210/0x210 [ 431.616703][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 431.616721][ C0] ? do_raw_spin_unlock+0x137/0x8a0 [ 431.616739][ C0] ? process_one_work+0x806/0x1260 [ 431.616758][ C0] process_one_work+0x917/0x1260 [ 431.616781][ C0] ? worker_detach_from_pool+0x260/0x260 [ 431.616801][ C0] ? _raw_spin_lock_irqsave+0x120/0x120 [ 431.616817][ C0] ? kthread_data+0x4e/0xc0 [ 431.616841][ C0] ? wq_worker_running+0x97/0x190 [ 431.616856][ C0] worker_thread+0xa47/0x1200 [ 431.616875][ C0] ? _raw_spin_unlock+0x40/0x40 [ 431.616890][ C0] ? release_firmware_map_entry+0x18b/0x18b [ 431.616913][ C0] ? _raw_spin_unlock+0x40/0x40 [ 431.616933][ C0] kthread+0x28d/0x320 [ 431.616946][ C0] ? worker_clr_flags+0x190/0x190 [ 431.616963][ C0] ? kthread_blkcg+0xd0/0xd0 [ 431.616978][ C0] ret_from_fork+0x1f/0x30 [ 431.617004][ C0] [ 431.617558][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 432.087005][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.132-syzkaller #0 [ 432.094895][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 432.104944][ T28] Call Trace: [ 432.108242][ T28] [ 432.111199][ T28] dump_stack_lvl+0x1e3/0x2cb [ 432.115900][ T28] ? nf_tcp_handle_invalid+0x647/0x647 [ 432.121368][ T28] ? panic+0x764/0x764 [ 432.125443][ T28] ? vscnprintf+0x59/0x80 [ 432.129776][ T28] panic+0x318/0x764 [ 432.133675][ T28] ? nmi_trigger_cpumask_backtrace+0x2db/0x430 [ 432.139833][ T28] ? memcpy_page_flushcache+0xfc/0xfc [ 432.145210][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 432.150613][ T28] ? nmi_trigger_cpumask_backtrace+0x2db/0x430 [ 432.156764][ T28] ? nmi_trigger_cpumask_backtrace+0x358/0x430 [ 432.162918][ T28] ? nmi_trigger_cpumask_backtrace+0x35d/0x430 [ 432.169074][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 432.175148][ T28] watchdog+0xfc7/0xfd0 [ 432.179347][ T28] ? watchdog+0x1f8/0xfd0 [ 432.183709][ T28] kthread+0x28d/0x320 [ 432.187789][ T28] ? hungtask_pm_notify+0x50/0x50 [ 432.192839][ T28] ? kthread_blkcg+0xd0/0xd0 [ 432.197454][ T28] ret_from_fork+0x1f/0x30 [ 432.201900][ T28] [ 432.205273][ T28] Kernel Offset: disabled [ 432.209610][ T28] Rebooting in 86400 seconds..