Warning: Permanently added '10.128.0.141' (ED25519) to the list of known hosts. executing program [ 555.773756][ T5093] nbd0: detected capacity change from 0 to 65538 [ 555.891812][ T4457] block nbd0: Receive control failed (result -104) [ 555.892850][ T5092] block nbd0: shutting down sockets [ 555.904716][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 555.913914][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 555.921826][ T5089] ldm_validate_partition_table(): Disk read failed. [ 555.928504][ T5089] Dev nbd0: unable to read RDB block 0 [ 555.934114][ T5089] nbd0: unable to read partition table executing program [ 555.939783][ T5089] nbd0: partition table beyond EOD, truncated [ 556.056988][ T5095] nbd0: detected capacity change from 0 to 65538 [ 556.176174][ T4457] block nbd0: Receive control failed (result -104) [ 556.176793][ T5096] block nbd0: shutting down sockets [ 556.188297][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 556.197399][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 556.205281][ T5089] ldm_validate_partition_table(): Disk read failed. [ 556.211951][ T5089] Dev nbd0: unable to read RDB block 0 [ 556.217445][ T5089] nbd0: unable to read partition table executing program [ 556.223218][ T5089] nbd0: partition table beyond EOD, truncated [ 556.321637][ T5099] nbd0: detected capacity change from 0 to 65538 [ 556.440674][ T4457] block nbd0: Receive control failed (result -104) [ 556.441195][ T5098] block nbd0: shutting down sockets [ 556.453062][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 556.462431][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 556.470301][ T5089] ldm_validate_partition_table(): Disk read failed. [ 556.476907][ T5089] Dev nbd0: unable to read RDB block 0 [ 556.482502][ T5089] nbd0: unable to read partition table executing program [ 556.488269][ T5089] nbd0: partition table beyond EOD, truncated [ 556.607950][ T5101] nbd0: detected capacity change from 0 to 65538 [ 556.727490][ T4457] block nbd0: Receive control failed (result -104) [ 556.734108][ T5102] block nbd0: shutting down sockets [ 556.739586][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 556.748727][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 556.756643][ T5089] ldm_validate_partition_table(): Disk read failed. [ 556.763367][ T5089] Dev nbd0: unable to read RDB block 0 [ 556.768846][ T5089] nbd0: unable to read partition table executing program [ 556.774719][ T5089] nbd0: partition table beyond EOD, truncated [ 556.871579][ T5105] nbd0: detected capacity change from 0 to 65538 [ 556.989787][ T4457] block nbd0: Receive control failed (result -104) [ 556.990450][ T5104] block nbd0: shutting down sockets [ 557.001777][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 557.010859][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 557.018857][ T5089] ldm_validate_partition_table(): Disk read failed. [ 557.025690][ T5089] Dev nbd0: unable to read RDB block 0 [ 557.031296][ T5089] nbd0: unable to read partition table executing program [ 557.036952][ T5089] nbd0: partition table beyond EOD, truncated [ 557.155015][ T5107] nbd0: detected capacity change from 0 to 65538 [ 557.274111][ T4457] block nbd0: Receive control failed (result -104) [ 557.274528][ T5108] block nbd0: shutting down sockets [ 557.286337][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 557.295441][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 557.303338][ T5089] ldm_validate_partition_table(): Disk read failed. [ 557.310052][ T5089] Dev nbd0: unable to read RDB block 0 [ 557.315529][ T5089] nbd0: unable to read partition table executing program [ 557.321505][ T5089] nbd0: partition table beyond EOD, truncated [ 557.439004][ T5110] nbd0: detected capacity change from 0 to 65538 [ 557.556697][ T4457] block nbd0: Receive control failed (result -104) [ 557.563280][ T5111] block nbd0: shutting down sockets [ 557.568757][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 557.577844][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 557.585732][ T5089] ldm_validate_partition_table(): Disk read failed. [ 557.592634][ T5089] Dev nbd0: unable to read RDB block 0 [ 557.598239][ T5089] nbd0: unable to read partition table executing program [ 557.604036][ T5089] nbd0: partition table beyond EOD, truncated [ 557.721004][ T5113] nbd0: detected capacity change from 0 to 65538 [ 557.840590][ T4457] block nbd0: Receive control failed (result -104) [ 587.960782][ T54] block nbd0: Possible stuck request ffff88801d708a00: control (read@0,4096B). Runtime 30 seconds [ 617.805751][ T4513] udevd[4513]: worker [5089] /devices/virtual/block/nbd0 is taking a long time [ 618.040318][ T54] block nbd0: Possible stuck request ffff88801d708a00: control (read@0,4096B). Runtime 60 seconds [ 648.120197][ T54] block nbd0: Possible stuck request ffff88801d708a00: control (read@0,4096B). Runtime 90 seconds [ 678.200222][ T54] block nbd0: Possible stuck request ffff88801d708a00: control (read@0,4096B). Runtime 120 seconds [ 708.280181][ T54] block nbd0: Possible stuck request ffff88801d708a00: control (read@0,4096B). Runtime 150 seconds [ 716.599988][ T29] INFO: task syz-executor404:5114 blocked for more than 143 seconds. [ 716.608154][ T29] Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 716.615789][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.624519][ T29] task:syz-executor404 state:D stack:27792 pid:5114 tgid:5112 ppid:5088 flags:0x00004006 [ 716.634786][ T29] Call Trace: [ 716.638072][ T29] [ 716.641043][ T29] __schedule+0x1961/0x4ab0 [ 716.645716][ T29] ? release_firmware_map_entry+0x190/0x190 [ 716.651678][ T29] ? __lock_acquire+0x1fd0/0x1fd0 [ 716.656800][ T29] ? __mutex_trylock_common+0x91/0x2e0 [ 716.662304][ T29] ? schedule+0x8e/0x260 [ 716.666558][ T29] schedule+0x149/0x260 [ 716.670836][ T29] schedule_preempt_disabled+0x13/0x20 [ 716.676406][ T29] __mutex_lock+0x6a3/0xd60 [ 716.680970][ T29] ? __mutex_lock+0x526/0xd60 [ 716.685661][ T29] ? blkdev_put+0xff/0x770 [ 716.690181][ T29] ? mutex_lock_nested+0x20/0x20 [ 716.695134][ T29] ? __fsnotify_parent+0x4d6/0x730 [ 716.700327][ T29] blkdev_put+0xff/0x770 [ 716.704583][ T29] ? __rwlock_init+0x150/0x150 [ 716.709340][ T29] bdev_release+0x57/0x70 [ 716.713733][ T29] blkdev_release+0x3b/0x40 [ 716.718243][ T29] ? blkdev_open+0x3c0/0x3c0 [ 716.722896][ T29] __fput+0x3cc/0xa10 [ 716.726895][ T29] task_work_run+0x24a/0x300 [ 716.731754][ T29] ? kasan_save_stack+0x3f/0x60 [ 716.736635][ T29] ? __kasan_record_aux_stack+0xad/0xc0 [ 716.742240][ T29] ? task_work_cancel+0x2b0/0x2b0 [ 716.747289][ T29] get_signal+0x166e/0x1840 [ 716.751905][ T29] ? ptrace_notify+0x380/0x380 [ 716.756796][ T29] arch_do_signal_or_restart+0x96/0x860 [ 716.762435][ T29] ? get_sigframe_size+0x20/0x20 [ 716.767374][ T29] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 716.773458][ T29] ? blkdev_ioctl+0x5cf/0x730 [ 716.778189][ T29] ? exit_to_user_mode_loop+0x39/0x100 [ 716.783707][ T29] exit_to_user_mode_loop+0x6a/0x100 [ 716.789003][ T29] exit_to_user_mode_prepare+0xb1/0x150 [ 716.794611][ T29] syscall_exit_to_user_mode+0x69/0x2a0 [ 716.800246][ T29] do_syscall_64+0x52/0x110 [ 716.804755][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 716.810794][ T29] RIP: 0033:0x7f188dbeb4b9 [ 716.815220][ T29] RSP: 002b:00007f188db88228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 716.823666][ T29] RAX: 0000000000000000 RBX: 00007f188dc72338 RCX: 00007f188dbeb4b9 [ 716.831682][ T29] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 716.839643][ T29] RBP: 00007f188dc72330 R08: 00007ffc194ea967 R09: 00007f188db886c0 [ 716.847748][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f188dc7233c [ 716.855834][ T29] R13: 00007f188dc3f1a4 R14: 64626e2f7665642f R15: 00007ffc194ea968 [ 716.864116][ T29] [ 716.867138][ T29] [ 716.867138][ T29] Showing all locks held in the system: [ 716.874997][ T29] 1 lock held by khungtaskd/29: [ 716.879891][ T29] #0: ffffffff8d92d060 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 716.889859][ T29] 6 locks held by kworker/u4:6/1075: [ 716.895154][ T29] #0: ffffffff8d92d060 (rcu_read_lock){....}-{1:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 716.905339][ T29] #1: ffff8880b9828808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3a7/0x770 [ 716.916825][ T29] #2: ffff8880b9829718 (&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 [ 716.926193][ T29] #3: ffffffff9283c190 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_object_activate+0x163/0x530 [ 716.936651][ T29] #4: ffffffff8d7dd1e8 (text_mutex){+.+.}-{3:3}, at: arch_jump_label_transform_apply+0x17/0x30 [ 716.947413][ T29] #5: ffffffff8d92d060 (rcu_read_lock){....}-{1:2}, at: __pte_offset_map+0x82/0x380 [ 716.957024][ T29] 2 locks held by getty/4812: [ 716.961765][ T29] #0: ffff8880266a50a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 716.971645][ T29] #1: ffffc900015c72f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 [ 716.981889][ T29] 1 lock held by udevd/5089: [ 716.986489][ T29] #0: ffff888140f5f4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x123/0x480 [ 716.996548][ T29] 1 lock held by syz-executor404/5114: [ 717.002030][ T29] #0: ffff888140f5f4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xff/0x770 [ 717.011558][ T29] [ 717.013912][ T29] ============================================= [ 717.013912][ T29] [ 717.022390][ T29] NMI backtrace for cpu 1 [ 717.026720][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 717.036500][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 717.047923][ T29] Call Trace: [ 717.051358][ T29] [ 717.054272][ T29] dump_stack_lvl+0x1e7/0x2d0 [ 717.058937][ T29] ? nf_tcp_handle_invalid+0x650/0x650 [ 717.064376][ T29] ? panic+0x850/0x850 [ 717.068454][ T29] ? vprintk_emit+0x607/0x720 [ 717.073135][ T29] ? printk_sprint+0x480/0x480 [ 717.077885][ T29] nmi_cpu_backtrace+0x498/0x4d0 [ 717.082815][ T29] ? nmi_trigger_cpumask_backtrace+0x310/0x310 [ 717.088949][ T29] ? _printk+0xd5/0x120 [ 717.093086][ T29] ? panic+0x850/0x850 [ 717.097143][ T29] ? __wake_up_klogd+0xcc/0x100 [ 717.102062][ T29] ? panic+0x850/0x850 [ 717.106114][ T29] ? __rcu_read_unlock+0x98/0x100 [ 717.111143][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 717.117193][ T29] nmi_trigger_cpumask_backtrace+0x198/0x310 [ 717.123165][ T29] watchdog+0xfaf/0xff0 [ 717.127336][ T29] ? watchdog+0x1e9/0xff0 [ 717.131669][ T29] kthread+0x2d3/0x370 [ 717.135738][ T29] ? hungtask_pm_notify+0x90/0x90 [ 717.140756][ T29] ? kthread_blkcg+0xd0/0xd0 [ 717.145337][ T29] ret_from_fork+0x48/0x80 [ 717.149742][ T29] ? kthread_blkcg+0xd0/0xd0 [ 717.154499][ T29] ret_from_fork_asm+0x11/0x20 [ 717.159282][ T29] [ 717.162401][ T29] Sending NMI from CPU 1 to CPUs 0: [ 717.167627][ C0] NMI backtrace for cpu 0 [ 717.167637][ C0] CPU: 0 PID: 1075 Comm: kworker/u4:6 Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 717.167655][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 717.167665][ C0] Workqueue: events_unbound toggle_allocation_gate [ 717.167691][ C0] RIP: 0010:x2apic_send_IPI+0x7a/0xd0 [ 717.167709][ C0] Code: d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 25 8b 13 0f ae f0 0f ae e8 41 83 fe 02 b8 00 04 00 00 41 0f 45 c6 b9 30 08 00 00 0f 30 <66> 90 5b 41 5e 41 5f 5d c3 89 d9 80 e1 07 80 c1 03 38 c1 7c cf 48 [ 717.167722][ C0] RSP: 0018:ffffc900054976f8 EFLAGS: 00000206 [ 717.167736][ C0] RAX: 00000000000000fb RBX: ffff8880b99219e8 RCX: 0000000000000830 [ 717.167747][ C0] RDX: 0000000000000001 RSI: 00000000000000fb RDI: 0000000000000001 [ 717.167757][ C0] RBP: ffffffff8d348948 R08: ffffffff8182f43c R09: 1ffffffff1e0183d [ 717.167768][ C0] R10: dffffc0000000000 R11: fffffbfff1e0183e R12: dffffc0000000000 [ 717.167780][ C0] R13: ffff8880b983d480 R14: 00000000000000fb R15: dffffc0000000000 [ 717.167792][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 717.167806][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.167817][ C0] CR2: 00007f50a7af9580 CR3: 000000000d730000 CR4: 00000000003506f0 [ 717.167831][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 717.167841][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 717.167851][ C0] Call Trace: [ 717.167856][ C0] [ 717.167862][ C0] ? nmi_cpu_backtrace+0x3be/0x4d0 [ 717.167883][ C0] ? read_lock_is_recursive+0x20/0x20 [ 717.167909][ C0] ? nmi_trigger_cpumask_backtrace+0x310/0x310 [ 717.167928][ C0] ? nmi_handle+0x2a/0x570 [ 717.167955][ C0] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 717.167975][ C0] ? nmi_handle+0x14c/0x570 [ 717.167993][ C0] ? nmi_handle+0x2a/0x570 [ 717.168012][ C0] ? x2apic_send_IPI+0x7a/0xd0 [ 717.168027][ C0] ? default_do_nmi+0x63/0x150 [ 717.168047][ C0] ? exc_nmi+0x121/0x210 [ 717.168065][ C0] ? end_repeat_nmi+0xf/0x2a [ 717.168089][ C0] ? smp_call_function_many_cond+0x128c/0x2940 [ 717.168112][ C0] ? x2apic_send_IPI+0x7a/0xd0 [ 717.168127][ C0] ? x2apic_send_IPI+0x7a/0xd0 [ 717.168143][ C0] ? x2apic_send_IPI+0x7a/0xd0 [ 717.168158][ C0] [ 717.168163][ C0] [ 717.168169][ C0] smp_call_function_many_cond+0x1427/0x2940 [ 717.168194][ C0] ? text_poke_sync+0x30/0x30 [ 717.168213][ C0] ? __text_poke+0xd30/0xd30 [ 717.168231][ C0] ? kmem_cache_alloc_bulk+0x1a3/0x6c0 [ 717.168256][ C0] ? smp_call_function_many+0x40/0x40 [ 717.168276][ C0] ? perf_event_bpf_output+0x2f0/0x2f0 [ 717.168318][ C0] ? __mutex_trylock_common+0x182/0x2e0 [ 717.168334][ C0] ? __might_sleep+0xe0/0xe0 [ 717.168356][ C0] ? text_poke_sync+0x30/0x30 [ 717.168373][ C0] on_each_cpu_cond_mask+0x3f/0x80 [ 717.168394][ C0] text_poke_bp_batch+0x726/0xb30 [ 717.168416][ C0] ? kmem_cache_alloc_bulk+0x1a4/0x6c0 [ 717.168437][ C0] ? text_poke_loc_init+0x860/0x860 [ 717.168457][ C0] ? arch_jump_label_transform_queue+0x97/0xf0 [ 717.168483][ C0] text_poke_finish+0x30/0x50 [ 717.168499][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 717.168520][ C0] static_key_disable_cpuslocked+0xce/0x1b0 [ 717.168537][ C0] static_key_disable+0x1a/0x20 [ 717.168552][ C0] toggle_allocation_gate+0x1b8/0x250 [ 717.168574][ C0] ? show_object+0x70/0x70 [ 717.168595][ C0] ? wake_bit_function+0x220/0x220 [ 717.168618][ C0] ? process_scheduled_works+0x825/0x1420 [ 717.168637][ C0] process_scheduled_works+0x90f/0x1420 [ 717.168669][ C0] ? assign_work+0x3d0/0x3d0 [ 717.168691][ C0] ? assign_work+0x364/0x3d0 [ 717.168712][ C0] worker_thread+0xa5f/0x1000 [ 717.168742][ C0] kthread+0x2d3/0x370 [ 717.168757][ C0] ? pr_cont_work+0x5e0/0x5e0 [ 717.168774][ C0] ? kthread_blkcg+0xd0/0xd0 [ 717.168790][ C0] ret_from_fork+0x48/0x80 [ 717.168806][ C0] ? kthread_blkcg+0xd0/0xd0 [ 717.168822][ C0] ret_from_fork_asm+0x11/0x20 [ 717.168849][ C0] [ 717.168855][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.227 msecs [ 717.169625][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 717.579544][ T29] CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc1-syzkaller-00125-g7475e51b8796 #0 [ 717.589338][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 717.599385][ T29] Call Trace: [ 717.602660][ T29] [ 717.605581][ T29] dump_stack_lvl+0x1e7/0x2d0 [ 717.610258][ T29] ? nf_tcp_handle_invalid+0x650/0x650 [ 717.615710][ T29] ? panic+0x850/0x850 [ 717.619781][ T29] ? vscnprintf+0x5d/0x80 [ 717.624104][ T29] panic+0x349/0x850 [ 717.627994][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x310 [ 717.634145][ T29] ? __memcpy_flushcache+0x2b0/0x2b0 [ 717.639427][ T29] ? irq_work_queue+0xca/0x150 [ 717.644210][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 717.650271][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 717.656330][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 717.662394][ T29] ? nmi_trigger_cpumask_backtrace+0x24d/0x310 [ 717.668543][ T29] watchdog+0xfee/0xff0 [ 717.672697][ T29] ? watchdog+0x1e9/0xff0 [ 717.677028][ T29] kthread+0x2d3/0x370 [ 717.681085][ T29] ? hungtask_pm_notify+0x90/0x90 [ 717.686103][ T29] ? kthread_blkcg+0xd0/0xd0 [ 717.690686][ T29] ret_from_fork+0x48/0x80 [ 717.695094][ T29] ? kthread_blkcg+0xd0/0xd0 [ 717.699673][ T29] ret_from_fork_asm+0x11/0x20 [ 717.704440][ T29] [ 717.707536][ T29] Kernel Offset: disabled [ 717.711857][ T29] Rebooting in 86400 seconds..