Warning: Permanently added '10.128.1.151' (ED25519) to the list of known hosts. [ 425.929922][ T92] block nbd0: Possible stuck request ffff88801f6e8800: control (read@0,4096B). Runtime 360 seconds [ 429.129699][ T28] INFO: task udevd:5098 blocked for more than 143 seconds. [ 429.137374][ T28] Not tainted 6.5.0-rc2-syzkaller-g74f1456c4a5f #0 [ 429.144474][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.153183][ T28] task:udevd state:D stack:26528 pid:5098 ppid:4475 flags:0x00004006 [ 429.162418][ T28] Call Trace: [ 429.165698][ T28] [ 429.168624][ T28] __schedule+0xee1/0x59f0 [ 429.173085][ T28] ? mark_lock+0x105/0x1950 [ 429.177597][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 429.183632][ T28] ? io_schedule_timeout+0x150/0x150 [ 429.188924][ T28] ? find_held_lock+0x2d/0x110 [ 429.193713][ T28] ? reacquire_held_locks+0x4b0/0x4b0 [ 429.199103][ T28] schedule+0xe7/0x1b0 [ 429.203306][ T28] io_schedule+0xbe/0x130 [ 429.207679][ T28] folio_wait_bit_common+0x3d0/0x9a0 [ 429.213253][ T28] ? filemap_cachestat+0x970/0x970 [ 429.218405][ T28] ? folio_unlock+0xd0/0xd0 [ 429.222965][ T28] ? find_get_entries+0xbd0/0xbd0 [ 429.227994][ T28] ? preempt_count_sub+0x150/0x150 [ 429.233151][ T28] __filemap_get_folio+0x788/0x990 [ 429.238359][ T28] truncate_inode_pages_range+0x3a0/0xfb0 [ 429.244126][ T28] ? lock_acquire+0x1ae/0x510 [ 429.248808][ T28] ? truncate_inode_partial_folio+0x760/0x760 [ 429.254916][ T28] ? __brelse+0xa0/0xa0 [ 429.259079][ T28] ? generic_remap_file_range_prep+0x50/0x50 [ 429.265100][ T28] blkdev_flush_mapping+0x156/0x320 [ 429.270316][ T28] ? filemap_check_errors+0xa9/0x150 [ 429.275588][ T28] blkdev_put_whole+0xb9/0xe0 [ 429.280325][ T28] blkdev_put+0x40f/0x8e0 [ 429.284743][ T28] ? preempt_count_sub+0x150/0x150 [ 429.289940][ T28] ? blkdev_fsync+0xd0/0xd0 [ 429.294554][ T28] blkdev_release+0x82/0xa0 [ 429.299065][ T28] __fput+0x3fd/0xac0 [ 429.303176][ T28] task_work_run+0x14d/0x240 [ 429.307776][ T28] ? task_work_cancel+0x30/0x30 [ 429.312650][ T28] ? do_raw_spin_unlock+0x173/0x230 [ 429.317859][ T28] do_exit+0xa99/0x2a20 [ 429.322062][ T28] ? get_signal+0x93b/0x2770 [ 429.326711][ T28] ? mm_update_next_owner+0x7d0/0x7d0 [ 429.332156][ T28] ? do_raw_spin_lock+0x12e/0x2b0 [ 429.337203][ T28] ? spin_bug+0x1d0/0x1d0 [ 429.341615][ T28] do_group_exit+0xd4/0x2a0 [ 429.346134][ T28] get_signal+0x23ea/0x2770 [ 429.350667][ T28] ? kmem_cache_free+0xf0/0x490 [ 429.355616][ T28] ? exit_signals+0x920/0x920 [ 429.360328][ T28] ? putname+0x101/0x140 [ 429.364626][ T28] ? do_sys_openat2+0xb1/0x1e0 [ 429.369379][ T28] arch_do_signal_or_restart+0x89/0x5f0 [ 429.375125][ T28] ? get_sigframe_size+0x10/0x10 [ 429.380202][ T28] ? __ia32_sys_open+0x1e0/0x1e0 [ 429.385155][ T28] exit_to_user_mode_prepare+0x11f/0x240 [ 429.390837][ T28] syscall_exit_to_user_mode+0x1d/0x50 [ 429.396307][ T28] do_syscall_64+0x44/0xb0 [ 429.400758][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 429.406683][ T28] RIP: 0033:0x7f83bdd169a4 [ 429.411137][ T28] RSP: 002b:00007fff1972f390 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 429.419700][ T28] RAX: 0000000000000008 RBX: 0000560267205d00 RCX: 00007f83bdd169a4 [ 429.427689][ T28] RDX: 00000000000a0800 RSI: 00005602671e57c0 RDI: 00000000ffffff9c [ 429.436261][ T28] RBP: 00005602671e57c0 R08: 0000000000000001 R09: 0000000000000001 [ 429.444369][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 429.452511][ T28] R13: 00005602671f5ae0 R14: 0000000000000001 R15: 00005602671e4910 [ 429.460660][ T28] [ 429.463725][ T28] INFO: task syz-executor.0:5164 blocked for more than 143 seconds. [ 429.471747][ T28] Not tainted 6.5.0-rc2-syzkaller-g74f1456c4a5f #0 [ 429.478767][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.487490][ T28] task:syz-executor.0 state:D stack:28000 pid:5164 ppid:5143 flags:0x00000006 [ 429.496725][ T28] Call Trace: [ 429.500042][ T28] [ 429.502971][ T28] __schedule+0xee1/0x59f0 [ 429.507375][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 429.513376][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 429.519368][ T28] ? __lock_acquire+0x182f/0x5de0 [ 429.524434][ T28] ? io_schedule_timeout+0x150/0x150 [ 429.529758][ T28] ? __mutex_lock+0x962/0x1340 [ 429.534543][ T28] schedule+0xe7/0x1b0 [ 429.538607][ T28] schedule_preempt_disabled+0x13/0x20 [ 429.544194][ T28] __mutex_lock+0x967/0x1340 [ 429.548808][ T28] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 429.554553][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 429.560155][ T28] ? _atomic_dec_and_lock+0xa2/0x120 [ 429.565438][ T28] ? iput.part.0+0x78/0x7a0 [ 429.569966][ T28] ? blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 429.575773][ T28] blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 429.581485][ T28] ? devcgroup_check_permission+0x1a2/0x490 [ 429.587493][ T28] blkdev_get_by_dev+0x75/0x80 [ 429.592311][ T28] blkdev_open+0x112/0x380 [ 429.596734][ T28] do_dentry_open+0x88b/0x1780 [ 429.601619][ T28] ? blkdev_fallocate+0x3e0/0x3e0 [ 429.606653][ T28] path_openat+0x19af/0x29c0 [ 429.611371][ T28] ? path_lookupat+0x770/0x770 [ 429.616232][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 429.622390][ T28] do_filp_open+0x1de/0x430 [ 429.626912][ T28] ? may_open_dev+0xf0/0xf0 [ 429.631489][ T28] ? _raw_spin_unlock+0x28/0x40 [ 429.636349][ T28] ? alloc_fd+0x2da/0x6c0 [ 429.640839][ T28] do_sys_openat2+0x176/0x1e0 [ 429.645559][ T28] ? build_open_flags+0x690/0x690 [ 429.650840][ T28] ? do_user_addr_fault+0x384/0xfc0 [ 429.656074][ T28] ? reacquire_held_locks+0x4b0/0x4b0 [ 429.661527][ T28] __x64_sys_openat+0x175/0x210 [ 429.666383][ T28] ? __ia32_sys_open+0x1e0/0x1e0 [ 429.671343][ T28] ? syscall_enter_from_user_mode+0x26/0x80 [ 429.677241][ T28] do_syscall_64+0x38/0xb0 [ 429.681722][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 429.687643][ T28] RIP: 0033:0x454000 [ 429.691574][ T28] RSP: 002b:00007fd3989f9c10 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 [ 429.700061][ T28] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000454000 [ 429.708062][ T28] RDX: 0000000000000000 RSI: 00007fd3989f9cb0 RDI: 00000000ffffff9c [ 429.716185][ T28] RBP: 00007fd3989f9cb0 R08: 0000000000000000 R09: 002364626e2f7665 [ 429.724240][ T28] R10: 0000000000000000 R11: 0000000000000293 R12: 000000000049f8fd [ 429.732242][ T28] R13: 000000000000000b R14: 000000000054cf00 R15: 00007ffcd17cb8b8 [ 429.740317][ T28] [ 429.743342][ T28] [ 429.743342][ T28] Showing all locks held in the system: [ 429.751314][ T28] 1 lock held by rcu_tasks_kthre/13: [ 429.756630][ T28] #0: ffffffff8c9a5830 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 [ 429.767258][ T28] 1 lock held by rcu_tasks_trace/14: [ 429.772658][ T28] #0: ffffffff8c9a5530 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20 [ 429.783737][ T28] 1 lock held by khungtaskd/28: [ 429.788675][ T28] #0: ffffffff8c9a6440 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 [ 429.798773][ T28] 2 locks held by getty/4774: [ 429.803543][ T28] #0: ffff88802b0f0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 [ 429.813392][ T28] #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480 [ 429.823713][ T28] 1 lock held by udevd/5098: [ 429.828383][ T28] #0: ffff8881413924c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xb0/0x8e0 [ 429.837754][ T28] 1 lock held by syz-executor.0/5164: [ 429.843378][ T28] #0: ffff8881413924c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 429.854528][ T28] 1 lock held by syz-executor231/5179: [ 429.860041][ T28] #0: ffff8881413924c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20 [ 429.870726][ T28] [ 429.873046][ T28] ============================================= [ 429.873046][ T28] [ 429.881613][ T28] NMI backtrace for cpu 0 [ 429.885932][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc2-syzkaller-g74f1456c4a5f #0 [ 429.895191][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 429.905246][ T28] Call Trace: [ 429.908503][ T28] [ 429.911418][ T28] dump_stack_lvl+0xd9/0x1b0 [ 429.915988][ T28] nmi_cpu_backtrace+0x277/0x380 [ 429.920912][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 429.926093][ T28] nmi_trigger_cpumask_backtrace+0x2ac/0x310 [ 429.932073][ T28] watchdog+0xf29/0x11b0 [ 429.936301][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 429.942267][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 429.948230][ T28] kthread+0x33a/0x430 [ 429.952279][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 429.957918][ T28] ret_from_fork+0x2c/0x70 [ 429.962329][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 429.967938][ T28] ret_from_fork_asm+0x11/0x20 [ 429.972690][ T28] RIP: 0000:0x0 [ 429.976131][ T28] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 429.983470][ T28] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 429.991868][ T28] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 429.999830][ T28] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 430.007786][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 430.015747][ T28] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.023704][ T28] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 430.031673][ T28] [ 430.034830][ T28] Sending NMI from CPU 0 to CPUs 1: [ 430.040114][ C1] NMI backtrace for cpu 1 [ 430.040121][ C1] CPU: 1 PID: 37 Comm: kworker/u4:2 Not tainted 6.5.0-rc2-syzkaller-g74f1456c4a5f #0 [ 430.040135][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 430.040143][ C1] Workqueue: bat_events batadv_nc_worker [ 430.040161][ C1] RIP: 0010:check_preemption_disabled+0x3/0xe0 [ 430.040182][ C1] Code: 04 85 c0 74 18 65 8b 05 ab 7b d0 75 85 c0 75 0d 65 8b 05 bc 78 d0 75 85 c0 74 02 0f 0b e9 85 fc ff ff 0f 1f 44 00 00 41 54 55 <53> 48 83 ec 08 65 8b 1d 8d ab d1 75 65 8b 05 82 ab d1 75 a9 ff ff [ 430.040194][ C1] RSP: 0018:ffffc90000ae7ad8 EFLAGS: 00000046 [ 430.040203][ C1] RAX: 0000000000000002 RBX: 2fce1fe13c2d42eb RCX: ffffc90000ae7b40 [ 430.040211][ C1] RDX: 1ffff11002659157 RSI: ffffffff8a6c7a20 RDI: ffffffff8ac806e0 [ 430.040219][ C1] RBP: 1ffff9200015cf60 R08: 0000000000000000 R09: fffffbfff1d5706a [ 430.040227][ C1] R10: ffffffff8eab8357 R11: 0000000000000000 R12: 0000000000000002 [ 430.040234][ C1] R13: 0000000000000003 R14: ffff8880132c8ac0 R15: ffff8880132c8000 [ 430.040244][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 430.040257][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.040266][ C1] CR2: 000055e649245028 CR3: 000000000c776000 CR4: 0000000000350ee0 [ 430.040274][ C1] Call Trace: [ 430.040277][ C1] [ 430.040281][ C1] ? nmi_cpu_backtrace+0x1d4/0x380 [ 430.040302][ C1] ? check_preemption_disabled+0x3/0xe0 [ 430.040319][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10 [ 430.040338][ C1] ? nmi_handle+0x145/0x400 [ 430.040353][ C1] ? irqentry_nmi_enter+0x7f/0x90 [ 430.040368][ C1] ? check_preemption_disabled+0x3/0xe0 [ 430.040385][ C1] ? default_do_nmi+0x69/0x160 [ 430.040398][ C1] ? exc_nmi+0x171/0x1e0 [ 430.040410][ C1] ? end_repeat_nmi+0x16/0x31 [ 430.040426][ C1] ? check_preemption_disabled+0x3/0xe0 [ 430.040442][ C1] ? check_preemption_disabled+0x3/0xe0 [ 430.040459][ C1] ? check_preemption_disabled+0x3/0xe0 [ 430.040476][ C1] [ 430.040479][ C1] [ 430.040482][ C1] lock_release+0x382/0x680 [ 430.040499][ C1] ? batadv_nc_worker+0x8da/0x10f0 [ 430.040512][ C1] ? reacquire_held_locks+0x4b0/0x4b0 [ 430.040528][ C1] ? debug_object_deactivate+0x28b/0x320 [ 430.040545][ C1] batadv_nc_worker+0x8ff/0x10f0 [ 430.040561][ C1] ? batadv_nc_process_nc_paths.part.0+0x3f0/0x3f0 [ 430.040575][ C1] ? reacquire_held_locks+0x4b0/0x4b0 [ 430.040592][ C1] ? spin_bug+0x1d0/0x1d0 [ 430.040611][ C1] process_one_work+0xaa2/0x16f0 [ 430.040628][ C1] ? lock_sync+0x190/0x190 [ 430.040643][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 430.040659][ C1] ? spin_bug+0x1d0/0x1d0 [ 430.040677][ C1] worker_thread+0x687/0x1110 [ 430.040694][ C1] ? process_one_work+0x16f0/0x16f0 [ 430.040709][ C1] kthread+0x33a/0x430 [ 430.040721][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 430.040735][ C1] ret_from_fork+0x2c/0x70 [ 430.040749][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 430.040762][ C1] ret_from_fork_asm+0x11/0x20 [ 430.040779][ C1] RIP: 0000:0x0 [ 430.040795][ C1] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 430.040800][ C1] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 430.040811][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 430.040818][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 430.040825][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 430.040832][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.040840][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 430.040850][ C1] [ 430.041143][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 430.402522][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc2-syzkaller-g74f1456c4a5f #0 [ 430.411794][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 430.421837][ T28] Call Trace: [ 430.425126][ T28] [ 430.428061][ T28] dump_stack_lvl+0xd9/0x1b0 [ 430.432647][ T28] panic+0x6a4/0x750 [ 430.436554][ T28] ? panic_smp_self_stop+0xa0/0xa0 [ 430.441669][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 430.446865][ T28] ? preempt_schedule_thunk+0x1a/0x30 [ 430.452236][ T28] ? watchdog+0xce1/0x11b0 [ 430.456650][ T28] watchdog+0xcf2/0x11b0 [ 430.460892][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 430.466872][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90 [ 430.472849][ T28] kthread+0x33a/0x430 [ 430.476913][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 430.482537][ T28] ret_from_fork+0x2c/0x70 [ 430.486943][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 430.492585][ T28] ret_from_fork_asm+0x11/0x20 [ 430.497342][ T28] RIP: 0000:0x0 [ 430.500795][ T28] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 430.508147][ T28] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 [ 430.516547][ T28] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 430.524505][ T28] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 430.532462][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 430.540423][ T28] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.548386][ T28] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 430.556354][ T28] [ 430.560311][ T28] Kernel Offset: disabled [ 430.564621][ T28] Rebooting in 86400 seconds..