DUID 00:04:fb:87:82:62:74:5a:87:37:86:23:e7:72:30:e3:bc:00 forked to background, child pid 3172 [ 27.423147][ T3173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.441674][ T3173] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.329762][ T140] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.218' (ECDSA) to the list of known hosts. executing program executing program [ 488.392260][ T3624] loop0: detected capacity change from 0 to 16383 [ 488.407118][ T3624] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended [ 488.420436][ T3624] EXT4-fs (loop0): can't mount with journal_checksum, fs mounted w/o journal executing program [ 488.473708][ T3627] loop0: detected capacity change from 0 to 16383 [ 488.482073][ T3627] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended [ 488.498816][ T3627] EXT4-fs (loop0): can't mount with journal_checksum, fs mounted w/o journal executing program [ 488.567696][ T3632] loop0: detected capacity change from 0 to 16383 [ 488.580112][ T3632] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended [ 488.598788][ T3632] EXT4-fs (loop0): can't mount with journal_checksum, fs mounted w/o journal executing program executing program [ 488.655905][ T3635] loop0: detected capacity change from 0 to 16383 [ 488.666028][ T3635] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended [ 488.678794][ T3635] EXT4-fs (loop0): can't mount with journal_checksum, fs mounted w/o journal executing program executing program [ 488.748480][ T3638] loop0: detected capacity change from 0 to 16383 [ 488.757016][ T3638] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended [ 488.768734][ T3638] EXT4-fs (loop0): can't mount with journal_checksum, fs mounted w/o journal executing program executing program executing program [ 488.825281][ T3640] loop0: detected capacity change from 0 to 16383 [ 488.833621][ T3640] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended [ 488.848770][ T3640] EXT4-fs (loop0): can't mount with journal_checksum, fs mounted w/o journal executing program [ 488.913336][ T3645] loop0: detected capacity change from 0 to 16383 [ 488.921714][ T3645] EXT4-fs (loop0): feature flags set on rev 0 fs, running e2fsck is recommended [ 488.938777][ T3645] EXT4-fs (loop0): can't mount with journal_checksum, fs mounted w/o journal [ 716.328158][ T26] INFO: task syz-executor105:3645 blocked for more than 143 seconds. [ 716.336462][ T26] Not tainted 5.17.0-rc5-syzkaller-00011-g5c1ee569660d #0 [ 716.344371][ T26] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.353222][ T26] task:syz-executor105 state:D stack:24752 pid: 3645 ppid: 3623 flags:0x00004004 [ 716.362704][ T26] Call Trace: [ 716.366085][ T26] [ 716.369386][ T26] __schedule+0x926/0x1080 [ 716.373927][ T26] ? release_firmware_map_entry+0x184/0x184 [ 716.380089][ T26] schedule+0x12b/0x1f0 [ 716.384259][ T26] schedule_timeout+0xac/0x300 [ 716.389265][ T26] ? console_conditional_schedule+0x40/0x40 [ 716.395173][ T26] ? lockdep_hardirqs_on_prepare+0x412/0x780 [ 716.401642][ T26] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.406868][ T26] ? lockdep_hardirqs_on+0x95/0x140 [ 716.412333][ T26] do_wait_for_common+0x2da/0x480 [ 716.417377][ T26] ? console_conditional_schedule+0x40/0x40 [ 716.423473][ T26] ? wait_for_completion_killable_timeout+0x60/0x60 [ 716.430224][ T26] ? _raw_spin_lock_irq+0xdb/0x110 [ 716.435452][ T26] ? del_timer_sync+0x136/0x2f0 [ 716.440618][ T26] ? task_call_func+0x340/0x340 [ 716.445519][ T26] wait_for_completion+0x46/0x60 [ 716.450664][ T26] kthread_stop+0xf8/0x200 [ 716.455134][ T26] ext4_stop_mmpd+0x43/0xb0 [ 716.460013][ T26] __ext4_fill_super+0x9b13/0xf6f0 [ 716.465286][ T26] ? __stack_depot_save+0x33/0x4a0 [ 716.470758][ T26] ? ext4_fill_super+0x6f0/0x6f0 [ 716.475859][ T26] ? kmem_cache_alloc_trace+0x9d/0x330 [ 716.481755][ T26] ? ext4_fill_super+0x117/0x6f0 [ 716.486725][ T26] ext4_fill_super+0x30d/0x6f0 [ 716.491750][ T26] get_tree_bdev+0x406/0x630 [ 716.496425][ T26] ? note_qf_name+0x250/0x250 [ 716.501427][ T26] vfs_get_tree+0x86/0x270 [ 716.505875][ T26] path_mount+0x1986/0x2c30 [ 716.510762][ T26] ? slab_free_freelist_hook+0x12e/0x1a0 [ 716.516486][ T26] ? mark_mounts_for_expiry+0x520/0x520 [ 716.522247][ T26] ? user_path_at_empty+0x149/0x1a0 [ 716.527447][ T26] ? kmem_cache_free+0xb6/0x1c0 [ 716.532482][ T26] ? user_path_at_empty+0x149/0x1a0 [ 716.537711][ T26] __se_sys_mount+0x308/0x3c0 [ 716.542737][ T26] ? vtime_user_exit+0x2b2/0x3e0 [ 716.547738][ T26] ? __x64_sys_mount+0xc0/0xc0 [ 716.552705][ T26] ? lockdep_hardirqs_on+0x95/0x140 [ 716.557976][ T26] ? __x64_sys_mount+0x1c/0xc0 [ 716.562748][ T26] do_syscall_64+0x44/0xd0 [ 716.567157][ T26] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.573110][ T26] RIP: 0033:0x7f08c9d7ecca [ 716.577526][ T26] RSP: 002b:00007fff28ebf458 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 716.586316][ T26] RAX: ffffffffffffffda RBX: 00007fff28ebf4b0 RCX: 00007f08c9d7ecca [ 716.594561][ T26] RDX: 0000000020000000 RSI: 00000000200000c0 RDI: 00007fff28ebf470 [ 716.602778][ T26] RBP: 00007fff28ebf470 R08: 00007fff28ebf4b0 R09: 0000000000000000 [ 716.610967][ T26] R10: 0000000000000000 R11: 0000000000000202 R12: 00000000200003f8 [ 716.619511][ T26] R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000005 [ 716.627497][ T26] [ 716.630914][ T26] [ 716.630914][ T26] Showing all locks held in the system: [ 716.638894][ T26] 1 lock held by khungtaskd/26: [ 716.643731][ T26] #0: ffffffff8cb1d460 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 716.653412][ T26] 2 locks held by getty/3273: [ 716.658441][ T26] #0: ffff88814ad39098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 716.668464][ T26] #1: ffffc90002b732e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c5/0x1c60 [ 716.678769][ T26] 1 lock held by syz-executor105/3645: [ 716.684218][ T26] #0: ffff88807e7c00e0 (&type->s_umount_key#27/1){+.+.}-{3:3}, at: alloc_super+0x1c8/0x820 [ 716.694571][ T26] [ 716.696888][ T26] ============================================= [ 716.696888][ T26] [ 716.705444][ T26] NMI backtrace for cpu 0 [ 716.709802][ T26] CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.17.0-rc5-syzkaller-00011-g5c1ee569660d #0 [ 716.719681][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.729736][ T26] Call Trace: [ 716.733007][ T26] [ 716.735948][ T26] dump_stack_lvl+0x1dc/0x2d8 [ 716.740621][ T26] ? show_regs_print_info+0x12/0x12 [ 716.745814][ T26] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 716.751565][ T26] nmi_cpu_backtrace+0x45f/0x490 [ 716.756499][ T26] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 716.762650][ T26] ? wake_up_klogd+0xb2/0xf0 [ 716.767325][ T26] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 716.773054][ T26] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 716.779197][ T26] nmi_trigger_cpumask_backtrace+0x16a/0x280 [ 716.785178][ T26] watchdog+0xc82/0xcd0 [ 716.789376][ T26] kthread+0x2a3/0x2d0 [ 716.793434][ T26] ? hungtask_pm_notify+0x50/0x50 [ 716.798446][ T26] ? kthread_blkcg+0xd0/0xd0 [ 716.803027][ T26] ret_from_fork+0x1f/0x30 [ 716.807488][ T26] [ 716.810655][ T26] Sending NMI from CPU 0 to CPUs 1: [ 716.815864][ C1] NMI backtrace for cpu 1 [ 716.815874][ C1] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.17.0-rc5-syzkaller-00011-g5c1ee569660d #0 [ 716.815889][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.815897][ C1] Workqueue: events_unbound toggle_allocation_gate [ 716.815917][ C1] RIP: 0010:__lock_acquire+0x69b/0x2b00 [ 716.815934][ C1] Code: 44 c8 89 4c 24 54 48 8b 44 24 48 8a 04 30 84 c0 0f 85 a6 1b 00 00 41 8b 1f 66 0f 1f 44 00 00 41 89 dd ff cb 0f 88 bd 00 00 00 <41> 89 de 83 fb 31 0f 83 8e 00 00 00 4b 8d 04 b6 4c 8d b4 c7 80 0a [ 716.815946][ C1] RSP: 0018:ffffc90000cd7500 EFLAGS: 00000046 [ 716.815957][ C1] RAX: ffff88801163e1f8 RBX: 0000000000000000 RCX: 0000000000000002 [ 716.815966][ C1] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: ffff88801163d700 [ 716.815976][ C1] RBP: ffffc90000cd7650 R08: dffffc0000000000 R09: fffffbfff1ffb7c5 [ 716.815986][ C1] R10: fffffbfff1ffb7c5 R11: 0000000000000000 R12: 000000000000000f [ 716.815994][ C1] R13: 0000000000000001 R14: 00000000000800b0 R15: ffff88801163e158 [ 716.816003][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 716.816015][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.816026][ C1] CR2: 00007ffea2c45028 CR3: 000000000c88e000 CR4: 00000000003506e0 [ 716.816038][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 716.816046][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 716.816055][ C1] Call Trace: [ 716.816059][ C1] [ 716.816075][ C1] ? trace_lock_acquire+0x190/0x190 [ 716.816090][ C1] ? __lock_acquire+0x1382/0x2b00 [ 716.816106][ C1] lock_acquire+0x19f/0x4d0 [ 716.816120][ C1] ? debug_object_activate+0x97/0x6a0 [ 716.816191][ C1] ? read_lock_is_recursive+0x10/0x10 [ 716.816205][ C1] ? rcu_read_lock_sched_held+0x89/0x130 [ 716.816257][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 716.816278][ C1] _raw_spin_lock_irqsave+0xd1/0x120 [ 716.816295][ C1] ? debug_object_activate+0x97/0x6a0 [ 716.816310][ C1] ? _raw_spin_lock+0x40/0x40 [ 716.816325][ C1] ? do_raw_spin_lock+0x151/0x8e0 [ 716.816342][ C1] debug_object_activate+0x97/0x6a0 [ 716.816357][ C1] ? do_raw_spin_unlock+0x134/0x8a0 [ 716.816375][ C1] __mod_timer+0x824/0xd20 [ 716.816389][ C1] ? text_poke_sync+0x20/0x20 [ 716.816426][ C1] ? mod_timer_pending+0x20/0x20 [ 716.816444][ C1] ? lockdep_hardirqs_off+0x71/0x100 [ 716.816458][ C1] ? __queue_delayed_work+0x16a/0x200 [ 716.816487][ C1] queue_delayed_work_on+0x135/0x230 [ 716.816502][ C1] ? delayed_work_timer_fn+0x80/0x80 [ 716.816515][ C1] ? rcu_read_lock_any_held+0xb3/0x150 [ 716.816529][ C1] ? rcu_read_lock_bh_held+0x110/0x110 [ 716.816547][ C1] toggle_allocation_gate+0x40f/0x460 [ 716.816562][ C1] ? show_object+0xa0/0xa0 [ 716.816575][ C1] ? init_wait_entry+0xd0/0xd0 [ 716.816603][ C1] ? rcu_read_lock_sched_held+0x89/0x130 [ 716.816618][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 716.816632][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 716.816649][ C1] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.816666][ C1] process_one_work+0x86c/0x1190 [ 716.816687][ C1] ? worker_detach_from_pool+0x260/0x260 [ 716.816704][ C1] ? _raw_spin_lock_irqsave+0x120/0x120 [ 716.816719][ C1] ? kthread_data+0x4d/0xc0 [ 716.816733][ C1] ? wq_worker_running+0x95/0x170 [ 716.816747][ C1] worker_thread+0xab1/0x1300 [ 716.816770][ C1] kthread+0x2a3/0x2d0 [ 716.816783][ C1] ? rcu_lock_release+0x20/0x20 [ 716.816796][ C1] ? kthread_blkcg+0xd0/0xd0 [ 716.816809][ C1] ret_from_fork+0x1f/0x30 [ 716.816829][ C1] [ 716.816908][ T26] Kernel panic - not syncing: hung_task: blocked tasks [ 717.172787][ T26] CPU: 1 PID: 26 Comm: khungtaskd Not tainted 5.17.0-rc5-syzkaller-00011-g5c1ee569660d #0 [ 717.182657][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.192713][ T26] Call Trace: [ 717.195979][ T26] [ 717.198899][ T26] dump_stack_lvl+0x1dc/0x2d8 [ 717.203664][ T26] ? show_regs_print_info+0x12/0x12 [ 717.208847][ T26] ? log_buf_vmcoreinfo_setup+0x498/0x498 [ 717.214558][ T26] panic+0x2d6/0x810 [ 717.218508][ T26] ? schedule_preempt_disabled+0x20/0x20 [ 717.224129][ T26] ? nmi_trigger_cpumask_backtrace+0x206/0x280 [ 717.230293][ T26] ? nmi_panic+0x90/0x90 [ 717.234558][ T26] ? preempt_schedule_thunk+0x16/0x18 [ 717.239939][ T26] ? nmi_trigger_cpumask_backtrace+0x206/0x280 [ 717.246086][ T26] ? nmi_trigger_cpumask_backtrace+0x266/0x280 [ 717.252240][ T26] watchdog+0xcc2/0xcd0 [ 717.256411][ T26] kthread+0x2a3/0x2d0 [ 717.260492][ T26] ? hungtask_pm_notify+0x50/0x50 [ 717.265506][ T26] ? kthread_blkcg+0xd0/0xd0 [ 717.270095][ T26] ret_from_fork+0x1f/0x30 [ 717.274546][ T26] [ 717.277860][ T26] Kernel Offset: disabled [ 717.282183][ T26] Rebooting in 86400 seconds..