DUID 00:04:28:24:f9:2e:f8:c2:e4:5f:11:22:51:85:34:e5:7e:64
no interfaces have a carrier
[ 45.724212][ T3918] 8021q: adding VLAN 0 to HW filter on device bond0
[ 45.739360][ T3918] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
syzkaller login: [ 81.464111][ T1191] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.162' (ED25519) to the list of known hosts.
executing program
[ 139.886341][ T4265] loop0: detected capacity change from 0 to 32768
[ 429.622516][ T27] INFO: task kworker/u4:3:46 blocked for more than 143 seconds.
[ 429.630426][ T27] Tainted: G W 6.1.121-syzkaller #0
[ 429.638963][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 429.647997][ T27] task:kworker/u4:3 state:D stack:22368 pid:46 ppid:2 flags:0x00004000
[ 429.657607][ T27] Workqueue: writeback wb_workfn (flush-7:0)
[ 429.663932][ T27] Call Trace:
[ 429.667264][ T27]
[ 429.670216][ T27] __schedule+0x143f/0x4570
[ 429.675181][ T27] ? release_firmware_map_entry+0x186/0x186
[ 429.681103][ T27] ? __mutex_trylock_common+0x8d/0x2e0
[ 429.687058][ T27] ? blk_check_plugged+0x250/0x250
[ 429.692221][ T27] ? wq_worker_sleeping+0x5f/0x270
[ 429.697655][ T27] schedule+0xbf/0x180
[ 429.701754][ T27] schedule_preempt_disabled+0xf/0x20
[ 429.707592][ T27] __mutex_lock+0x6b9/0xd80
[ 429.712163][ T27] ? __mutex_lock+0x53c/0xd80
[ 429.717202][ T27] ? jfs_commit_inode+0x242/0x580
[ 429.722283][ T27] ? mutex_lock_nested+0x10/0x10
[ 429.727734][ T27] jfs_commit_inode+0x242/0x580
[ 429.732838][ T27] ? jfs_iget+0x3b0/0x3b0
[ 429.737203][ T27] ? do_raw_spin_unlock+0x137/0x8a0
[ 429.742970][ T27] jfs_write_inode+0x13f/0x210
[ 429.747772][ T27] __writeback_single_inode+0x67d/0x11e0
[ 429.754079][ T27] writeback_sb_inodes+0xc2b/0x1b20
[ 429.759347][ T27] ? queue_io+0x630/0x630
[ 429.764110][ T27] ? __writeback_inodes_wb+0x400/0x400
[ 429.769698][ T27] __writeback_inodes_wb+0x114/0x400
[ 429.775411][ T27] wb_writeback+0x4b1/0xe10
[ 429.780057][ T27] ? percpu_ref_tryget+0x260/0x260
[ 429.785590][ T27] ? _find_next_bit+0x11b/0x120
[ 429.790489][ T27] wb_workfn+0xc9e/0x1020
[ 429.796113][ T27] ? inode_wait_for_writeback+0x280/0x280
[ 429.802863][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 429.808932][ T27] ? print_irqtrace_events+0x210/0x210
[ 429.814837][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 429.820861][ T27] ? do_raw_spin_unlock+0x137/0x8a0
[ 429.826402][ T27] ? process_one_work+0x7a9/0x11d0
[ 429.831554][ T27] process_one_work+0x8a9/0x11d0
[ 429.836909][ T27] ? worker_detach_from_pool+0x260/0x260
[ 429.842795][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 429.848394][ T27] ? kthread_data+0x4e/0xc0
[ 429.853391][ T27] ? wq_worker_running+0x97/0x190
[ 429.858558][ T27] worker_thread+0xa47/0x1200
[ 429.863821][ T27] ? _raw_spin_unlock+0x40/0x40
[ 429.868732][ T27] kthread+0x28d/0x320
[ 429.873508][ T27] ? worker_clr_flags+0x190/0x190
[ 429.878576][ T27] ? kthread_blkcg+0xd0/0xd0
[ 429.883567][ T27] ret_from_fork+0x1f/0x30
[ 429.888043][ T27]
[ 429.891250][ T27]
[ 429.891250][ T27] Showing all locks held in the system:
[ 429.899497][ T27] 1 lock held by rcu_tasks_kthre/12:
[ 429.905188][ T27] #0: ffffffff8d32b250 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x34/0xde0
[ 429.916019][ T27] 1 lock held by rcu_tasks_trace/13:
[ 429.921431][ T27] #0: ffffffff8d32ba70 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x34/0xde0
[ 429.933008][ T27] 1 lock held by khungtaskd/27:
[ 429.937882][ T27] #0: ffffffff8d32b080 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 429.948119][ T27] 4 locks held by kworker/u4:3/46:
[ 429.953471][ T27] #0: ffff888018c95138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0
[ 429.964419][ T27] #1: ffffc90000b77d20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0
[ 429.976602][ T27] #2: ffff888076c300e0 (&type->s_umount_key#42){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0
[ 429.987001][ T27] #3: ffff888073e9a6c8 (&jfs_ip->commit_mutex){+.+.}-{3:3}, at: jfs_commit_inode+0x242/0x580
[ 429.997989][ T27] 2 locks held by getty/4010:
[ 430.002917][ T27] #0: ffff88814d680098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 430.012951][ T27] #1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0
[ 430.023325][ T27] 4 locks held by syz-executor123/4265:
[ 430.029016][ T27]
[ 430.031355][ T27] =============================================
[ 430.031355][ T27]
[ 430.040343][ T27] NMI backtrace for cpu 0
[ 430.044697][ T27] CPU: 0 PID: 27 Comm: khungtaskd Tainted: G W 6.1.121-syzkaller #0
[ 430.054295][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 430.064380][ T27] Call Trace:
[ 430.067678][ T27]
[ 430.070631][ T27] dump_stack_lvl+0x1e3/0x2cb
[ 430.075354][ T27] ? nf_tcp_handle_invalid+0x642/0x642
[ 430.080857][ T27] ? panic+0x764/0x764
[ 430.084960][ T27] ? vprintk_emit+0x622/0x740
[ 430.089691][ T27] ? printk_sprint+0x490/0x490
[ 430.094497][ T27] ? nmi_cpu_backtrace+0x252/0x560
[ 430.099655][ T27] nmi_cpu_backtrace+0x4e1/0x560
[ 430.104677][ T27] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0
[ 430.110860][ T27] ? _printk+0xd1/0x111
[ 430.115040][ T27] ? panic+0x764/0x764
[ 430.119137][ T27] ? __wake_up_klogd+0xcc/0x100
[ 430.124004][ T27] ? panic+0x764/0x764
[ 430.128094][ T27] ? nmi_trigger_cpumask_backtrace+0xe0/0x3f0
[ 430.134191][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 430.140275][ T27] nmi_trigger_cpumask_backtrace+0x1ae/0x3f0
[ 430.146294][ T27] watchdog+0xf88/0xfd0
[ 430.150485][ T27] ? watchdog+0x1f8/0xfd0
[ 430.154846][ T27] kthread+0x28d/0x320
[ 430.158933][ T27] ? hungtask_pm_notify+0x50/0x50
[ 430.163982][ T27] ? kthread_blkcg+0xd0/0xd0
[ 430.168589][ T27] ret_from_fork+0x1f/0x30
[ 430.173044][ T27]
[ 430.176256][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 430.181504][ C1] NMI backtrace for cpu 1
[ 430.181521][ C1] CPU: 1 PID: 4265 Comm: syz-executor123 Tainted: G W 6.1.121-syzkaller #0
[ 430.181539][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 430.181552][ C1] RIP: 0010:dtSplitRoot+0x8b0/0x1920
[ 430.181578][ C1] Code: d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 05 0f 00 00 44 88 3b 49 0f be df 0f b6 f3 bf ff 00 00 00 e8 54 fa 77 fe 84 db 78 44 eb f7 77 fe 48 c1 e3 05 4c 01 e3 49 89 dc 49 c1 ec 03 43 0f b6
[ 430.181595][ C1] RSP: 0018:ffffc90003d374a0 EFLAGS: 00000206
[ 430.181610][ C1] RAX: 0000000000000000 RBX: 0000000000000006 RCX: ffff888030df3b80
[ 430.181621][ C1] RDX: ffff888030df3b80 RSI: 0000000000000006 RDI: 00000000000000ff
[ 430.181632][ C1] RBP: ffffc90003d37690 R08: ffffffff8312a47c R09: ffffed1003d4fa24
[ 430.181645][ C1] R10: 0000000000000004 R11: dffffc0000000001 R12: ffff88801ea7d000
[ 430.181656][ C1] R13: dffffc0000000000 R14: ffff888073e9a930 R15: 0000000000000006
[ 430.181668][ C1] FS: 0000555576366380(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 430.181682][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 430.181694][ C1] CR2: 0000563f0c945de8 CR3: 000000007cfd1000 CR4: 00000000003506e0
[ 430.181708][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 430.181717][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 430.181727][ C1] Call Trace:
[ 430.181733][ C1]
[ 430.181739][ C1] ? nmi_cpu_backtrace+0x3de/0x560
[ 430.181765][ C1] ? read_lock_is_recursive+0x10/0x10
[ 430.181792][ C1] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0
[ 430.181818][ C1] ? nmi_handle+0x25/0x440
[ 430.181851][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 430.181866][ C1] ? nmi_handle+0x12e/0x440
[ 430.181891][ C1] ? nmi_handle+0x25/0x440
[ 430.181916][ C1] ? dtSplitRoot+0x8b0/0x1920
[ 430.181937][ C1] ? default_do_nmi+0x62/0x150
[ 430.181953][ C1] ? exc_nmi+0xa8/0x100
[ 430.181968][ C1] ? end_repeat_nmi+0x16/0x31
[ 430.181985][ C1] ? dtSplitRoot+0x8ac/0x1920
[ 430.182008][ C1] ? dtSplitRoot+0x8b0/0x1920
[ 430.182029][ C1] ? dtSplitRoot+0x8b0/0x1920
[ 430.182051][ C1] ? dtSplitRoot+0x8b0/0x1920
[ 430.182072][ C1]
[ 430.182076][ C1]
[ 430.182094][ C1] ? dtModify+0x5c0/0x5c0
[ 430.182115][ C1] ? dbNextAG+0x630/0x630
[ 430.182140][ C1] dtInsert+0x12c9/0x6c00
[ 430.182178][ C1] ? UniStrupr+0x2c0/0x2c0
[ 430.182201][ C1] ? txLock+0x2b1/0x21a0
[ 430.182223][ C1] ? print_irqtrace_events+0x210/0x210
[ 430.182255][ C1] ? __lock_acquire+0x1f80/0x1f80
[ 430.182278][ C1] ? do_raw_spin_lock+0x14a/0x370
[ 430.182299][ C1] ? do_raw_spin_unlock+0x137/0x8a0
[ 430.182335][ C1] ? dtInitRoot+0x230/0x690
[ 430.182362][ C1] jfs_mkdir+0x7f3/0xbb0
[ 430.182385][ C1] ? jfs_symlink+0x10e0/0x10e0
[ 430.182414][ C1] ? make_kgid+0x6f0/0x6f0
[ 430.182436][ C1] ? apparmor_path_mkdir+0x204/0x2a0
[ 430.182454][ C1] ? generic_permission+0x21c/0x4f0
[ 430.182476][ C1] ? inode_permission+0xf7/0x450
[ 430.182504][ C1] ? bpf_lsm_inode_mkdir+0x5/0x10
[ 430.182521][ C1] ? security_inode_mkdir+0xb4/0x100
[ 430.182548][ C1] vfs_mkdir+0x3b6/0x590
[ 430.182573][ C1] do_mkdirat+0x225/0x360
[ 430.182596][ C1] ? vfs_mkdir+0x590/0x590
[ 430.182618][ C1] ? getname_flags+0x1f9/0x4f0
[ 430.182636][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 430.182656][ C1] __x64_sys_mkdir+0x6a/0x80
[ 430.182677][ C1] do_syscall_64+0x3b/0xb0
[ 430.182701][ C1] ? clear_bhb_loop+0x45/0xa0
[ 430.182716][ C1] entry_SYSCALL_64_after_hwframe+0x68/0xd2
[ 430.182740][ C1] RIP: 0033:0x7f636636cad7
[ 430.182759][ C1] Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 430.182772][ C1] RSP: 002b:00007fffd6379858 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 430.182788][ C1] RAX: ffffffffffffffda RBX: 0000000020000500 RCX: 00007f636636cad7
[ 430.182800][ C1] RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000000020000500
[ 430.182810][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 430.182820][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffd63798f0
[ 430.182830][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 430.182847][ C1]
[ 430.182854][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.349 msecs
[ 430.619451][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 430.626336][ T27] CPU: 0 PID: 27 Comm: khungtaskd Tainted: G W 6.1.121-syzkaller #0
[ 430.635722][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 430.645789][ T27] Call Trace:
[ 430.649077][ T27]
[ 430.652016][ T27] dump_stack_lvl+0x1e3/0x2cb
[ 430.656727][ T27] ? nf_tcp_handle_invalid+0x642/0x642
[ 430.662211][ T27] ? panic+0x764/0x764
[ 430.666297][ T27] ? llist_add_batch+0x160/0x1d0
[ 430.671265][ T27] ? vscnprintf+0x59/0x80
[ 430.675618][ T27] panic+0x318/0x764
[ 430.679531][ T27] ? nmi_trigger_cpumask_backtrace+0x2bf/0x3f0
[ 430.685711][ T27] ? memcpy_page_flushcache+0xfc/0xfc
[ 430.691124][ T27] ? nmi_trigger_cpumask_backtrace+0x2bf/0x3f0
[ 430.697317][ T27] ? nmi_trigger_cpumask_backtrace+0x338/0x3f0
[ 430.703522][ T27] ? nmi_trigger_cpumask_backtrace+0x33d/0x3f0
[ 430.709720][ T27] watchdog+0xfc7/0xfd0
[ 430.713917][ T27] ? watchdog+0x1f8/0xfd0
[ 430.718302][ T27] kthread+0x28d/0x320
[ 430.722395][ T27] ? hungtask_pm_notify+0x50/0x50
[ 430.727470][ T27] ? kthread_blkcg+0xd0/0xd0
[ 430.732082][ T27] ret_from_fork+0x1f/0x30
[ 430.736553][ T27]
[ 430.739957][ T27] Kernel Offset: disabled
[ 430.744291][ T27] Rebooting in 86400 seconds..