DUID 00:04:70:54:fc:d0:2a:32:b7:62:cf:21:72:23:c9:95:e9:3f forked to background, child pid 3239 [ 22.585741][ T3240] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.596485][ T3240] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 71.173704][ T13] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.132' (ED25519) to the list of known hosts. executing program [ 133.434202][ T3582] loop0: detected capacity change from 0 to 65536 [ 133.556933][ T3582] XFS (loop0): Mounting V5 Filesystem [ 133.584316][ T3582] XFS (loop0): Ending clean mount [ 133.591861][ T3582] XFS (loop0): Quotacheck needed: Please wait. [ 133.611050][ T3582] XFS (loop0): Quotacheck: Done. [ 286.210233][ T27] INFO: task syz-executor168:3582 blocked for more than 143 seconds. [ 286.218374][ T27] Not tainted 5.15.164-syzkaller #0 [ 286.224412][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.233115][ T27] task:syz-executor168 state:D stack:23584 pid: 3582 ppid: 3581 flags:0x00004006 [ 286.242378][ T27] Call Trace: [ 286.245644][ T27] [ 286.248555][ T27] __schedule+0x12c4/0x45b0 [ 286.253091][ T27] ? __lock_acquire+0x1295/0x1ff0 [ 286.258119][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.264047][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 286.269270][ T27] schedule+0x11b/0x1f0 [ 286.273408][ T27] xlog_grant_head_wait+0x381/0x900 [ 286.278585][ T27] xlog_grant_head_check+0x295/0x480 [ 286.283892][ T27] ? xlog_grant_push_ail+0xd0/0xd0 [ 286.289008][ T27] xfs_log_reserve+0x3b8/0xb10 [ 286.293787][ T27] ? xlog_grant_head_check+0x480/0x480 [ 286.299269][ T27] ? xfs_mod_fdblocks+0x1ca/0x480 [ 286.304276][ T27] xfs_trans_reserve+0x23d/0x690 [ 286.309333][ T27] xfs_trans_alloc+0x420/0x7f0 [ 286.314093][ T27] xfs_trans_alloc_inode+0x129/0x450 [ 286.319412][ T27] ? xfs_trans_dup+0x620/0x620 [ 286.324172][ T27] xfs_attr_set+0x848/0x1460 [ 286.328745][ T27] ? xfs_attr_remove_iter+0xd30/0xd30 [ 286.334136][ T27] ? lockdep_unlock+0x166/0x300 [ 286.338993][ T27] xfs_xattr_set+0x227/0x3a0 [ 286.343614][ T27] ? xfs_xattr_get+0x2f0/0x2f0 [ 286.348367][ T27] ? aa_get_newest_label+0xf9/0x6c0 [ 286.353593][ T27] ? evm_protect_xattr+0x33b/0xa70 [ 286.358702][ T27] ? xfs_xattr_get+0x2f0/0x2f0 [ 286.363496][ T27] __vfs_setxattr+0x3e7/0x420 [ 286.368173][ T27] __vfs_setxattr_noperm+0x12a/0x5e0 [ 286.373479][ T27] vfs_setxattr+0x21d/0x420 [ 286.377982][ T27] ? asm_exc_page_fault+0x22/0x30 [ 286.383128][ T27] ? xattr_permission+0x4f0/0x4f0 [ 286.388145][ T27] ? copy_user_enhanced_fast_string+0xe/0x40 [ 286.394145][ T27] ? _copy_from_user+0x10f/0x170 [ 286.399078][ T27] setxattr+0x27e/0x2e0 [ 286.403260][ T27] ? path_setxattr+0x2a0/0x2a0 [ 286.408033][ T27] ? preempt_count_add+0x8f/0x180 [ 286.413071][ T27] ? __mnt_want_write+0x1e6/0x260 [ 286.418093][ T27] path_setxattr+0x1bc/0x2a0 [ 286.422722][ T27] ? simple_xattr_list_add+0xf0/0xf0 [ 286.428001][ T27] ? syscall_enter_from_user_mode+0x2e/0x240 [ 286.433993][ T27] __x64_sys_setxattr+0xb7/0xd0 [ 286.438839][ T27] do_syscall_64+0x3b/0xb0 [ 286.443277][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.447954][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.453876][ T27] RIP: 0033:0x7f4fefa61d59 [ 286.458287][ T27] RSP: 002b:00007ffe2ab10a38 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 286.466727][ T27] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f4fefa61d59 [ 286.474799][ T27] RDX: 0000000020000100 RSI: 0000000020000340 RDI: 0000000020000040 [ 286.482788][ T27] RBP: 00007f4fefae15f0 R08: 0000000000000000 R09: 00005555573db4c0 [ 286.490771][ T27] R10: 000000000000fc21 R11: 0000000000000246 R12: 00007ffe2ab10a60 [ 286.498719][ T27] R13: 00007ffe2ab10c88 R14: 431bde82d7b634db R15: 00007f4fefaab03b [ 286.506728][ T27] [ 286.509876][ T27] [ 286.509876][ T27] Showing all locks held in the system: [ 286.517572][ T27] 2 locks held by kworker/0:1/13: [ 286.522619][ T27] #0: ffff888024284538 ((wq_completion)xfs-sync/loop0){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0 [ 286.533712][ T27] #1: ffffc90000d27d20 ((work_completion)(&(&log->l_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0 [ 286.545747][ T27] 1 lock held by khungtaskd/27: [ 286.550603][ T27] #0: ffffffff8c91fb20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.559966][ T27] 1 lock held by klogd/3017: [ 286.564541][ T27] #0: ffff8880b9b3a358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x26/0x140 [ 286.574480][ T27] 2 locks held by getty/3323: [ 286.579175][ T27] #0: ffff88814b533098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.588891][ T27] #1: ffffc9000209b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 286.599070][ T27] 3 locks held by syz-executor168/3582: [ 286.604630][ T27] #0: ffff888077f9c460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 [ 286.613838][ T27] #1: ffff88806fab0300 (&inode->i_sb->s_type->i_mutex_dir_key){++++}-{3:3}, at: vfs_setxattr+0x1dd/0x420 [ 286.625184][ T27] #2: ffff888077f9c650 (sb_internal#2){.+.+}-{0:0}, at: xfs_trans_alloc_inode+0x129/0x450 [ 286.635214][ T27] [ 286.637529][ T27] ============================================= [ 286.637529][ T27] [ 286.645983][ T27] NMI backtrace for cpu 0 [ 286.650302][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.164-syzkaller #0 [ 286.658251][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 286.668276][ T27] Call Trace: [ 286.671532][ T27] [ 286.674437][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.679092][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.684696][ T27] ? panic+0x860/0x860 [ 286.688742][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 286.693834][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 286.698742][ T27] ? __wake_up_klogd+0xd5/0x100 [ 286.703566][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.709688][ T27] ? _printk+0xd1/0x120 [ 286.713813][ T27] ? panic+0x860/0x860 [ 286.717851][ T27] ? __wake_up_klogd+0xcc/0x100 [ 286.722670][ T27] ? panic+0x860/0x860 [ 286.726709][ T27] ? __rcu_read_unlock+0x92/0x100 [ 286.731703][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.737739][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 286.743690][ T27] watchdog+0xe72/0xeb0 [ 286.747821][ T27] kthread+0x3f6/0x4f0 [ 286.751860][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.756854][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.761413][ T27] ret_from_fork+0x1f/0x30 [ 286.765804][ T27] [ 286.768917][ T27] Sending NMI from CPU 0 to CPUs 1: [ 286.774159][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 286.775191][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.790651][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.164-syzkaller #0 [ 286.798602][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 286.808627][ T27] Call Trace: [ 286.811879][ T27] [ 286.814782][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.819436][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.825039][ T27] ? panic+0x860/0x860 [ 286.829083][ T27] panic+0x318/0x860 [ 286.832948][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 286.838551][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.844677][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 286.849846][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.855886][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.862009][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 286.868134][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 286.874258][ T27] watchdog+0xeb0/0xeb0 [ 286.878397][ T27] kthread+0x3f6/0x4f0 [ 286.882438][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.887430][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.891990][ T27] ret_from_fork+0x1f/0x30 [ 286.896384][ T27] [ 286.899600][ T27] Kernel Offset: disabled [ 286.903913][ T27] Rebooting in 86400 seconds..