[ 81.423652][ T7] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts.
executing program
[ 86.079611][ T4165] loop0: detected capacity change from 0 to 32768
[ 86.184728][ T4165] BTRFS: device fsid c9fe44da-de57-406a-8241-57ec7d4412cf devid 1 transid 8 /dev/loop0 scanned by syz-executor358 (4165)
[ 86.217038][ T4165] BTRFS info (device loop0): using crc32c (crc32c-intel) checksum algorithm
[ 86.226350][ T4165] BTRFS info (device loop0): setting nodatacow, compression disabled
[ 86.236087][ T4165] BTRFS info (device loop0): enabling auto defrag
[ 86.242827][ T4165] BTRFS info (device loop0): max_inline at 0
[ 86.248938][ T4165] BTRFS info (device loop0): using free space tree
[ 86.256022][ T4165] BTRFS info (device loop0): has skinny extents
[ 286.221871][ T27] INFO: task kworker/u4:0:9 blocked for more than 143 seconds.
[ 286.229740][ T27] Not tainted 5.15.179-syzkaller #0
[ 286.235804][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.244536][ T27] task:kworker/u4:0 state:D stack:21856 pid: 9 ppid: 2 flags:0x00004000
[ 286.253810][ T27] Workqueue: btrfs-endio-write btrfs_work_helper
[ 286.260191][ T27] Call Trace:
[ 286.263508][ T27]
[ 286.266460][ T27] __schedule+0x12c4/0x45b0
[ 286.271000][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.276959][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 286.282901][ T27] ? wq_worker_sleeping+0x5d/0x200
[ 286.288011][ T27] schedule+0x11b/0x1f0
[ 286.292225][ T27] wait_extent_bit+0x3f9/0x530
[ 286.297013][ T27] ? lock_extent_bits+0x1e0/0x1e0
[ 286.302100][ T27] ? init_wait_entry+0xd0/0xd0
[ 286.306888][ T27] lock_extent_bits+0x10d/0x1e0
[ 286.311830][ T27] ? clear_record_extent_bits+0x70/0x70
[ 286.317389][ T27] ? is_dynamic_key+0x1f0/0x1f0
[ 286.322283][ T27] ? btrfs_free_io_failure_record+0x16c/0x330
[ 286.328367][ T27] ? btrfs_finish_ordered_io+0x4e4/0x1db0
[ 286.334177][ T27] btrfs_finish_ordered_io+0x615/0x1db0
[ 286.339753][ T27] ? free_async_extent_pages+0x3a0/0x3a0
[ 286.345448][ T27] ? read_lock_is_recursive+0x10/0x10
[ 286.350838][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.356893][ T27] btrfs_work_helper+0x36e/0xbc0
[ 286.361914][ T27] process_one_work+0x8a1/0x10c0
[ 286.366865][ T27] ? worker_detach_from_pool+0x260/0x260
[ 286.372563][ T27] ? _raw_spin_lock_irqsave+0x120/0x120
[ 286.378134][ T27] ? kthread_data+0x4e/0xc0
[ 286.382697][ T27] ? wq_worker_running+0x97/0x170
[ 286.387835][ T27] worker_thread+0xaca/0x1280
[ 286.392599][ T27] kthread+0x3f6/0x4f0
[ 286.396680][ T27] ? rcu_lock_release+0x20/0x20
[ 286.401527][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.406163][ T27] ret_from_fork+0x1f/0x30
[ 286.410620][ T27]
[ 286.414933][ T27] INFO: task syz-executor358:4165 blocked for more than 143 seconds.
[ 286.423069][ T27] Not tainted 5.15.179-syzkaller #0
[ 286.428794][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.437524][ T27] task:syz-executor358 state:D stack:22808 pid: 4165 ppid: 4164 flags:0x00004006
[ 286.446787][ T27] Call Trace:
[ 286.450064][ T27]
[ 286.453044][ T27] __schedule+0x12c4/0x45b0
[ 286.457586][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.463538][ T27] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 286.469450][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 286.474716][ T27] schedule+0x11b/0x1f0
[ 286.478887][ T27] wait_extent_bit+0x3f9/0x530
[ 286.483704][ T27] ? lock_extent_bits+0x1e0/0x1e0
[ 286.488742][ T27] ? init_wait_entry+0xd0/0xd0
[ 286.493593][ T27] lock_extent_bits+0x10d/0x1e0
[ 286.498490][ T27] ? clear_record_extent_bits+0x70/0x70
[ 286.504090][ T27] ? wait_on_page_writeback+0x161/0x1a0
[ 286.509664][ T27] btrfs_page_mkwrite+0x5f2/0xd60
[ 286.514771][ T27] ? btrfs_submit_direct+0x1160/0x1160
[ 286.520250][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.525342][ T27] ? do_raw_spin_lock+0x14a/0x370
[ 286.530419][ T27] do_page_mkwrite+0x1a9/0x440
[ 286.535273][ T27] wp_page_shared+0x179/0x690
[ 286.539973][ T27] handle_mm_fault+0x2a3d/0x5960
[ 286.545094][ T27] ? numa_migrate_prep+0x1a0/0x1a0
[ 286.550245][ T27] ? vmacache_find+0x23c/0x590
[ 286.555114][ T27] exc_page_fault+0x271/0x700
[ 286.559815][ T27] ? __might_fault+0xb8/0x110
[ 286.564543][ T27] asm_exc_page_fault+0x22/0x30
[ 286.569423][ T27] RIP: 0010:copy_user_generic_unrolled+0x89/0xc0
[ 286.575815][ T27] Code: 38 4c 89 47 20 4c 89 4f 28 4c 89 57 30 4c 89 5f 38 48 8d 76 40 48 8d 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 <4c> 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a
[ 286.595514][ T27] RSP: 0018:ffffc900031af668 EFLAGS: 00050202
[ 286.601606][ T27] RAX: ffffffff84142601 RBX: 0000200000000418 RCX: 0000000000000007
[ 286.609663][ T27] RDX: 0000000000000000 RSI: ffffc900031af720 RDI: 00002000000003e0
[ 286.617837][ T27] RBP: ffffc900031af7d0 R08: 0000000000000000 R09: fffff52000635eeb
[ 286.625865][ T27] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000038
[ 286.633904][ T27] R13: 00007ffffffff000 R14: ffffc900031af720 R15: 00002000000003e0
[ 286.641952][ T27] ? _copy_to_user+0xb1/0x130
[ 286.646656][ T27] _copy_to_user+0xef/0x130
[ 286.651160][ T27] fiemap_fill_next_extent+0x231/0x410
[ 286.656714][ T27] ? free_extent_map+0x133/0x1f0
[ 286.661725][ T27] ? vfs_ioctl+0xc0/0xc0
[ 286.665990][ T27] ? btrfs_release_path+0x243/0x260
[ 286.671186][ T27] extent_fiemap+0x1218/0x1650
[ 286.676019][ T27] ? extent_fiemap+0x1071/0x1650
[ 286.680986][ T27] ? try_release_extent_mapping+0x550/0x550
[ 286.686945][ T27] ? __might_fault+0xb8/0x110
[ 286.691712][ T27] ? fiemap_prep+0x1b0/0x240
[ 286.696325][ T27] btrfs_fiemap+0x121/0x160
[ 286.700826][ T27] ? btrfs_getattr+0x4a0/0x4a0
[ 286.705728][ T27] ? __might_fault+0xb4/0x110
[ 286.710430][ T27] ? btrfs_getattr+0x4a0/0x4a0
[ 286.715261][ T27] do_vfs_ioctl+0x1934/0x2b70
[ 286.719958][ T27] ? __x64_compat_sys_ioctl+0x80/0x80
[ 286.725375][ T27] ? __lock_acquire+0x1ff0/0x1ff0
[ 286.730541][ T27] ? slab_free_freelist_hook+0xdd/0x160
[ 286.736155][ T27] ? tomoyo_path_number_perm+0x648/0x810
[ 286.741915][ T27] ? kfree+0xf1/0x270
[ 286.745920][ T27] ? tomoyo_path_number_perm+0x6ab/0x810
[ 286.751551][ T27] ? tomoyo_check_path_acl+0x1c0/0x1c0
[ 286.757185][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.763234][ T27] ? print_irqtrace_events+0x210/0x210
[ 286.768694][ T27] ? vtime_user_exit+0x2d1/0x400
[ 286.773700][ T27] ? bpf_lsm_file_ioctl+0x5/0x10
[ 286.778653][ T27] ? security_file_ioctl+0x7d/0xa0
[ 286.783811][ T27] __se_sys_ioctl+0x81/0x160
[ 286.788416][ T27] do_syscall_64+0x3b/0xb0
[ 286.792890][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.797586][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.803571][ T27] RIP: 0033:0x7f0a9a058d19
[ 286.808004][ T27] RSP: 002b:00007ffc37226568 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 286.816487][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0a9a058d19
[ 286.824531][ T27] RDX: 00002000000003c0 RSI: 00000000c020660b RDI: 0000000000000004
[ 286.832560][ T27] RBP: 00007f0a9a0d05f0 R08: 0000000000000000 R09: 0000000000000000
[ 286.840530][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc372265a0
[ 286.848539][ T27] R13: 00007ffc372267c8 R14: 431bde82d7b634db R15: 00007f0a9a0a103b
[ 286.856597][ T27]
[ 286.859718][ T27]
[ 286.859718][ T27] Showing all locks held in the system:
[ 286.867491][ T27] 2 locks held by kworker/u4:0/9:
[ 286.872612][ T27] #0: ffff8881421b9138 ((wq_completion)btrfs-endio-write){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[ 286.883979][ T27] #1: ffffc90000ce7d20 ((work_completion)(&work->normal_work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[ 286.895814][ T27] 1 lock held by khungtaskd/27:
[ 286.900656][ T27] #0: ffffffff8cb1f4e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.910053][ T27] 2 locks held by getty/3926:
[ 286.914779][ T27] #0: ffff88802cb2d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.924567][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.934759][ T27] 3 locks held by syz-executor358/4165:
[ 286.940310][ T27] #0: ffff888023e34e28 (&mm->mmap_lock){++++}-{3:3}, at: exc_page_fault+0x181/0x700
[ 286.949970][ T27] #1: ffff8880245c8558 (sb_pagefaults){.+.+}-{0:0}, at: do_page_mkwrite+0x1a9/0x440
[ 286.959560][ T27] #2: ffff88806ec49838 (&ei->i_mmap_lock){.+.+}-{3:3}, at: btrfs_page_mkwrite+0x4a2/0xd60
[ 286.969651][ T27]
[ 286.972041][ T27] =============================================
[ 286.972041][ T27]
[ 286.980487][ T27] NMI backtrace for cpu 0
[ 286.984829][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[ 286.992843][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 287.002912][ T27] Call Trace:
[ 287.006185][ T27]
[ 287.009112][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 287.013787][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 287.019417][ T27] ? panic+0x860/0x860
[ 287.023485][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 287.028594][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 287.033525][ T27] ? __wake_up_klogd+0xd5/0x100
[ 287.038809][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 287.044957][ T27] ? _printk+0xd1/0x120
[ 287.049125][ T27] ? panic+0x860/0x860
[ 287.053185][ T27] ? __wake_up_klogd+0xcc/0x100
[ 287.058026][ T27] ? panic+0x860/0x860
[ 287.062085][ T27] ? __rcu_read_unlock+0x92/0x100
[ 287.067120][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.073177][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 287.079166][ T27] watchdog+0xe72/0xeb0
[ 287.083319][ T27] kthread+0x3f6/0x4f0
[ 287.087381][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.092396][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.096974][ T27] ret_from_fork+0x1f/0x30
[ 287.101473][ T27]
[ 287.104593][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 287.109837][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 287.110820][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.125428][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[ 287.133399][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 287.143472][ T27] Call Trace:
[ 287.146769][ T27]
[ 287.149692][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 287.154365][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 287.159987][ T27] ? panic+0x860/0x860
[ 287.164053][ T27] panic+0x318/0x860
[ 287.167941][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.174091][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 287.179282][ T27] ? panic+0x860/0x860
[ 287.183350][ T27] ? irq_work_queue+0xcd/0x150
[ 287.188127][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.194189][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.200335][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.206400][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0
[ 287.212551][ T27] watchdog+0xeb0/0xeb0
[ 287.216734][ T27] kthread+0x3f6/0x4f0
[ 287.220794][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.225812][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.230396][ T27] ret_from_fork+0x1f/0x30
[ 287.234815][ T27]
[ 287.237969][ T27] Kernel Offset: disabled
[ 287.242305][ T27] Rebooting in 86400 seconds..