Warning: Permanently added '10.128.0.154' (ED25519) to the list of known hosts.
executing program
[   50.883182][ T4162] loop0: detected capacity change from 0 to 256
[   50.979673][ T4162] exFAT-fs (loop0): failed to load upcase table (idx : 0x000104d0, chksum : 0xda218cab, utbl_chksum : 0xe619d30d)
[   76.344023][   T21] cfg80211: failed to load regulatory.db
[  286.261804][   T27] INFO: task kworker/u4:1:144 blocked for more than 143 seconds.
[  286.269647][   T27]       Not tainted 5.15.176-syzkaller #0
[  286.276397][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.285367][   T27] task:kworker/u4:1    state:D stack:21856 pid:  144 ppid:     2 flags:0x00004000
[  286.294927][   T27] Workqueue: writeback wb_workfn (flush-7:0)
[  286.300956][   T27] Call Trace:
[  286.304639][   T27]  <TASK>
[  286.307580][   T27]  __schedule+0x12c4/0x45b0
[  286.312475][   T27]  ? trace_block_rq_insert+0x1d0/0x1d0
[  286.317953][   T27]  ? blk_flush_plug_list+0x44b/0x490
[  286.323607][   T27]  ? release_firmware_map_entry+0x190/0x190
[  286.329500][   T27]  ? __mutex_trylock_common+0x8d/0x2e0
[  286.335278][   T27]  ? blk_check_plugged+0x250/0x250
[  286.340396][   T27]  ? kthread_data+0x4e/0xc0
[  286.345277][   T27]  ? wq_worker_sleeping+0x5d/0x200
[  286.350402][   T27]  schedule+0x11b/0x1f0
[  286.354886][   T27]  schedule_preempt_disabled+0xf/0x20
[  286.360259][   T27]  __mutex_lock_common+0xe34/0x25a0
[  286.365817][   T27]  ? exfat_write_inode+0x65/0x110
[  286.370846][   T27]  ? mutex_lock_io_nested+0x60/0x60
[  286.376383][   T27]  mutex_lock_nested+0x17/0x20
[  286.381159][   T27]  exfat_write_inode+0x65/0x110
[  286.386367][   T27]  __writeback_single_inode+0x644/0xe30
[  286.392153][   T27]  writeback_sb_inodes+0xbce/0x1a40
[  286.397367][   T27]  ? print_unlock_imbalance_bug+0x2b0/0x2b0
[  286.403968][   T27]  ? queue_io+0x560/0x560
[  286.408974][   T27]  ? up_read+0x20/0x20
[  286.413469][   T27]  ? __writeback_inodes_wb+0x400/0x400
[  286.418959][   T27]  __writeback_inodes_wb+0x114/0x400
[  286.424759][   T27]  wb_writeback+0x465/0xc50
[  286.429289][   T27]  ? rcu_lock_release+0x20/0x20
[  286.434500][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  286.439702][   T27]  ? cpumask_next+0xc3/0xf0
[  286.444746][   T27]  wb_workfn+0xd07/0x1130
[  286.449630][   T27]  ? mark_lock+0x98/0x340
[  286.454549][   T27]  ? inode_wait_for_writeback+0x280/0x280
[  286.460315][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  286.467071][   T27]  ? print_irqtrace_events+0x210/0x210
[  286.472802][   T27]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
[  286.478812][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  286.484505][   T27]  process_one_work+0x8a1/0x10c0
[  286.489995][   T27]  ? worker_detach_from_pool+0x260/0x260
[  286.496740][   T27]  ? _raw_spin_lock_irqsave+0x120/0x120
[  286.502599][   T27]  ? kthread_data+0x4e/0xc0
[  286.507875][   T27]  ? wq_worker_running+0x97/0x170
[  286.513292][   T27]  worker_thread+0xaca/0x1280
[  286.517999][   T27]  kthread+0x3f6/0x4f0
[  286.522403][   T27]  ? rcu_lock_release+0x20/0x20
[  286.527255][   T27]  ? kthread_blkcg+0xd0/0xd0
[  286.532162][   T27]  ret_from_fork+0x1f/0x30
[  286.536594][   T27]  </TASK>
[  286.540583][   T27] 
[  286.540583][   T27] Showing all locks held in the system:
[  286.548925][   T27] 1 lock held by khungtaskd/27:
[  286.554039][   T27]  #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  286.563938][   T27] 4 locks held by kworker/u4:1/144:
[  286.569226][   T27]  #0: ffff88814479e938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x78a/0x10c0
[  286.580548][   T27]  #1: ffffc900016efd20 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0x10c0
[  286.592748][   T27]  #2: ffff88802b42a0e0 (&type->s_umount_key#43){.+.+}-{3:3}, at: trylock_super+0x1b/0xf0
[  286.604347][   T27]  #3: ffff8880755320e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x65/0x110
[  286.614469][   T27] 2 locks held by getty/3923:
[  286.619168][   T27]  #0: ffff88814cb52098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  286.629286][   T27]  #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[  286.639668][   T27] 3 locks held by syz-executor831/4161:
[  286.645466][   T27] 
[  286.647889][   T27] =============================================
[  286.647889][   T27] 
[  286.656980][   T27] NMI backtrace for cpu 1
[  286.661403][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
[  286.669847][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  286.680085][   T27] Call Trace:
[  286.683365][   T27]  <TASK>
[  286.686303][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  286.690995][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  286.696914][   T27]  ? panic+0x860/0x860
[  286.701006][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  286.706217][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  286.711328][   T27]  ? __wake_up_klogd+0xd5/0x100
[  286.716180][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  286.722600][   T27]  ? _printk+0xd1/0x120
[  286.726764][   T27]  ? panic+0x860/0x860
[  286.731016][   T27]  ? __wake_up_klogd+0xcc/0x100
[  286.735868][   T27]  ? panic+0x860/0x860
[  286.740165][   T27]  ? __rcu_read_unlock+0x92/0x100
[  286.745277][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  286.751359][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  286.757345][   T27]  watchdog+0xe72/0xeb0
[  286.761509][   T27]  kthread+0x3f6/0x4f0
[  286.765572][   T27]  ? hungtask_pm_notify+0x50/0x50
[  286.770590][   T27]  ? kthread_blkcg+0xd0/0xd0
[  286.775180][   T27]  ret_from_fork+0x1f/0x30
[  286.779617][   T27]  </TASK>
[  286.782778][   T27] Sending NMI from CPU 1 to CPUs 0:
[  286.788013][    C0] NMI backtrace for cpu 0
[  286.788025][    C0] CPU: 0 PID: 4161 Comm: syz-executor831 Not tainted 5.15.176-syzkaller #0
[  286.788041][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  286.788049][    C0] RIP: 0010:__kasan_check_read+0x6/0x10
[  286.788070][    C0] Code: 41 5e 41 5f 5d c3 48 c7 c7 f7 fa 3c 8c eb 0a 48 c7 c7 2f fb 3c 8c 4c 89 fe e8 36 84 73 08 31 db eb d7 cc cc 89 f6 48 8b 0c 24 <31> d2 e9 63 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 00 00 00 e9
[  286.788089][    C0] RSP: 0018:ffffc9000308f410 EFLAGS: 00000002
[  286.788102][    C0] RAX: 000000000000001a RBX: 000000000000069e RCX: ffffffff81633db8
[  286.788112][    C0] RDX: 0000000000000006 RSI: 0000000000000008 RDI: ffffffff9098a1d0
[  286.788121][    C0] RBP: 0000000000000006 R08: dffffc0000000000 R09: fffffbfff213143b
[  286.788130][    C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807d0ec6e0
[  286.788139][    C0] R13: dffffc0000000000 R14: 0000000000000040 R15: ffff88807d0ec6c0
[  286.788149][    C0] FS:  00005555898b8380(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
[  286.788161][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  286.788170][    C0] CR2: 00005610e1691600 CR3: 0000000078140000 CR4: 00000000003506f0
[  286.788183][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  286.788191][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  286.788199][    C0] Call Trace:
[  286.788204][    C0]  <NMI>
[  286.788210][    C0]  ? nmi_cpu_backtrace+0x39f/0x4a0
[  286.788225][    C0]  ? read_lock_is_recursive+0x10/0x10
[  286.788241][    C0]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  286.788261][    C0]  ? nmi_cpu_backtrace_handler+0x8/0x10
[  286.788276][    C0]  ? nmi_handle+0xf7/0x370
[  286.788291][    C0]  ? __kasan_check_read+0x6/0x10
[  286.788304][    C0]  ? default_do_nmi+0x62/0x150
[  286.788319][    C0]  ? exc_nmi+0xa8/0x100
[  286.788332][    C0]  ? end_repeat_nmi+0x16/0x31
[  286.788347][    C0]  ? mark_lock+0x98/0x340
[  286.788360][    C0]  ? __kasan_check_read+0x6/0x10
[  286.788373][    C0]  ? __kasan_check_read+0x6/0x10
[  286.788387][    C0]  ? __kasan_check_read+0x6/0x10
[  286.788400][    C0]  </NMI>
[  286.788404][    C0]  <TASK>
[  286.788408][    C0]  mark_lock+0x98/0x340
[  286.788422][    C0]  lockdep_hardirqs_on_prepare+0x3a0/0x7a0
[  286.788437][    C0]  ? print_irqtrace_events+0x210/0x210
[  286.788452][    C0]  ? __find_get_block+0x18e/0x1350
[  286.788469][    C0]  trace_hardirqs_on+0x67/0x80
[  286.788484][    C0]  __find_get_block+0x2c4/0x1350
[  286.788501][    C0]  ? write_boundary_block+0x150/0x150
[  286.788516][    C0]  ? __getblk_gfp+0x52/0xaf0
[  286.788532][    C0]  ? exfat_find_location+0x3d0/0x3d0
[  286.788548][    C0]  __getblk_gfp+0x2d/0xaf0
[  286.788562][    C0]  ? exfat_get_dentry+0x6a8/0x970
[  286.788579][    C0]  __bread_gfp+0x2a/0x390
[  286.788593][    C0]  exfat_ent_get+0x149/0x400
[  286.788609][    C0]  exfat_iterate+0xda2/0x34a0
[  286.788628][    C0]  ? exfat_iterate+0x291/0x34a0
[  286.788652][    C0]  ? exfat_check_dir_empty+0x520/0x520
[  286.788686][    C0]  ? read_lock_is_recursive+0x10/0x10
[  286.788701][    C0]  ? rwsem_write_trylock+0x166/0x210
[  286.788716][    C0]  ? __fdget_pos+0x2cb/0x380
[  286.788737][    C0]  iterate_dir+0x224/0x570
[  286.788754][    C0]  __se_sys_getdents64+0x209/0x4f0
[  286.788769][    C0]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  286.788784][    C0]  ? __x64_sys_getdents64+0x80/0x80
[  286.788798][    C0]  ? filldir+0x720/0x720
[  286.788813][    C0]  ? syscall_enter_from_user_mode+0x2e/0x240
[  286.788828][    C0]  ? lockdep_hardirqs_on+0x94/0x130
[  286.788842][    C0]  ? syscall_enter_from_user_mode+0x2e/0x240
[  286.788858][    C0]  do_syscall_64+0x3b/0xb0
[  286.788871][    C0]  ? clear_bhb_loop+0x15/0x70
[  286.788883][    C0]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.788900][    C0] RIP: 0033:0x7f483eab8ea3
[  286.788914][    C0] Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 92 48 fb ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8
[  286.788924][    C0] RSP: 002b:00007ffc2c9ac128 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
[  286.788938][    C0] RAX: ffffffffffffffda RBX: 00005555898c1730 RCX: 00007f483eab8ea3
[  286.788947][    C0] RDX: 0000000000008000 RSI: 00005555898c1730 RDI: 0000000000000004
[  286.788956][    C0] RBP: 00005555898c1704 R08: 00005555898c175b R09: 0000000000000000
[  286.788965][    C0] R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb8
[  286.788974][    C0] R13: 0000000000000010 R14: 00005555898c1700 R15: 431bde82d7b634db
[  286.788988][    C0]  </TASK>
[  286.789700][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  287.236354][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
[  287.244343][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  287.254400][   T27] Call Trace:
[  287.257681][   T27]  <TASK>
[  287.260606][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  287.265288][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  287.270917][   T27]  ? panic+0x860/0x860
[  287.274995][   T27]  panic+0x318/0x860
[  287.278886][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  287.284511][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  287.290660][   T27]  ? fb_is_primary_device+0xd0/0xd0
[  287.296328][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  287.302403][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  287.308578][   T27]  ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[  287.314767][   T27]  ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[  287.321231][   T27]  watchdog+0xeb0/0xeb0
[  287.325397][   T27]  kthread+0x3f6/0x4f0
[  287.329464][   T27]  ? hungtask_pm_notify+0x50/0x50
[  287.334573][   T27]  ? kthread_blkcg+0xd0/0xd0
[  287.339164][   T27]  ret_from_fork+0x1f/0x30
[  287.343586][   T27]  </TASK>
[  287.346804][   T27] Kernel Offset: disabled
[  287.351318][   T27] Rebooting in 86400 seconds..