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]
[ 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]
[ 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]
[ 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]
[ 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]
[ 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]
[ 286.788404][ C0]
[ 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]
[ 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]
[ 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]
[ 287.346804][ T27] Kernel Offset: disabled
[ 287.351318][ T27] Rebooting in 86400 seconds..