Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts.
executing program
[ 134.000005][ T4182] loop0: detected capacity change from 0 to 256
[ 134.041901][ T4182] exfat: Deprecated parameter 'utf8'
[ 134.097598][ T4182] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xc61f63e4, utbl_chksum : 0xe619d30d)
[ 286.330113][ T27] INFO: task syz-executor399:4184 blocked for more than 143 seconds.
[ 286.338424][ T27] Not tainted 5.15.173-syzkaller #0
[ 286.345174][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.354130][ T27] task:syz-executor399 state:D stack:28304 pid: 4184 ppid: 4180 flags:0x00004006
[ 286.363633][ T27] Call Trace:
[ 286.366939][ T27]
[ 286.370155][ T27] __schedule+0x12c4/0x45b0
[ 286.374735][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.380924][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.386927][ T27] ? print_irqtrace_events+0x210/0x210
[ 286.392688][ T27] ? _raw_spin_lock_irq+0xdb/0x110
[ 286.397833][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 286.403334][ T27] schedule+0x11b/0x1f0
[ 286.407531][ T27] rwsem_down_write_slowpath+0xf0c/0x16a0
[ 286.413642][ T27] ? rwsem_write_trylock+0x210/0x210
[ 286.418955][ T27] ? read_lock_is_recursive+0x10/0x10
[ 286.424612][ T27] ? rwsem_write_trylock+0x166/0x210
[ 286.430165][ T27] ? clear_nonspinnable+0x60/0x60
[ 286.435227][ T27] do_rmdir+0x225/0x670
[ 286.439669][ T27] ? d_delete_notify+0x150/0x150
[ 286.444629][ T27] ? strncpy_from_user+0x209/0x370
[ 286.450038][ T27] __x64_sys_rmdir+0x45/0x50
[ 286.454652][ T27] do_syscall_64+0x3b/0xb0
[ 286.459419][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.464119][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.470342][ T27] RIP: 0033:0x7fa081143789
[ 286.475084][ T27] RSP: 002b:00007fa0810df218 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
[ 286.483819][ T27] RAX: ffffffffffffffda RBX: 00007fa0811cb6d8 RCX: 00007fa081143789
[ 286.492176][ T27] RDX: 00007fa08111cef6 RSI: 0000000000000000 RDI: 00000000200000c0
[ 286.500407][ T27] RBP: 00007fa0811cb6d0 R08: 00007ffc0eda4f77 R09: 0000000000000000
[ 286.508397][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa08119707e
[ 286.516708][ T27] R13: 00007fa0811970e0 R14: 0030656c69662f2e R15: 0031656c69662f2e
[ 286.525143][ T27]
[ 286.528240][ T27]
[ 286.528240][ T27] Showing all locks held in the system:
[ 286.536308][ T27] 1 lock held by khungtaskd/27:
[ 286.541382][ T27] #0: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.550980][ T27] 2 locks held by getty/3933:
[ 286.555667][ T27] #0: ffff88802cc37098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.565734][ T27] #1: ffffc90002cd62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.576082][ T27] 3 locks held by syz-executor399/4182:
[ 286.581832][ T27] 2 locks held by syz-executor399/4184:
[ 286.587383][ T27] #0: ffff88802b62c460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80
[ 286.596811][ T27] #1: ffff8880701a82b0 (&sb->s_type->i_mutex_key#15/1){+.+.}-{3:3}, at: do_rmdir+0x225/0x670
[ 286.607328][ T27]
[ 286.609808][ T27] =============================================
[ 286.609808][ T27]
[ 286.618236][ T27] NMI backtrace for cpu 0
[ 286.622599][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 286.630580][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.640724][ T27] Call Trace:
[ 286.644005][ T27]
[ 286.646940][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.651633][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.657275][ T27] ? panic+0x860/0x860
[ 286.661374][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.666501][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.671447][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.676308][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.682467][ T27] ? _printk+0xd1/0x120
[ 286.686638][ T27] ? panic+0x860/0x860
[ 286.690735][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.695600][ T27] ? panic+0x860/0x860
[ 286.699681][ T27] ? __rcu_read_unlock+0x92/0x100
[ 286.704714][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.710973][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.716972][ T27] watchdog+0xe72/0xeb0
[ 286.721150][ T27] kthread+0x3f6/0x4f0
[ 286.725230][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.730265][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.734865][ T27] ret_from_fork+0x1f/0x30
[ 286.739302][ T27]
[ 286.742506][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 286.747735][ C1] NMI backtrace for cpu 1
[ 286.747745][ C1] CPU: 1 PID: 4182 Comm: syz-executor399 Not tainted 5.15.173-syzkaller #0
[ 286.747761][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.747770][ C1] RIP: 0010:exfat_ent_get+0x1f8/0x400
[ 286.747792][ C1] Code: e8 7d 91 a8 ff 42 0f b6 44 25 00 84 c0 0f 85 b7 01 00 00 41 8b 1f 48 89 df 48 c7 c6 20 5d cd 8c e8 2d 35 43 ff b8 ff ff ff ff <48> 39 c3 4c 8b 74 24 08 74 5b 83 fb f7 0f 84 ae 00 00 00 85 db 0f
[ 286.747804][ C1] RSP: 0018:ffffc9000313f788 EFLAGS: 00000246
[ 286.747818][ C1] RAX: 00000000ffffffff RBX: 0000000000000005 RCX: 000000000000008b
[ 286.747829][ C1] RDX: 0000000000000003 RSI: ffffffff8ccd5d20 RDI: 0000000000000005
[ 286.747838][ C1] RBP: 1ffff92000627f38 R08: 0000000000000005 R09: ffffffff823d42d3
[ 286.747849][ C1] R10: 0000000000000003 R11: ffff88802328d940 R12: dffffc0000000000
[ 286.747860][ C1] R13: 0000000000000005 R14: ffff88807016e000 R15: ffffc9000313f9c0
[ 286.747871][ C1] FS: 00007fa0811006c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 286.747884][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 286.747895][ C1] CR2: 0000562fd5893600 CR3: 00000000768b7000 CR4: 00000000003506e0
[ 286.747909][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 286.747917][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 286.747927][ C1] Call Trace:
[ 286.747932][ C1]
[ 286.747937][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 286.747954][ C1] ? read_lock_is_recursive+0x10/0x10
[ 286.747972][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.747988][ C1] ? unknown_nmi_error+0xd0/0xd0
[ 286.748012][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 286.748028][ C1] ? nmi_handle+0xf7/0x370
[ 286.748045][ C1] ? exfat_ent_get+0x1f8/0x400
[ 286.748061][ C1] ? default_do_nmi+0x62/0x150
[ 286.748078][ C1] ? exc_nmi+0xa8/0x100
[ 286.748092][ C1] ? end_repeat_nmi+0x16/0x31
[ 286.748113][ C1] ? exfat_ent_get+0x1f3/0x400
[ 286.748130][ C1] ? exfat_ent_get+0x1f8/0x400
[ 286.748146][ C1] ? exfat_ent_get+0x1f8/0x400
[ 286.748163][ C1] ? exfat_ent_get+0x1f8/0x400
[ 286.748178][ C1]
[ 286.748182][ C1]
[ 286.748190][ C1] exfat_iterate+0xda2/0x34a0
[ 286.748224][ C1] ? exfat_check_dir_empty+0x520/0x520
[ 286.748239][ C1] ? lockdep_unlock+0x166/0x300
[ 286.748285][ C1] ? read_lock_is_recursive+0x10/0x10
[ 286.748303][ C1] ? rwsem_write_trylock+0x166/0x210
[ 286.748320][ C1] ? __fdget_pos+0x2cb/0x380
[ 286.748392][ C1] iterate_dir+0x224/0x570
[ 286.748413][ C1] __se_sys_getdents+0x1e8/0x4c0
[ 286.748435][ C1] ? __x64_sys_getdents+0x80/0x80
[ 286.748450][ C1] ? fillonedir+0x4b0/0x4b0
[ 286.748469][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 286.748486][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 286.748503][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 286.748522][ C1] do_syscall_64+0x3b/0xb0
[ 286.748536][ C1] ? clear_bhb_loop+0x15/0x70
[ 286.748554][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.748573][ C1] RIP: 0033:0x7fa081143789
[ 286.748588][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
[ 286.748601][ C1] RSP: 002b:00007fa081100218 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 286.748616][ C1] RAX: ffffffffffffffda RBX: 00007fa0811cb6c8 RCX: 00007fa081143789
[ 286.748627][ C1] RDX: 00000000000000b6 RSI: 0000000020001fc0 RDI: 0000000000000004
[ 286.748636][ C1] RBP: 00007fa0811cb6c0 R08: 0000000000000000 R09: 0000000000000000
[ 286.748645][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa08119707e
[ 286.748655][ C1] R13: 00007fa0811970e0 R14: 0030656c69662f2e R15: 0031656c69662f2e
[ 286.748674][ C1]
[ 287.119874][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.126734][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 287.134715][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.144775][ T27] Call Trace:
[ 287.148059][ T27]
[ 287.151081][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 287.155778][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 287.161715][ T27] ? panic+0x860/0x860
[ 287.165802][ T27] panic+0x318/0x860
[ 287.169705][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 287.175445][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.181630][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 287.186843][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.192925][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.199091][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 287.205256][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 287.211434][ T27] watchdog+0xeb0/0xeb0
[ 287.215614][ T27] kthread+0x3f6/0x4f0
[ 287.219695][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.224725][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.229324][ T27] ret_from_fork+0x1f/0x30
[ 287.233760][ T27]
[ 287.237091][ T27] Kernel Offset: disabled
[ 287.241510][ T27] Rebooting in 86400 seconds..