Warning: Permanently added '10.128.0.226' (ED25519) to the list of known hosts.
executing program
[ 237.476131][ T4186] loop0: detected capacity change from 0 to 256
[ 237.520305][ T4186] exfat: Deprecated parameter 'utf8'
[ 237.566117][ T4186] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0xc61f63e4, utbl_chksum : 0xe619d30d)
[ 429.617570][ T27] INFO: task syz-executor144:4188 blocked for more than 143 seconds.
[ 429.625827][ T27] Not tainted 5.15.173-syzkaller #0
[ 429.631933][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 429.640883][ T27] task:syz-executor144 state:D stack:28624 pid: 4188 ppid: 4184 flags:0x00004006
[ 429.650305][ T27] Call Trace:
[ 429.653591][ T27]
[ 429.656534][ T27] __schedule+0x12c4/0x45b0
[ 429.661401][ T27] ? release_firmware_map_entry+0x190/0x190
[ 429.667472][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 429.673476][ T27] ? print_irqtrace_events+0x210/0x210
[ 429.679180][ T27] ? _raw_spin_lock_irq+0xdb/0x110
[ 429.684315][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 429.689765][ T27] schedule+0x11b/0x1f0
[ 429.693946][ T27] rwsem_down_write_slowpath+0xf0c/0x16a0
[ 429.700011][ T27] ? rwsem_write_trylock+0x210/0x210
[ 429.705319][ T27] ? read_lock_is_recursive+0x10/0x10
[ 429.710940][ T27] ? rwsem_write_trylock+0x166/0x210
[ 429.716250][ T27] ? clear_nonspinnable+0x60/0x60
[ 429.721538][ T27] do_rmdir+0x225/0x670
[ 429.725718][ T27] ? d_delete_notify+0x150/0x150
[ 429.730887][ T27] ? strncpy_from_user+0x209/0x370
[ 429.736035][ T27] __x64_sys_rmdir+0x45/0x50
[ 429.740909][ T27] do_syscall_64+0x3b/0xb0
[ 429.745345][ T27] ? clear_bhb_loop+0x15/0x70
[ 429.750274][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 429.756204][ T27] RIP: 0033:0x7f2337310789
[ 429.760891][ T27] RSP: 002b:00007f23372ac218 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
[ 429.769495][ T27] RAX: ffffffffffffffda RBX: 00007f23373986d8 RCX: 00007f2337310789
[ 429.777703][ T27] RDX: 00007f23372e9ef6 RSI: 0000000000000000 RDI: 00000000200000c0
[ 429.785690][ T27] RBP: 00007f23373986d0 R08: 00007ffc45488117 R09: 0000000000000000
[ 429.793888][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f233736407e
[ 429.802075][ T27] R13: 00007f23373640e0 R14: 0030656c69662f2e R15: 0031656c69662f2e
[ 429.810253][ T27]
[ 429.813340][ T27]
[ 429.813340][ T27] Showing all locks held in the system:
[ 429.821406][ T27] 1 lock held by khungtaskd/27:
[ 429.826277][ T27] #0: ffffffff8cb1fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 429.836088][ T27] 2 locks held by syslogd/3527:
[ 429.841251][ T27] 2 locks held by getty/3922:
[ 429.845940][ T27] #0: ffff88802c2ff098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 429.855986][ T27] #1: ffffc900025ae2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 429.866343][ T27] 3 locks held by syz-executor144/4186:
[ 429.872079][ T27] 2 locks held by syz-executor144/4188:
[ 429.877823][ T27] #0: ffff888148bbc460 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80
[ 429.887010][ T27] #1: ffff8880711282b0 (&sb->s_type->i_mutex_key#15/1){+.+.}-{3:3}, at: do_rmdir+0x225/0x670
[ 429.897595][ T27]
[ 429.899929][ T27] =============================================
[ 429.899929][ T27]
[ 429.908628][ T27] NMI backtrace for cpu 0
[ 429.912974][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 429.920963][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 429.931025][ T27] Call Trace:
[ 429.934311][ T27]
[ 429.937244][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 429.941943][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 429.947588][ T27] ? panic+0x860/0x860
[ 429.951668][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 429.956791][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 429.961734][ T27] ? __wake_up_klogd+0xd5/0x100
[ 429.966599][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 429.972757][ T27] ? _printk+0xd1/0x120
[ 429.976924][ T27] ? panic+0x860/0x860
[ 429.981000][ T27] ? __wake_up_klogd+0xcc/0x100
[ 429.985862][ T27] ? panic+0x860/0x860
[ 429.989949][ T27] ? __rcu_read_unlock+0x92/0x100
[ 429.995344][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 430.001455][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 430.007456][ T27] watchdog+0xe72/0xeb0
[ 430.011728][ T27] kthread+0x3f6/0x4f0
[ 430.015804][ T27] ? hungtask_pm_notify+0x50/0x50
[ 430.020839][ T27] ? kthread_blkcg+0xd0/0xd0
[ 430.025443][ T27] ret_from_fork+0x1f/0x30
[ 430.029883][ T27]
[ 430.033010][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 430.038332][ C1] NMI backtrace for cpu 1
[ 430.038342][ C1] CPU: 1 PID: 4186 Comm: syz-executor144 Not tainted 5.15.173-syzkaller #0
[ 430.038359][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 430.038368][ C1] RIP: 0010:rcu_is_watching+0x56/0xa0
[ 430.038390][ C1] Code: f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 90 22 5f 00 48 c7 c3 c8 b2 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 <84> c0 75 1a 8b 03 65 ff 0d 55 46 97 7e 74 08 24 01 5b 41 5e 41 5f
[ 430.038403][ C1] RSP: 0018:ffffc90002e2f430 EFLAGS: 00000a06
[ 430.038424][ C1] RAX: 0000000000000000 RBX: ffff8880b8f3b2c8 RCX: ffffffff81e580dc
[ 430.038435][ C1] RDX: ffff888027851dc0 RSI: ffffffff8af9ece0 RDI: ffffffff8af9eca0
[ 430.038448][ C1] RBP: 0000000000000001 R08: ffffffff81e58104 R09: fffffbfff1c14b16
[ 430.038459][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880710a51d0
[ 430.038470][ C1] R13: 0000000000000000 R14: ffffffff8c5c9818 R15: dffffc0000000000
[ 430.038482][ C1] FS: 00007f23372cd6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[ 430.038496][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 430.038507][ C1] CR2: 000055c660afea58 CR3: 0000000026ce6000 CR4: 00000000003506e0
[ 430.038521][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 430.038530][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 430.038540][ C1] Call Trace:
[ 430.038545][ C1]
[ 430.038550][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0
[ 430.038568][ C1] ? read_lock_is_recursive+0x10/0x10
[ 430.038587][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 430.038604][ C1] ? unknown_nmi_error+0xd0/0xd0
[ 430.038628][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 430.038645][ C1] ? nmi_handle+0xf7/0x370
[ 430.038663][ C1] ? rcu_is_watching+0x56/0xa0
[ 430.038679][ C1] ? default_do_nmi+0x62/0x150
[ 430.038697][ C1] ? exc_nmi+0xa8/0x100
[ 430.038712][ C1] ? end_repeat_nmi+0x16/0x31
[ 430.038734][ C1] ? touch_buffer+0x84/0x200
[ 430.038751][ C1] ? touch_buffer+0x5c/0x200
[ 430.038768][ C1] ? rcu_is_watching+0x56/0xa0
[ 430.038784][ C1] ? rcu_is_watching+0x56/0xa0
[ 430.038801][ C1] ? rcu_is_watching+0x56/0xa0
[ 430.038817][ C1]
[ 430.038821][ C1]
[ 430.038827][ C1] touch_buffer+0x8d/0x200
[ 430.038845][ C1] __find_get_block+0x2d7/0x1350
[ 430.038863][ C1] ? print_irqtrace_events+0x210/0x210
[ 430.038882][ C1] ? write_boundary_block+0x150/0x150
[ 430.038910][ C1] __getblk_gfp+0x2d/0xaf0
[ 430.038930][ C1] ? exfat_find_location+0x3d0/0x3d0
[ 430.038946][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 430.038965][ C1] __bread_gfp+0x2a/0x390
[ 430.038983][ C1] exfat_get_dentry+0x678/0x970
[ 430.039006][ C1] ? exfat_init_dir_entry+0xab0/0xab0
[ 430.039028][ C1] exfat_iterate+0xc09/0x34a0
[ 430.039062][ C1] ? exfat_check_dir_empty+0x520/0x520
[ 430.039078][ C1] ? lockdep_unlock+0x166/0x300
[ 430.039125][ C1] ? read_lock_is_recursive+0x10/0x10
[ 430.039143][ C1] ? rwsem_write_trylock+0x166/0x210
[ 430.039162][ C1] ? __fdget_pos+0x2cb/0x380
[ 430.039190][ C1] iterate_dir+0x224/0x570
[ 430.039211][ C1] __se_sys_getdents+0x1e8/0x4c0
[ 430.039233][ C1] ? __x64_sys_getdents+0x80/0x80
[ 430.039249][ C1] ? fillonedir+0x4b0/0x4b0
[ 430.039268][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 430.039286][ C1] ? lockdep_hardirqs_on+0x94/0x130
[ 430.039303][ C1] ? syscall_enter_from_user_mode+0x2e/0x240
[ 430.039323][ C1] do_syscall_64+0x3b/0xb0
[ 430.039337][ C1] ? clear_bhb_loop+0x15/0x70
[ 430.039356][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 430.039375][ C1] RIP: 0033:0x7f2337310789
[ 430.039396][ 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
[ 430.039408][ C1] RSP: 002b:00007f23372cd218 EFLAGS: 00000246 ORIG_RAX: 000000000000004e
[ 430.039430][ C1] RAX: ffffffffffffffda RBX: 00007f23373986c8 RCX: 00007f2337310789
[ 430.039441][ C1] RDX: 00000000000000b6 RSI: 0000000020001fc0 RDI: 0000000000000004
[ 430.039451][ C1] RBP: 00007f23373986c0 R08: 0000000000000000 R09: 0000000000000000
[ 430.039461][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f233736407e
[ 430.039471][ C1] R13: 00007f23373640e0 R14: 0030656c69662f2e R15: 0031656c69662f2e
[ 430.039490][ C1]
[ 430.039500][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.164 msecs
[ 430.058339][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 430.058356][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0
[ 430.058378][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 430.058390][ T27] Call Trace:
[ 430.058398][ T27]
[ 430.058407][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 430.058441][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 430.058468][ T27] ? panic+0x860/0x860
[ 430.058501][ T27] panic+0x318/0x860
[ 430.058523][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 430.058547][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 430.058571][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 430.058596][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 430.058624][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 430.058645][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 430.058675][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 430.058701][ T27] watchdog+0xeb0/0xeb0
[ 430.058735][ T27] kthread+0x3f6/0x4f0
[ 430.058756][ T27] ? hungtask_pm_notify+0x50/0x50
[ 430.058778][ T27] ? kthread_blkcg+0xd0/0xd0
[ 430.058801][ T27] ret_from_fork+0x1f/0x30
[ 430.058837][ T27]
[ 430.060234][ T27] Kernel Offset: disabled
[ 430.600925][ T27] Rebooting in 86400 seconds..