Warning: Permanently added '10.128.1.136' (ED25519) to the list of known hosts.
executing program
[ 123.062987][ T4180] loop0: detected capacity change from 0 to 512
[ 123.152409][ T4180] EXT4-fs (loop0): inline encryption not supported
[ 123.159203][ T4180] EXT4-fs (loop0): Ignoring removed bh option
[ 123.170517][ T4180] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal
executing program
[ 123.304169][ T4183] loop0: detected capacity change from 0 to 512
[ 123.401178][ T4183] EXT4-fs (loop0): inline encryption not supported
[ 123.407866][ T4183] EXT4-fs (loop0): Ignoring removed bh option
[ 123.421718][ T4183] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal
[ 286.550355][ T27] INFO: task syz-executor917:4183 blocked for more than 143 seconds.
[ 286.558541][ T27] Not tainted 5.15.178-syzkaller #0
[ 286.564364][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.573107][ T27] task:syz-executor917 state:D stack:25520 pid: 4183 ppid: 4179 flags:0x00004006
[ 286.582400][ T27] Call Trace:
[ 286.585690][ T27]
[ 286.588632][ T27] __schedule+0x12c4/0x45b0
[ 286.593206][ T27] ? __switch_to_asm+0x34/0x60
[ 286.597997][ T27] ? __schedule+0x12cc/0x45b0
[ 286.602753][ T27] ? update_curr+0x47e/0xa50
[ 286.607378][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.613342][ T27] schedule+0x11b/0x1f0
[ 286.617515][ T27] schedule_timeout+0xac/0x300
[ 286.622343][ T27] ? console_conditional_schedule+0x40/0x40
[ 286.628253][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.634286][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 286.639605][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 286.644817][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 286.650238][ T27] do_wait_for_common+0x2d9/0x480
[ 286.655304][ T27] ? console_conditional_schedule+0x40/0x40
[ 286.661298][ T27] ? wait_for_completion_killable_timeout+0x60/0x60
[ 286.667916][ T27] ? _raw_spin_lock_irq+0xdb/0x110
[ 286.673134][ T27] wait_for_completion+0x48/0x60
[ 286.678099][ T27] kthread_stop+0x178/0x580
[ 286.682762][ T27] ext4_stop_mmpd+0x43/0xb0
[ 286.687305][ T27] ext4_fill_super+0x6d67/0xa110
[ 286.692331][ T27] ? ext4_mount+0x40/0x40
[ 286.696824][ T27] ? vscnprintf+0x80/0x80
[ 286.701266][ T27] ? set_blocksize+0x1ec/0x370
[ 286.706072][ T27] mount_bdev+0x2c9/0x3f0
[ 286.710472][ T27] ? ext4_mount+0x40/0x40
[ 286.714828][ T27] legacy_get_tree+0xeb/0x180
[ 286.719616][ T27] ? ext4_errno_to_code+0x140/0x140
[ 286.724860][ T27] vfs_get_tree+0x88/0x270
[ 286.729335][ T27] do_new_mount+0x2ba/0xb40
[ 286.733927][ T27] ? do_move_mount_old+0x160/0x160
[ 286.739074][ T27] ? user_path_at_empty+0x12b/0x180
[ 286.744356][ T27] __se_sys_mount+0x2d5/0x3c0
[ 286.749059][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 286.753899][ T27] ? syscall_enter_from_user_mode+0x2e/0x240
[ 286.759953][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 286.765160][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 286.769988][ T27] do_syscall_64+0x3b/0xb0
[ 286.774559][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.779248][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.785243][ T27] RIP: 0033:0x7f060b6950fa
[ 286.789794][ T27] RSP: 002b:00007ffc024b3a78 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
[ 286.798218][ T27] RAX: ffffffffffffffda RBX: 00007ffc024b3a90 RCX: 00007f060b6950fa
[ 286.806425][ T27] RDX: 0000400000000040 RSI: 0000400000000000 RDI: 00007ffc024b3a90
[ 286.814460][ T27] RBP: 0000400000000040 R08: 00007ffc024b3ad0 R09: 00007ffc024b3ad0
[ 286.822516][ T27] R10: 0000000003010008 R11: 0000000000000202 R12: 0000400000000000
[ 286.830541][ T27] R13: 00007ffc024b3ad0 R14: 0000000000000003 R15: 0000000003010008
[ 286.838533][ T27]
[ 286.841739][ T27]
[ 286.841739][ T27] Showing all locks held in the system:
[ 286.849470][ T27] 1 lock held by khungtaskd/27:
[ 286.854428][ T27] #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.863887][ T27] 2 locks held by getty/3926:
[ 286.868559][ T27] #0: ffff88802cf4d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.878440][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.888858][ T27] 1 lock held by syz-executor917/4183:
[ 286.894372][ T27] #0: ffff88807a8760e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940
[ 286.904792][ T27]
[ 286.907141][ T27] =============================================
[ 286.907141][ T27]
[ 286.915628][ T27] NMI backtrace for cpu 0
[ 286.920004][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0
[ 286.928107][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 286.938181][ T27] Call Trace:
[ 286.941475][ T27]
[ 286.944423][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.949097][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.954815][ T27] ? panic+0x860/0x860
[ 286.958877][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.963991][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.968916][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.973758][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.979898][ T27] ? _printk+0xd1/0x120
[ 286.984137][ T27] ? panic+0x860/0x860
[ 286.988197][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.993063][ T27] ? panic+0x860/0x860
[ 286.997122][ T27] ? wq_watchdog_touch+0xeb/0x170
[ 287.002139][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.008198][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 287.014256][ T27] watchdog+0xe72/0xeb0
[ 287.018407][ T27] kthread+0x3f6/0x4f0
[ 287.022460][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.027471][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.032050][ T27] ret_from_fork+0x1f/0x30
[ 287.036668][ T27]
[ 287.039926][ T27] Sending NMI from CPU 0 to CPUs 1:
[ 287.045162][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 287.046323][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.060892][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0
[ 287.068867][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 287.078925][ T27] Call Trace:
[ 287.082213][ T27]
[ 287.085153][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 287.089841][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 287.095464][ T27] ? panic+0x860/0x860
[ 287.099545][ T27] panic+0x318/0x860
[ 287.103451][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 287.109519][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.115848][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 287.121056][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.127130][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.133399][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 287.139566][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 287.145821][ T27] watchdog+0xeb0/0xeb0
[ 287.149990][ T27] kthread+0x3f6/0x4f0
[ 287.154057][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.159080][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.163666][ T27] ret_from_fork+0x1f/0x30
[ 287.168118][ T27]
[ 287.171434][ T27] Kernel Offset: disabled
[ 287.175765][ T27] Rebooting in 86400 seconds..