[ 81.725577][ T1111] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.0.93' (ED25519) to the list of known hosts.
executing program
[ 82.479612][ T4164] loop0: detected capacity change from 0 to 512
[ 82.576113][ T4164] EXT4-fs (loop0): inline encryption not supported
[ 82.582811][ T4164] EXT4-fs (loop0): Ignoring removed bh option
[ 82.593916][ T4164] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal
executing program
[ 82.708564][ T4166] loop0: detected capacity change from 0 to 512
[ 82.755782][ T4166] EXT4-fs (loop0): inline encryption not supported
[ 82.762339][ T4166] EXT4-fs (loop0): Ignoring removed bh option
[ 82.783747][ T4166] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal
[ 286.523888][ T27] INFO: task syz-executor376:4166 blocked for more than 143 seconds.
[ 286.532240][ T27] Not tainted 5.15.178-syzkaller #0
[ 286.538047][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.546777][ T27] task:syz-executor376 state:D stack:25816 pid: 4166 ppid: 4163 flags:0x00004006
[ 286.556200][ T27] Call Trace:
[ 286.559518][ T27]
[ 286.562459][ T27] __schedule+0x12c4/0x45b0
[ 286.567053][ T27] ? update_curr+0x47e/0xa50
[ 286.571690][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.577673][ T27] schedule+0x11b/0x1f0
[ 286.581889][ T27] schedule_timeout+0xac/0x300
[ 286.586723][ T27] ? console_conditional_schedule+0x40/0x40
[ 286.592727][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.599009][ T27] ? do_raw_spin_unlock+0x137/0x8b0
[ 286.604282][ T27] ? _raw_spin_unlock_irq+0x1f/0x40
[ 286.609506][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 286.614783][ T27] do_wait_for_common+0x2d9/0x480
[ 286.619837][ T27] ? console_conditional_schedule+0x40/0x40
[ 286.625807][ T27] ? wait_for_completion_killable_timeout+0x60/0x60
[ 286.632439][ T27] ? _raw_spin_lock_irq+0xdb/0x110
[ 286.637623][ T27] wait_for_completion+0x48/0x60
[ 286.642582][ T27] kthread_stop+0x178/0x580
[ 286.647151][ T27] ext4_stop_mmpd+0x43/0xb0
[ 286.651678][ T27] ext4_fill_super+0x6d67/0xa110
[ 286.656723][ T27] ? ext4_mount+0x40/0x40
[ 286.661065][ T27] ? vscnprintf+0x80/0x80
[ 286.665441][ T27] ? set_blocksize+0x1ec/0x370
[ 286.670230][ T27] mount_bdev+0x2c9/0x3f0
[ 286.674626][ T27] ? ext4_mount+0x40/0x40
[ 286.678972][ T27] legacy_get_tree+0xeb/0x180
[ 286.683717][ T27] ? ext4_errno_to_code+0x140/0x140
[ 286.688935][ T27] vfs_get_tree+0x88/0x270
[ 286.693410][ T27] do_new_mount+0x2ba/0xb40
[ 286.697933][ T27] ? do_move_mount_old+0x160/0x160
[ 286.703114][ T27] ? user_path_at_empty+0x12b/0x180
[ 286.708344][ T27] __se_sys_mount+0x2d5/0x3c0
[ 286.713077][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 286.717878][ T27] ? syscall_enter_from_user_mode+0x2e/0x240
[ 286.723948][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 286.729194][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 286.734027][ T27] do_syscall_64+0x3b/0xb0
[ 286.738462][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.743190][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.749125][ T27] RIP: 0033:0x7f84d7eb47fa
[ 286.753624][ T27] RSP: 002b:00007ffd761a66b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 286.762079][ T27] RAX: ffffffffffffffda RBX: 00007ffd761a66d0 RCX: 00007f84d7eb47fa
[ 286.770139][ T27] RDX: 0000400000000040 RSI: 0000400000000000 RDI: 00007ffd761a66d0
[ 286.778188][ T27] RBP: 0000400000000040 R08: 00007ffd761a6710 R09: 00007ffd761a6710
[ 286.786212][ T27] R10: 0000000003010008 R11: 0000000000000206 R12: 0000400000000000
[ 286.794236][ T27] R13: 00007ffd761a6710 R14: 0000000000000003 R15: 0000000003010008
[ 286.802401][ T27]
[ 286.805621][ T27]
[ 286.805621][ T27] Showing all locks held in the system:
[ 286.813402][ T27] 1 lock held by khungtaskd/27:
[ 286.818272][ T27] #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.827692][ T27] 2 locks held by getty/3933:
[ 286.832403][ T27] #0: ffff88807ec58098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.842238][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.852452][ T27] 1 lock held by syz-executor376/4166:
[ 286.857957][ T27] #0: ffff8880274960e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940
[ 286.868112][ T27]
[ 286.870465][ T27] =============================================
[ 286.870465][ T27]
[ 286.878926][ T27] NMI backtrace for cpu 1
[ 286.883272][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0
[ 286.891265][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 286.901397][ T27] Call Trace:
[ 286.904688][ T27]
[ 286.907611][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.912286][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.917911][ T27] ? panic+0x860/0x860
[ 286.921974][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.927079][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.932006][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.936855][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.943033][ T27] ? _printk+0xd1/0x120
[ 286.947184][ T27] ? panic+0x860/0x860
[ 286.951245][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.956100][ T27] ? panic+0x860/0x860
[ 286.960276][ T27] ? wq_watchdog_touch+0xeb/0x170
[ 286.965315][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.971378][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.977356][ T27] watchdog+0xe72/0xeb0
[ 286.981514][ T27] kthread+0x3f6/0x4f0
[ 286.985574][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.990613][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.995208][ T27] ret_from_fork+0x1f/0x30
[ 286.999664][ T27]
[ 287.002821][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 287.008127][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 287.009113][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.024620][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0
[ 287.032589][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 287.042654][ T27] Call Trace:
[ 287.045927][ T27]
[ 287.048880][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 287.053558][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 287.059185][ T27] ? panic+0x860/0x860
[ 287.063285][ T27] panic+0x318/0x860
[ 287.067196][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 287.073369][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 287.078580][ T27] ? panic+0x860/0x860
[ 287.082728][ T27] ? irq_work_queue+0xcd/0x150
[ 287.087489][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.093554][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.099611][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 287.105687][ T27] ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0
[ 287.111854][ T27] watchdog+0xeb0/0xeb0
[ 287.116032][ T27] kthread+0x3f6/0x4f0
[ 287.120096][ T27] ? hungtask_pm_notify+0x50/0x50
[ 287.125114][ T27] ? kthread_blkcg+0xd0/0xd0
[ 287.129717][ T27] ret_from_fork+0x1f/0x30
[ 287.134133][ T27]
[ 287.137454][ T27] Kernel Offset: disabled
[ 287.141793][ T27] Rebooting in 86400 seconds..