Warning: Permanently added '10.128.0.93' (ED25519) to the list of known hosts.
executing program
[ 81.456169][ T1110] cfg80211: failed to load regulatory.db
[ 89.133900][ T263] block nbd0: Possible stuck request ffff888021138000: control (read@8192,512B). Runtime 30 seconds
[ 119.213826][ T263] block nbd0: Possible stuck request ffff888021138000: control (read@8192,512B). Runtime 60 seconds
[ 149.293756][ T263] block nbd0: Possible stuck request ffff888021138000: control (read@8192,512B). Runtime 90 seconds
[ 179.373755][ T263] block nbd0: Possible stuck request ffff888021138000: control (read@8192,512B). Runtime 120 seconds
[ 209.453756][ T263] block nbd0: Possible stuck request ffff888021138000: control (read@8192,512B). Runtime 150 seconds
[ 239.534156][ T263] block nbd0: Possible stuck request ffff888021138000: control (read@8192,512B). Runtime 180 seconds
[ 269.613739][ T263] block nbd0: Possible stuck request ffff888021138000: control (read@8192,512B). Runtime 210 seconds
[ 286.254900][ T27] INFO: task syz-executor276:4163 blocked for more than 143 seconds.
[ 286.263096][ T27] Not tainted 5.15.175-syzkaller #0
[ 286.268983][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.277741][ T27] task:syz-executor276 state:D stack:26144 pid: 4163 ppid: 4162 flags:0x00004006
[ 286.287072][ T27] Call Trace:
[ 286.290358][ T27]
[ 286.293304][ T27] __schedule+0x12c4/0x45b0
[ 286.297901][ T27] ? preempt_schedule+0xd9/0xe0
[ 286.302764][ T27] ? preempt_schedule_common+0xa6/0xd0
[ 286.308294][ T27] ? preempt_schedule+0xd9/0xe0
[ 286.313177][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 286.319268][ T27] ? release_firmware_map_entry+0x190/0x190
[ 286.325228][ T27] schedule+0x11b/0x1f0
[ 286.329404][ T27] io_schedule+0x88/0x100
[ 286.334011][ T27] bit_wait_io+0xe/0xc0
[ 286.338186][ T27] __wait_on_bit+0xb9/0x180
[ 286.342691][ T27] ? bit_wait+0xc0/0xc0
[ 286.346906][ T27] out_of_line_wait_on_bit+0x1d0/0x250
[ 286.352389][ T27] ? bit_wait+0xc0/0xc0
[ 286.356592][ T27] ? __wait_on_bit+0x180/0x180
[ 286.361481][ T27] ? submit_bio+0x2dd/0x560
[ 286.366046][ T27] ? bit_waitqueue+0x30/0x30
[ 286.370655][ T27] __bread_gfp+0x2d6/0x390
[ 286.375200][ T27] qnx6_check_first_superblock+0xa2/0x320
[ 286.380969][ T27] qnx6_fill_super+0x349/0x19c0
[ 286.385930][ T27] ? ptr_to_hashval+0x60/0x60
[ 286.390630][ T27] ? snprintf+0xd6/0x120
[ 286.394934][ T27] ? qnx6_mount+0x40/0x40
[ 286.399289][ T27] ? set_blocksize+0x1ec/0x370
[ 286.404123][ T27] mount_bdev+0x2c9/0x3f0
[ 286.408471][ T27] ? qnx6_mount+0x40/0x40
[ 286.412803][ T27] legacy_get_tree+0xeb/0x180
[ 286.417626][ T27] ? qnx6_get_block+0x720/0x720
[ 286.422586][ T27] vfs_get_tree+0x88/0x270
[ 286.427162][ T27] do_new_mount+0x2ba/0xb40
[ 286.431689][ T27] ? do_move_mount_old+0x160/0x160
[ 286.436878][ T27] ? user_path_at_empty+0x12b/0x180
[ 286.442103][ T27] __se_sys_mount+0x2d5/0x3c0
[ 286.446844][ T27] ? __x64_sys_mount+0xc0/0xc0
[ 286.451620][ T27] ? syscall_enter_from_user_mode+0x2e/0x240
[ 286.457643][ T27] ? lockdep_hardirqs_on+0x94/0x130
[ 286.462872][ T27] ? __x64_sys_mount+0x1c/0xc0
[ 286.467730][ T27] do_syscall_64+0x3b/0xb0
[ 286.472211][ T27] ? clear_bhb_loop+0x15/0x70
[ 286.476966][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0
[ 286.482884][ T27] RIP: 0033:0x7f05b8354939
[ 286.487373][ T27] RSP: 002b:00007ffe6f505d78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 286.495878][ T27] RAX: ffffffffffffffda RBX: 00007f05b839d078 RCX: 00007f05b8354939
[ 286.503916][ T27] RDX: 0000000020000580 RSI: 0000000020000480 RDI: 0000000020000440
[ 286.511907][ T27] RBP: 00007f05b83c75f0 R08: 0000000000000000 R09: 0000000000000006
[ 286.519978][ T27] R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000001
[ 286.528026][ T27] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
[ 286.536057][ T27]
[ 286.539100][ T27]
[ 286.539100][ T27] Showing all locks held in the system:
[ 286.546903][ T27] 1 lock held by khungtaskd/27:
[ 286.551783][ T27] #0: ffffffff8cb1fd20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 286.561227][ T27] 2 locks held by getty/3926:
[ 286.565954][ T27] #0: ffff88802c433098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 286.575750][ T27] #1: ffffc900026362e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[ 286.585915][ T27] 1 lock held by syz-executor276/4163:
[ 286.591372][ T27] #0: ffff888078f740e0 (&type->s_umount_key#42/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940
[ 286.601577][ T27]
[ 286.603950][ T27] =============================================
[ 286.603950][ T27]
[ 286.612347][ T27] NMI backtrace for cpu 1
[ 286.616670][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.175-syzkaller #0
[ 286.624647][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.634711][ T27] Call Trace:
[ 286.637981][ T27]
[ 286.640918][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.645585][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.651200][ T27] ? panic+0x860/0x860
[ 286.655259][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0
[ 286.660518][ T27] nmi_cpu_backtrace+0x46a/0x4a0
[ 286.665459][ T27] ? __wake_up_klogd+0xd5/0x100
[ 286.670304][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[ 286.676453][ T27] ? _printk+0xd1/0x120
[ 286.680611][ T27] ? panic+0x860/0x860
[ 286.684670][ T27] ? __wake_up_klogd+0xcc/0x100
[ 286.689508][ T27] ? panic+0x860/0x860
[ 286.693656][ T27] ? wq_watchdog_touch+0xeb/0x170
[ 286.698671][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.704729][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0
[ 286.710693][ T27] watchdog+0xe72/0xeb0
[ 286.714863][ T27] kthread+0x3f6/0x4f0
[ 286.718925][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.723940][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.728519][ T27] ret_from_fork+0x1f/0x30
[ 286.732963][ T27]
[ 286.736128][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 286.741409][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[ 286.743957][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 286.758058][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.175-syzkaller #0
[ 286.766027][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 286.776082][ T27] Call Trace:
[ 286.779390][ T27]
[ 286.782316][ T27] dump_stack_lvl+0x1e3/0x2d0
[ 286.786996][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[ 286.792797][ T27] ? panic+0x860/0x860
[ 286.796869][ T27] panic+0x318/0x860
[ 286.800768][ T27] ? schedule_preempt_disabled+0x20/0x20
[ 286.806387][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.812602][ T27] ? fb_is_primary_device+0xd0/0xd0
[ 286.817817][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 286.823921][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[ 286.830071][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[ 286.836228][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[ 286.842386][ T27] watchdog+0xeb0/0xeb0
[ 286.846570][ T27] kthread+0x3f6/0x4f0
[ 286.850629][ T27] ? hungtask_pm_notify+0x50/0x50
[ 286.855643][ T27] ? kthread_blkcg+0xd0/0xd0
[ 286.860226][ T27] ret_from_fork+0x1f/0x30
[ 286.864641][ T27]
[ 286.867972][ T27] Kernel Offset: disabled
[ 286.872304][ T27] Rebooting in 86400 seconds..