Warning: Permanently added '10.128.10.35' (ED25519) to the list of known hosts. executing program [ 123.141374][ T4181] loop0: detected capacity change from 0 to 512 [ 123.211554][ T4181] EXT4-fs (loop0): inline encryption not supported [ 123.218109][ T4181] EXT4-fs (loop0): Ignoring removed bh option [ 123.240543][ T4181] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 123.338189][ T4184] loop0: detected capacity change from 0 to 512 [ 123.346753][ T4184] EXT4-fs (loop0): inline encryption not supported [ 123.353624][ T4184] EXT4-fs (loop0): Ignoring removed bh option [ 123.370204][ T4184] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 123.489282][ T4186] loop0: detected capacity change from 0 to 512 [ 123.570387][ T4186] EXT4-fs (loop0): inline encryption not supported [ 123.576949][ T4186] EXT4-fs (loop0): Ignoring removed bh option [ 123.599579][ T4186] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 123.695267][ T4188] loop0: detected capacity change from 0 to 512 [ 123.704206][ T4188] EXT4-fs (loop0): inline encryption not supported [ 123.711021][ T4188] EXT4-fs (loop0): Ignoring removed bh option [ 123.719860][ T4188] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal [ 286.379481][ T27] INFO: task syz-executor118:4188 blocked for more than 143 seconds. [ 286.388092][ T27] Not tainted 5.15.178-syzkaller #0 [ 286.393977][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.402730][ T27] task:syz-executor118 state:D stack:25440 pid: 4188 ppid: 4180 flags:0x00004006 [ 286.412076][ T27] Call Trace: [ 286.415371][ T27] [ 286.418306][ T27] __schedule+0x12c4/0x45b0 [ 286.422890][ T27] ? __lock_acquire+0x1295/0x1ff0 [ 286.427956][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.433942][ T27] schedule+0x11b/0x1f0 [ 286.438119][ T27] schedule_timeout+0xac/0x300 [ 286.442946][ T27] ? console_conditional_schedule+0x40/0x40 [ 286.448896][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.454887][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 286.460126][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.465500][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.470764][ T27] do_wait_for_common+0x2d9/0x480 [ 286.475833][ T27] ? console_conditional_schedule+0x40/0x40 [ 286.481776][ T27] ? wait_for_completion_killable_timeout+0x60/0x60 [ 286.488381][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 286.493562][ T27] wait_for_completion+0x48/0x60 [ 286.498518][ T27] kthread_stop+0x178/0x580 [ 286.503087][ T27] ext4_stop_mmpd+0x43/0xb0 [ 286.507699][ T27] ext4_fill_super+0x6d67/0xa110 [ 286.512810][ T27] ? ext4_mount+0x40/0x40 [ 286.517175][ T27] ? vscnprintf+0x80/0x80 [ 286.521557][ T27] ? set_blocksize+0x1ec/0x370 [ 286.526352][ T27] mount_bdev+0x2c9/0x3f0 [ 286.530817][ T27] ? ext4_mount+0x40/0x40 [ 286.535165][ T27] legacy_get_tree+0xeb/0x180 [ 286.539909][ T27] ? ext4_errno_to_code+0x140/0x140 [ 286.545124][ T27] vfs_get_tree+0x88/0x270 [ 286.549622][ T27] do_new_mount+0x2ba/0xb40 [ 286.554154][ T27] ? do_move_mount_old+0x160/0x160 [ 286.559427][ T27] ? user_path_at_empty+0x12b/0x180 [ 286.564680][ T27] __se_sys_mount+0x2d5/0x3c0 [ 286.569419][ T27] ? __x64_sys_mount+0xc0/0xc0 [ 286.574232][ T27] ? syscall_enter_from_user_mode+0x2e/0x240 [ 286.580261][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.585484][ T27] ? __x64_sys_mount+0x1c/0xc0 [ 286.590309][ T27] do_syscall_64+0x3b/0xb0 [ 286.594745][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.599557][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.605471][ T27] RIP: 0033:0x7fa23f5d90fa [ 286.609953][ T27] RSP: 002b:00007ffda37d39e8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 286.618383][ T27] RAX: ffffffffffffffda RBX: 00007ffda37d3a00 RCX: 00007fa23f5d90fa [ 286.626415][ T27] RDX: 0000400000000040 RSI: 0000400000000000 RDI: 00007ffda37d3a00 [ 286.634447][ T27] RBP: 0000400000000040 R08: 00007ffda37d3a40 R09: 00007ffda37d3a40 [ 286.642468][ T27] R10: 0000000003010008 R11: 0000000000000202 R12: 0000400000000000 [ 286.650486][ T27] R13: 00007ffda37d3a40 R14: 0000000000000003 R15: 0000000003010008 [ 286.658487][ T27] [ 286.661596][ T27] [ 286.661596][ T27] Showing all locks held in the system: [ 286.669346][ T27] 1 lock held by khungtaskd/27: [ 286.674188][ T27] #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.683593][ T27] 2 locks held by getty/3928: [ 286.688312][ T27] #0: ffff88814cb82098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.698145][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 286.708507][ T27] 1 lock held by syz-executor118/4188: [ 286.714001][ T27] #0: ffff88807d5160e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940 [ 286.724202][ T27] [ 286.726524][ T27] ============================================= [ 286.726524][ T27] [ 286.734957][ T27] NMI backtrace for cpu 0 [ 286.739303][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0 [ 286.747276][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 286.757342][ T27] Call Trace: [ 286.760720][ T27] [ 286.763642][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.768608][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.774411][ T27] ? panic+0x860/0x860 [ 286.778486][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 286.783596][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 286.788582][ T27] ? __wake_up_klogd+0xd5/0x100 [ 286.793443][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.799592][ T27] ? _printk+0xd1/0x120 [ 286.803739][ T27] ? panic+0x860/0x860 [ 286.808145][ T27] ? __wake_up_klogd+0xcc/0x100 [ 286.812987][ T27] ? panic+0x860/0x860 [ 286.817051][ T27] ? wq_watchdog_touch+0xeb/0x170 [ 286.822068][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.828126][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 286.834100][ T27] watchdog+0xe72/0xeb0 [ 286.838271][ T27] kthread+0x3f6/0x4f0 [ 286.842331][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.847350][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.851950][ T27] ret_from_fork+0x1f/0x30 [ 286.856376][ T27] [ 286.859493][ T27] Sending NMI from CPU 0 to CPUs 1: [ 286.864748][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 286.865801][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.881327][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0 [ 286.889307][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 286.899362][ T27] Call Trace: [ 286.902635][ T27] [ 286.905558][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.910312][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.915972][ T27] ? panic+0x860/0x860 [ 286.920056][ T27] panic+0x318/0x860 [ 286.923953][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 286.929582][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.935725][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 286.940917][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.946982][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.953152][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 286.959321][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 286.965492][ T27] watchdog+0xeb0/0xeb0 [ 286.969738][ T27] kthread+0x3f6/0x4f0 [ 286.973833][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.978853][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.983437][ T27] ret_from_fork+0x1f/0x30 [ 286.987857][ T27] [ 286.991187][ T27] Kernel Offset: disabled [ 286.995549][ T27] Rebooting in 86400 seconds..