Warning: Permanently added '10.128.0.108' (ED25519) to the list of known hosts. executing program [ 83.306437][ T4167] loop0: detected capacity change from 0 to 512 [ 83.426796][ T4167] EXT4-fs (loop0): inline encryption not supported [ 83.433503][ T4167] EXT4-fs (loop0): Ignoring removed bh option [ 83.455631][ T4167] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 83.572774][ T4169] loop0: detected capacity change from 0 to 512 [ 83.675677][ T4169] EXT4-fs (loop0): inline encryption not supported [ 83.682224][ T4169] EXT4-fs (loop0): Ignoring removed bh option [ 83.705455][ T4169] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 83.826375][ T4171] loop0: detected capacity change from 0 to 512 [ 83.915788][ T4171] EXT4-fs (loop0): inline encryption not supported [ 83.922431][ T4171] EXT4-fs (loop0): Ignoring removed bh option [ 83.934883][ T4171] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 84.021323][ T4173] loop0: detected capacity change from 0 to 512 [ 84.105771][ T4173] EXT4-fs (loop0): inline encryption not supported [ 84.112336][ T4173] EXT4-fs (loop0): Ignoring removed bh option [ 84.125022][ T4173] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 84.248727][ T4175] loop0: detected capacity change from 0 to 512 [ 84.256831][ T4175] EXT4-fs (loop0): inline encryption not supported [ 84.263379][ T4175] EXT4-fs (loop0): Ignoring removed bh option [ 84.275162][ T4175] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 84.381134][ T4177] loop0: detected capacity change from 0 to 512 [ 84.465755][ T4177] EXT4-fs (loop0): inline encryption not supported [ 84.472302][ T4177] EXT4-fs (loop0): Ignoring removed bh option [ 84.484894][ T4177] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 84.588709][ T4179] loop0: detected capacity change from 0 to 512 [ 84.598119][ T4179] EXT4-fs (loop0): inline encryption not supported [ 84.605766][ T4179] EXT4-fs (loop0): Ignoring removed bh option [ 84.616022][ T4179] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 84.725060][ T4181] loop0: detected capacity change from 0 to 512 [ 84.734921][ T4181] EXT4-fs (loop0): inline encryption not supported [ 84.741476][ T4181] EXT4-fs (loop0): Ignoring removed bh option [ 84.756567][ T4181] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 84.862458][ T4183] loop0: detected capacity change from 0 to 512 [ 84.945694][ T4183] EXT4-fs (loop0): inline encryption not supported [ 84.952240][ T4183] EXT4-fs (loop0): Ignoring removed bh option [ 84.964781][ T4183] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal executing program [ 85.105219][ T4185] loop0: detected capacity change from 0 to 512 [ 85.114160][ T4185] EXT4-fs (loop0): inline encryption not supported [ 85.121688][ T4185] EXT4-fs (loop0): Ignoring removed bh option [ 85.144824][ T4185] EXT4-fs (loop0): can't mount with data=, fs mounted w/o journal [ 286.356454][ T27] INFO: task syz-executor267:4185 blocked for more than 143 seconds. [ 286.364921][ T27] Not tainted 5.15.178-syzkaller #0 [ 286.370628][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.379325][ T27] task:syz-executor267 state:D stack:25232 pid: 4185 ppid: 4166 flags:0x00004006 [ 286.388599][ T27] Call Trace: [ 286.391867][ T27] [ 286.394818][ T27] __schedule+0x12c4/0x45b0 [ 286.399353][ T27] ? update_curr+0x47e/0xa50 [ 286.403930][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.409860][ T27] schedule+0x11b/0x1f0 [ 286.414022][ T27] schedule_timeout+0xac/0x300 [ 286.418816][ T27] ? console_conditional_schedule+0x40/0x40 [ 286.424758][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.430815][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 286.436048][ T27] ? _raw_spin_unlock_irq+0x1f/0x40 [ 286.441245][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.446475][ T27] do_wait_for_common+0x2d9/0x480 [ 286.451511][ T27] ? console_conditional_schedule+0x40/0x40 [ 286.457447][ T27] ? wait_for_completion_killable_timeout+0x60/0x60 [ 286.464038][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 286.469200][ T27] wait_for_completion+0x48/0x60 [ 286.474162][ T27] kthread_stop+0x178/0x580 [ 286.478733][ T27] ext4_stop_mmpd+0x43/0xb0 [ 286.483381][ T27] ext4_fill_super+0x6d67/0xa110 [ 286.488407][ T27] ? ext4_mount+0x40/0x40 [ 286.492733][ T27] ? vscnprintf+0x80/0x80 [ 286.497095][ T27] ? set_blocksize+0x1ec/0x370 [ 286.501879][ T27] mount_bdev+0x2c9/0x3f0 [ 286.506320][ T27] ? ext4_mount+0x40/0x40 [ 286.510648][ T27] legacy_get_tree+0xeb/0x180 [ 286.515377][ T27] ? ext4_errno_to_code+0x140/0x140 [ 286.520590][ T27] vfs_get_tree+0x88/0x270 [ 286.525039][ T27] do_new_mount+0x2ba/0xb40 [ 286.529656][ T27] ? do_move_mount_old+0x160/0x160 [ 286.534801][ T27] ? user_path_at_empty+0x12b/0x180 [ 286.540348][ T27] __se_sys_mount+0x2d5/0x3c0 [ 286.545067][ T27] ? __x64_sys_mount+0xc0/0xc0 [ 286.549849][ T27] ? syscall_enter_from_user_mode+0x2e/0x240 [ 286.555852][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.561075][ T27] ? __x64_sys_mount+0x1c/0xc0 [ 286.565887][ T27] do_syscall_64+0x3b/0xb0 [ 286.570305][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.575005][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.580911][ T27] RIP: 0033:0x7f7487a8f13a [ 286.586227][ T27] RSP: 002b:00007ffc2f12df98 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 [ 286.594696][ T27] RAX: ffffffffffffffda RBX: 00007ffc2f12dfb0 RCX: 00007f7487a8f13a [ 286.602648][ T27] RDX: 0000400000000040 RSI: 0000400000000000 RDI: 00007ffc2f12dfb0 [ 286.610662][ T27] RBP: 0000400000000040 R08: 00007ffc2f12dff0 R09: 00007ffc2f12dff0 [ 286.618665][ T27] R10: 0000000003010008 R11: 0000000000000206 R12: 0000400000000000 [ 286.626657][ T27] R13: 00007ffc2f12dff0 R14: 0000000000000003 R15: 0000000003010008 [ 286.634755][ T27] [ 286.637776][ T27] [ 286.637776][ T27] Showing all locks held in the system: [ 286.645534][ T27] 1 lock held by khungtaskd/27: [ 286.650392][ T27] #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.659870][ T27] 2 locks held by getty/3935: [ 286.664581][ T27] #0: ffff88802ccb6098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.674343][ T27] #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 286.684483][ T27] 1 lock held by syz-executor267/4185: [ 286.690009][ T27] #0: ffff8880261ea0e0 (&type->s_umount_key#28/1){+.+.}-{3:3}, at: alloc_super+0x210/0x940 [ 286.700139][ T27] [ 286.702455][ T27] ============================================= [ 286.702455][ T27] [ 286.710889][ T27] NMI backtrace for cpu 0 [ 286.715233][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0 [ 286.723192][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 286.733335][ T27] Call Trace: [ 286.736596][ T27] [ 286.739506][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.744178][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.749791][ T27] ? panic+0x860/0x860 [ 286.753845][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 286.758932][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 286.763875][ T27] ? __wake_up_klogd+0xd5/0x100 [ 286.768709][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.774835][ T27] ? _printk+0xd1/0x120 [ 286.778968][ T27] ? panic+0x860/0x860 [ 286.783019][ T27] ? __wake_up_klogd+0xcc/0x100 [ 286.787846][ T27] ? panic+0x860/0x860 [ 286.791893][ T27] ? wq_watchdog_touch+0xeb/0x170 [ 286.796898][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.802943][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 286.808902][ T27] watchdog+0xe72/0xeb0 [ 286.813073][ T27] kthread+0x3f6/0x4f0 [ 286.817134][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.822141][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.826718][ T27] ret_from_fork+0x1f/0x30 [ 286.831126][ T27] [ 286.834220][ T27] Sending NMI from CPU 0 to CPUs 1: [ 286.839615][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 286.840669][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.856149][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.178-syzkaller #0 [ 286.864110][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 286.874161][ T27] Call Trace: [ 286.877426][ T27] [ 286.880337][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.884994][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.890601][ T27] ? panic+0x860/0x860 [ 286.894650][ T27] panic+0x318/0x860 [ 286.898553][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 286.904183][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.910341][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 286.915526][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.921672][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.927818][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 286.933965][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 286.940098][ T27] watchdog+0xeb0/0xeb0 [ 286.944266][ T27] kthread+0x3f6/0x4f0 [ 286.948310][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.953307][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.957874][ T27] ret_from_fork+0x1f/0x30 [ 286.962298][ T27] [ 286.965595][ T27] Kernel Offset: disabled [ 286.969911][ T27] Rebooting in 86400 seconds..