Warning: Permanently added '10.128.0.144' (ED25519) to the list of known hosts. executing program [ 132.622194][ T3584] loop0: detected capacity change from 0 to 16 [ 132.672624][ T3584] erofs: (device loop0): mounted with root inode @ nid 36. [ 132.689439][ T3584] attempt to access beyond end of device [ 132.689439][ T3584] loop0: rw=0, want=40, limit=16 [ 132.707026][ T3584] erofs: (device loop0): z_erofs_readahead: readahead error at page 3599 @ nid 36 [ 286.190212][ T27] INFO: task syz-executor318:3584 blocked for more than 143 seconds. [ 286.198359][ T27] Not tainted 5.15.168-syzkaller #0 [ 286.204104][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.212812][ T27] task:syz-executor318 state:D stack:22488 pid: 3584 ppid: 3582 flags:0x00004006 [ 286.222068][ T27] Call Trace: [ 286.225348][ T27] [ 286.228268][ T27] __schedule+0x12c4/0x45b0 [ 286.232904][ T27] ? blk_flush_plug_list+0x452/0x490 [ 286.238194][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.244266][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.250306][ T27] ? blk_check_plugged+0x250/0x250 [ 286.255416][ T27] ? print_irqtrace_events+0x210/0x210 [ 286.260890][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 286.266000][ T27] schedule+0x11b/0x1f0 [ 286.270184][ T27] io_schedule+0x88/0x100 [ 286.274510][ T27] wait_on_page_bit_common+0xa13/0x1180 [ 286.280084][ T27] ? wait_on_page_bit+0x50/0x50 [ 286.284935][ T27] ? rcu_lock_release+0x20/0x20 [ 286.289821][ T27] ? bio_add_page+0x2b3/0x450 [ 286.294496][ T27] z_erofs_runqueue+0x788/0x1a80 [ 286.299553][ T27] ? z_erofs_do_read_page+0x2600/0x2600 [ 286.305111][ T27] ? __bpf_trace_erofs_destroy_inode+0x20/0x20 [ 286.319400][ T27] z_erofs_readahead+0xc9a/0x1280 [ 286.324461][ T27] ? z_erofs_readpage+0x840/0x840 [ 286.329527][ T27] read_pages+0x159/0x8e0 [ 286.333863][ T27] ? page_cache_ra_unbounded+0x930/0x930 [ 286.339525][ T27] ? add_to_page_cache_locked+0x40/0x40 [ 286.345073][ T27] ? down_read+0x1b3/0x2e0 [ 286.349510][ T27] page_cache_ra_unbounded+0x7b0/0x930 [ 286.354977][ T27] ? read_cache_pages_invalidate_pages+0x1c0/0x1c0 [ 286.361522][ T27] force_page_cache_ra+0x378/0x3e0 [ 286.366635][ T27] generic_fadvise+0x5ba/0x8b0 [ 286.371418][ T27] ? dump_task+0x5f0/0x5f0 [ 286.375855][ T27] ? print_irqtrace_events+0x210/0x210 [ 286.381403][ T27] ? vtime_user_exit+0x2d1/0x400 [ 286.386341][ T27] ? __fdget+0x158/0x220 [ 286.390604][ T27] __x64_sys_fadvise64+0x138/0x180 [ 286.395715][ T27] do_syscall_64+0x3b/0xb0 [ 286.400164][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.404837][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.410747][ T27] RIP: 0033:0x7f96d651da99 [ 286.415166][ T27] RSP: 002b:00007ffcc3c38978 EFLAGS: 00000246 ORIG_RAX: 00000000000000dd [ 286.423609][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f96d651da99 [ 286.431631][ T27] RDX: 0000000000004101 RSI: 0000000000e0ffff RDI: 0000000000000004 [ 286.439651][ T27] RBP: 00007f96d65915f0 R08: 00005555926f44c0 R09: 00005555926f44c0 [ 286.447627][ T27] R10: 0000000000000003 R11: 0000000000000246 R12: 00007ffcc3c389a0 [ 286.455612][ T27] R13: 00007ffcc3c38bc8 R14: 431bde82d7b634db R15: 00007f96d656603b [ 286.463614][ T27] [ 286.466647][ T27] [ 286.466647][ T27] Showing all locks held in the system: [ 286.474443][ T27] 1 lock held by khungtaskd/27: [ 286.479331][ T27] #0: ffffffff8c91fc20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.488652][ T27] 2 locks held by getty/3324: [ 286.493340][ T27] #0: ffff88814ac3d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.503165][ T27] #1: ffffc90002b9e2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 286.513391][ T27] 1 lock held by syz-executor318/3584: [ 286.518841][ T27] #0: ffff88806f290320 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x1a6/0x930 [ 286.530101][ T27] [ 286.532444][ T27] ============================================= [ 286.532444][ T27] [ 286.540877][ T27] NMI backtrace for cpu 0 [ 286.545200][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.168-syzkaller #0 [ 286.553150][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 286.563178][ T27] Call Trace: [ 286.566437][ T27] [ 286.569692][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.574348][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.579954][ T27] ? panic+0x860/0x860 [ 286.583998][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 286.589090][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 286.594000][ T27] ? __wake_up_klogd+0xd5/0x100 [ 286.598839][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.604981][ T27] ? _printk+0xd1/0x120 [ 286.609113][ T27] ? panic+0x860/0x860 [ 286.613157][ T27] ? __wake_up_klogd+0xcc/0x100 [ 286.617988][ T27] ? panic+0x860/0x860 [ 286.622035][ T27] ? __rcu_read_unlock+0x92/0x100 [ 286.627058][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.633101][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 286.639059][ T27] watchdog+0xe72/0xeb0 [ 286.643195][ T27] kthread+0x3f6/0x4f0 [ 286.647241][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.652246][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.656811][ T27] ret_from_fork+0x1f/0x30 [ 286.661211][ T27] [ 286.664311][ T27] Sending NMI from CPU 0 to CPUs 1: [ 286.669593][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 286.670612][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.686096][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.168-syzkaller #0 [ 286.694054][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 286.704083][ T27] Call Trace: [ 286.707340][ T27] [ 286.710250][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.714905][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.720512][ T27] ? panic+0x860/0x860 [ 286.724562][ T27] panic+0x318/0x860 [ 286.728430][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 286.734036][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.740169][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 286.745347][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.751392][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.757524][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 286.763652][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 286.769786][ T27] watchdog+0xeb0/0xeb0 [ 286.773925][ T27] kthread+0x3f6/0x4f0 [ 286.777970][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.782968][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.787535][ T27] ret_from_fork+0x1f/0x30 [ 286.791934][ T27] [ 286.795137][ T27] Kernel Offset: disabled [ 286.799453][ T27] Rebooting in 86400 seconds..