Warning: Permanently added '10.128.1.44' (ECDSA) to the list of known hosts. executing program [ 717.576806] INFO: task syz-executor088:8123 blocked for more than 140 seconds. [ 717.584499] Not tainted 4.19.190-syzkaller #0 [ 717.591336] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.599752] syz-executor088 D28096 8123 8121 0x00000004 [ 717.605464] Call Trace: [ 717.609430] __schedule+0x887/0x2040 [ 717.613142] ? io_schedule_timeout+0x140/0x140 [ 717.618322] ? _raw_spin_unlock+0x29/0x40 [ 717.622465] schedule+0x8d/0x1b0 [ 717.625830] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 [ 717.632357] ? fuse_do_ioctl+0x1850/0x1850 [ 717.637024] ? wait_woken+0x250/0x250 [ 717.640846] ? fuse_writepage_locked+0xb63/0x1010 [ 717.645671] ? fuse_writepage_locked+0x1010/0x1010 [ 717.651451] fuse_launder_page+0xb6/0xe0 [ 717.655508] invalidate_inode_pages2_range+0x786/0x10f0 [ 717.661481] ? clear_shadow_entry+0x170/0x170 [ 717.665990] ? fuse_file_alloc+0x1d9/0x270 [ 717.670990] ? do_raw_spin_unlock+0x171/0x230 [ 717.675480] ? _raw_spin_unlock+0x29/0x40 [ 717.680218] ? fuse_do_open+0x1c4/0x500 [ 717.684187] fuse_finish_open+0x2e2/0x590 [ 717.688963] fuse_open_common+0x254/0x2c0 [ 717.693225] do_dentry_open+0x4aa/0x1160 [ 717.697932] ? fuse_open_common+0x2c0/0x2c0 [ 717.702260] ? inode_permission.part.0+0x10c/0x450 [ 717.707806] ? chown_common+0x550/0x550 [ 717.711815] ? inode_permission+0x3d/0x140 [ 717.716035] path_openat+0x793/0x2df0 [ 717.720731] ? path_lookupat+0x8d0/0x8d0 [ 717.724794] ? mark_held_locks+0xf0/0xf0 [ 717.729484] do_filp_open+0x18c/0x3f0 [ 717.733300] ? may_open_dev+0xf0/0xf0 [ 717.737759] ? lock_downgrade+0x720/0x720 [ 717.741989] ? lock_acquire+0x170/0x3c0 [ 717.745945] ? __alloc_fd+0x34/0x570 [ 717.750454] ? do_raw_spin_unlock+0x171/0x230 [ 717.754947] ? _raw_spin_unlock+0x29/0x40 [ 717.759660] ? __alloc_fd+0x28d/0x570 [ 717.763457] do_sys_open+0x3b3/0x520 [ 717.767752] ? filp_open+0x70/0x70 [ 717.771291] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.777281] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.782291] ? do_syscall_64+0x21/0x620 [ 717.786249] do_syscall_64+0xf9/0x620 [ 717.791571] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.797126] RIP: 0033:0x4463c9 [ 717.800317] Code: Bad RIP value. [ 717.803747] RSP: 002b:00007fa78460b2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 717.812229] RAX: ffffffffffffffda RBX: 00000000004d34e0 RCX: 00000000004463c9 [ 717.819868] RDX: 0000000000000000 RSI: 0000000000080380 RDI: 0000000020000100 [ 717.827514] RBP: 00000000004a3164 R08: 0000000000000000 R09: 0000000000000000 [ 717.834775] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 717.842770] R13: 000000000049f158 R14: 00000000004a1160 R15: 00000000004d34e8 [ 717.850503] [ 717.850503] Showing all locks held in the system: [ 717.857358] 3 locks held by kworker/1:1/25: [ 717.861694] #0: 000000006328d459 (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 [ 717.870627] #1: 000000000dc79070 (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 [ 717.879465] #2: 00000000657c22fc (&base->lock){-.-.}, at: lock_timer_base+0x55/0x1b0 [ 717.887837] 1 lock held by khungtaskd/1569: [ 717.892161] #0: 000000000dc79070 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.901449] 1 lock held by in:imklog/7804: [ 717.905816] #0: 000000008e9cb7d0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 717.914451] 2 locks held by syz-executor088/8123: [ 717.919730] #0: 00000000f94dba2b (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0 [ 717.928421] #1: 000000001cc85ed3 (&sb->s_type->i_mutex_key#17){+.+.}, at: fuse_open_common+0x1bc/0x2c0 [ 717.938457] [ 717.940163] ============================================= [ 717.940163] [ 717.947992] NMI backtrace for cpu 1 [ 717.951637] CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.190-syzkaller #0 [ 717.959063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.968394] Call Trace: [ 717.970968] dump_stack+0x1fc/0x2ef [ 717.974579] nmi_cpu_backtrace.cold+0x63/0xa2 [ 717.979062] ? lapic_can_unplug_cpu+0x80/0x80 [ 717.983553] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 717.988830] watchdog+0x991/0xe60 [ 717.992269] ? reset_hung_task_detector+0x30/0x30 [ 717.997196] kthread+0x33f/0x460 [ 718.000544] ? kthread_park+0x180/0x180 [ 718.004500] ret_from_fork+0x24/0x30 [ 718.008641] Sending NMI from CPU 1 to CPUs 0: [ 718.013638] NMI backtrace for cpu 0 [ 718.013644] CPU: 0 PID: 4685 Comm: systemd-journal Not tainted 4.19.190-syzkaller #0 [ 718.013649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.013653] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 [ 718.013663] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 80 df 01 00 65 8b 15 8c 80 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 [ 718.013667] RSP: 0018:ffff8880a115fa68 EFLAGS: 00000046 [ 718.013674] RAX: ffff8880a11543c0 RBX: ffff8880afcee640 RCX: 0000000000000000 [ 718.013678] RDX: 0000000000000000 RSI: ffffffff812b5e14 RDI: ffff8880afcee640 [ 718.013683] RBP: 0000000080000000 R08: 000000000250e780 R09: 0000000000000000 [ 718.013687] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 718.013692] R13: ffffea000250e788 R14: ffffea000250e780 R15: ffff88813be79b00 [ 718.013696] FS: 00007f287c1418c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 718.013700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.013705] CR2: 00007f2879513000 CR3: 00000000a1261000 CR4: 00000000001406f0 [ 718.013709] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.013714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.013716] Call Trace: [ 718.013719] __phys_addr+0x14/0x110 [ 718.013722] free_block+0xa0/0x230 [ 718.013725] ___cache_free+0x27e/0x3a0 [ 718.013728] qlist_free_all+0x79/0x140 [ 718.013731] quarantine_reduce+0x1a9/0x230 [ 718.013734] kasan_kmalloc+0xa2/0x160 [ 718.013737] ? debug_object_activate+0x12f/0x450 [ 718.013741] ? __put_seccomp_filter+0xa0/0xa0 [ 718.013744] ? __lock_acquire+0x6de/0x3ff0 [ 718.013747] ? mark_held_locks+0xf0/0xf0 [ 718.013750] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 718.013754] ? __seccomp_filter+0xe4/0xca0 [ 718.013757] ? seccomp_send_sigsys+0x1c0/0x1c0 [ 718.013760] ? mark_held_locks+0xf0/0xf0 [ 718.013763] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 718.013766] ? fs_reclaim_release+0xd0/0x110 [ 718.013769] ? lock_acquire+0x170/0x3c0 [ 718.013773] ? kmem_cache_alloc+0x2b1/0x370 [ 718.013776] kmem_cache_alloc+0x110/0x370 [ 718.013779] prepare_creds+0x39/0x510 [ 718.013782] do_faccessat+0x94/0x7a0 [ 718.013785] ? __ia32_sys_fallocate+0x140/0x140 [ 718.013789] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.013792] ? trace_hardirqs_off_caller+0x6e/0x210 [ 718.013795] ? do_syscall_64+0x21/0x620 [ 718.013798] do_syscall_64+0xf9/0x620 [ 718.013801] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.013804] RIP: 0033:0x7f287b3fc9c7 [ 718.013814] Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 [ 718.013817] RSP: 002b:00007ffe0715b018 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 [ 718.013825] RAX: ffffffffffffffda RBX: 00007ffe0715e040 RCX: 00007f287b3fc9c7 [ 718.013830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000558c310669a3 [ 718.013834] RBP: 00007ffe0715b160 R08: 0000558c3105c3e5 R09: 0000000000000018 [ 718.013839] R10: 0000000000000069 R11: 0000000000000246 R12: 0000000000000000 [ 718.013843] R13: 0000000000000000 R14: 0000558c311258a0 R15: 00007ffe0715b650 [ 718.015362] Kernel panic - not syncing: hung_task: blocked tasks [ 718.326773] CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.190-syzkaller #0 [ 718.334197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.343527] Call Trace: [ 718.346098] dump_stack+0x1fc/0x2ef [ 718.349707] panic+0x26a/0x50e [ 718.352878] ? __warn_printk+0xf3/0xf3 [ 718.356746] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.361218] ? ___preempt_schedule+0x16/0x18 [ 718.365606] ? watchdog+0x991/0xe60 [ 718.369212] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.374643] watchdog+0x9a2/0xe60 [ 718.378078] ? reset_hung_task_detector+0x30/0x30 [ 718.382898] kthread+0x33f/0x460 [ 718.386253] ? kthread_park+0x180/0x180 [ 718.390205] ret_from_fork+0x24/0x30 [ 718.394066] Kernel Offset: disabled [ 718.397681] Rebooting in 86400 seconds..