Warning: Permanently added '10.128.0.79' (ECDSA) to the list of known hosts. executing program [ 717.579318] INFO: task syz-executor151:8139 blocked for more than 140 seconds. [ 717.586743] Not tainted 4.19.211-syzkaller #0 [ 717.592754] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.600809] syz-executor151 D27232 8139 8137 0x00000004 [ 717.606438] Call Trace: [ 717.609010] __schedule+0x887/0x2040 [ 717.612783] ? io_schedule_timeout+0x140/0x140 [ 717.617363] ? _raw_spin_unlock+0x29/0x40 [ 717.621553] schedule+0x8d/0x1b0 [ 717.624925] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 [ 717.630673] ? fuse_do_ioctl+0x1850/0x1850 [ 717.634909] ? wait_woken+0x250/0x250 [ 717.638784] ? fuse_writepage_locked+0xb63/0x1010 [ 717.643667] ? fuse_writepage_locked+0x1010/0x1010 [ 717.648588] fuse_launder_page+0xb6/0xe0 [ 717.652684] invalidate_inode_pages2_range+0x795/0x1110 [ 717.658051] ? clear_shadow_entry+0x170/0x170 [ 717.662595] ? fuse_file_alloc+0x1d9/0x270 [ 717.666825] ? do_raw_spin_unlock+0x171/0x230 [ 717.671352] ? _raw_spin_unlock+0x29/0x40 [ 717.675497] ? fuse_do_open+0x1c4/0x500 [ 717.679511] fuse_finish_open+0x2e2/0x590 [ 717.683656] fuse_open_common+0x254/0x2c0 [ 717.687787] do_dentry_open+0x4aa/0x1160 [ 717.691882] ? fuse_open_common+0x2c0/0x2c0 [ 717.696205] ? inode_permission.part.0+0x10c/0x450 [ 717.701169] ? chown_common+0x550/0x550 [ 717.705145] ? inode_permission+0x3d/0x140 [ 717.709417] path_openat+0x793/0x2df0 [ 717.713217] ? path_lookupat+0x8d0/0x8d0 [ 717.717261] ? mark_held_locks+0xf0/0xf0 [ 717.721363] ? mark_held_locks+0xa6/0xf0 [ 717.725420] do_filp_open+0x18c/0x3f0 [ 717.729267] ? may_open_dev+0xf0/0xf0 [ 717.733063] ? lock_downgrade+0x720/0x720 [ 717.737191] ? __alloc_fd+0xba/0x570 [ 717.740948] ? do_raw_spin_unlock+0x171/0x230 [ 717.745438] ? _raw_spin_unlock+0x29/0x40 [ 717.749613] ? __alloc_fd+0x28d/0x570 [ 717.753410] do_sys_open+0x3b3/0x520 [ 717.757104] ? filp_open+0x70/0x70 [ 717.760678] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.766043] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.771098] ? do_syscall_64+0x21/0x620 [ 717.775072] do_syscall_64+0xf9/0x620 [ 717.778858] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.784084] RIP: 0033:0x7ff2200634c9 [ 717.787791] Code: Bad RIP value. [ 717.791200] RSP: 002b:00007ff2200142f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 717.798899] RAX: ffffffffffffffda RBX: 00007ff2200f44c0 RCX: 00007ff2200634c9 [ 717.806200] RDX: 00007ff2200634c9 RSI: 0000000000000000 RDI: 00000000200001c0 [ 717.813513] RBP: 00007ff2200c1164 R08: 0000000000000000 R09: 0000000000000000 [ 717.820833] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 717.828091] R13: 00007ff2200bd158 R14: 00007ff2200bf160 R15: 00007ff2200f44c8 [ 717.835410] [ 717.835410] Showing all locks held in the system: [ 717.841782] 1 lock held by khungtaskd/1570: [ 717.846081] #0: 000000004ff0849a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 717.854729] 2 locks held by syz-executor151/8139: [ 717.859602] #0: 00000000665bbc58 (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0 [ 717.867571] #1: 00000000572acc83 (&sb->s_type->i_mutex_key#17){+.+.}, at: fuse_open_common+0x1bc/0x2c0 [ 717.877131] [ 717.878745] ============================================= [ 717.878745] [ 717.885803] NMI backtrace for cpu 0 [ 717.889485] CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 717.896916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 717.906250] Call Trace: [ 717.908822] dump_stack+0x1fc/0x2ef [ 717.912439] nmi_cpu_backtrace.cold+0x63/0xa2 [ 717.916915] ? lapic_can_unplug_cpu+0x80/0x80 [ 717.921392] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 717.926649] watchdog+0x991/0xe60 [ 717.930082] ? reset_hung_task_detector+0x30/0x30 [ 717.934905] kthread+0x33f/0x460 [ 717.938250] ? kthread_park+0x180/0x180 [ 717.942205] ret_from_fork+0x24/0x30 [ 717.945993] Sending NMI from CPU 0 to CPUs 1: [ 717.950839] NMI backtrace for cpu 1 [ 717.950845] CPU: 1 PID: 4683 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 [ 717.950851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 717.950855] RIP: 0010:lock_acquire+0x139/0x3c0 [ 717.950866] Code: 00 c7 83 84 08 00 00 01 00 00 00 0f 1f 44 00 00 65 8b 05 6a 2d b6 7e 83 f8 07 0f 87 e2 01 00 00 89 c0 48 0f a3 05 7f 8b db 09 <0f> 82 95 01 00 00 4c 8b 4c 24 08 44 89 ea 6a 00 48 89 ef 6a 00 45 [ 717.950870] RSP: 0018:ffff8880a1607ea0 EFLAGS: 00000097 [ 717.950877] RAX: 0000000000000001 RBX: ffff8880a15fe340 RCX: 0000000000000002 [ 717.950882] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880a15febc4 [ 717.950887] RBP: ffffffff89f85fa0 R08: 0000000000000000 R09: 0000000000000000 [ 717.950892] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 717.950897] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 [ 717.950902] FS: 00007f44571918c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 717.950907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.950912] CR2: 00007f4454567000 CR3: 00000000a1a2c000 CR4: 00000000003406e0 [ 717.950917] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 717.950922] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 717.950929] Call Trace: [ 717.950934] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.950937] __task_pid_nr_ns+0x3d/0x4c0 [ 717.950941] ? get_task_pid+0x2a0/0x2a0 [ 717.950944] __ia32_sys_getpid+0x1a/0x20 [ 717.950947] do_syscall_64+0xf9/0x620 [ 717.950951] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.950955] RIP: 0033:0x7f4456429f17 [ 717.950965] Code: ff ff ff 48 8b 4d a0 0f b7 51 fe 48 8b 4d a8 66 89 54 08 fe e9 1a ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 b8 27 00 00 00 0f 05 0f 1f 84 00 00 00 00 00 b8 6e 00 00 00 0f 05 c3 0f 1f 84 00 00 [ 717.950969] RSP: 002b:00007ffcdc1ae1c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000027 [ 717.950977] RAX: ffffffffffffffda RBX: 0000562bf61991e0 RCX: 00007f4456429f17 [ 717.950982] RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000562bf61991e0 [ 717.950987] RBP: 000000000000124b R08: 00007ffcdc1ba000 R09: 000000b8b255e509 [ 717.950992] R10: 0012291928dc4f4d R11: 0000000000000202 R12: ffffffffffffffff [ 717.950997] R13: 00007ffcdc1ae258 R14: 0000562bf4931958 R15: 0005ecad88c43016 [ 717.951573] Kernel panic - not syncing: hung_task: blocked tasks [ 718.174115] CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.181540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 718.190871] Call Trace: [ 718.193448] dump_stack+0x1fc/0x2ef [ 718.197058] panic+0x26a/0x50e [ 718.200231] ? __warn_printk+0xf3/0xf3 [ 718.204099] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.208572] ? ___preempt_schedule+0x16/0x18 [ 718.212973] ? watchdog+0x991/0xe60 [ 718.216583] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.222038] watchdog+0x9a2/0xe60 [ 718.225476] ? reset_hung_task_detector+0x30/0x30 [ 718.230298] kthread+0x33f/0x460 [ 718.233643] ? kthread_park+0x180/0x180 [ 718.237603] ret_from_fork+0x24/0x30 [ 718.241568] Kernel Offset: disabled [ 718.245182] Rebooting in 86400 seconds..