Warning: Permanently added '10.128.1.84' (ECDSA) to the list of known hosts. executing program [ 717.769878] INFO: task syz-executor805:8108 blocked for more than 140 seconds. [ 717.777325] Not tainted 4.19.211-syzkaller #0 [ 717.783784] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.793131] syz-executor805 D27400 8108 8106 0x00000004 [ 717.798799] Call Trace: [ 717.802274] __schedule+0x887/0x2040 [ 717.806004] ? io_schedule_timeout+0x140/0x140 [ 717.811047] ? _raw_spin_unlock+0x29/0x40 [ 717.815220] schedule+0x8d/0x1b0 [ 717.818578] fuse_wait_on_page_writeback.isra.0+0x11b/0x170 [ 717.824679] ? fuse_do_ioctl+0x1850/0x1850 [ 717.828922] ? wait_woken+0x250/0x250 [ 717.833077] ? fuse_writepage_locked+0xb63/0x1010 [ 717.837925] ? fuse_writepage_locked+0x1010/0x1010 [ 717.843209] fuse_launder_page+0xb6/0xe0 [ 717.847282] invalidate_inode_pages2_range+0x795/0x1110 [ 717.852983] ? clear_shadow_entry+0x170/0x170 [ 717.857479] ? fuse_file_alloc+0x1d9/0x270 [ 717.862047] ? do_raw_spin_unlock+0x171/0x230 [ 717.866540] ? _raw_spin_unlock+0x29/0x40 [ 717.871027] ? fuse_do_open+0x1c4/0x500 [ 717.875003] fuse_finish_open+0x2e2/0x590 [ 717.879139] fuse_open_common+0x254/0x2c0 [ 717.883774] do_dentry_open+0x4aa/0x1160 [ 717.887846] ? fuse_open_common+0x2c0/0x2c0 [ 717.892492] ? inode_permission.part.0+0x10c/0x450 [ 717.897425] ? chown_common+0x550/0x550 [ 717.901748] ? inode_permission+0x3d/0x140 [ 717.905990] path_openat+0x793/0x2df0 [ 717.910071] ? path_lookupat+0x8d0/0x8d0 [ 717.914146] ? mark_held_locks+0xf0/0xf0 [ 717.918200] do_filp_open+0x18c/0x3f0 [ 717.922077] ? may_open_dev+0xf0/0xf0 [ 717.925883] ? lock_downgrade+0x720/0x720 [ 717.930081] ? lock_acquire+0x170/0x3c0 [ 717.934051] ? __alloc_fd+0x34/0x570 [ 717.937747] ? do_raw_spin_unlock+0x171/0x230 [ 717.942456] ? _raw_spin_unlock+0x29/0x40 [ 717.946602] ? __alloc_fd+0x28d/0x570 [ 717.950458] do_sys_open+0x3b3/0x520 [ 717.954176] ? filp_open+0x70/0x70 [ 717.957704] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 717.963144] ? trace_hardirqs_off_caller+0x6e/0x210 [ 717.968171] ? do_syscall_64+0x21/0x620 [ 717.972203] do_syscall_64+0xf9/0x620 [ 717.976012] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.981264] RIP: 0033:0x7fca8e5c34c9 [ 717.984977] Code: Bad RIP value. [ 717.988324] RSP: 002b:00007fca8e5742f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 717.996086] RAX: ffffffffffffffda RBX: 00007fca8e6544c0 RCX: 00007fca8e5c34c9 [ 718.003435] RDX: 00007fca8e5c34c9 RSI: 0000000000000000 RDI: 00000000200001c0 [ 718.010735] RBP: 00007fca8e621164 R08: 0000000000000000 R09: 0000000000000000 [ 718.018004] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 718.025343] R13: 00007fca8e61d158 R14: 00007fca8e61f160 R15: 00007fca8e6544c8 [ 718.032713] [ 718.032713] Showing all locks held in the system: [ 718.039035] 1 lock held by khungtaskd/1570: [ 718.043444] #0: 00000000ada58c38 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 718.052130] 1 lock held by in:imklog/7767: [ 718.056346] #0: 00000000c2e42893 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 718.064388] 2 locks held by syz-executor805/8108: [ 718.069222] #0: 00000000e2dfb186 (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0 [ 718.077274] #1: 00000000caa8dca9 (&sb->s_type->i_mutex_key#17){+.+.}, at: fuse_open_common+0x1bc/0x2c0 [ 718.086904] [ 718.088515] ============================================= [ 718.088515] [ 718.096101] NMI backtrace for cpu 1 [ 718.099875] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.107324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 718.116669] Call Trace: [ 718.119261] dump_stack+0x1fc/0x2ef [ 718.122885] nmi_cpu_backtrace.cold+0x63/0xa2 [ 718.127370] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.131851] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 718.137113] watchdog+0x991/0xe60 [ 718.140552] ? reset_hung_task_detector+0x30/0x30 [ 718.145376] kthread+0x33f/0x460 [ 718.148720] ? kthread_park+0x180/0x180 [ 718.152672] ret_from_fork+0x24/0x30 [ 718.156537] Sending NMI from CPU 1 to CPUs 0: [ 718.161652] NMI backtrace for cpu 0 [ 718.161659] CPU: 0 PID: 4694 Comm: systemd-journal Not tainted 4.19.211-syzkaller #0 [ 718.161665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 718.161669] RIP: 0010:lockdep_hardirqs_on+0x38e/0x5c0 [ 718.161679] Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 c2 00 00 00 83 84 08 00 00 00 00 00 00 5b 5d c3 be 01 00 00 00 48 89 df e8 [ 718.161683] RSP: 0018:ffff8880a08079e0 EFLAGS: 00000046 [ 718.161691] RAX: 0000000000000007 RBX: ffff8880a0ffe600 RCX: 0000000000000000 [ 718.161696] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880a0ffee84 [ 718.161701] RBP: 000000000006e07d R08: ffffffff8cd233c0 R09: 0000000000000000 [ 718.161706] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b26ed300 [ 718.161710] R13: ffff88813bff04c0 R14: 0000000000000048 R15: ffff88813bff04c0 [ 718.161716] FS: 00007f5d7fac28c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 718.161720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.161725] CR2: 00007f5d7ce92020 CR3: 00000000a1456000 CR4: 00000000003406f0 [ 718.161730] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.161735] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.161738] Call Trace: [ 718.161741] kmem_cache_alloc_trace+0x2be/0x380 [ 718.161745] apparmor_file_alloc_security+0x394/0xad0 [ 718.161749] ? apparmor_file_receive+0x160/0x160 [ 718.161752] ? __alloc_file+0x21/0x340 [ 718.161756] security_file_alloc+0x40/0x90 [ 718.161759] __alloc_file+0xd8/0x340 [ 718.161762] alloc_empty_file+0x6d/0x170 [ 718.161766] path_openat+0xe9/0x2df0 [ 718.161769] ? __lock_acquire+0x6de/0x3ff0 [ 718.161772] ? path_lookupat+0x8d0/0x8d0 [ 718.161776] ? __put_seccomp_filter+0xa0/0xa0 [ 718.161779] ? mark_held_locks+0xf0/0xf0 [ 718.161783] ? mark_held_locks+0xf0/0xf0 [ 718.161786] do_filp_open+0x18c/0x3f0 [ 718.161789] ? may_open_dev+0xf0/0xf0 [ 718.161793] ? __alloc_fd+0x28d/0x570 [ 718.161796] ? lock_downgrade+0x720/0x720 [ 718.161800] ? lock_acquire+0x170/0x3c0 [ 718.161803] ? __alloc_fd+0x34/0x570 [ 718.161807] ? do_raw_spin_unlock+0x171/0x230 [ 718.161810] ? _raw_spin_unlock+0x29/0x40 [ 718.161814] ? __alloc_fd+0x28d/0x570 [ 718.161817] do_sys_open+0x3b3/0x520 [ 718.161820] ? filp_open+0x70/0x70 [ 718.161824] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.161828] ? trace_hardirqs_off_caller+0x6e/0x210 [ 718.161832] ? do_syscall_64+0x21/0x620 [ 718.161835] do_syscall_64+0xf9/0x620 [ 718.161839] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.161842] RIP: 0033:0x7f5d7f051840 [ 718.161858] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 718.161862] RSP: 002b:00007ffc2dd8f1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 718.161871] RAX: ffffffffffffffda RBX: 00007ffc2dd8f500 RCX: 00007f5d7f051840 [ 718.161876] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000564339769750 [ 718.161881] RBP: 000000000000000d R08: 000000000000ffc0 R09: 00000000ffffffff [ 718.161886] R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff [ 718.161891] R13: 000056433975c040 R14: 00007ffc2dd8f4c0 R15: 00005643397697a0 [ 718.162169] Kernel panic - not syncing: hung_task: blocked tasks [ 718.480023] CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 [ 718.487446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 718.496779] Call Trace: [ 718.499382] dump_stack+0x1fc/0x2ef [ 718.503036] panic+0x26a/0x50e [ 718.506209] ? __warn_printk+0xf3/0xf3 [ 718.510082] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.514559] ? ___preempt_schedule+0x16/0x18 [ 718.518955] ? watchdog+0x991/0xe60 [ 718.522567] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 718.528002] watchdog+0x9a2/0xe60 [ 718.531436] ? reset_hung_task_detector+0x30/0x30 [ 718.536262] kthread+0x33f/0x460 [ 718.539616] ? kthread_park+0x180/0x180 [ 718.543573] ret_from_fork+0x24/0x30 [ 718.547567] Kernel Offset: disabled [ 718.551188] Rebooting in 86400 seconds..