RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000000455259 RDX: 00000000004b9bc5 RSI: 00000000200007c0 RDI: 0000000020000800 RBP: 0000000020000800 R08: 00007fcf71e59b20 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffffffffffffffff WARNING: CPU: 1 PID: 11004 at fs/super.c:1148 kill_block_super+0xd9/0x100 fs/super.c:1148 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 11004 Comm: syz-executor5 Not tainted 4.16.0+ #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 panic+0x22f/0x4de kernel/panic.c:183 __warn.cold.8+0x163/0x1a3 kernel/panic.c:547 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1de/0x490 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:991 RIP: 0010:kill_block_super+0xd9/0x100 fs/super.c:1148 RSP: 0018:ffff88018be8f750 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90012526000 RDX: 0000000000040000 RSI: ffffffff81bbe0d9 RDI: 0000000000000005 RBP: ffff88018be8f768 R08: ffff880190d065c0 R09: ffffed00317d1eac R10: ffffed00317d1eac R11: 0000000000000003 R12: ffff8801d5330300 R13: 0000000000000000 R14: ffff8801d04feb00 R15: dffffc0000000000 fuse_kill_sb_blk+0x90/0xb0 fs/fuse/inode.c:1232 deactivate_locked_super+0x97/0x100 fs/super.c:312 sget_userns+0xc9d/0xf20 fs/super.c:522 sget+0x10b/0x150 fs/super.c:557 mount_bdev+0x111/0x3e0 fs/super.c:1092 fuse_mount_blk+0x34/0x40 fs/fuse/inode.c:1219 mount_fs+0xae/0x328 fs/super.c:1222 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2517 [inline] do_mount+0x564/0x3070 fs/namespace.c:2847 ksys_mount+0x12d/0x140 fs/namespace.c:3063 SYSC_mount fs/namespace.c:3077 [inline] SyS_mount+0x35/0x50 fs/namespace.c:3074 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x455259 RSP: 002b:00007fcf71e59b08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000000455259 RDX: 00000000004b9bc5 RSI: 00000000200007c0 RDI: 0000000020000800 RBP: 0000000020000800 R08: 00007fcf71e59b20 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffffffffffff R15: ffffffffffffffff Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..