RDX: 00007ffe04710bb0 RSI: 0000000020000fc0 RDI: 00007ffe04710bd0 RBP: 0000000000000000 R08: 00007ffe04710c10 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: ffffffffffffffff R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6359 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6359 Comm: syz-executor561 Not tainted 4.14.183-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x2f/0x30 kernel/panic.c:547 report_bug+0x20a/0x248 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:kill_block_super+0xbe/0xe0 fs/super.c:1163 RSP: 0018:ffff888084c27a98 EFLAGS: 00010297 RAX: ffff888097634240 RBX: 0000000000000000 RCX: 1ffff11012ec6957 RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8880a6ef04e8 RBP: ffff88809b284500 R08: 0000000000000001 R09: 0000000000000001 R10: ffff888097634b18 R11: ffff888097634240 R12: ffff8880a6ef0140 R13: ffff88809b284640 R14: dffffc0000000000 R15: ffffffff87b53300 gfs2_kill_sb+0x144/0x1a0 fs/gfs2/ops_fstype.c:1384 deactivate_locked_super+0x6c/0xd0 fs/super.c:319 sget_userns+0x9df/0xc30 fs/super.c:537 sget+0xd1/0x110 fs/super.c:572 gfs2_mount+0x10f/0x4f3 fs/gfs2/ops_fstype.c:1278 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x3c0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0x3c9/0x25e0 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x44881a RSP: 002b:00007ffe04710b68 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044881a RDX: 00007ffe04710bb0 RSI: 0000000020000fc0 RDI: 00007ffe04710bd0 RBP: 0000000000000000 R08: 00007ffe04710c10 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: ffffffffffffffff R13: 0000000000000004 R14: 0000000000000000 R15: 0000000000000000 Kernel Offset: disabled Rebooting in 86400 seconds..