R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd848700ef R14: 00007f1cf72a1300 R15: 0000000000022000 x_tables: ip_tables: ah match: only valid for protocol 51 x_tables: ip_tables: ah match: only valid for protocol 51 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 25507 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163 Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 1 PID: 25507 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x21d/0x451 kernel/panic.c:247 check_panic_on_warn.cold+0x19/0x35 kernel/panic.c:171 __warn+0xdf/0x1e0 kernel/panic.c:603 report_bug+0x208/0x250 lib/bug.c:183 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:967 RIP: 0010:kill_block_super+0xbe/0xe0 fs/super.c:1163 RSP: 0018:ffff88809c7dfbc8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90005bee000 RDX: 0000000000040000 RSI: ffffffff81877b4e RDI: ffff8880a4432bf0 RBP: ffff88809dcc8480 R08: ffffffff8b9bb7e8 R09: 0000000000000001 R10: 0000000000000000 R11: ffff88807eb90440 R12: ffff8880a4432740 R13: ffffffff891eb370 R14: ffffffff88f46340 R15: dffffc0000000000 deactivate_locked_super+0x6c/0xd0 fs/super.c:319 sget_userns+0x9c4/0xc10 fs/super.c:537 sget+0xd1/0x110 fs/super.c:572 mount_bdev+0xcd/0x360 fs/super.c:1107 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2572 [inline] do_mount+0xe65/0x2a30 fs/namespace.c:2905 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f1cf8d2f0f9 RSP: 002b:00007f1cf72a1168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f1cf8e4ef80 RCX: 00007f1cf8d2f0f9 RDX: 0000000020000580 RSI: 0000000020000540 RDI: 0000000020000500 RBP: 00007f1cf72a11d0 R08: 0000000020000b40 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffd848700ef R14: 00007f1cf72a1300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..