RDX: 0000000020000240 RSI: 0000000020000200 RDI: 00000000200001c0 RBP: 00007fc59f3481d0 R08: 0000000020000440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeeb6bda4f R14: 00007fc59f348300 R15: 0000000000022000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 25270 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163 Kernel panic - not syncing: panic_on_warn set ... Process accounting resumed CPU: 0 PID: 25270 Comm: syz-executor.2 Not tainted 4.14.295-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 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 9pnet: Insufficient options for proto=fd invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:kill_block_super+0xbe/0xe0 fs/super.c:1163 RSP: 0018:ffff88808d62fbc8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90006804000 Process accounting resumed RDX: 0000000000040000 RSI: ffffffff8187637e RDI: ffff8880902ded70 RBP: ffff888090f38440 R08: ffffffff8b9ab300 R09: 0000000000000001 R10: 0000000000000000 R11: ffff8880aa776540 R12: ffff8880902de8c0 R13: ffffffff891ea510 R14: ffffffff88f45820 R15: dffffc0000000000 deactivate_locked_super+0x6c/0xd0 fs/super.c:319 Process accounting resumed 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+0x46/0xbb RIP: 0033:0x7fc5a09d55a9 RSP: 002b:00007fc59f348168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fc5a0af5f80 RCX: 00007fc5a09d55a9 RDX: 0000000020000240 RSI: 0000000020000200 RDI: 00000000200001c0 RBP: 00007fc59f3481d0 R08: 0000000020000440 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffeeb6bda4f R14: 00007fc59f348300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds..