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8021q: adding VLAN 0 to HW filter on device batadv1
WARNING: CPU: 0 PID: 16276 at fs/inode.c:286 drop_nlink.cold+0x11/0x41 fs/inode.c:286
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 16276 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
bond1: Enslaving batadv1 as a backup interface with an up link
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:drop_nlink.cold+0x11/0x41 fs/inode.c:286
Code: f9 e8 9c bd 6d f9 48 c7 c7 80 a8 74 88 e8 fb ee fe ff 0f 0b e9 9f 50 b4 f9 e8 84 bd 6d f9 48 c7 c7 80 b0 74 88 e8 e3 ee fe ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 0f b6 04 02
RSP: 0018:ffff88809056fcc0 EFLAGS: 00010286
RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed10120adf8a
RBP: ffff888043153650 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff888043153698
R13: ffff88808da8d1c0 R14: ffff88809056fd40 R15: ffff8880441ae680
 vfat_rmdir+0x2f6/0x4f0 fs/fat/namei_vfat.c:810
 vfs_rmdir.part.0+0x10f/0x3d0 fs/namei.c:3882
 vfs_rmdir fs/namei.c:3868 [inline]
 do_rmdir+0x3fd/0x490 fs/namei.c:3943
 __do_sys_unlinkat fs/namei.c:4105 [inline]
 __se_sys_unlinkat fs/namei.c:4099 [inline]
 __x64_sys_unlinkat+0xdf/0x120 fs/namei.c:4099
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7ff9a51660a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff99b696168 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
RAX: ffffffffffffffda RBX: 00007ff9a5286120 RCX: 00007ff9a51660a9
RDX: 0000000000000200 RSI: 00000000200001c0 RDI: 0000000000000004
RBP: 00007ff9a51c1ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd3e4d1d8f R14: 00007ff99b696300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..