8021q: adding VLAN 0 to HW filter on device batadv0
netlink: 'syz-executor951': attribute type 1 has an invalid length.
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10456 Comm: syz-executor951 Not tainted 5.3.0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:qdisc_put+0x25/0x90 net/sched/sch_generic.c:988
Code: 00 00 00 00 00 55 48 89 e5 41 54 49 89 fc 53 e8 81 2f bf fb 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 54 41 8b 5c 24 10 31 ff 83 e3 01
RSP: 0018:ffff88808c6af480 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88808bda8d80 RCX: 1ffffffff134b5fe
RDX: 0000000000000002 RSI: ffffffff85b3557f RDI: 0000000000000010
RBP: ffff88808c6af490 R08: ffff8880a3ab20c0 R09: fffffbfff134afc0
R10: fffffbfff134afbf R11: ffffffff89a57dff R12: 0000000000000000
R13: ffff88808bda8d80 R14: ffff8880a39b6b40 R15: ffff88808bda8dbc
FS:  0000555556bab880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000610 CR3: 00000000a82eb000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 dsmark_destroy+0x63/0xd0 net/sched/sch_dsmark.c:419
 qdisc_create+0xbc6/0x1210 net/sched/sch_api.c:1285
 tc_modify_qdisc+0x524/0x1c50 net/sched/sch_api.c:1652
 rtnetlink_rcv_msg+0x463/0xb00 net/core/rtnetlink.c:5223
 netlink_rcv_skb+0x177/0x450 net/netlink/af_netlink.c:2477
 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:5241
 netlink_unicast_kernel net/netlink/af_netlink.c:1302 [inline]
 netlink_unicast+0x531/0x710 net/netlink/af_netlink.c:1328
 netlink_sendmsg+0x8a5/0xd60 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:657
 ___sys_sendmsg+0x803/0x920 net/socket.c:2311
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356
 __do_sys_sendmsg net/socket.c:2365 [inline]
 __se_sys_sendmsg net/socket.c:2363 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2363
 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x441b19
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 0f 83 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fff04225c18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b19
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003
RBP: 00007fff04225c30 R08: 0000000001bbbbbb R09: 0000000001bbbbbb
R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000
R13: 00000000004030b0 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace f9086daed5fedc5f ]---
RIP: 0010:qdisc_put+0x25/0x90 net/sched/sch_generic.c:988
Code: 00 00 00 00 00 55 48 89 e5 41 54 49 89 fc 53 e8 81 2f bf fb 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 54 41 8b 5c 24 10 31 ff 83 e3 01
RSP: 0018:ffff88808c6af480 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88808bda8d80 RCX: 1ffffffff134b5fe
RDX: 0000000000000002 RSI: ffffffff85b3557f RDI: 0000000000000010
RBP: ffff88808c6af490 R08: ffff8880a3ab20c0 R09: fffffbfff134afc0
R10: fffffbfff134afbf R11: ffffffff89a57dff R12: 0000000000000000
R13: ffff88808bda8d80 R14: ffff8880a39b6b40 R15: ffff88808bda8dbc
FS:  0000555556bab880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000610 CR3: 00000000a82eb000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400