------------[ cut here ]------------
wlan0: Failed check-sdata-in-driver check, flags: 0x0
WARNING: CPU: 0 PID: 208917 at net/mac80211/main.c:288 ieee80211_link_info_change_notify+0x1f7/0x320
Modules linked in:
CPU: 0 PID: 208917 Comm: syz-executor.6 Not tainted 6.5.0-rc6-next-20230816 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:ieee80211_link_info_change_notify+0x1f7/0x320
Code: 88 06 00 00 4d 85 ed 0f 84 d6 00 00 00 e8 a1 42 28 fd e8 9c 42 28 fd 8b 54 24 0c 4c 89 ee 48 c7 c7 80 4a e1 84 e8 19 8e f2 fc <0f> 0b 48 b8 00 00 00 00 00 fc ff df 48 8b 14 24 48 c1 ea 03 0f b6
RSP: 0018:ffff88802ba4f470 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000002000000 RCX: ffffc900007c7000
RDX: 0000000000040000 RSI: ffffffff8117e982 RDI: 0000000000000001
RBP: ffff888037978b80 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88803797a038
R13: ffff888037978000 R14: ffff888037950e20 R15: 0000000000000000
FS:  00007f39940d9700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33322000 CR3: 000000002f892000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 ieee80211_set_mcast_rate+0x42/0x50
 nl80211_set_mcast_rate+0x30a/0x680
 genl_family_rcv_msg_doit+0x1ff/0x2f0
 genl_rcv_msg+0x505/0x7e0
 netlink_rcv_skb+0x15d/0x450
 genl_rcv+0x28/0x40
 netlink_unicast+0x552/0x810
 netlink_sendmsg+0x923/0xe40
 sock_sendmsg+0x20d/0x260
 ____sys_sendmsg+0x76a/0xa00
 ___sys_sendmsg+0x110/0x1b0
 __sys_sendmsg+0xf7/0x1d0
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x73/0xdd
RIP: 0033:0x7f3996b63b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f39940d9188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f3996c76f60 RCX: 00007f3996b63b19
RDX: 0000000000000000 RSI: 0000000020000400 RDI: 0000000000000003
RBP: 00007f3996bbdf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff411890bf R14: 00007f39940d9300 R15: 0000000000022000
 </TASK>
irq event stamp: 1787
hardirqs last  enabled at (1797): [<ffffffff81315478>] console_unlock+0x2a8/0x2e0
hardirqs last disabled at (1808): [<ffffffff8131545d>] console_unlock+0x28d/0x2e0
softirqs last  enabled at (1738): [<ffffffff8119b0b3>] irq_exit_rcu+0x93/0xc0
softirqs last disabled at (1703): [<ffffffff8119b0b3>] irq_exit_rcu+0x93/0xc0
---[ end trace 0000000000000000 ]---
Zero length message leads to an empty skb
cgroup: fork rejected by pids controller in /syz3