netlink: 8 bytes leftover after parsing attributes in process `syz.0.3499'.
------------[ cut here ]------------
intf 08:02:11:00:00:00 [link=0]: bad STA 08:02:11:00:00:01 bandwidth 20 MHz (0) > channel config 10 MHz (7)
WARNING: CPU: 1 PID: 19516 at drivers/net/wireless/virtual/mac80211_hwsim.c:2690 mac80211_hwsim_sta_rc_update+0x6f5/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2687
Modules linked in:
CPU: 1 UID: 0 PID: 19516 Comm: syz.0.3499 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:mac80211_hwsim_sta_rc_update+0x6f5/0x860 drivers/net/wireless/virtual/mac80211_hwsim.c:2687
Code: 81 20 00 00 48 c7 c7 c0 9f 0a 8c 48 8b 74 24 28 89 ea 48 8b 4c 24 10 41 89 d8 45 89 f9 41 56 50 e8 f0 3a be fa 48 83 c4 10 90 <0f> 0b 90 90 e9 0c ff ff ff e8 4d 1e fb fa 90 0f 0b 90 e9 fe fe ff
RSP: 0018:ffffc9000a97ee20 EFLAGS: 00010282
RAX: cf10993d620c7900 RBX: 0000000000000014 RCX: 0000000000080000
RDX: ffffc9000e854000 RSI: 0000000000006ff5 RDI: 0000000000006ff6
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bba650 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000007 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88812623e000(0063) knlGS:00000000f5495b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7f955c0 CR3: 00000000779ea000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 mac80211_hwsim_sta_add+0xa3/0x310 drivers/net/wireless/virtual/mac80211_hwsim.c:2707
 drv_sta_add net/mac80211/driver-ops.h:470 [inline]
 drv_sta_state+0x8c1/0x1840 net/mac80211/driver-ops.c:155
 sta_info_insert_drv_state net/mac80211/sta_info.c:824 [inline]
 sta_info_insert_finish net/mac80211/sta_info.c:932 [inline]
 sta_info_insert_rcu+0x1a30/0x2840 net/mac80211/sta_info.c:1009
 sta_info_insert+0x16/0xc0 net/mac80211/sta_info.c:1014
 rdev_add_station+0x108/0x290 net/wireless/rdev-ops.h:201
 nl80211_new_station+0x1755/0x1b70 net/wireless/nl80211.c:8777
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:727 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:742
 ____sys_sendmsg+0x505/0x830 net/socket.c:2630
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2684
 __sys_sendmsg+0x164/0x220 net/socket.c:2716
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb6/0x2b0 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x34/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fc5539
Code: 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f549555c EFLAGS: 00000206 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 000000000000000c RCX: 0000000080001080
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   4:	10 07                	adc    %al,(%rdi)
   6:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   a:	10 08                	adc    %cl,(%rax)
   c:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  20:	00 51 52             	add    %dl,0x52(%rcx)
  23:	55                   	push   %rbp
  24:	89 e5                	mov    %esp,%ebp
  26:	0f 34                	sysenter
  28:	cd 80                	int    $0x80
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	5a                   	pop    %rdx
  2c:	59                   	pop    %rcx
  2d:	c3                   	ret
  2e:	90                   	nop
  2f:	90                   	nop
  30:	90                   	nop
  31:	90                   	nop
  32:	90                   	nop
  33:	90                   	nop
  34:	90                   	nop
  35:	90                   	nop
  36:	90                   	nop
  37:	90                   	nop
  38:	90                   	nop
  39:	90                   	nop
  3a:	90                   	nop
  3b:	90                   	nop
  3c:	90                   	nop
  3d:	90                   	nop
  3e:	90                   	nop
  3f:	90                   	nop