openvswitch: netlink: Actions may not be safe on all matching packets
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WARNING: CPU: 2 PID: 14199 at net/mac80211/driver-ops.c:460 drv_link_info_changed+0x117/0x870 net/mac80211/driver-ops.c:460
Modules linked in:
CPU: 2 UID: 0 PID: 14199 Comm: syz.2.2292 Not tainted 6.12.0-syzkaller-00233-g9fb2cfa4635a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:drv_link_info_changed+0x117/0x870 net/mac80211/driver-ops.c:460
Code: bf 77 0e f7 44 89 ff 48 c7 c6 00 68 9d 8c e8 50 7a 0e f7 41 83 ff 0b 77 0b b8 82 08 00 00 4c 0f a3 f8 72 0e e8 9a 77 0e f7 90 <0f> 0b 90 e9 61 03 00 00 e8 8c 77 0e f7 41 8d 47 f6 31 ff 83 e0 fd
RSP: 0018:ffffc9000c5eeed8 EFLAGS: 00010287
RAX: 000000000000080f RBX: ffff888063eaccc0 RCX: ffffc90003bc1000
RDX: 0000000000040000 RSI: ffffffff8a7e4566 RDI: 0000000000000005
RBP: ffff8880634e0e40 R08: 0000000000000005 R09: 000000000000000b
R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000200
R13: 0000000000000200 R14: ffff888063eae920 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff88802b600000(0063) knlGS:00000000f5746b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f5744c40 CR3: 00000000002b4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ieee80211_link_info_change_notify+0x2c1/0x350 net/mac80211/main.c:416
 ieee80211_offchannel_stop_vifs+0x328/0x5b0 net/mac80211/offchannel.c:122
 ieee80211_start_sw_scan net/mac80211/scan.c:559 [inline]
 __ieee80211_start_scan+0x1089/0x1ce0 net/mac80211/scan.c:851
 ieee80211_scan+0x1d2/0x330 net/mac80211/cfg.c:2889
 rdev_scan net/wireless/rdev-ops.h:466 [inline]
 cfg80211_scan+0x4be/0x730 net/wireless/scan.c:1062
 cfg80211_conn_scan+0x5cc/0xd00 net/wireless/sme.c:134
 cfg80211_sme_connect net/wireless/sme.c:631 [inline]
 cfg80211_connect+0x17f4/0x1f60 net/wireless/sme.c:1526
 nl80211_connect+0x1661/0x21f0 net/wireless/nl80211.c:12221
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2541
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg net/socket.c:726 [inline]
 ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2581
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2635
 __sys_sendmsg+0x16e/0x220 net/socket.c:2667
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7fc5579
Code: b8 01 10 06 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 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f574655c EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200001c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi