netdevsim netdevsim0 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
WARNING: CPU: 3 PID: 6730 at kernel/kcov.c:872 kcov_remote_start+0xf7/0x6d0 kernel/kcov.c:872
Modules linked in:
CPU: 3 UID: 0 PID: 6730 Comm: syz.0.177 Not tainted 6.15.0-rc1-syzkaller-00333-g5aaaedb0cb54 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:kcov_remote_start+0xf7/0x6d0 kernel/kcov.c:872
Code: 65 4c 8b 3d 53 24 eb 11 4d 89 7c 24 28 8b 95 18 16 00 00 65 8b 05 59 24 eb 11 a9 00 01 ff 00 75 53 81 e2 ff ff ff bf 74 4b 90 <0f> 0b 90 e8 c1 f0 b4 09 44 8b 1d ea 89 fa 18 89 c0 48 03 1c c5 00
RSP: 0018:ffffc9000117ea00 EFLAGS: 00010002
RAX: 0000000080000200 RBX: ffffffff93a6f528 RCX: 0000000000000001
RDX: 0000000000000002 RSI: ffffffff8dbc5f5f RDI: ffffffff8bf44f80
RBP: ffff888023530000 R08: f88d96d07dc4f2ba R09: 000000000000001b
R10: ffffc9000117e8b8 R11: 0000000000000000 R12: ffff88802b528528
R13: 0000000000000200 R14: 0000000000000000 R15: ffff888023530000
FS:  0000000000000000(0000) GS:ffff888097ab9000(0063) knlGS:00000000f50f5b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f5014da4 CR3: 000000004fca4000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 kcov_remote_start_common include/linux/kcov.h:50 [inline]
 ieee80211_rx_list+0x45f/0x2980 net/mac80211/rx.c:5398
 ieee80211_rx_napi+0xdc/0x410 net/mac80211/rx.c:5439
 ieee80211_rx include/net/mac80211.h:5179 [inline]
 ieee80211_handle_queued_frames+0xd5/0x130 net/mac80211/main.c:441
 ieee80211_stop_device+0x32/0x110 net/mac80211/util.c:1574
 ieee80211_do_stop+0x1a6d/0x2480 net/mac80211/iface.c:715
 ieee80211_stop+0x11d/0x670 net/mac80211/iface.c:775
 __dev_close_many+0x298/0x770 net/core/dev.c:1700
 __dev_close net/core/dev.c:1712 [inline]
 __dev_change_flags+0x4d8/0x720 net/core/dev.c:9362
 netif_change_flags+0x8d/0x160 net/core/dev.c:9427
 do_setlink.constprop.0+0xddf/0x44b0 net/core/rtnetlink.c:3152
 rtnl_group_changelink net/core/rtnetlink.c:3786 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3940 [inline]
 rtnl_newlink+0x18e0/0x2000 net/core/rtnetlink.c:4068
 rtnetlink_rcv_msg+0x95b/0xe90 net/core/rtnetlink.c:6958
 netlink_rcv_skb+0x16a/0x440 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x53a/0x7f0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg net/socket.c:727 [inline]
 ____sys_sendmsg+0xa95/0xc70 net/socket.c:2566
 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2620
 __sys_sendmsg+0x16d/0x220 net/socket.c:2652
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf748e579
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:00000000f50f555c EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 000000000000000a RCX: 0000000080000040
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