batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
------------[ cut here ]------------
WARNING: kernel/kcov.c:872 at kcov_remote_start+0x55a/0x7f0 kernel/kcov.c:872, CPU#1: syz.6.1210/11925
Modules linked in:
CPU: 1 UID: 0 PID: 11925 Comm: syz.6.1210 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:kcov_remote_start+0x55a/0x7f0 kernel/kcov.c:872
Code: ff 4c 89 ff be 03 00 00 00 e8 f2 5c 07 03 e9 eb fa ff ff e8 98 59 b8 09 f7 c3 00 02 00 00 0f 84 da fa ff ff e9 5a fc ff ff 90 <0f> 0b 90 e8 7e 72 b8 09 89 c0 48 c7 c7 08 57 a4 92 48 03 3c c5 10
RSP: 0018:ffffc90003366430 EFLAGS: 00010002
RAX: 0000000080000200 RBX: 0000000000000246 RCX: 0000000000000002
RDX: 0000000000030000 RSI: ffffffff8db80ddc RDI: ffffffff8be34680
RBP: ffffc90003366690 R08: ffffc900033661b0 R09: 0000000000000020
R10: dffffc0000000000 R11: ffffffff819dd480 R12: ffff8880b8728708
R13: ffffffff81bfbab7 R14: ffff8880268bbc00 R15: 0000000000000000
FS:  00007feba956d6c0(0000) GS:ffff888125ce3000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000000a000 CR3: 0000000077e9a000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 kcov_remote_start_common include/linux/kcov.h:50 [inline]
 ieee80211_rx_list+0x539/0x2d50 net/mac80211/rx.c:5389
 ieee80211_rx_napi+0x1a8/0x3d0 net/mac80211/rx.c:5430
 ieee80211_rx include/net/mac80211.h:5206 [inline]
 ieee80211_handle_queued_frames+0xe8/0x1f0 net/mac80211/main.c:442
 ieee80211_stop_device+0x3e/0xf0 net/mac80211/util.c:1563
 ieee80211_do_stop+0x17e7/0x1fb0 net/mac80211/iface.c:721
 ieee80211_stop+0x1b1/0x240 net/mac80211/iface.c:814
 __dev_close_many+0x364/0x6f0 net/core/dev.c:1755
 __dev_close net/core/dev.c:1767 [inline]
 __dev_change_flags+0x2c7/0x6d0 net/core/dev.c:9519
 netif_change_flags+0x88/0x1a0 net/core/dev.c:9584
 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3143
 rtnl_group_changelink net/core/rtnetlink.c:3775 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3929 [inline]
 rtnl_newlink+0x149f/0x1c70 net/core/rtnetlink.c:4057
 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6946
 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:729
 ____sys_sendmsg+0x505/0x830 net/socket.c:2614
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668
 __sys_sendmsg net/socket.c:2700 [inline]
 __do_sys_sendmsg net/socket.c:2705 [inline]
 __se_sys_sendmsg net/socket.c:2703 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feba878e9a9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007feba956d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007feba89b5fa0 RCX: 00007feba878e9a9
RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000005
RBP: 00007feba8810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007feba89b5fa0 R15: 00007ffc7426e678
 </TASK>