batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
------------[ cut here ]------------
WARNING: CPU: 3 PID: 7935 at net/mac80211/iface.c:510 ieee80211_do_stop+0x2c9/0x2520 net/mac80211/iface.c:510
Modules linked in:
CPU: 3 UID: 0 PID: 7935 Comm: syz.3.530 Not tainted syzkaller #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:ieee80211_do_stop+0x2c9/0x2520 net/mac80211/iface.c:510
Code: 89 de e8 da 8a b2 f6 83 fb 04 0f 84 2a 0c 00 00 e8 8c 8f b2 f6 31 ff 44 89 f6 e8 c2 8a b2 f6 45 85 f6 7e 09 e8 78 8f b2 f6 90 <0f> 0b 90 e8 6f 8f b2 f6 49 8d bc 24 a8 09 00 00 48 b8 00 00 00 00
RSP: 0018:ffffc9000324ec80 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000007 RCX: ffffc9000c001000
RDX: 0000000000080000 RSI: ffffffff8b08fed8 RDI: 0000000000000005
RBP: ffffc9000324ee70 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880464a4d80
R13: ffffc9000324ed60 R14: 0000000000000001 R15: ffff8880464a4008
FS:  00007fc617eb86c0(0000) GS:ffff8880d69b5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc4f6c93f98 CR3: 000000005d644000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 ieee80211_stop+0x169/0x320 net/mac80211/iface.c:814
 __dev_close_many+0x29b/0x760 net/core/dev.c:1755
 __dev_close net/core/dev.c:1767 [inline]
 __dev_change_flags+0x4d8/0x720 net/core/dev.c:9547
 netif_change_flags+0x8d/0x160 net/core/dev.c:9612
 do_setlink.constprop.0+0xb53/0x4380 net/core/rtnetlink.c:3143
 rtnl_group_changelink net/core/rtnetlink.c:3775 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3929 [inline]
 rtnl_newlink+0x18e0/0x2000 net/core/rtnetlink.c:4057
 rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6946
 netlink_rcv_skb+0x155/0x420 net/netlink/af_netlink.c:2552
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg net/socket.c:729 [inline]
 ____sys_sendmsg+0xa98/0xc70 net/socket.c:2614
 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2668
 __sys_sendmsg+0x16d/0x220 net/socket.c:2700
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc616f8ebe9
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:00007fc617eb8038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fc6171c5fa0 RCX: 00007fc616f8ebe9
RDX: 0000000000000000 RSI: 0000200000000040 RDI: 0000000000000008
RBP: 00007fc617011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc6171c6038 R14: 00007fc6171c5fa0 R15: 00007fff7a9fad48
 </TASK>