netdev - [syzbot] WARNING in ieee80211_do

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Message-ID: <00000000000054c80705e4305617@google.com>
Date:   Tue, 19 Jul 2022 15:52:21 -0700
From:   syzbot <syzbot+947c6f69525f513f8f14@...kaller.appspotmail.com>
To:     davem@...emloft.net, edumazet@...gle.com,
        johannes@...solutions.net, kuba@...nel.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, pabeni@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: [syzbot] WARNING in ieee80211_do_stop

Hello,

syzbot found the following issue on:

HEAD commit:    cb71b93c2dc3 Add linux-next specific files for 20220628
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=1369f77c080000
kernel config:  https://syzkaller.appspot.com/x/.config?x=badbc1adb2d582eb
dashboard link: https://syzkaller.appspot.com/bug?extid=947c6f69525f513f8f14
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Unfortunately, I don't have any reproducer for this issue yet.

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+947c6f69525f513f8f14@...kaller.appspotmail.com

netdevsim netdevsim5 netdevsim1: unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim5 netdevsim2: unset [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim5 netdevsim3: unset [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 581 at net/mac80211/iface.c:428 ieee80211_do_stop+0x23e/0x2090 net/mac80211/iface.c:428
Modules linked in:
CPU: 0 PID: 581 Comm: syz-executor.5 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
RIP: 0010:ieee80211_do_stop+0x23e/0x2090 net/mac80211/iface.c:428
Code: 00 89 ee e8 44 56 b4 f8 83 fd 04 0f 84 34 0b 00 00 e8 66 59 b4 f8 31 ff 44 89 e6 e8 2c 56 b4 f8 45 85 e4 7e 07 e8 52 59 b4 f8 <0f> 0b e8 4b 59 b4 f8 48 8b 44 24 10 48 8d b8 f8 08 00 00 48 b8 00
RSP: 0018:ffffc900148e6ef8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888063179568 RCX: ffffc90003944000
RDX: 0000000000040000 RSI: ffffffff88c65dbe RDI: 0000000000000005
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
R13: ffff888063178c80 R14: ffff888063178c80 R15: ffff888063178268
FS:  00007ff2e381d700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18f9f6d058 CR3: 000000006e168000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 ieee80211_stop+0xc5/0x600 net/mac80211/iface.c:686
 __dev_close_many+0x1b6/0x2e0 net/core/dev.c:1516
 __dev_close net/core/dev.c:1528 [inline]
 __dev_change_flags+0x2ca/0x750 net/core/dev.c:8549
 dev_change_flags+0x93/0x170 net/core/dev.c:8622
 do_setlink+0x961/0x3bb0 net/core/rtnetlink.c:2780
 rtnl_group_changelink net/core/rtnetlink.c:3302 [inline]
 __rtnl_newlink+0xb96/0x17e0 net/core/rtnetlink.c:3556
 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3593
 rtnetlink_rcv_msg+0x43a/0xc90 net/core/rtnetlink.c:6089
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:734
 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2485
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2539
 __sys_sendmsg net/socket.c:2568 [inline]
 __do_sys_sendmsg net/socket.c:2577 [inline]
 __se_sys_sendmsg net/socket.c:2575 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2575
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7ff2e2689199
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff2e381d168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007ff2e279bf60 RCX: 00007ff2e2689199
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000006
RBP: 00007ff2e26e313b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffee21e618f R14: 00007ff2e381d300 R15: 0000000000022000
 </TASK>


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