linux-kernel - [syzbot] [wireless?] WARNING in ieee80211_tdls

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Message-ID: <6821fe48.050a0220.f2294.0065.GAE@google.com>
Date: Mon, 12 May 2025 06:57:28 -0700
From: syzbot <syzbot+f73f203f8c9b19037380@...kaller.appspotmail.com>
To: johannes@...solutions.net, linux-kernel@...r.kernel.org, 
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] [wireless?] WARNING in ieee80211_tdls_oper

Hello,

syzbot found the following issue on:

HEAD commit:    d76bb1ebb558 Merge tag 'erofs-for-6.15-rc6-fixes' of git:/..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=17814670580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=91c351a0f6229e67
dashboard link: https://syzkaller.appspot.com/bug?extid=f73f203f8c9b19037380
compiler:       Debian clang version 20.1.2 (++20250402124445+58df0ef89dd6-1~exp1~20250402004600.97), Debian LLD 20.1.2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1744c4d4580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16a5e4f4580000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-d76bb1eb.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/21f7d4121801/vmlinux-d76bb1eb.xz
kernel image: https://storage.googleapis.com/syzbot-assets/453c9d554035/bzImage-d76bb1eb.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+f73f203f8c9b19037380@...kaller.appspotmail.com

mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5415 at net/mac80211/tdls.c:1461 ieee80211_tdls_oper+0x364/0x640 net/mac80211/tdls.c:1460
Modules linked in:
CPU: 0 UID: 0 PID: 5415 Comm: syz-executor228 Not tainted 6.15.0-rc5-syzkaller-00043-gd76bb1ebb558 #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_tdls_oper+0x364/0x640 net/mac80211/tdls.c:1460
Code: 6f 01 00 00 e8 4d 83 d7 f6 eb 22 e8 46 83 d7 f6 4c 89 e2 eb 21 e8 3c 83 d7 f6 b8 bd ff ff ff e9 1c fe ff ff e8 2d 83 d7 f6 90 <0f> 0b 90 4c 8b 7c 24 08 48 8b 14 24 4d 8d a7 2a 1d 00 00 4c 89 e0
RSP: 0018:ffffc9000d3d7380 EFLAGS: 00010293
RAX: ffffffff8ae84d23 RBX: dffffc0000000000 RCX: ffff88801f6f4880
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff8880435d8187 R09: 1ffff110086bb030
R10: dffffc0000000000 R11: ffffed10086bb031 R12: ffff888044381d2e
R13: ffff888044380d80 R14: 1ffff110088702e4 R15: 0000000000000000
FS:  000055556871b380(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff650f3fe8 CR3: 000000001e235000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 rdev_tdls_oper net/wireless/rdev-ops.h:940 [inline]
 nl80211_tdls_oper+0x282/0x440 net/wireless/nl80211.c:12586
 genl_family_rcv_msg_doit+0x212/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x219/0x490 net/netlink/af_netlink.c:2534
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x505/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1c4a288aa9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 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:00007fff650f5058 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f1c4a288aa9
RDX: 00000000000000c0 RSI: 0000200000000240 RDI: 0000000000000003
RBP: 0000200000000240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00002000000001c0
R13: 00002000000001c8 R14: 00007fff650f508c R15: 0000200000000188
 </TASK>


---
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