[syzbot] [wireless?] WARNING in ieee80211_tdls_oper (2)

[syzbot]

Hello,

syzbot found the following issue on:

HEAD commit: 4ea5af085908 Merge tag 'pm-6.17-rc8' of git://git.kernel.o..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1629ed34580000
kernel config: https://syzkaller.appspot.com/x/.config?x=bf99f2510ef92ba5
dashboard link: https://syzkaller.appspot.com/bug?extid=665dd2d6eb222ac6a6ab
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=123634e2580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1129ed34580000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-4ea5af08.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/7ad79540e83d/vmlinux-4ea5af08.xz
kernel image: https://storage.googleapis.com/syzbot-assets/1e92b3f5e3f3/bzImage-4ea5af08.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+665dd2...@syzkaller.appspotmail.com

mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5569 at net/mac80211/tdls.c:1461 ieee80211_tdls_oper+0x38f/0x680 net/mac80211/tdls.c:1460
Modules linked in:
CPU: 0 UID: 0 PID: 5569 Comm: syz.0.19 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_tdls_oper+0x38f/0x680 net/mac80211/tdls.c:1460
Code: 6f 01 00 00 e8 a2 e0 b1 f6 eb 22 e8 9b e0 b1 f6 4c 89 e2 eb 21 e8 91 e0 b1 f6 b8 bd ff ff ff e9 21 fe ff ff e8 82 e0 b1 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:ffffc9000caa7320 EFLAGS: 00010293
RAX: ffffffff8b0ddcbe RBX: dffffc0000000000 RCX: ffff888032f20000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888011f50187 R09: 1ffff110023ea030
R10: dffffc0000000000 R11: ffffed10023ea031 R12: ffff88804e3e5d2e
R13: ffff88804e3e4d80 R14: 1ffff11009c7cae4 R15: 0000000000000000
FS: 0000555560f3b500(0000) GS:ffff88808d007000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c008670000 CR3: 00000000440e0000 CR4: 0000000000352ef0
Call Trace:
<TASK>
rdev_tdls_oper net/wireless/rdev-ops.h:945 [inline]
nl80211_tdls_oper+0x285/0x440 net/wireless/nl80211.c:13249
genl_family_rcv_msg_doit+0x215/0x300 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+0x205/0x470 net/netlink/af_netlink.c:2552
genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
netlink_unicast+0x82f/0x9e0 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+0x21c/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: 0033:0x7fdcac18eec9
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:00007ffe2622fcd8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fdcac3e5fa0 RCX: 00007fdcac18eec9
RDX: 0000000000000050 RSI: 0000200000000240 RDI: 0000000000000005
RBP: 00007fdcac211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fdcac3e5fa0 R14: 00007fdcac3e5fa0 R15: 0000000000000003
</TASK>


---
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[Ahmet Eray Karadag]

#syz test

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+665dd2...@syzkaller.appspotmail.com
Tested-by: syzbot+665dd2...@syzkaller.appspotmail.com

Tested on:

commit: 4ff71af0 Merge tag 'net-6.17-rc8' of git://git.kernel...
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=101874e2580000

kernel config: https://syzkaller.appspot.com/x/.config?x=bf99f2510ef92ba5
dashboard link: https://syzkaller.appspot.com/bug?extid=665dd2d6eb222ac6a6ab
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8

patch: https://syzkaller.appspot.com/x/patch.diff?x=163cdce2580000

Note: testing is done by a robot and is best-effort only.