[v6.1] WARNING in ieee80211_tdls_oper

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May 16, 2026, 10:09:27 AM (3 days ago) May 16
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Hello,

syzbot found the following issue on:

HEAD commit: c27210688955 Linux 6.1.173
git tree: linux-6.1.y
console output: https://syzkaller.appspot.com/x/log.txt?x=1650bfce580000
kernel config: https://syzkaller.appspot.com/x/.config?x=b1adc0bfde2d8a4a
dashboard link: https://syzkaller.appspot.com/bug?extid=a16c095ee3b55f788715
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
userspace arch: arm64

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

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/4cb5bf5356f0/disk-c2721068.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/b3e6413ae0e6/vmlinux-c2721068.xz
kernel image: https://storage.googleapis.com/syzbot-assets/6903bc5d334e/Image-c2721068.gz.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+a16c09...@syzkaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 1 PID: 7625 at net/mac80211/tdls.c:1398 ieee80211_tdls_oper+0x2e4/0x578 net/mac80211/tdls.c:1397
Modules linked in:
CPU: 1 PID: 7625 Comm: syz.6.727 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : ieee80211_tdls_oper+0x2e4/0x578 net/mac80211/tdls.c:1397
lr : ieee80211_tdls_oper+0x2e4/0x578 net/mac80211/tdls.c:1397
sp : ffff800022837310
x29: ffff800022837320 x28: 0000000000000000 x27: 0000000000000000
x26: 1fffe0001ab722b5 x25: dfff800000000000 x24: 0000000000000000
x23: ffff0000d5b91c76 x22: ffff0000c9e9f020 x21: ffff0000d5b915a8
x20: ffff0000f5348e80 x19: ffff0000d5b90000 x18: ffff800011b9bf60
x17: ffff80001835b000 x16: ffff8000082d7ed4 x15: 0000000000000002
x14: 0000000000000001 x13: 1ffff00004506e4c x12: 0000000000080000
x11: 00000000000022c6 x10: ffff80002191b000 x9 : ffff8000113dff1c
x8 : 00000000000022c7 x7 : ffff8000113e7ad4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000010 x3 : ffff800011b12e7c
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
ieee80211_tdls_oper+0x2e4/0x578 net/mac80211/tdls.c:1397
rdev_tdls_oper net/wireless/rdev-ops.h:927 [inline]
nl80211_tdls_oper+0x25c/0x4d4 net/wireless/nl80211.c:12252
genl_family_rcv_msg_doit+0x204/0x308 net/netlink/genetlink.c:756
genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
genl_rcv_msg+0x44c/0x640 net/netlink/genetlink.c:850
netlink_rcv_skb+0x218/0x3e8 net/netlink/af_netlink.c:2511
genl_rcv+0x38/0x50 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x60c/0x814 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x6f4/0x9c0 net/netlink/af_netlink.c:1872
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x5c8/0x938 net/socket.c:2518
___sys_sendmsg net/socket.c:2572 [inline]
__sys_sendmsg+0x288/0x374 net/socket.c:2601
__do_sys_sendmsg net/socket.c:2610 [inline]
__se_sys_sendmsg net/socket.c:2608 [inline]
__arm64_sys_sendmsg+0x80/0x94 net/socket.c:2608
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 21282
hardirqs last enabled at (21281): [<ffff800008257b34>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1374 [inline]
hardirqs last enabled at (21281): [<ffff800008257b34>] finish_lock_switch+0xb0/0x1c4 kernel/sched/core.c:5004
hardirqs last disabled at (21282): [<ffff800011a38ab4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last enabled at (21272): [<ffff80000fdd2728>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (21266): [<ffff80000fdd26f4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---


---
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