------------[ cut here ]------------
wlan0: Failed check-sdata-in-driver check, flags: 0x0
WARNING: net/mac80211/driver-ops.h:1723 at drv_can_activate_links net/mac80211/driver-ops.h:1723 [inline], CPU#0: kworker/u10:2/6272
WARNING: net/mac80211/driver-ops.h:1723 at ieee80211_set_active_links+0x2d0/0x9d0 net/mac80211/link.c:597, CPU#0: kworker/u10:2/6272
Modules linked in:
CPU: 0 UID: 0 PID: 6272 Comm: kworker/u10:2 Tainted: G U L syzkaller #0 PREEMPT(full)
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:drv_can_activate_links net/mac80211/driver-ops.h:1723 [inline]
RIP: 0010:ieee80211_set_active_links+0x2d7/0x9d0 net/mac80211/link.c:597
Code: 06 00 00 e8 8b 8a 05 f7 48 8b 34 24 48 81 c6 20 01 00 00 48 89 34 24 e8 77 8a 05 f7 48 8d 3d c0 ea e7 05 48 8b 34 24 44 89 fa <67> 48 0f b9 3a e9 e0 fe ff ff e8 5a 8a 05 f7 0f b7 c5 4c 8d bb 30
RSP: 0018:ffffc9000ef0faf0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888145ae2a90 RCX: ffffffff8b028aae
RDX: 0000000000000000 RSI: ffff888145ae0120 RDI: ffffffff90ea75d0
RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888145ae17f8
R13: 0000000000000000 R14: ffff888029458e80 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88812434d000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31118ff8 CR3: 000000000e598000 CR4: 00000000003526f0
Call Trace:
<TASK>
ieee80211_if_parse_active_links+0xbb/0x120 net/mac80211/debugfs_netdev.c:732
wiphy_locked_debugfs_write_work+0xe6/0x1c0 net/wireless/debugfs.c:248
cfg80211_wiphy_work+0x446/0x5c0 net/wireless/core.c:440
process_one_work+0x9d7/0x1920 kernel/workqueue.c:3275
process_scheduled_works kernel/workqueue.c:3358 [inline]
worker_thread+0x5da/0xe40 kernel/workqueue.c:3439
kthread+0x370/0x450 kernel/kthread.c:436
ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 00 00 add %al,(%rax)
2: e8 8b 8a 05 f7 call 0xf7058a92
7: 48 8b 34 24 mov (%rsp),%rsi
b: 48 81 c6 20 01 00 00 add $0x120,%rsi
12: 48 89 34 24 mov %rsi,(%rsp)
16: e8 77 8a 05 f7 call 0xf7058a92
1b: 48 8d 3d c0 ea e7 05 lea 0x5e7eac0(%rip),%rdi # 0x5e7eae2
22: 48 8b 34 24 mov (%rsp),%rsi
26: 44 89 fa mov %r15d,%edx
* 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2e: e9 e0 fe ff ff jmp 0xffffff13
33: e8 5a 8a 05 f7 call 0xf7058a92
38: 0f b7 c5 movzwl %bp,%eax
3b: 4c rex.WR
3c: 8d .byte 0x8d
3d: bb .byte 0xbb
3e: 30 .byte 0x30