------------[ cut here ]------------
wlan0: Failed check-sdata-in-driver check, flags: 0x0
WARNING: net/mac80211/driver-ops.c:255 at drv_get_tsf+0x33f/0x760 net/mac80211/driver-ops.c:255, CPU#0: kworker/u8:6/187
Modules linked in:
CPU: 0 UID: 0 PID: 187 Comm: kworker/u8:6 Tainted: G U L syzkaller #0 PREEMPT(full)
Tainted: [U]=USER, [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:drv_get_tsf+0x345/0x760 net/mac80211/driver-ops.c:255
Code: 0a 00 00 4d 85 ed 0f 84 23 03 00 00 e8 d4 00 02 f7 49 81 c5 20 01 00 00 e8 c8 00 02 f7 48 8d 3d 71 49 e6 05 44 89 f2 4c 89 ee <67> 48 0f b9 3a e9 a6 fd ff ff e8 ac 00 02 f7 65 44 8b 25 98 b4 0c
RSP: 0018:ffffc90003067b78 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88805b660ec0 RCX: ffffffff8b06db27
RDX: 0000000000000000 RSI: ffff88805b660120 RDI: ffffffff90ed24f0
RBP: ffff88805b470f40 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88805b661988
R13: ffff88805b660120 R14: 0000000000000000 R15: ffff88805b4706d8
FS: 0000000000000000(0000) GS:ffff8881242e7000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3491fff8 CR3: 0000000075f50000 CR4: 00000000003526f0
Call Trace:
<TASK>
ieee80211_if_fmt_tsf+0x42/0x70 net/mac80211/debugfs_netdev.c:660
wiphy_locked_debugfs_read_work+0xe6/0x1c0 net/wireless/debugfs.c:168
cfg80211_wiphy_work+0x2b7/0x550 net/wireless/core.c:538
process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
process_scheduled_works kernel/workqueue.c:3405 [inline]
worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
kthread+0x370/0x450 kernel/kthread.c:436
ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
</TASK>
----------------
Code disassembly (best guess):
0: 0a 00 or (%rax),%al
2: 00 4d 85 add %cl,-0x7b(%rbp)
5: ed in (%dx),%eax
6: 0f 84 23 03 00 00 je 0x32f
c: e8 d4 00 02 f7 call 0xf70200e5
11: 49 81 c5 20 01 00 00 add $0x120,%r13
18: e8 c8 00 02 f7 call 0xf70200e5
1d: 48 8d 3d 71 49 e6 05 lea 0x5e64971(%rip),%rdi # 0x5e64995
24: 44 89 f2 mov %r14d,%edx
27: 4c 89 ee mov %r13,%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: e9 a6 fd ff ff jmp 0xfffffdda
34: e8 ac 00 02 f7 call 0xf70200e5
39: 65 gs
3a: 44 rex.R
3b: 8b .byte 0x8b
3c: 25 .byte 0x25
3d: 98 cwtl
3e: b4 0c mov $0xc,%ah