WARNING in restore_regulatory_settings (2)

Status: auto-obsoleted due to no activity on 2025/06/21 05:25
Reported-by: syzbot+69282f8bb1da578bb25e@syzkaller.appspotmail.com
First crash: 523d, last: 523d
▶ ▼ Similar bugs (10)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in restore_regulatory_settings -1 syz, C error 2 1143d 1143d 0/3 auto-obsoleted due to no activity on 2023/10/10 11:07
linux-5.15 WARNING in restore_regulatory_settings (3) -1 1 524d 524d 0/3 auto-obsoleted due to no activity on 2025/06/21 02:37
upstream WARNING in restore_regulatory_settings -1 syz, C done 10414 2172d 2416d 15/29 fixed on 2020/09/25 01:17
linux-5.15 WARNING in restore_regulatory_settings (2) -1 2 930d 930d 0/3 auto-obsoleted due to no activity on 2024/05/10 19:25
upstream WARNING in restore_regulatory_settings (2) wireless -1 syz, C done error 33 851d 1139d 0/29 auto-obsoleted due to no activity on 2024/07/28 05:16
linux-6.1 WARNING in restore_regulatory_settings -1 1 930d 930d 0/3 auto-obsoleted due to no activity on 2024/05/10 17:04
upstream WARNING in restore_regulatory_settings (3) wireless -1 syz, C inconclusive error 2 596d 679d 28/29 fixed on 2025/06/10 16:19
linux-4.14 WARNING in restore_regulatory_settings (2) -1 syz, C error 1 1437d 1497d 0/1 upstream: reported C repro on 2022/07/13 03:16
linux-4.19 WARNING in restore_regulatory_settings -1 syz, C error 1613 1498d 2416d 0/1 upstream: reported C repro on 2020/01/06 09:29
linux-4.14 WARNING in restore_regulatory_settings -1 syz, C done 2264 2169d 2415d 1/1 fixed on 2020/10/09 20:44

Sample crash report:
------------[ cut here ]------------
Unexpected user alpha2: Aż
WARNING: CPU: 0 PID: 6234 at net/wireless/reg.c:440 is_user_regdom_saved net/wireless/reg.c:438 [inline]
WARNING: CPU: 0 PID: 6234 at net/wireless/reg.c:440 restore_alpha2 net/wireless/reg.c:3432 [inline]
WARNING: CPU: 0 PID: 6234 at net/wireless/reg.c:440 restore_regulatory_settings+0x368/0x1b30 net/wireless/reg.c:3524
Modules linked in:
CPU: 0 PID: 6234 Comm: kworker/u4:13 Not tainted 6.1.130-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_power_efficient crda_timeout_work
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : is_user_regdom_saved net/wireless/reg.c:438 [inline]
pc : restore_alpha2 net/wireless/reg.c:3432 [inline]
pc : restore_regulatory_settings+0x368/0x1b30 net/wireless/reg.c:3524
lr : is_user_regdom_saved net/wireless/reg.c:438 [inline]
lr : restore_alpha2 net/wireless/reg.c:3432 [inline]
lr : restore_regulatory_settings+0x368/0x1b30 net/wireless/reg.c:3524
sp : ffff800022317a00
x29: ffff800022317af0 x28: ffff800022317aa8 x27: ffff800022317aa0
x26: ffff0000c2e0cc18 x25: ffff0000c2e0cc10 x24: 0000000000000000
x23: dfff800000000000 x22: 0000000000000041 x21: 0000000000000001
x20: 1ffff00004462f55 x19: ffff80001d1bb000 x18: ffff800022316e80
x17: 0000000000000000 x16: ffff80001232a73c x15: 0000000000000000
x14: 00000000ffffffff x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 9cea56728d381a00
x8 : 9cea56728d381a00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff8000223172f8 x4 : ffff800015be5320 x3 : ffff800008588888
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000
Call trace:
 is_user_regdom_saved net/wireless/reg.c:438 [inline]
 restore_alpha2 net/wireless/reg.c:3432 [inline]
 restore_regulatory_settings+0x368/0x1b30 net/wireless/reg.c:3524
 crda_timeout_work+0x38/0x68 net/wireless/reg.c:540
 process_one_work+0x804/0x1484 kernel/workqueue.c:2292
 worker_thread+0x8e4/0xfec kernel/workqueue.c:2439
 kthread+0x250/0x2d8 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:864
irq event stamp: 3137730
hardirqs last  enabled at (3137729): [<ffff800008340490>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:261
hardirqs last disabled at (3137730): [<ffff80001232641c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (3137698): [<ffff8000120988d0>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (3137698): [<ffff8000120988d0>] batadv_nc_purge_paths+0x2f4/0x378 net/batman-adv/network-coding.c:471
softirqs last disabled at (3137696): [<ffff8000120986ac>] spin_lock_bh include/linux/spinlock.h:356 [inline]
softirqs last disabled at (3137696): [<ffff8000120986ac>] batadv_nc_purge_paths+0xd0/0x378 net/batman-adv/network-coding.c:442
---[ end trace 0000000000000000 ]---

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/03/13 05:24 linux-6.1.y 6ae7ac5c4251 1a5d9317 .config console log report info ci2-linux-6-1-kasan-arm64 WARNING in restore_regulatory_settings
* Struck through repros no longer work on HEAD.