syzbot


WARNING in restore_regulatory_settings (3)

Status: upstream: reported C repro on 2024/10/08 09:00
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+e10709ac3c44f3d4e800@syzkaller.appspotmail.com
First crash: 47d, last: 7d11h
Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in restore_regulatory_settings (log)
Repro: C syz .config
  
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in restore_regulatory_settings (3) 0 (1) 2024/10/08 09:00
Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 WARNING in restore_regulatory_settings C error 2 507d 508d 0/3 auto-obsoleted due to no activity on 2023/10/10 11:07
upstream WARNING in restore_regulatory_settings C done 10414 1536d 1780d 15/28 fixed on 2020/09/25 01:17
linux-5.15 WARNING in restore_regulatory_settings (2) 2 294d 294d 0/3 auto-obsoleted due to no activity on 2024/05/10 19:25
upstream WARNING in restore_regulatory_settings (2) wireless C done error 33 216d 504d 0/28 auto-obsoleted due to no activity on 2024/07/28 05:16
linux-6.1 WARNING in restore_regulatory_settings 1 294d 294d 0/3 auto-obsoleted due to no activity on 2024/05/10 17:04
linux-4.14 WARNING in restore_regulatory_settings (2) C error 1 802d 862d 0/1 upstream: reported C repro on 2022/07/13 03:16
linux-4.19 WARNING in restore_regulatory_settings C error 1613 862d 1780d 0/1 upstream: reported C repro on 2020/01/06 09:29
linux-4.14 WARNING in restore_regulatory_settings C done 2264 1533d 1779d 1/1 fixed on 2020/10/09 20:44
Last patch testing requests (2)
Created Duration User Patch Repo Result
2024/11/13 18:12 19m retest repro upstream report log
2024/10/18 08:58 16m retest repro upstream report log

Sample crash report:
------------[ cut here ]------------
Unexpected user alpha2: Aż
WARNING: CPU: 1 PID: 964 at net/wireless/reg.c:442 is_user_regdom_saved net/wireless/reg.c:440 [inline]
WARNING: CPU: 1 PID: 964 at net/wireless/reg.c:442 restore_alpha2 net/wireless/reg.c:3424 [inline]
WARNING: CPU: 1 PID: 964 at net/wireless/reg.c:442 restore_regulatory_settings+0x3c0/0x1e50 net/wireless/reg.c:3516
Modules linked in:
CPU: 1 UID: 0 PID: 964 Comm: kworker/1:2 Not tainted 6.12.0-rc5-syzkaller-00044-gc1e939a21eb1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_power_efficient crda_timeout_work
RIP: 0010:is_user_regdom_saved net/wireless/reg.c:440 [inline]
RIP: 0010:restore_alpha2 net/wireless/reg.c:3424 [inline]
RIP: 0010:restore_regulatory_settings+0x3c0/0x1e50 net/wireless/reg.c:3516
Code: 88 44 24 1c e9 95 01 00 00 e8 2c ae 82 f6 90 0f b6 35 44 34 6d 0f 0f b6 15 5d 34 6d 0f 48 c7 c7 20 fa 28 8d e8 b1 a3 43 f6 90 <0f> 0b 90 90 4c 8b 35 25 66 de 04 4d 85 f6 0f 84 85 00 00 00 4c 89
RSP: 0018:ffffc900039f7aa0 EFLAGS: 00010246
RAX: ef84efdf466bc700 RBX: 0000000000000000 RCX: ffff888026420000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900039f7ba8 R08: ffffffff8155d252 R09: fffffbfff1cf9fd0
R10: dffffc0000000000 R11: fffffbfff1cf9fd0 R12: ffffffff8ff09700
R13: ffffffff815e9786 R14: ffffc900039f7b40 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f84d7a8d3e8 CR3: 000000000e734000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 crda_timeout_work+0x27/0x50 net/wireless/reg.c:542
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa65/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f2/0x390 kernel/kthread.c:389
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/30 17:53 upstream c1e939a21eb1 66aeb999 .config strace log report syz / log C [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root WARNING in restore_regulatory_settings
2024/10/04 08:56 upstream 3840cbe24cf0 d7906eff .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root WARNING in restore_regulatory_settings
* Struck through repros no longer work on HEAD.