syzbot


WARNING in restore_regulatory_settings

Status: auto-obsoleted due to no activity on 2023/10/10 11:07
Reported-by: syzbot+11f6ba49d00a96f9d607@syzkaller.appspotmail.com
First crash: 157d, last: 157d
Fix bisection: failed (error log, bisect log)
  
Bug presence (1)
Date Name Commit Repro Result
2023/07/08 upstream (ToT) 8689f4f2ea56 C Didn't crash
Similar bugs (5)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in restore_regulatory_settings C done 10414 1185d 1429d 17/25 fixed on 2020/09/25 01:17
upstream WARNING in restore_regulatory_settings (2) wireless C done error 17 17d 153d 0/25 upstream: reported C repro on 2023/07/06 05:35
linux-4.14 WARNING in restore_regulatory_settings (2) C error 1 451d 511d 0/1 upstream: reported C repro on 2022/07/13 03:16
linux-4.19 WARNING in restore_regulatory_settings C error 1613 511d 1430d 0/1 upstream: reported C repro on 2020/01/06 09:29
linux-4.14 WARNING in restore_regulatory_settings C done 2264 1182d 1428d 1/1 fixed on 2020/10/09 20:44

Sample crash report:
------------[ cut here ]------------
Unexpected user alpha2: I
WARNING: CPU: 1 PID: 21 at net/wireless/reg.c:439 is_user_regdom_saved net/wireless/reg.c:437 [inline]
WARNING: CPU: 1 PID: 21 at net/wireless/reg.c:439 restore_alpha2 net/wireless/reg.c:3372 [inline]
WARNING: CPU: 1 PID: 21 at net/wireless/reg.c:439 restore_regulatory_settings+0x3b4/0x2070 net/wireless/reg.c:3464
Modules linked in:
CPU: 1 PID: 21 Comm: kworker/1:0 Not tainted 5.15.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
Workqueue: events_power_efficient crda_timeout_work
RIP: 0010:is_user_regdom_saved net/wireless/reg.c:437 [inline]
RIP: 0010:restore_alpha2 net/wireless/reg.c:3372 [inline]
RIP: 0010:restore_regulatory_settings+0x3b4/0x2070 net/wireless/reg.c:3464
Code: 05 41 46 f0 07 88 44 24 1c e9 8e 01 00 00 e8 53 74 f3 f7 41 0f be f6 0f be 15 28 46 f0 07 48 c7 c7 40 f5 91 8b e8 5c 40 bf f7 <0f> 0b 4c 8b 35 53 43 31 04 4d 85 f6 0f 84 85 00 00 00 4c 89 f0 48
RSP: 0018:ffffc90000db7b40 EFLAGS: 00010246
RAX: 651a7eb9aaaa3a00 RBX: 0000000000000000 RCX: ffff888012949dc0
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: ffffc90000db7c48 R08: ffffffff8166491c R09: ffffed10173667a0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88813fe1d128 R14: 00000000000000bf R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffee7b5c788 CR3: 00000000722c6000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 crda_timeout_work+0x23/0x50 net/wireless/reg.c:539
 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2307
 worker_thread+0xaca/0x1280 kernel/workqueue.c:2454
 kthread+0x3f6/0x4f0 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/07/02 11:07 linux-5.15.y 4af60700a60c bfc47836 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in restore_regulatory_settings
2023/07/02 05:32 linux-5.15.y 4af60700a60c bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan WARNING in restore_regulatory_settings
* Struck through repros no longer work on HEAD.