linux-kernel - [syzbot] [wireless?] WARNING in restore_regulatory

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Message-ID: <6704f4ab.050a0220.1e4d62.0089.GAE@google.com>
Date: Tue, 08 Oct 2024 02:00:27 -0700
From: syzbot <syzbot+e10709ac3c44f3d4e800@...kaller.appspotmail.com>
To: davem@...emloft.net, edumazet@...gle.com, johannes@...solutions.net, 
	kuba@...nel.org, linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org, 
	netdev@...r.kernel.org, pabeni@...hat.com, syzkaller-bugs@...glegroups.com
Subject: [syzbot] [wireless?] WARNING in restore_regulatory_settings (3)

Hello,

syzbot found the following issue on:

HEAD commit:    3840cbe24cf0 sched: psi: fix bogus pressure spikes from ag..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=169ff527980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=f95955e3f7b5790c
dashboard link: https://syzkaller.appspot.com/bug?extid=e10709ac3c44f3d4e800
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14310d80580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=119ff527980000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-3840cbe2.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/55888d19e055/vmlinux-3840cbe2.xz
kernel image: https://storage.googleapis.com/syzbot-assets/f6b8ca10a019/bzImage-3840cbe2.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+e10709ac3c44f3d4e800@...kaller.appspotmail.com

------------[ cut here ]------------
Unexpected user alpha2: ��
WARNING: CPU: 0 PID: 1338 at net/wireless/reg.c:442 is_user_regdom_saved net/wireless/reg.c:440 [inline]
WARNING: CPU: 0 PID: 1338 at net/wireless/reg.c:442 restore_alpha2 net/wireless/reg.c:3424 [inline]
WARNING: CPU: 0 PID: 1338 at net/wireless/reg.c:442 restore_regulatory_settings+0x3c0/0x1e50 net/wireless/reg.c:3516
Modules linked in:
CPU: 0 UID: 0 PID: 1338 Comm: kworker/0:3 Not tainted 6.12.0-rc1-syzkaller-00114-g3840cbe24cf0 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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 ac 4f 84 f6 90 0f b6 35 34 5c 6e 0f 0f b6 15 4d 5c 6e 0f 48 c7 c7 00 e6 28 8d e8 31 44 45 f6 90 <0f> 0b 90 90 4c 8b 35 d5 e0 df 04 4d 85 f6 0f 84 85 00 00 00 4c 89
RSP: 0000:ffffc90002cdfaa0 EFLAGS: 00010246
RAX: 75bf7dfc993e6800 RBX: 0000000000000000 RCX: ffff8880003c4880
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90002cdfba8 R08: ffffffff8155daa2 R09: 1ffff11003f8519a
R10: dffffc0000000000 R11: ffffed1003f8519b R12: ffffffff8ff07980
R13: ffffffff815e9c86 R14: ffffc90002cdfb40 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd4b8ff8760 CR3: 0000000011d4a000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 crda_timeout_work+0x27/0x50 net/wireless/reg.c:542
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>


---
This report is generated by a bot. It may contain errors.
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