Hello, syzbot found the following issue on: HEAD commit: 6352a698ca5b Add linux-next specific files for 20230630 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=11f564a4a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=39b764f3018462fe dashboard link: https://syzkaller.appspot.com/bug?extid=dfe2fbeb4e710bbaddf9 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1640f4a0a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11a10c40a80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/55254daea013/disk-6352a698.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/cb343779c938/vmlinux-6352a698.xz kernel image: https://storage.googleapis.com/syzbot-assets/3d451333dab6/bzImage-6352a698.xz The issue was bisected to: commit ae220766d87cd6799dbf918fea10613ae14c0654 Author: Christoph Hellwig <hch@xxxxxx> Date: Thu Jun 8 11:02:37 2023 +0000 block: remove the unused mode argument to ->release bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1340a3f0a80000 final oops: https://syzkaller.appspot.com/x/report.txt?x=10c0a3f0a80000 console output: https://syzkaller.appspot.com/x/log.txt?x=1740a3f0a80000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+dfe2fbeb4e710bbaddf9@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: ae220766d87c ("block: remove the unused mode argument to ->release") ------------[ cut here ]------------ Unexpected user alpha2: �I WARNING: CPU: 0 PID: 9 at net/wireless/reg.c:438 is_user_regdom_saved net/wireless/reg.c:438 [inline] WARNING: CPU: 0 PID: 9 at net/wireless/reg.c:438 restore_alpha2 net/wireless/reg.c:3399 [inline] WARNING: CPU: 0 PID: 9 at net/wireless/reg.c:438 restore_regulatory_settings+0x210/0x1760 net/wireless/reg.c:3491 Modules linked in: CPU: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.4.0-next-20230630-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:438 [inline] RIP: 0010:restore_alpha2 net/wireless/reg.c:3399 [inline] RIP: 0010:restore_regulatory_settings+0x210/0x1760 net/wireless/reg.c:3491 Code: e6 03 44 89 f6 e8 50 d7 09 f8 45 84 f6 0f 85 7a 07 00 00 e8 62 db 09 f8 44 89 e2 44 89 ee 48 c7 c7 20 bc 9f 8b e8 c0 2b d1 f7 <0f> 0b e8 49 db 09 f8 48 8b 1d d2 80 f8 04 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc900000e7c30 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 00000000000000bf RCX: 0000000000000000 RDX: ffff888016a68000 RSI: ffffffff814c65a7 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000049 R13: 00000000000000bf R14: 0000000000000000 R15: ffff8880b983bb80 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 0000000073e5d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> crda_timeout_work+0x28/0x50 net/wireless/reg.c:540 process_one_work+0xa34/0x16f0 kernel/workqueue.c:2597 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2748 kthread+0x344/0x440 kernel/kthread.c:389 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection If the bug is already fixed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to change bug's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the bug is a duplicate of another bug, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
