Re: [syzbot] [exfat?] general protection fault in exfat_utf16_to_nls

syzbot
2025-09-25T18:11:02Z

syzbot has bisected this issue to:

commit acab02ffcd6b1e796570ffa9658c90c8f09caae3
Author: Yuezhang Mo <Yuezhang.Mo@sony.com>
Date: Thu Sep 11 08:54:31 2025 +0000

exfat: support modifying mount options via remount

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1617ace2580000
start commit: b5a4da2c459f Add linux-next specific files for 20250924
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=1517ace2580000
console output: https://syzkaller.appspot.com/x/log.txt?x=1117ace2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=fc64d939cce41d2
dashboard link: https://syzkaller.appspot.com/bug?extid=3e9cb93e3c5f90d28e19
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16e7d4e2580000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14596142580000

Reported-by: syzbot+3e9cb93e3c5f90d28e19@syzkaller.appspotmail.com
Fixes: acab02ffcd6b ("exfat: support modifying mount options via remount")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection