Re: [syzbot] [ext4?] WARNING in __find_get_block (2)

From: syzbot
Date: Tue Dec 17 2024 - 09:37:05 EST


syzbot has bisected this issue to:

commit 8a3f5711ad74db9881b289a6e34d7f3b700df720
Author: Yuezhang Mo <Yuezhang.Mo@xxxxxxxx>
Date: Thu Sep 12 08:57:06 2024 +0000

exfat: reduce FAT chain traversal

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=156b5730580000
start commit: f44d154d6e3d Merge tag 'soc-fixes-6.13' of git://git.kerne..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=176b5730580000
console output: https://syzkaller.appspot.com/x/log.txt?x=136b5730580000
kernel config: https://syzkaller.appspot.com/x/.config?x=1234f097ee657d8b
dashboard link: https://syzkaller.appspot.com/bug?extid=3c9f079f8fb1d7d331be
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15e302df980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1265b4f8580000

Reported-by: syzbot+3c9f079f8fb1d7d331be@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 8a3f5711ad74 ("exfat: reduce FAT chain traversal")

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