Re: [syzbot] [udf?] KASAN: slab-use-after-free Read in udf_free_blocks
From: syzbot
Date: Sat Nov 25 2023 - 06:54:07 EST
syzbot has bisected this issue to:
commit 36273e5b4e3a934c6d346c8f0b16b97e018094af
Author: Christoph Hellwig <hch@xxxxxx>
Date: Sun Nov 13 16:29:02 2022 +0000
udf: remove ->writepage
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14d71cece80000
start commit: 123212f53f3e Add linux-next specific files for 20230707
git tree: linux-next
final oops: https://syzkaller.appspot.com/x/report.txt?x=16d71cece80000
console output: https://syzkaller.appspot.com/x/log.txt?x=12d71cece80000
kernel config: https://syzkaller.appspot.com/x/.config?x=15ec80b62f588543
dashboard link: https://syzkaller.appspot.com/bug?extid=0b7937459742a0a4cffd
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15be1190a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17d4666aa80000
Reported-by: syzbot+0b7937459742a0a4cffd@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 36273e5b4e3a ("udf: remove ->writepage")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection