Re: [syzbot] KASAN: out-of-bounds Write in end_buffer_read_sync

From: syzbot
Date: Sat Aug 06 2022 - 16:48:14 EST


syzbot has bisected this issue to:

commit 6e5be40d32fb1907285277c02e74493ed43d77fe
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Fri Aug 13 14:21:30 2021 +0000

fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14aab3ca080000
start commit: 200e340f2196 Merge tag 'pull-work.dcache' of git://git.ker..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=16aab3ca080000
console output: https://syzkaller.appspot.com/x/log.txt?x=12aab3ca080000
kernel config: https://syzkaller.appspot.com/x/.config?x=a3f4d6985d3164cd
dashboard link: https://syzkaller.appspot.com/bug?extid=3f7f291a3d327486073c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15e211fa080000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14866761080000

Reported-by: syzbot+3f7f291a3d327486073c@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 6e5be40d32fb ("fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile")

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