Re: [syzbot] KASAN: slab-out-of-bounds Read in ntfs_trim_fs

From: syzbot
Date: Sun Oct 02 2022 - 16:04:27 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=17b6daf4880000
start commit: f76349cf4145 Linux 6.0-rc7
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1476daf4880000
console output: https://syzkaller.appspot.com/x/log.txt?x=1076daf4880000
kernel config: https://syzkaller.appspot.com/x/.config?x=ba0d23aa7e1ffaf5
dashboard link: https://syzkaller.appspot.com/bug?extid=b892240eac461e488d51
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=133c8540880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11b74870880000

Reported-by: syzbot+b892240eac461e488d51@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 6e5be40d32fb ("fs/ntfs3: Add NTFS3 in fs/Kconfig and fs/Makefile")

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