linux-kernel - Re: [syzbot] [ntfs3?] KASAN: out-of-bounds Read in ntfs_set

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Date:   Tue, 31 Jan 2023 08:17:17 -0800
From:   syzbot <syzbot+8778f030156c6cd16d72@...kaller.appspotmail.com>
To:     almaz.alexandrovich@...agon-software.com,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev,
        nathan@...nel.org, ndesaulniers@...gle.com, ntfs3@...ts.linux.dev,
        syzkaller-bugs@...glegroups.com, trix@...hat.com
Subject: Re: [syzbot] [ntfs3?] KASAN: out-of-bounds Read in ntfs_set_ea

syzbot suspects this issue was fixed by commit:

commit 0e8235d28f3a0e9eda9f02ff67ee566d5f42b66b
Author: Konstantin Komarov <almaz.alexandrovich@...agon-software.com>
Date:   Mon Oct 10 10:15:33 2022 +0000

    fs/ntfs3: Check fields while reading

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11d9c385480000
start commit:   02bf43c7b7f7 Merge tag 'fs.xattr.simple.rework.rbtree.rwlo..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=8c59170b68d26a55
dashboard link: https://syzkaller.appspot.com/bug?extid=8778f030156c6cd16d72
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=136b8f57880000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=175ca3a3880000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs/ntfs3: Check fields while reading

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