linux-kernel - Re: [syzbot] [ntfs3?] KASAN: use-after-free Read in ntfs_attr

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Message-ID: <0000000000000a1c180614016bc9@google.com>
Date: Tue, 19 Mar 2024 04:03:03 -0700
From: syzbot <syzbot+ef50f8eb00b54feb7ba2@...kaller.appspotmail.com>
To: almaz.alexandrovich@...agon-software.com, anton@...era.com, 
	brauner@...nel.org, david@...morbit.com, ghandatmanas@...il.com, 
	linkinjeon@...nel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel-mentees@...ts.linuxfoundation.org, linux-kernel@...r.kernel.org, 
	linux-ntfs-dev@...ts.sourceforge.net, ntfs3@...ts.linux.dev, 
	syzkaller-bugs@...glegroups.com, syzkaller@...glegroups.com, 
	willy@...radead.org
Subject: Re: [syzbot] [ntfs3?] KASAN: use-after-free Read in ntfs_attr_find (2)

syzbot suspects this issue was fixed by commit:

commit 7ffa8f3d30236e0ab897c30bdb01224ff1fe1c89
Author: Matthew Wilcox (Oracle) <willy@...radead.org>
Date:   Mon Jan 15 07:20:25 2024 +0000

    fs: Remove NTFS classic

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=11fafac9180000
start commit:   9d64bf433c53 Merge tag 'perf-tools-for-v6.8-1-2024-01-09' ..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=7a6ff9d9d5d2dc4a
dashboard link: https://syzkaller.appspot.com/bug?extid=ef50f8eb00b54feb7ba2
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13d79fbde80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14be4a73e80000

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

#syz fix: fs: Remove NTFS classic

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