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

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Date: Mon, 11 Mar 2024 17:23:13 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+b4084c18420f9fad0b4f@...kaller.appspotmail.com>
Cc: almaz.alexandrovich@...agon-software.com, axboe@...nel.dk,
	brauner@...nel.org, jack@...e.cz, kari.argillander@...il.com,
	linux-fsdevel@...r.kernel.org, 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: slab-out-of-bounds Read in ntfs_iget5

On Sat 09-03-24 13:19:04, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
> 
> commit 6f861765464f43a71462d52026fbddfc858239a5
> Author: Jan Kara <jack@...e.cz>
> Date:   Wed Nov 1 17:43:10 2023 +0000
> 
>     fs: Block writes to mounted block devices
> 
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1649668e180000
> start commit:   3800a713b607 Merge tag 'mm-hotfixes-stable-2022-09-26' of ..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=755695d26ad09807
> dashboard link: https://syzkaller.appspot.com/bug?extid=b4084c18420f9fad0b4f
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13ccc59c880000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10928774880000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
 
#syz fix: fs: Block writes to mounted block devices

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR