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Message-ID: <CAJedcCwWh0NV13rSZdU7jCcQKdTTes=AxSQFwYjbFbB0LyFHbw@mail.gmail.com>
Date: Tue, 16 May 2023 12:18:30 +0800
From: Zheng Hacker <hackerzheng666@...il.com>
To: Greg KH <greg@...ah.com>
Cc: oss-security@...ts.openwall.com
Subject: Re: linux kernel 6.3.0: slab-use-after-free Write in
txEnd due to race condition
Greg KH <greg@...ah.com> 于2023年5月15日周一 20:05写道：
>
> On Mon, May 15, 2023 at 09:34:36AM +0800, 蓝色的小羊 wrote:
> > Syzkaller reported an error "slab-use-after-free Write in txEnd".
>
> In the JFS filesystem, right?
>
> <snip>
>
> > fs/jfs/jfs_debug.c | 2 ++
>
> $ ./scripts/get_maintainer.pl fs/jfs/jfs_debug.c
> Dave Kleikamp <shaggy@...nel.org> (odd fixer:JFS FILESYSTEM)
> jfs-discussion@...ts.sourceforge.net (open list:JFS FILESYSTEM)
> linux-kernel@...r.kernel.org (open list)
>
> Any specific reason you didn't send this to the mailing list and
> developers who can review and apply this potential fix to the kernel
> tree?
>
> syzbot-reported issues are not really a new or exciting thing, we get
> loads of them every week (see the syzbot mailing list and summaries).
> What is good is for fixes like this one to be sent to us so that we can
> merge them for all to use.
>
> That is if anyone is actually using the JFS filesystem anymore, it is
> pretty obsolete. Are you using it?
>
Hi Greg,
Sorry for our mistake. My friend is not familiar with the rules. We
should send it to OSS-security after the bug is fixed. The patch now
is sent to the open mailing list. Sorry again for the unintentional
mistake.
Best regards,
Zheng
> thanks,
>
> greg k-h
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