From: "Liam R. Howlett" <Liam.Howlett@oracle.com>
To: Kun Hu <huk23@m.fudan.edu.cn>,
akpm@linux-foundation.org, lorenzo.stoakes@oracle.com,
vbabka@suse.cz, jannh@google.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org,
"jjtan24@m.fudan.edu.cn" <jjtan24@m.fudan.edu.cn>
Subject: Re: [syzbot] [mm?] KASAN: slab-use-after-free Read in __mmap_region
Date: Thu, 16 Jan 2025 14:28:53 -0500 [thread overview]
Message-ID: <pnz4hscxzoid7xe3ldsskyqia3nh7tyiou75klv4ofwb7iscpu@ytgzg3nm6hnq> (raw)
In-Reply-To: <hfvevenewnofccufdpvrbridrqrpsfe7wspj5s6bng6bphddqi@hopyq3cuqfs2>
* Liam R. Howlett <Liam.Howlett@oracle.com> [241224 11:35]:
> * Kun Hu <huk23@m.fudan.edu.cn> [241224 07:13]:
> > Hello,
> >
> > When using fuzzer tool to fuzz the latest Linux kernel, the following crash
> > was triggered.
> >
> > HEAD commit: 78d4f34e2115b517bcbfe7ec0d018bbbb6f9b0b8
> > git tree: upstream
> > Console output: https://drive.google.com/file/d/1_GxT_B3JkCE8Q6r6PGgG27uNn5cgzZm3/view?usp=sharing
> > Kernel config: https://drive.google.com/file/d/1RhT5dFTs6Vx1U71PbpenN7TPtnPoa3NI/view?usp=sharing
> > C reproducer: https://drive.google.com/file/d/1zyZSM-hp1UInnE-AA9J3NXmMCV7DCqgf/view?usp=sharing
> > Syzlang reproducer: https://drive.google.com/file/d/1W0yvbKYi6GaAaG0YNeDVacN3eEa8rxot/view?usp=sharing
> >
> > We are triggering the same issue and I hope this information is useful to you. If you fix this issue, please let me know.
>
> The fix is on its way upstream. [1]
>
> It is on the dashboard page of the syzbot report you are responding
> to...
>
> It specifies the closes and reported-by in the commit.
>
> Are you saying it happens with this fix or did you not test the fix?
Anything?
>
> Thanks,
> Liam
>
> [1] https://lore.kernel.org/all/20241206215229.244413-1-lorenzo.stoakes@oracle.com/T/
next prev parent reply other threads:[~2025-01-16 19:29 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-24 12:13 Kun Hu
2024-12-24 16:35 ` Liam R. Howlett
2025-01-16 19:28 ` Liam R. Howlett [this message]
2025-01-17 2:13 ` Fudam
-- strict thread matches above, loose matches on Subject: below --
2024-12-06 21:18 syzbot
2024-12-06 21:29 ` Jann Horn
2024-12-06 21:36 ` Lorenzo Stoakes
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