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From: Dave Hansen <dave.hansen@intel.com>
To: 白烁冉 <baishuoran@hrbeu.edu.cn>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Ingo Molnar" <mingo@redhat.com>,
	"Borislav Petkov" <bp@alien8.de>,
	"Dave Hansen" <dave.hansen@linux.intel.com>
Cc: Kun Hu <huk23@m.fudan.edu.cn>, Jiaji Qin <jjtan24@m.fudan.edu.cn>,
	x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
	linux-kernel@vger.kernel.org
Subject: Re: KASAN: vmalloc-out-of-bounds Read in copy_from_buffer
Date: Mon, 21 Jul 2025 10:32:56 -0700	[thread overview]
Message-ID: <73f0635b-b47c-40a7-b63c-b2a4fa0d881a@intel.com> (raw)
In-Reply-To: <7da48a7f.1563c.1981ce80f5b.Coremail.baishuoran@hrbeu.edu.cn>

On 7/18/25 02:40, 白烁冉 wrote:
> When using our customized Syzkaller to fuzz the latest Linux kernel,
> the following crash was triggered.

This looks like it can only be triggered with privileges. I'd certainly
take a patch to fix it, but it seems like something that is very
unlikely to be an issue in practice, so not a super high priority.

If you could actually narrow down precisely what overflowed or where the
code went wrong, I might take a closer look.

      reply	other threads:[~2025-07-21 17:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-18  9:40 白烁冉
2025-07-21 17:32 ` Dave Hansen [this message]

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