From: Will Deacon <will@kernel.org>
To: Pavel Tatashin <pasha.tatashin@soleen.com>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, jmorris@namei.org,
catalin.marinas@arm.com, tyhicks@linux.microsoft.com
Cc: kernel-team@android.com, Will Deacon <will@kernel.org>
Subject: Re: [PATCH] arm64: kdump: update ppos when reading elfcorehdr
Date: Mon, 22 Mar 2021 13:19:57 +0000 [thread overview]
Message-ID: <161641719902.3900979.10337880549161097433.b4-ty@kernel.org> (raw)
In-Reply-To: <20210319205054.743368-1-pasha.tatashin@soleen.com>
On Fri, 19 Mar 2021 16:50:54 -0400, Pavel Tatashin wrote:
> The ppos points to a position in the old kernel memory (and in case of
> arm64 in the crash kernel since elfcorehdr is passed as a segment). The
> function should update the ppos by the amount that was read. This bug is
> not exposed by accident, but other platforms update this value properly.
> So, fix it in ARM64 version of elfcorehdr_read() as well.
Applied to arm64 (for-next/fixes), thanks!
[1/1] arm64: kdump: update ppos when reading elfcorehdr
https://git.kernel.org/arm64/c/141f8202cfa4
Cheers,
--
Will
https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev
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prev parent reply other threads:[~2021-03-22 13:27 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 20:50 [PATCH] arm64: kdump: update ppos when reading elfcorehdr Pavel Tatashin
2021-03-19 21:07 ` Tyler Hicks
2021-03-22 13:19 ` Will Deacon [this message]
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