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From: Catalin Marinas <catalin.marinas@arm.com>
To: Evgenii Stepanov <eugenis@google.com>
Cc: Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Ard Biesheuvel <ardb@kernel.org>,
	Robin Murphy <robin.murphy@arm.com>,
	Jisheng Zhang <jszhang@kernel.org>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] arm64: extable: fix null deref in load_unaligned_zeropad.
Date: Mon, 24 Jan 2022 09:56:05 +0000	[thread overview]
Message-ID: <Ye53tbiEt9Z1Jf9/@arm.com> (raw)
In-Reply-To: <20220122023447.1480995-1-eugenis@google.com>

On Fri, Jan 21, 2022 at 06:34:47PM -0800, Evgenii Stepanov wrote:
> ex_handler_load_unaligned_zeropad extracts the source and data register
> numbers from the wrong field of the exception table.

Could you please also include the stack dump if you get one from the
null pointer dereference?

> Fixes: 753b3236

This should be expanded:

Fixes: 753b32368705 ("arm64: extable: add load_unaligned_zeropad() handler")
Cc: <stable@vger.kernel.org> # 5.16.x

Thanks.

-- 
Catalin

  reply	other threads:[~2022-01-24  9:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-22  2:34 [PATCH] arm64: extable: fix null deref in load_unaligned_zeropad Evgenii Stepanov
2022-01-24  9:56 ` Catalin Marinas [this message]
2022-01-25 15:23 ` Mark Rutland
2022-01-25 15:50   ` Mark Rutland
2022-01-25 16:59     ` Evgenii Stepanov
2022-01-25 17:07       ` Mark Rutland

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