From: Mattijs Korpershoek via U-Boot <u-boot@lists.u-boot-project.org>
To: Safae Ouajih <souajih@baylibre.com>,
Simon Glass <sjg@chromium.org>,
u-boot@lists.denx.de, Alexey Charkov <alchark@flipper.net>
Cc: Tom Rini <trini@konsulko.com>,
"Guillaume La Roque (TI.com)" <glaroque@baylibre.com>,
Guillaume Ranquet <ranquet.guillaume@gmail.com>,
Marek Vasut <marek.vasut+renesas@mailbox.org>
Subject: Re: [PATCH] boot: android: fix out-of-bounds access in bootconfig parsing
Date: Wed, 22 Jul 2026 09:07:04 +0200 [thread overview]
Message-ID: <87jyqnijtz.fsf@kernel.org> (raw)
In-Reply-To: <178470329989.163835.6163607000590154751.b4-ty@b4>
On Wed, Jul 22, 2026 at 08:54, Mattijs Korpershoek via U-Boot <u-boot@lists.u-boot-project.org> wrote:
> Hi,
>
> On Wed, 08 Jul 2026 21:32:07 +0400, Alexey Charkov wrote:
>> When android_image_get_vendor_bootimg_size is called, its buffer is only
>> allocated with enough space for the bootconfig header, but the
>> android_vendor_boot_image_v3_v4_parse_hdr helper attempts to append a
>> bootconfig trailer to it, causing an out-of-bounds access and heap
>> corruption in some cases (e.g. triggered in sandbox test builds when
>> extra bootmeths are added, resulting in a segfault of the sandbox
>> process).
>>
>> [...]
>
> Thanks, Applied to https://source.denx.de/u-boot/custodians/u-boot-dfu (u-boot-dfu)
>
> [1/1] boot: android: fix out-of-bounds access in bootconfig parsing
> https://source.denx.de/u-boot/custodians/u-boot-dfu/-/commit/ee3ab6988860d568b0ba0b568e57335cca2809d4
Also applied to new location:
https://git.u-boot-project.org/u-boot/custodians/u-boot-dfu/-/commit/ee3ab6988860d568b0ba0b568e57335cca2809d4
>
> --
> Mattijs
prev parent reply other threads:[~2026-07-22 7:07 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-08 17:32 [PATCH] boot: android: fix out-of-bounds access in bootconfig parsing Alexey Charkov
2026-07-17 13:54 ` Simon Glass
2026-07-21 15:04 ` Mattijs Korpershoek via U-Boot
2026-07-22 6:54 ` Mattijs Korpershoek via U-Boot
2026-07-22 7:07 ` Mattijs Korpershoek via U-Boot [this message]
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