From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@barebox.org>
Subject: Re: [PATCH] RISC-V: fix stack clobbering in relocate_to_adr
Date: Tue, 16 Sep 2025 08:34:51 +0200 [thread overview]
Message-ID: <175800449158.2052815.15576830295184979168.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20250912083439.2470689-1-a.fatoum@barebox.org>
On Fri, 12 Sep 2025 10:34:38 +0200, Ahmad Fatoum wrote:
> relocate_to_adr is decrementing two SZREG worth of stack space to be able
> to spill two registers. An off-by-one led us to reference the word after
> the reserved stack space, clobbering one word from the previous
> function's stack frame unintentionally.
>
> This this by decrementing the offsets by 1.
>
> [...]
Applied, thanks!
[1/1] RISC-V: fix stack clobbering in relocate_to_adr
https://git.pengutronix.de/cgit/barebox/commit/?id=f3be3a8e9ae8 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2025-09-16 6:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-12 8:34 Ahmad Fatoum
2025-09-16 6:34 ` Sascha Hauer [this message]
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