From: Sascha Hauer <s.hauer@pengutronix.de>
To: barebox@lists.infradead.org, Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: Re: [PATCH 1/2] sandbox: route malloc_usable_size() through the PBL glue again
Date: Wed, 23 Sep 2026 08:09:53 +0200 [thread overview]
Message-ID: <179014379324.2816128.4504755399464080457.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20260922105308.386749-1-a.fatoum@pengutronix.de>
On Tue, 22 Sep 2026 12:53:02 +0200, Ahmad Fatoum wrote:
> Everything in SANDBOX_PBL2PROPER_GLUE_SYMS is #defined to a barebox_
> prefixed name in barebox proper, so calls end up at our wrappers
> instead of directly in the host libc directly.
>
> malloc_usable_size lost its prefix when sandbox was migrated to PBL,
> which becomes quickly apparent if it's called with a ZERO_SIZE_PTR:
> The barebox wrapper rejects it, while the host allocator will choke on
> it under ASAN:
>
> [...]
Applied, thanks!
[1/2] sandbox: route malloc_usable_size() through the PBL glue again
https://git.pengutronix.de/cgit/barebox/commit/?id=e542d5ae713b (link may not be stable)
[2/2] test: self: free a zero-sized buffer with free_sensitive()
https://git.pengutronix.de/cgit/barebox/commit/?id=0e9ba4d8df4a (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2026-09-23 6:11 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-22 10:53 Ahmad Fatoum
2026-09-22 10:53 ` [PATCH 2/2] test: self: free a zero-sized buffer with free_sensitive() Ahmad Fatoum
2026-09-23 6:09 ` Sascha Hauer [this message]
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