[PATCH 06/32] cmd: fdt: Check argc before accessing argv in fdt memory

Simon Glass sjg at chromium.org
Wed Mar 1 16:02:03 CET 2023


On Mon, 27 Feb 2023 at 12:55, Marek Vasut
<marek.vasut+renesas at mailbox.org> wrote:
>
> On case 'fdt memory' is invoked without parameters, argv[2]/argv[3]
> is not valid and this command would SEGFAULT in sandbox environment.
> Add missing argc test to avoid the crash and rather print usage help
> message.
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
> ---
> Cc: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
> Cc: Simon Glass <sjg at chromium.org>
> Cc: Tom Rini <trini at konsulko.com>
> ---
>  cmd/fdt.c | 4 ++++
>  1 file changed, 4 insertions(+)
>

Reviewed-by: Simon Glass <sjg at chromium.org>


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