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(parent: 9d019f5) | patch
cmd: fdt: Check argc before accessing argv in fdt memory
authorMarek Vasut <marek.vasut+renesas@mailbox.org>
Thu, 2 Mar 2023 03:08:19 +0000 (04:08 +0100)
committerSimon Glass <sjg@chromium.org>
Wed, 8 Mar 2023 19:40:57 +0000 (11:40 -0800)
commite023b8601ee72eb04098ffa9bd0d113ce98dba38
tree60e99b42733472638c5ec1869ab21584f7719e36tree | snapshot
parent9d019f5106cc677fefd8ab6ccfc5ba0ed9e0b738commit | diff
cmd: fdt: Check argc before accessing argv in fdt memory

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@mailbox.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
cmd/fdt.c diff | blob | history
Domain: System / Kernel;