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(parent: c8786b6) | 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>
Thu, 9 Mar 2023 16:50:47 +0000 (08:50 -0800)
commit5e0462757c636745dbe16aaf72d659271595626b
tree04fe9a8075b03373e5398f46a280d187dd2d89d4tree | snapshot
parentc8786b6db6b39771949161bf8bdd3671dae33b16commit | 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
My U-Boot fork