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autoboot: Add check for result of malloc_cache_aligned()

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Return value of a function 'malloc_cache_aligned'
is dereferenced at autoboot.c:207 without checking for NULL,
but it is usually checked for this function.

Found by RASU JSC.

Signed-off-by: Maks Mishin <maks.mishinFZ@gmail.com>
This commit is contained in:
Maks Mishin 2024-03-01 01:32:11 +03:00 • committed by Tom Rini
parent 91febe80c9
commit 606867c849
1 changed files with 3 additions and 0 deletions
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3
common/autoboot.c
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@ -167,6 +167,9 @@ static int passwd_abort_sha256(uint64_t etime)
sha_env_str = AUTOBOOT_STOP_STR_SHA256;
presskey = malloc_cache_aligned(DELAY_STOP_STR_MAX_LENGTH);
if (!presskey)
return -ENOMEM;
c = strstr(sha_env_str, ":");
if (c && (c - sha_env_str < DELAY_STOP_STR_MAX_LENGTH)) {
/* preload presskey with salt */