[dpdk-dev] [PATCH] app/crypto-perf: fix dereference null return value
De Lara Guarch, Pablo
pablo.de.lara.guarch at intel.com
Thu Feb 9 23:31:31 CET 2017
Hi Slawomir,
> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Slawomir
> Mrozowicz
> Sent: Monday, February 06, 2017 2:55 PM
> To: Doherty, Declan
> Cc: dev at dpdk.org; Mrozowicz, SlawomirX
> Subject: [dpdk-dev] [PATCH] app/crypto-perf: fix dereference null return
> value
>
> Dereferencing a pointer that might be null key_token when calling strstr.
> Check if the pointer is null before.
>
> Coverity issue: 141071
> Fixes: f8be1786b1b8 ("app/crypto-perf: introduce performance test
> application")
>
> Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz at intel.com>
> ---
> app/test-crypto-perf/cperf_test_vector_parsing.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/app/test-crypto-perf/cperf_test_vector_parsing.c b/app/test-
> crypto-perf/cperf_test_vector_parsing.c
> index e0bcb20..a7d7b51 100644
> --- a/app/test-crypto-perf/cperf_test_vector_parsing.c
> +++ b/app/test-crypto-perf/cperf_test_vector_parsing.c
> @@ -240,7 +240,7 @@ parse_entry(char *entry, struct cperf_test_vector
> *vector,
>
> /* get values for key */
> token = strtok(NULL, CPERF_ENTRY_DELIMITER);
> - if (token == NULL) {
> + if (key_token == NULL || token == NULL) {
Is this fix right? If key_token is NULL, then I would expect a seg fault here.
> printf("Expected 'key = values' but was '%.40s'..\n",
> key_token);
> return -1;
> --
> 2.5.0
Thanks,
Pablo
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