Add a check for the return value of the sscanf call in parse_internal_args(), returning an error if we don't get the expected result.
Coverity issue: 362049 Fixes: 96cb19521147 ("net/ring: use EAL APIs in PMD specific API") Cc: sta...@dpdk.org Signed-off-by: Kevin Laatz <kevin.la...@intel.com> --- v2: added consumed characters count check --- drivers/net/ring/rte_eth_ring.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c index 40fe1ca4ba..66367465fd 100644 --- a/drivers/net/ring/rte_eth_ring.c +++ b/drivers/net/ring/rte_eth_ring.c @@ -538,8 +538,13 @@ parse_internal_args(const char *key __rte_unused, const char *value, { struct ring_internal_args **internal_args = data; void *args; + int n; - sscanf(value, "%p", &args); + if (sscanf(value, "%p%n", &args, &n) != 1 || (size_t)n != strlen(value)) { + PMD_LOG(ERR, "Error parsing internal args"); + + return -1; + } *internal_args = args; -- 2.25.1