strcat does not check the destination length and there might be chances of string overflow so instead of strcat, strlcat is used.
Fixes: 6f4eec2565 ("test/crypto: enhance scheduler unit tests") Fixes: 540a211084 ("bnx2x: driver core") Fixes: e163c18a15 ("net/i40e: update ptype and pctype info") Cc: sta...@dpdk.org Signed-off-by: Chaitanya Babu Talluri <tallurix.chaitanya.b...@intel.com> --- v5: Removed strcat. v4: Corrected usage of strlcat. v3: Instead of strncat, used strlcat. v2: Instead of strncat, used snprintf. --- app/test/test_cryptodev.c | 3 ++- drivers/net/bnx2x/bnx2x.c | 5 +++-- drivers/net/i40e/i40e_ethdev.c | 4 ++-- 3 files changed, 7 insertions(+), 5 deletions(-) diff --git a/app/test/test_cryptodev.c b/app/test/test_cryptodev.c index 32f1893bc..8d5c138a5 100644 --- a/app/test/test_cryptodev.c +++ b/app/test/test_cryptodev.c @@ -11,6 +11,7 @@ #include <rte_memcpy.h> #include <rte_pause.h> #include <rte_bus_vdev.h> +#include <rte_string_fns.h> #include <rte_crypto.h> #include <rte_cryptodev.h> @@ -375,7 +376,7 @@ testsuite_setup(void) snprintf(vdev_args, sizeof(vdev_args), "%s%d", temp_str, i); strcpy(temp_str, vdev_args); - strcat(temp_str, ";"); + strlcat(temp_str, ";", sizeof(temp_str)); slave_core_count++; socket_id = lcore_config[i].socket_id; } diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c index 26b3828e8..ab092e23f 100644 --- a/drivers/net/bnx2x/bnx2x.c +++ b/drivers/net/bnx2x/bnx2x.c @@ -25,6 +25,7 @@ #include <sys/stat.h> #include <fcntl.h> #include <zlib.h> +#include <rte_string_fns.h> #define BNX2X_PMD_VER_PREFIX "BNX2X PMD" #define BNX2X_PMD_VERSION_MAJOR 1 @@ -11741,13 +11742,13 @@ static const char *get_bnx2x_flags(uint32_t flags) for (i = 0; i < 5; i++) if (flags & (1 << i)) { - strcat(flag_str, flag[i]); + strlcat(flag_str, flag[i], sizeof(flag_str)); flags ^= (1 << i); } if (flags) { static char unknown[BNX2X_INFO_STR_MAX]; snprintf(unknown, 32, "Unknown flag mask %x", flags); - strcat(flag_str, unknown); + strlcat(flag_str, unknown, sizeof(flag_str)); } return flag_str; } diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index dca61f03a..9bc9a4390 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -12201,8 +12201,8 @@ i40e_update_customized_pctype(struct rte_eth_dev *dev, uint8_t *pkg, for (n = 0; n < proto_num; n++) { if (proto[n].proto_id != proto_id) continue; - strcat(name, proto[n].name); - strcat(name, "_"); + strlcat(name, proto[n].name, sizeof(name)); + strlcat(name, "_", sizeof(name)); break; } } -- 2.17.2