Multiple threads calling the same function may cause condition race issues, which often leads to abnormal behavior and can cause more serious vulnerabilities such as abnormal termination, denial of service, and compromised data integrity.
The strtok() is non-reentrant, it is better to replace it with a reentrant version. Fixes: f38f62650f7b ("ethdev: add Rx queue telemetry query") Fixes: 9e7533aeb80a ("ethdev: add telemetry command for TM level capabilities") Cc: sta...@dpdk.org Signed-off-by: Jie Hai <haij...@huawei.com> Acked-by: Chengwen Feng <fengcheng...@huawei.com> --- lib/ethdev/rte_ethdev_telemetry.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/lib/ethdev/rte_ethdev_telemetry.c b/lib/ethdev/rte_ethdev_telemetry.c index b01028ce9b60..658f7e54de03 100644 --- a/lib/ethdev/rte_ethdev_telemetry.c +++ b/lib/ethdev/rte_ethdev_telemetry.c @@ -477,6 +477,7 @@ ethdev_parse_queue_params(const char *params, bool is_rx, const char *qid_param; uint16_t nb_queues; char *end_param; + char *sp = NULL; uint64_t qid; int ret; @@ -489,7 +490,7 @@ ethdev_parse_queue_params(const char *params, bool is_rx, if (nb_queues == 1 && *end_param == '\0') qid = 0; else { - qid_param = strtok(end_param, ","); + qid_param = strtok_s(end_param, ",", &sp); if (!qid_param || strlen(qid_param) == 0 || !isdigit(*qid_param)) return -EINVAL; @@ -1221,9 +1222,10 @@ static int eth_dev_parse_tm_params(char *params, uint32_t *result) { const char *splited_param; + char *sp = NULL; uint64_t ret; - splited_param = strtok(params, ","); + splited_param = strtok_s(params, ",", &sp); if (!splited_param || strlen(splited_param) == 0 || !isdigit(*splited_param)) return -EINVAL; -- 2.30.0