[dpdk-dev] [PATCH v3 2/2] eal: fix service core index validity
From: Chengwen Feng <hidden>
Date: 2021-05-05 04:13:37
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
This patch adds checking for service core index validity when parsing
service corelist.
Fixes: 7dbd7a6413ef ("service: add -S corelist option")
Cc: stable@dpdk.org
Signed-off-by: Chengwen Feng <redacted>
Signed-off-by: Min Hu (Connor) <redacted>
---
v2->v3:
* change patch's author
---
lib/eal/common/eal_common_options.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/lib/eal/common/eal_common_options.c b/lib/eal/common/eal_common_options.c
index 66f9114..97ab6e0 100644
--- a/lib/eal/common/eal_common_options.c
+++ b/lib/eal/common/eal_common_options.c@@ -758,10 +758,10 @@ static int eal_parse_service_corelist(const char *corelist) { struct rte_config *cfg = rte_eal_get_configuration(); - int i, idx = 0; + int i; unsigned count = 0; char *end = NULL; - int min, max; + uint32_t min, max, idx; uint32_t taken_lcore_count = 0; if (corelist == NULL)
@@ -785,6 +785,8 @@ eal_parse_service_corelist(const char *corelist) idx = strtoul(corelist, &end, 10); if (errno || end == NULL) return -1; + if (idx >= RTE_MAX_LCORE) + return -1; while (isblank(*end)) end++; if (*end == '-') {
--
2.8.1