From: Stephen Hemminger <stephen@networkplumber.org>
To: dev@dpdk.org
Cc: Stephen Hemminger <stephen@networkplumber.org>,
xuemingl@nvidia.com, stable@dpdk.org,
Tyler Retzlaff <roretzla@linux.microsoft.com>,
Gaetan Rivet <grive@u256.net>
Subject: [PATCH 06/16] eal: fix out of bounds access in devargs
Date: Thu, 14 Nov 2024 22:05:43 -0800 [thread overview]
Message-ID: <20241115060738.313190-7-stephen@networkplumber.org> (raw)
In-Reply-To: <20241115060738.313190-1-stephen@networkplumber.org>
The code for parsing layers in devargs could reference past
the end of layers[] array on stack.
Link: https://pvs-studio.com/en/blog/posts/cpp/1183/
Fixes: 9a1a9e4a2ddd ("devargs: support path value with global device syntax")
Cc: xuemingl@nvidia.com
Cc: stable@dpdk.org
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
lib/eal/common/eal_common_devargs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/eal/common/eal_common_devargs.c b/lib/eal/common/eal_common_devargs.c
index a64805b268..dd857fc839 100644
--- a/lib/eal/common/eal_common_devargs.c
+++ b/lib/eal/common/eal_common_devargs.c
@@ -88,7 +88,7 @@ rte_devargs_layers_parse(struct rte_devargs *devargs,
s = devargs->data;
while (s != NULL) {
- if (nblayer > RTE_DIM(layers)) {
+ if (nblayer >= RTE_DIM(layers)) {
ret = -E2BIG;
goto get_out;
}
--
2.45.2
next prev parent reply other threads:[~2024-11-15 6:08 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-15 6:05 [PATCH 00/16] small bug fixes from PVS studio bug list Stephen Hemminger
2024-11-15 6:05 ` [PATCH 01/16] common/cnxk: remove duplicate condition Stephen Hemminger
2024-11-15 6:16 ` [EXTERNAL] " Anoob Joseph
2024-11-15 6:05 ` [PATCH 02/16] net/cpfl: avoid calling log (printf) with null Stephen Hemminger
2024-11-15 6:05 ` [PATCH 03/16] raw/cnxk_gpio: fix file descriptor leak Stephen Hemminger
2024-11-15 6:05 ` [PATCH 04/16] net/ntnic: remove dead code Stephen Hemminger
2024-11-15 6:05 ` [PATCH 05/16] net/i40e: remove duplicate code Stephen Hemminger
2024-11-15 6:05 ` Stephen Hemminger [this message]
2024-11-15 6:05 ` [PATCH 07/16] net/qede: fix missing debug string Stephen Hemminger
2024-11-15 6:05 ` [PATCH 08/16] examples/ptpclient: replace rte_memcpy with assignment Stephen Hemminger
2024-11-15 6:05 ` [PATCH 09/16] examples/ptpclient: fix self memcmp Stephen Hemminger
2024-11-15 6:05 ` [PATCH 10/16] net/octeon_ep: remove duplicate code Stephen Hemminger
2024-11-15 6:05 ` [PATCH 11/16] net/hinic: fix flow type bitmask overflow Stephen Hemminger
2024-11-15 6:05 ` [PATCH 12/16] crypto/dpaa2_sec: fix bitmask truncation Stephen Hemminger
2024-11-15 6:05 ` [PATCH 13/16] crypto/dpaa_sec: " Stephen Hemminger
2024-11-15 6:05 ` [PATCH 14/16] event/dpaa: " Stephen Hemminger
2024-11-15 6:05 ` [PATCH 15/16] net/dpaa: " Stephen Hemminger
2024-11-15 6:05 ` [PATCH 16/16] net/dpaa2: " Stephen Hemminger
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