diff mbox series

[v2,05/44] net/ring: fix segment fault when parse devargs

Message ID	20230320092110.37295-6-fengchengwen@huawei.com (mailing list archive)
State	Changes Requested, archived
Delegated to:	Thomas Monjalon
Headers	From: Chengwen Feng <fengchengwen@huawei.com> To: <thomas@monjalon.net>, <ferruh.yigit@amd.com>, Bruce Richardson <bruce.richardson@intel.com>, Neil Horman <nhorman@tuxdriver.com>, Ferruh Yigit <ferruh.yigit@intel.com> CC: <dev@dpdk.org> Subject: [PATCH v2 05/44] net/ring: fix segment fault when parse devargs Date: Mon, 20 Mar 2023 09:20:31 +0000 Message-ID: <20230320092110.37295-6-fengchengwen@huawei.com> In-Reply-To: <20230320092110.37295-1-fengchengwen@huawei.com> References: <20230314124813.39521-1-fengchengwen@huawei.com> <20230320092110.37295-1-fengchengwen@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Precedence: list Errors-To: dev-bounces@dpdk.org
Series	fix segment fault when parse args \| [v2,00/44] fix segment fault when parse args [v2,01/44] app/pdump: fix segment fault when parse args [v2,02/44] ethdev: fix segment fault when parse args [v2,03/44] net/memif: fix segment fault when parse devargs [v2,04/44] net/pcap: fix segment fault when parse devargs [v2,05/44] net/ring: fix segment fault when parse devargs [v2,06/44] net/sfc: fix segment fault when parse devargs [v2,07/44] net/af_xdp: fix segment fault when parse devargs [v2,08/44] net/ark: fix segment fault when parse devargs [v2,09/44] net/cnxk: fix segment fault when parse devargs [v2,10/44] net/cxgbe: fix segment fault when parse devargs [v2,11/44] net/dpaa2: fix segment fault when parse devargs [v2,12/44] net/ena: fix segment fault when parse devargs [v2,13/44] net/enic: fix segment fault when parse devargs [v2,14/44] net/fm10k: fix segment fault when parse devargs [v2,15/44] net/i40e: fix segment fault when parse devargs [v2,16/44] net/iavf: fix segment fault when parse devargs [v2,17/44] net/ice: fix segment fault when parse devargs [v2,18/44] net/idpf: fix segment fault when parse devargs [v2,19/44] net/ionic: fix segment fault when parse devargs [v2,20/44] net/mana: fix segment fault when parse devargs [v2,21/44] net/mlx4: fix segment fault when parse devargs [v2,22/44] net/mvneta: fix segment fault when parse devargs [v2,23/44] net/mvpp2: fix segment fault when parse devargs [v2,24/44] net/netvsc: fix segment fault when parse devargs [v2,25/44] net/octeontx: fix segment fault when parse devargs [v2,26/44] net/pfe: fix segment fault when parse devargs [v2,27/44] net/qede: fix segment fault when parse devargs [v2,28/44] baseband/la12xx: fix segment fault when parse devargs [v2,29/44] bus/pci: fix segment fault when parse args [v2,30/44] common/mlx5: fix segment fault when parse devargs [v2,31/44] crypto/cnxk: fix segment fault when parse devargs [v2,32/44] crypto/dpaa_sec: fix segment fault when parse devargs [v2,33/44] crypto/dpaa2_sec: fix segment fault when parse devargs [v2,34/44] crypto/mvsam: fix segment fault when parse devargs [v2,35/44] crypto/scheduler: fix segment fault when parse devargs [v2,36/44] dma/dpaa2: fix segment fault when parse devargs [v2,37/44] event/cnxk: fix segment fault when parse devargs [v2,38/44] event/dlb2: fix segment fault when parse devargs [v2,39/44] event/dpaa: fix segment fault when parse devargs [v2,40/44] event/octeontx: fix segment fault when parse devargs [v2,41/44] event/opdl: fix segment fault when parse devargs [v2,42/44] event/sw: fix segment fault when parse devargs [v2,43/44] mempool/cnxk: fix segment fault when parse devargs [v2,44/44] raw/cnxk_gpio: fix segment fault when parse devargs

Checks

Context	Check	Description
ci/checkpatch	success	coding style OK

Commit Message

fengchengwen March 20, 2023, 9:20 a.m. UTC

  The rte_kvargs_process() was used to parse KV pairs, it also supports
to parse 'only keys' (e.g. socket_id) type. And the callback function
parameter 'value' is NULL when parsed 'only keys'.

This patch fixes segment fault when parse input args with 'only keys'.

Fixes: 61934c0956d4 ("ring: convert to use of PMD_REGISTER_DRIVER and fix linking")
Fixes: 96cb19521147 ("net/ring: use EAL APIs in PMD specific API")
Cc: stable@dpdk.org

Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
---
 drivers/net/ring/rte_eth_ring.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff mbox series

Patch

diff --git a/drivers/net/ring/rte_eth_ring.c b/drivers/net/ring/rte_eth_ring.c
index e8bc9b6271..88b19e205e 100644
--- a/drivers/net/ring/rte_eth_ring.c
+++ b/drivers/net/ring/rte_eth_ring.c
@@ -562,6 +562,9 @@  static int parse_kvlist(const char *key __rte_unused,
 	char *node;
 	char *end;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	name = strdup(value);
 
 	ret = -EINVAL;
@@ -630,6 +633,9 @@  parse_internal_args(const char *key __rte_unused, const char *value,
 	void *args;
 	int ret, n;
 
+	if (value == NULL)
+		return -EINVAL;
+
 	/* make sure 'value' is valid pointer length */
 	if (strnlen(value, ETH_RING_INTERNAL_ARG_MAX_LEN) >=
 			ETH_RING_INTERNAL_ARG_MAX_LEN) {