diff mbox series

[v5,11/52] bpf: replace strerror with reentrant version

Message ID	20241104111037.3632161-12-huangdengdui@huawei.com (mailing list archive)
State	Superseded, archived
Delegated to:	Thomas Monjalon
Headers	From: Dengdui Huang <huangdengdui@huawei.com> To: <dev@dpdk.org> CC: <ajit.khaparde@broadcom.com>, <thomas@monjalon.net>, <ferruh.yigit@amd.com>, <stephen@networkplumber.org>, <mb@smartsharesystems.com>, <david.marchand@redhat.com>, <iboukris@gmail.com>, <lihuisong@huawei.com>, <fengchengwen@huawei.com>, <haijie1@huawei.com>, <liuyonglong@huawei.com> Subject: [PATCH v5 11/52] bpf: replace strerror with reentrant version Date: Mon, 4 Nov 2024 19:09:56 +0800 Message-ID: <20241104111037.3632161-12-huangdengdui@huawei.com> In-Reply-To: <20241104111037.3632161-1-huangdengdui@huawei.com> References: <20231114082539.1858594-1-huangdengdui@huawei.com> <20241104111037.3632161-1-huangdengdui@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Precedence: list Errors-To: dev-bounces@dpdk.org
Series	replace strerror \| [v5,00/52] replace strerror [v5,01/52] eal: fix use rte errno for libc function [v5,02/52] devtools: forbid use of strerror [v5,03/52] eal: replace strerror with reentrant version [v5,04/52] eventdev: replace strerror with reentrant version [v5,05/52] latency: replace strerror with reentrant version [v5,06/52] node: replace strerror with reentrant version [v5,07/52] pdump: replace strerror with reentrant version [v5,08/52] pdump: use rte strerror [v5,09/52] power: replace strerror with reentrant version [v5,10/52] vhost: replace strerror with reentrant version [v5,11/52] bpf: replace strerror with reentrant version [v5,12/52] bus/cdx: replace strerror with reentrant version [v5,13/52] bus/dpaa: replace strerror with reentrant version [v5,14/52] bus/fslmc: replace strerror with reentrant version [v5,15/52] bus/pci: replace strerror with reentrant version [v5,16/52] bus/vmbus: replace strerror with reentrant version [v5,17/52] bus/vdev: use rte strerror [v5,18/52] common/cnxk: replace strerror with reentrant version [v5,19/52] common/mlx5: replace strerror with reentrant version [v5,20/52] common/mlx5: use rte strerror [v5,21/52] crypto/caam_jr: replace strerror with reentrant version [v5,22/52] dma/idxd: replace strerror with reentrant version [v5,23/52] net/bnxt: replace strerror with reentrant version [v5,24/52] net/af_xdp: replace strerror with reentrant version [v5,25/52] net/af_xdp: use rte strerror [v5,26/52] net/bonding: replace strerror with reentrant version [v5,27/52] net/bonding: use rte strerror [v5,28/52] net/cnxk: replace strerror with reentrant version [v5,29/52] net/dpaa: replace strerror with reentrant version [v5,30/52] net/dpaa2: replace strerror with reentrant version [v5,31/52] net/enetfec: replace strerror with reentrant version [v5,32/52] net/failsafe: replace strerror with reentrant version [v5,33/52] net/failsafe: use rte strerror [v5,34/52] net/i40e: replace strerror with reentrant version [v5,35/52] net/ice: replace strerror with reentrant version [v5,36/52] net/ixgbe: replace strerror with reentrant version [v5,37/52] net/memif: replace strerror with reentrant version [v5,38/52] net/memif: use rte strerror [v5,39/52] net/mlx4: replace strerror with reentrant version [v5,40/52] net/mlx4: use rte strerror [v5,41/52] net/mlx5: replace strerror with reentrant version [v5,42/52] net/mlx5: use rte strerror [v5,43/52] net/qede: replace strerror with reentrant version [v5,44/52] net/sfc: replace strerror with reentrant version [v5,45/52] net/tap: replace strerror with reentrant version [v5,46/52] net/tap: use rte strerror [v5,47/52] net/vhost: replace strerror with reentrant version [v5,48/52] net/virtio: replace strerror with reentrant version [v5,49/52] raw/ifpga: replace strerror with reentrant version [v5,50/52] vdpa/ifc: replace strerror with reentrant version [v5,51/52] vdpa/mlx5: replace strerror with reentrant version [v5,52/52] vdpa/sfc: replace strerror with reentrant version

Checks

Context	Check	Description
ci/checkpatch	success	coding style OK

Commit Message

huangdengdui Nov. 4, 2024, 11:09 a.m. UTC

The function strerror() is insecure in a multi-thread environment.
This patch uses strerror_r() to replace it.

Signed-off-by: Dengdui Huang <huangdengdui@huawei.com>
Acked-by: Chengwen Feng <fengchengwen@huawei.com>
Acked-by: Morten Brørup <mb@smartsharesystems.com>
Acked-by: Huisong Li <lihuisong@huawei.com>
---
 lib/bpf/bpf_load_elf.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff mbox series

Patch

diff --git a/lib/bpf/bpf_load_elf.c b/lib/bpf/bpf_load_elf.c
index e0abd3c856..569a9f4446 100644
--- a/lib/bpf/bpf_load_elf.c
+++ b/lib/bpf/bpf_load_elf.c
@@ -300,6 +300,7 @@  rte_bpf_elf_load(const struct rte_bpf_prm *prm, const char *fname,
 {
 	int32_t fd, rc;
 	struct rte_bpf *bpf;
+	char errmsg[RTE_STRERR_BUFSIZE];
 
 	if (prm == NULL || fname == NULL || sname == NULL) {
 		rte_errno = EINVAL;
@@ -309,8 +310,10 @@  rte_bpf_elf_load(const struct rte_bpf_prm *prm, const char *fname,
 	fd = open(fname, O_RDONLY);
 	if (fd < 0) {
 		rc = errno;
+		if (strerror_r(rc, errmsg, sizeof(errmsg)) != 0)
+			snprintf(errmsg, sizeof(errmsg), "Unknown error %d", rc);
 		RTE_BPF_LOG_LINE(ERR, "%s(%s) error code: %d(%s)",
-			__func__, fname, rc, strerror(rc));
+			__func__, fname, rc, errmsg);
 		rte_errno = EINVAL;
 		return NULL;
 	}