From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Dai Subject: [PATCH] bus/pci: fix error in parsing vfio driver Date: Tue, 15 May 2018 22:40:51 +0800 Message-ID: <1526395251-27894-1-git-send-email-wei.dai@intel.com> Cc: dev@dpdk.org, Wei Dai , stable@dpdk.org To: ferruh.yigit@intel.com, anatoly.burakov@intel.com Return-path: List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" In pci_get_kernel_driver_by_path(), the available memory size of dri_name should be strlen(name + 1) + 1, not the size of the pointer (8 bytes), so "vfio-pci" is truncated to "vfio-pc" ended with number 0. This patch fixes it. Fixes: fe5f777b5383 ("bus/pci: replace strncpy by strlcpy") Cc: stable@dpdk.org Signed-off-by: Wei Dai --- drivers/bus/pci/linux/pci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/bus/pci/linux/pci.c b/drivers/bus/pci/linux/pci.c index a73ee49..cc6b383 100644 --- a/drivers/bus/pci/linux/pci.c +++ b/drivers/bus/pci/linux/pci.c @@ -54,7 +54,7 @@ pci_get_kernel_driver_by_path(const char *filename, char *dri_name) name = strrchr(path, '/'); if (name) { - strlcpy(dri_name, name + 1, sizeof(dri_name)); + strlcpy(dri_name, name + 1, strlen(name + 1) + 1); return 0; } -- 2.5.5