[dpdk-dev] [PATCH 1/4] event/dlb: fix memory overrun Coverity warning

Timothy McDaniel timothy.mcdaniel at intel.com
Thu Nov 5 22:22:53 CET 2020


Fix memory corruption bug caused by passing address of a 16b value,
instead of address of a 32b value.

Fixes: 1998008 ("event/dlb: add eventdev probe")
Coverity issue: 363715
Cc: stable at dpdk.org

Signed-off-by: Timothy McDaniel <timothy.mcdaniel at intel.com>
---
 drivers/event/dlb/pf/dlb_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/event/dlb/pf/dlb_main.c b/drivers/event/dlb/pf/dlb_main.c
index 87ab8dd..17e671e 100644
--- a/drivers/event/dlb/pf/dlb_main.c
+++ b/drivers/event/dlb/pf/dlb_main.c
@@ -250,13 +250,13 @@ dlb_pf_reset(struct dlb_dev *dlb_dev)
 {
 	int msix_cap_offset, err_cap_offset, acs_cap_offset, wait_count;
 	uint16_t dev_ctl_word, dev_ctl2_word, lnk_word, lnk_word2;
-	uint16_t rt_ctl_word, pri_reqs_dword,  pri_ctrl_word;
+	uint16_t rt_ctl_word, pri_ctrl_word;
 	struct rte_pci_device *pdev = dlb_dev->pdev;
 	uint16_t devsta_busy_word, devctl_word;
 	int pcie_cap_offset, pri_cap_offset;
 	uint16_t slt_word, slt_word2, cmd;
 	int ret = 0, i = 0;
-	uint32_t dword[16];
+	uint32_t dword[16], pri_reqs_dword;
 	off_t off;
 
 	/* Save PCI config state */
-- 
2.6.4



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