[PATCH] net/failsafe: Fix crash due to global devargs syntax parsing from secondary process

madhuker.mythri at oracle.com madhuker.mythri at oracle.com
Thu Feb 10 08:10:52 CET 2022


From: Madhuker Mythri <madhuker.mythri at oracle.com>

Failsafe pmd started crashing with global devargs syntax as devargs is
not memset to zero. Access it to in rte_devargs_parse resulted in a
crash when called from secondary process.

Bugzilla Id: 933

Signed-off-by: Madhuker Mythri <madhuker.mythri at oracle.com>
---
 drivers/net/failsafe/failsafe.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/failsafe/failsafe.c b/drivers/net/failsafe/failsafe.c
index 3c754a5f66..aa93cc6000 100644
--- a/drivers/net/failsafe/failsafe.c
+++ b/drivers/net/failsafe/failsafe.c
@@ -360,6 +360,7 @@ rte_pmd_failsafe_probe(struct rte_vdev_device *vdev)
 			if (sdev->devargs.name[0] == '\0')
 				continue;
 
+			memset(&devargs, 0, sizeof(devargs));
 			/* rebuild devargs to be able to get the bus name. */
 			ret = rte_devargs_parse(&devargs,
 						sdev->devargs.name);
-- 
2.32.0.windows.1



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