* [dpdk-dev] [PATCH v1] eal: fix random device arguments in device iterator
@ 2021-10-27 8:22 Xueming Li
2021-11-04 10:41 ` [dpdk-dev] [dpdk-stable] " David Marchand
0 siblings, 1 reply; 2+ messages in thread
From: Xueming Li @ 2021-10-27 8:22 UTC (permalink / raw)
To: dev; +Cc: xuemingl, stable, Gaetan Rivet, Gaetan Rivet
Devargs used in device iterator initialization wasn't set to zero, random
data like bus string lead to invalid address access.
This patch initializes devargs.
Fixes: c99a2d4c6b7f ("eal: implement device iteration initialization")
Cc: stable@dpdk.org
Cc: Gaetan Rivet <grive@u256.net>
Signed-off-by: Xueming Li <xuemingl@nvidia.com>
---
lib/eal/common/eal_common_dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/eal/common/eal_common_dev.c b/lib/eal/common/eal_common_dev.c
index 148a23830ab..e1e9976d8dc 100644
--- a/lib/eal/common/eal_common_dev.c
+++ b/lib/eal/common/eal_common_dev.c
@@ -573,7 +573,7 @@ int
rte_dev_iterator_init(struct rte_dev_iterator *it,
const char *dev_str)
{
- struct rte_devargs devargs;
+ struct rte_devargs devargs = { .bus = NULL };
struct rte_class *cls = NULL;
struct rte_bus *bus = NULL;
--
2.33.0
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [dpdk-dev] [dpdk-stable] [PATCH v1] eal: fix random device arguments in device iterator
2021-10-27 8:22 [dpdk-dev] [PATCH v1] eal: fix random device arguments in device iterator Xueming Li
@ 2021-11-04 10:41 ` David Marchand
0 siblings, 0 replies; 2+ messages in thread
From: David Marchand @ 2021-11-04 10:41 UTC (permalink / raw)
To: Xueming Li; +Cc: dev, dpdk stable, Gaetan Rivet, vijay.srivastava
On Wed, Oct 27, 2021 at 10:23 AM Xueming Li <xuemingl@nvidia.com> wrote:
>
> Devargs used in device iterator initialization wasn't set to zero, random
> data like bus string lead to invalid address access.
>
> This patch initializes devargs.
>
> Fixes: c99a2d4c6b7f ("eal: implement device iteration initialization")
> Cc: stable@dpdk.org
>
> Signed-off-by: Xueming Li <xuemingl@nvidia.com>
Applied, thanks.
It seems a basic issue, could it be caught with a unit test?
Thanks.
--
David Marchand
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2021-11-04 10:41 ` [dpdk-dev] [dpdk-stable] " David Marchand
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