[dpdk-dev] [PATCH] baseband/turbo_sw: fix dereference of null

Min Hu (Connor) humin29 at huawei.com
Thu Apr 22 11:25:05 CEST 2021


Return value of a function 'rte_malloc' is dereferenced without
checking, and may result in segmetation fault.

This patch fixed it.

Fixes: 31a7853d1ed9 ("baseband/turbo_sw: support large size code block")
Cc: stable at dpdk.org

Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
 app/test-bbdev/test_bbdev_perf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/test-bbdev/test_bbdev_perf.c b/app/test-bbdev/test_bbdev_perf.c
index 45b85b9..f94e2a9 100644
--- a/app/test-bbdev/test_bbdev_perf.c
+++ b/app/test-bbdev/test_bbdev_perf.c
@@ -957,6 +957,9 @@ init_op_data_objs(struct rte_bbdev_op_data *bufs,
 			if ((op_type == DATA_INPUT) && large_input) {
 				/* Allocate a fake overused mbuf */
 				data = rte_malloc(NULL, seg->length, 0);
+				TEST_ASSERT_NOT_NULL(data,
+					"rte malloc failed with %u bytes",
+					seg->length);
 				memcpy(data, seg->addr, seg->length);
 				m_head->buf_addr = data;
 				m_head->buf_iova = rte_malloc_virt2iova(data);
-- 
2.7.4



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