From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: Bruce Richardson <bruce.richardson@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Cc: Shreyansh Jain <shreyansh.jain@nxp.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v2 1/4] raw/skeleton: fix failing test case
Date: Thu, 27 Jun 2019 11:50:37 +0000 [thread overview]
Message-ID: <2b089ed3-6b2f-ba4f-9df6-66e2f417f859@nxp.com> (raw)
In-Reply-To: <20190621155659.29297-2-bruce.richardson@intel.com>
Series-Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
On 21-Jun-19 9:26 PM, Bruce Richardson wrote:
> Rawdev unit test for setting and getting parameters is failing because
> of a pointer value being dereferenced after the memory it pointed to is
> freed.
>
> The freeing of the malloced memory is difficult when using asserts to
> cause early abort of the test cases, since that can leak memory. The
> original placement of the free call caused a memory leak if the test
> finished early, while a fix for that leak caused the test to fail at
> times due to the memory variable being referenced after free. For a case
> like this, using stack rather than heap memory is just easier and avoids
> all issues.
>
> Fixes: 55ca1b0f2151 ("raw/skeleton: add test cases")
> Fixes: 88d0e47880ec ("raw/skeleton: fix memory leak on test failure")
> Cc: shreyansh.jain@nxp.com
> Cc: stable@dpdk.org
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
> drivers/raw/skeleton_rawdev/skeleton_rawdev_test.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/raw/skeleton_rawdev/skeleton_rawdev_test.c b/drivers/raw/skeleton_rawdev/skeleton_rawdev_test.c
> index 359c9e296..a0961c77b 100644
> --- a/drivers/raw/skeleton_rawdev/skeleton_rawdev_test.c
> +++ b/drivers/raw/skeleton_rawdev/skeleton_rawdev_test.c
> @@ -274,17 +274,14 @@ static int
> test_rawdev_attr_set_get(void)
> {
> int ret;
> - int *dummy_value;
> + int dummy_value_store;
> + int *dummy_value = &dummy_value_store;
> uint64_t ret_value;
>
> /* Set an attribute and fetch it */
> ret = rte_rawdev_set_attr(TEST_DEV_ID, "Test1", 100);
> RTE_TEST_ASSERT(!ret, "Unable to set an attribute (Test1)");
>
> - dummy_value = malloc(sizeof(int));
> - if (!dummy_value)
> - RTE_TEST_ASSERT(1, "Unable to allocate memory (dummy_value)");
> -
> *dummy_value = 200;
> ret = rte_rawdev_set_attr(TEST_DEV_ID, "Test2", (uintptr_t)dummy_value);
>
> @@ -294,7 +291,6 @@ test_rawdev_attr_set_get(void)
> "Attribute (Test1) not set correctly (%" PRIu64 ")",
> ret_value);
>
> - free(dummy_value);
>
> ret_value = 0;
> ret = rte_rawdev_get_attr(TEST_DEV_ID, "Test2", &ret_value);
next prev parent reply other threads:[~2019-06-27 11:50 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-19 17:08 [dpdk-dev] [PATCH 0/2] rawdev autotest fixes Bruce Richardson
2019-06-19 17:08 ` [dpdk-dev] [PATCH 1/2] raw/skeleton: fix failing test case Bruce Richardson
2019-06-19 17:08 ` [dpdk-dev] [PATCH 2/2] app/test: add missing rawdev autotest to meson build Bruce Richardson
2019-06-21 15:56 ` [dpdk-dev] [PATCH v2 0/4] fixes and improvements for rawdev Bruce Richardson
2019-06-21 15:56 ` [dpdk-dev] [PATCH v2 1/4] raw/skeleton: fix failing test case Bruce Richardson
2019-06-27 11:50 ` Hemant Agrawal [this message]
2019-07-01 18:03 ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2019-06-21 15:56 ` [dpdk-dev] [PATCH v2 2/4] app/test: add missing rawdev test to meson build Bruce Richardson
2019-07-01 18:10 ` [dpdk-dev] [dpdk-stable] " Thomas Monjalon
2019-06-21 15:56 ` [dpdk-dev] [PATCH v2 3/4] raw/skeleton: remove compile-time constant for device id Bruce Richardson
2019-06-21 15:56 ` [dpdk-dev] [PATCH v2 4/4] rawdev: pass device id as parameter to selftest Bruce Richardson
2019-07-04 9:33 ` Shreyansh Jain
2019-07-02 9:56 ` [dpdk-dev] [PATCH v3 0/3] fixes and improvements for rawdev Bruce Richardson
2019-07-02 9:56 ` [dpdk-dev] [PATCH v3 1/3] app/test: add missing rawdev autotest to meson build Bruce Richardson
2019-07-02 9:56 ` [dpdk-dev] [PATCH v3 2/3] raw/skeleton: remove compile-time constant for device id Bruce Richardson
2019-07-02 9:56 ` [dpdk-dev] [PATCH v3 3/3] rawdev: pass the device id as parameter to selftest Bruce Richardson
2019-07-02 15:05 ` [dpdk-dev] [PATCH v3 0/3] fixes and improvements for rawdev Thomas Monjalon
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