From: Christian Ehrhardt <christian.ehrhardt@canonical.com>
To: Owen Hilyard <ohilyard@iol.unh.edu>
Cc: dpdk stable <stable@dpdk.org>,
David Marchand <david.marchand@redhat.com>
Subject: Re: [dpdk-stable] [PATCH 19.11] tests/cmdline: fix memory leaks
Date: Wed, 11 Aug 2021 08:43:27 +0200 [thread overview]
Message-ID: <CAATJJ0K+mR638bVGf103T5HRHDToeSf9weoSgAXbQ_4ObP5U0Q@mail.gmail.com> (raw)
In-Reply-To: <20210810173950.98785-1-ohilyard@iol.unh.edu>
On Tue, Aug 10, 2021 at 7:40 PM <ohilyard@iol.unh.edu> wrote:
>
> From: Owen Hilyard <ohilyard@iol.unh.edu>
>
> [ upstream commit ca7204b921c2f328ab1222772af40922970e7c4b ]
>
> Fixes for a few memory leaks in the cmdline_autotest unit test.
Thank you for the backport - applied to the preliminary 19.11 branch
for 19.11.10
> All of the leaks were related to not freeing the commandline struct
> after testing had completed.
>
> Fixes: dbb860e03e ("cmdline: tests")
>
> Signed-off-by: Owen Hilyard <ohilyard@iol.unh.edu>
> Reviewed-by: David Marchand <david.marchand@redhat.com>
> ---
> app/test/test_cmdline_lib.c | 43 ++++++++++++++++++++++++++-----------
> 1 file changed, 31 insertions(+), 12 deletions(-)
>
> diff --git a/app/test/test_cmdline_lib.c b/app/test/test_cmdline_lib.c
> index a856a9713..c7ada9ddd 100644
> --- a/app/test/test_cmdline_lib.c
> +++ b/app/test/test_cmdline_lib.c
> @@ -62,10 +62,12 @@ test_cmdline_parse_fns(void)
> if (cmdline_complete(&cl, "buffer", &i, NULL, sizeof(dst)) >= 0)
> goto error;
>
> + cmdline_free(&cl);
> return 0;
>
> error:
> printf("Error: function accepted null parameter!\n");
> + cmdline_free(&cl);
> return -1;
> }
>
> @@ -131,32 +133,43 @@ static int
> test_cmdline_socket_fns(void)
> {
> cmdline_parse_ctx_t ctx;
> + struct cmdline* cl;
>
> - if (cmdline_stdin_new(NULL, "prompt") != NULL)
> + cl = cmdline_stdin_new(NULL, "prompt") != NULL);
> + if (cl != NULL)
> goto error;
> - if (cmdline_stdin_new(&ctx, NULL) != NULL)
> + cl = cmdline_stdin_new(&ctx, NULL);
> + if (cl != NULL)
> goto error;
> - if (cmdline_file_new(NULL, "prompt", "/dev/null") != NULL)
> + cl = cmdline_file_new(NULL, "prompt", "/dev/null");
> + if (cl != NULL)
> goto error;
> - if (cmdline_file_new(&ctx, NULL, "/dev/null") != NULL)
> + cl = cmdline_file_new(&ctx, NULL, "/dev/null");
> + if (cl != NULL)
> goto error;
> - if (cmdline_file_new(&ctx, "prompt", NULL) != NULL)
> + cl = cmdline_file_new(&ctx, "prompt", NULL);
> + if (cl != NULL)
> goto error;
> - if (cmdline_file_new(&ctx, "prompt", "-/invalid/~/path") != NULL) {
> + cl = cmdline_file_new(&ctx, "prompt", "-/invalid/~/path");
> + if (cl != NULL) {
> printf("Error: succeeded in opening invalid file for reading!");
> + cmdline_free(cl);
> return -1;
> }
> - if (cmdline_file_new(&ctx, "prompt", "/dev/null") == NULL) {
> + cl = cmdline_file_new(&ctx, "prompt", "/dev/null");
> + if (cl == NULL) {
> printf("Error: failed to open /dev/null for reading!");
> + cmdline_free(cl);
> return -1;
> }
>
> /* void functions */
> cmdline_stdin_exit(NULL);
> -
> + cmdline_free(cl);
> return 0;
> error:
> printf("Error: function accepted null parameter!\n");
> + cmdline_free(cl);
> return -1;
> }
>
> @@ -164,16 +177,18 @@ static int
> test_cmdline_fns(void)
> {
> cmdline_parse_ctx_t ctx;
> - struct cmdline cl, *tmp;
> + struct cmdline cl, *tmp, *tmp2;
>
> memset(&ctx, 0, sizeof(ctx));
> tmp = cmdline_new(&ctx, "test", -1, -1);
> if (tmp == NULL)
> goto error;
>
> - if (cmdline_new(NULL, "prompt", 0, 0) != NULL)
> + tmp2 = cmdline_new(NULL, "prompt", 0, 0);
> + if (tmp2 != NULL)
> goto error;
> - if (cmdline_new(&ctx, NULL, 0, 0) != NULL)
> + tmp2 = cmdline_new(&ctx, NULL, 0, 0);
> + if (tmp2 != NULL)
> goto error;
> if (cmdline_in(NULL, "buffer", CMDLINE_TEST_BUFSIZE) >= 0)
> goto error;
> @@ -202,14 +217,18 @@ test_cmdline_fns(void)
> if (memcmp(&cl, tmp, sizeof(cl))) goto mismatch;
>
> cmdline_free(tmp);
> -
> + cmdline_free(tmp2);
> return 0;
>
> error:
> printf("Error: function accepted null parameter!\n");
> + cmdline_free(tmp);
> + cmdline_free(tmp2);
> return -1;
> mismatch:
> printf("Error: data changed!\n");
> + cmdline_free(tmp);
> + cmdline_free(tmp2);
> return -1;
> }
>
> --
> 2.30.2
>
--
Christian Ehrhardt
Staff Engineer, Ubuntu Server
Canonical Ltd
next prev parent reply other threads:[~2021-08-11 6:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-10 17:39 ohilyard
2021-08-11 6:43 ` Christian Ehrhardt [this message]
2021-08-11 9:45 ` Christian Ehrhardt
2021-08-11 11:17 ` Christian Ehrhardt
2021-08-11 12:55 ` Owen Hilyard
2021-08-12 19:44 ` [dpdk-stable] [PATCH] " ohilyard
2021-08-16 8:59 ` Christian Ehrhardt
2021-08-16 12:05 ` ohilyard
2021-08-16 12:06 ` Owen Hilyard
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