From: "Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
To: Junio C Hamano <gitster@pobox.com>
Cc: git@vger.kernel.org, "Jeff King" <peff@peff.net>,
"Andrzej Hunt" <andrzej@ahunt.org>,
"Lénaïc Huard" <lenaic@lhuard.fr>,
"Derrick Stolee" <dstolee@microsoft.com>,
"Felipe Contreras" <felipe.contreras@gmail.com>,
"SZEDER Gábor" <szeder.dev@gmail.com>,
"Đoàn Trần Công Danh" <congdanhqx@gmail.com>,
"Carlo Marcelo Arenas Belón" <carenas@gmail.com>
Subject: Re: Re* [PATCH v8 2/2] tests: add a test mode for SANITIZE=leak, run it in CI
Date: Thu, 04 Nov 2021 11:06:15 +0100 [thread overview]
Message-ID: <211104.86mtmki5ol.gmgdl@evledraar.gmail.com> (raw)
In-Reply-To: <xmqq4k8s6eri.fsf_-_@gitster.g>
On Wed, Nov 03 2021, Junio C Hamano wrote:
> Ævar Arnfjörð Bjarmason <avarab@gmail.com> writes:
>
>> The CI target uses a new GIT_TEST_PASSING_SANITIZE_LEAK=true test
>> mode. When running in that mode, we'll assert that we were compiled
>> with SANITIZE=leak. We'll then skip all tests, except those that we've
>> opted-in by setting "TEST_PASSES_SANITIZE_LEAK=true".
>> ...
>> This is how tests that don't set "TEST_PASSES_SANITIZE_LEAK=true" will
>> be skipped under GIT_TEST_PASSING_SANITIZE_LEAK=true:
>
> I've been playing with this locally, but cannot shake the nagging
> feeling that GIT_TEST_PASSING_SANITIZE_LEAK must default to true.
> Otherwise, it is one more thing they need to find out and set when
> they do
>
> make SANITYZE=leak test
>
> because they want to be a good developer and to ensure that they did
> not introduce new leaks.
>
> If we want to encourage folks to locally run the leak checks before
> declaring their own work "done", that is.
>
> Those who are hunting for and cleaning up existing leaks can and
> should set it to false, no?
I agree that that would make a lot more sense and be more useful :)
That was the behavior of the patch I originally suggested for
integrating this SANITIZE=leak[1], but due to feedback on it I ended up
keeping the pre-image behavior of how SANITIZE=leak worked, unless there
were any opt-in test modes etc. in play:
https://lore.kernel.org/git/patch-1.4-a61a294132-20210714T001007Z-avarab@gmail.com/
I think at this point it's probably better to just keep it as it is...
> in any case, here is a small fallout out of my adventure into this
> corner.
>
> ----- >8 --------- >8 --------- >8 --------- >8 -----
> Subject: t0006: date_mode can leak .strftime_fmt member
>
> As there is no date_mode_release() API function, and given the
> set of current callers it probably is not worth adding one, let's
> release the .strftime_fmt member that is obtained from strdup()
> before the caller of show_date() is done with it.
>
> This allows us to mark t0006 as passing under the leak sanitizer.
>
> Signed-off-by: Junio C Hamano <gitster@pobox.com>
> ---
> t/helper/test-date.c | 2 ++
> t/t0006-date.sh | 2 ++
> 2 files changed, 4 insertions(+)
>
> diff --git c/t/helper/test-date.c w/t/helper/test-date.c
> index 099eff4f0f..e15ea02626 100644
> --- c/t/helper/test-date.c
> +++ w/t/helper/test-date.c
> @@ -53,6 +53,8 @@ static void show_dates(const char **argv, const char *format)
>
> printf("%s -> %s\n", *argv, show_date(t, tz, &mode));
> }
> +
> + free((void *)mode.strftime_fmt);
> }
I'd notice that failure before, but hadn't looked into it. That was
easier to fix than I thought.
This fix looks good to me, except that you also need to change this at
the top:
diff --git a/t/helper/test-date.c b/t/helper/test-date.c
index e15ea026267..9defeb57360 100644
--- a/t/helper/test-date.c
+++ b/t/helper/test-date.c
@@ -34,7 +34,7 @@ static void show_human_dates(const char **argv)
static void show_dates(const char **argv, const char *format)
{
- struct date_mode mode;
+ struct date_mode mode = { 0 };
parse_date_format(format, &mode);
for (; *argv; argv++) {
I.e. this makes this specific thing pass, but in other tests we'd end up
freeing a non-NULL and randomly initialized pointer unless we init it to
zero.
>
> static void parse_dates(const char **argv)
> diff --git c/t/t0006-date.sh w/t/t0006-date.sh
> index 6b757d7169..5d01f57b27 100755
> --- c/t/t0006-date.sh
> +++ w/t/t0006-date.sh
> @@ -1,6 +1,8 @@
> #!/bin/sh
>
> test_description='test date parsing and printing'
> +
> +TEST_PASSES_SANITIZE_LEAK=true
> . ./test-lib.sh
>
> # arbitrary reference time: 2009-08-30 19:20:00
And yeah, that's all that's needed in the test file then.
next prev parent reply other threads:[~2021-11-04 10:19 UTC|newest]
Thread overview: 125+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-09 14:38 UNLEAK(), leak checking in the default tests etc Ævar Arnfjörð Bjarmason
2021-06-09 17:44 ` Andrzej Hunt
2021-06-09 20:36 ` Felipe Contreras
2021-06-10 10:46 ` Jeff King
2021-06-10 10:56 ` Ævar Arnfjörð Bjarmason
2021-06-10 13:38 ` Jeff King
2021-06-10 15:32 ` Andrzej Hunt
2021-06-10 16:36 ` Jeff King
2021-06-11 15:44 ` Andrzej Hunt
2021-06-10 19:01 ` SZEDER Gábor
2021-07-14 0:11 ` [PATCH 0/4] add a test mode for SANITIZE=leak, run it in CI Ævar Arnfjörð Bjarmason
2021-07-14 0:11 ` [PATCH 1/4] tests: " Ævar Arnfjörð Bjarmason
2021-07-14 3:23 ` Đoàn Trần Công Danh
2021-07-14 0:11 ` [PATCH 2/4] SANITIZE tests: fix memory leaks in t13*config*, add to whitelist Ævar Arnfjörð Bjarmason
2021-07-14 0:11 ` [PATCH 3/4] SANITIZE tests: fix memory leaks in t5701*, " Ævar Arnfjörð Bjarmason
2021-07-14 0:11 ` [PATCH 4/4] SANITIZE tests: fix leak in mailmap.c Ævar Arnfjörð Bjarmason
2021-07-14 2:19 ` Eric Sunshine
2021-07-14 17:23 ` [PATCH v2 0/4] add a test mode for SANITIZE=leak, run it in CI Ævar Arnfjörð Bjarmason
2021-07-14 17:23 ` [PATCH v2 1/4] tests: " Ævar Arnfjörð Bjarmason
2021-07-14 18:42 ` Andrzej Hunt
2021-07-14 22:39 ` Ævar Arnfjörð Bjarmason
2021-07-15 21:14 ` Jeff King
2021-07-15 21:06 ` Jeff King
2021-07-16 14:46 ` Ævar Arnfjörð Bjarmason
2021-07-16 18:09 ` Jeff King
2021-07-16 18:45 ` Jeff King
2021-07-16 18:56 ` Ævar Arnfjörð Bjarmason
2021-07-16 19:22 ` Jeff King
2021-07-14 17:23 ` [PATCH v2 2/4] SANITIZE tests: fix memory leaks in t13*config*, add to whitelist Ævar Arnfjörð Bjarmason
2021-07-14 18:57 ` Andrzej Hunt
2021-07-14 22:56 ` Ævar Arnfjörð Bjarmason
2021-07-15 21:42 ` Jeff King
2021-07-16 5:18 ` Andrzej Hunt
2021-07-16 21:20 ` Jeff King
2021-07-16 7:46 ` Ævar Arnfjörð Bjarmason
2021-07-16 21:16 ` Jeff King
2021-08-31 12:47 ` Ævar Arnfjörð Bjarmason
2021-09-01 7:53 ` Jeff King
2021-09-01 11:45 ` Ævar Arnfjörð Bjarmason
2021-07-14 17:23 ` [PATCH v2 3/4] SANITIZE tests: fix memory leaks in t5701*, " Ævar Arnfjörð Bjarmason
2021-07-15 17:37 ` Andrzej Hunt
2021-07-15 21:43 ` Jeff King
2021-08-31 13:46 ` [PATCH] protocol-caps.c: fix memory leak in send_info() Ævar Arnfjörð Bjarmason
2021-08-31 15:32 ` Bruno Albuquerque
2021-08-31 18:15 ` Junio C Hamano
[not found] ` <CAPeR6H69a_HMwWnpHzssaCm_ow=ic7AnzMdZVQJQ2ECRDaWzaA@mail.gmail.com>
2021-08-31 20:08 ` Ævar Arnfjörð Bjarmason
2021-07-14 17:23 ` [PATCH v2 4/4] SANITIZE tests: fix leak in mailmap.c Ævar Arnfjörð Bjarmason
2021-08-31 13:42 ` [PATCH] mailmap.c: fix a memory leak in free_mailap_{info,entry}() Ævar Arnfjörð Bjarmason
2021-08-31 16:22 ` Eric Sunshine
2021-08-31 19:38 ` Jeff King
2021-08-31 19:46 ` Junio C Hamano
2021-07-15 17:37 ` [PATCH v2 0/4] add a test mode for SANITIZE=leak, run it in CI Andrzej Hunt
2021-08-31 13:35 ` [PATCH v3 0/8] " Ævar Arnfjörð Bjarmason
2021-09-01 9:56 ` Jeff King
2021-09-01 10:42 ` Jeff King
2021-09-02 12:25 ` Ævar Arnfjörð Bjarmason
2021-09-03 11:13 ` Jeff King
2021-09-07 15:33 ` [PATCH v4 0/3] " Ævar Arnfjörð Bjarmason
2021-09-07 15:33 ` [PATCH v4 1/3] Makefile: add SANITIZE=leak flag to GIT-BUILD-OPTIONS Ævar Arnfjörð Bjarmason
2021-09-07 15:33 ` [PATCH v4 2/3] CI: refactor "if" to "case" statement Ævar Arnfjörð Bjarmason
2021-09-07 15:33 ` [PATCH v4 3/3] tests: add a test mode for SANITIZE=leak, run it in CI Ævar Arnfjörð Bjarmason
2021-09-07 16:29 ` Eric Sunshine
2021-09-07 16:51 ` Jeff King
2021-09-07 16:44 ` [PATCH v4 0/3] " Jeff King
2021-09-07 18:22 ` Junio C Hamano
2021-09-07 21:30 ` [PATCH v5 " Ævar Arnfjörð Bjarmason
2021-09-07 21:30 ` [PATCH v5 1/3] Makefile: add SANITIZE=leak flag to GIT-BUILD-OPTIONS Ævar Arnfjörð Bjarmason
2021-09-07 21:30 ` [PATCH v5 2/3] CI: refactor "if" to "case" statement Ævar Arnfjörð Bjarmason
2021-09-07 21:30 ` [PATCH v5 3/3] tests: add a test mode for SANITIZE=leak, run it in CI Ævar Arnfjörð Bjarmason
2021-09-08 4:46 ` Eric Sunshine
2021-09-16 3:56 ` [PATCH] fixup! " Carlo Marcelo Arenas Belón
2021-09-16 6:14 ` Ævar Arnfjörð Bjarmason
2021-09-08 11:02 ` [PATCH v5 0/3] " Junio C Hamano
2021-09-08 12:03 ` Ævar Arnfjörð Bjarmason
2021-09-09 23:10 ` Emily Shaffer
2021-09-16 10:48 ` [PATCH v6 0/2] " Ævar Arnfjörð Bjarmason
2021-09-16 10:48 ` [PATCH v6 1/2] Makefile: add SANITIZE=leak flag to GIT-BUILD-OPTIONS Ævar Arnfjörð Bjarmason
2021-09-16 10:48 ` [PATCH v6 2/2] tests: add a test mode for SANITIZE=leak, run it in CI Ævar Arnfjörð Bjarmason
2021-09-19 8:03 ` [PATCH v7 0/2] " Ævar Arnfjörð Bjarmason
2021-09-19 8:03 ` [PATCH v7 1/2] Makefile: add SANITIZE=leak flag to GIT-BUILD-OPTIONS Ævar Arnfjörð Bjarmason
2021-09-19 8:03 ` [PATCH v7 2/2] tests: add a test mode for SANITIZE=leak, run it in CI Ævar Arnfjörð Bjarmason
2021-09-22 11:17 ` [PATCH] fixup! " Carlo Marcelo Arenas Belón
2021-09-23 1:50 ` Ævar Arnfjörð Bjarmason
2021-09-23 9:20 ` [PATCH v8 0/2] " Ævar Arnfjörð Bjarmason
2021-09-23 9:20 ` [PATCH v8 1/2] Makefile: add SANITIZE=leak flag to GIT-BUILD-OPTIONS Ævar Arnfjörð Bjarmason
2021-09-23 9:20 ` [PATCH v8 2/2] tests: add a test mode for SANITIZE=leak, run it in CI Ævar Arnfjörð Bjarmason
2021-11-03 22:44 ` Re* " Junio C Hamano
2021-11-03 23:57 ` Junio C Hamano
2021-11-04 10:06 ` Ævar Arnfjörð Bjarmason [this message]
2021-11-16 18:31 ` [PATCH] t0006: date_mode can leak .strftime_fmt member Ævar Arnfjörð Bjarmason
2021-11-16 19:04 ` Junio C Hamano
2021-11-16 19:31 ` Jeff King
2022-02-02 21:03 ` [PATCH 0/5] date.[ch] API: split from cache.h, add API docs, stop leaking memory Ævar Arnfjörð Bjarmason
2022-02-02 21:03 ` [PATCH 1/5] cache.h: remove always unused show_date_human() declaration Ævar Arnfjörð Bjarmason
2022-02-02 21:03 ` [PATCH 2/5] date API: create a date.h, split from cache.h Ævar Arnfjörð Bjarmason
2022-02-02 21:19 ` Ævar Arnfjörð Bjarmason
2022-02-15 3:04 ` Junio C Hamano
2022-02-02 21:03 ` [PATCH 3/5] date API: provide and use a DATE_MODE_INIT Ævar Arnfjörð Bjarmason
2022-02-02 21:03 ` [PATCH 4/5] date API: add basic API docs Ævar Arnfjörð Bjarmason
2022-02-15 2:14 ` Junio C Hamano
2022-02-02 21:03 ` [PATCH 5/5] date API: add and use a date_mode_release() Ævar Arnfjörð Bjarmason
2022-02-15 0:28 ` Junio C Hamano
2022-02-04 23:53 ` [PATCH v2 0/5] date.[ch] API: split from cache.h, add API docs, stop leaking memory Ævar Arnfjörð Bjarmason
2022-02-04 23:53 ` [PATCH v2 1/5] cache.h: remove always unused show_date_human() declaration Ævar Arnfjörð Bjarmason
2022-02-04 23:53 ` [PATCH v2 2/5] date API: create a date.h, split from cache.h Ævar Arnfjörð Bjarmason
2022-02-04 23:53 ` [PATCH v2 3/5] date API: provide and use a DATE_MODE_INIT Ævar Arnfjörð Bjarmason
2022-02-04 23:53 ` [PATCH v2 4/5] date API: add basic API docs Ævar Arnfjörð Bjarmason
2022-02-04 23:53 ` [PATCH v2 5/5] date API: add and use a date_mode_release() Ævar Arnfjörð Bjarmason
2022-02-14 17:25 ` [PATCH v2 0/5] date.[ch] API: split from cache.h, add API docs, stop leaking memory Ævar Arnfjörð Bjarmason
2022-02-14 19:52 ` Junio C Hamano
2022-02-16 8:14 ` [PATCH v3 " Ævar Arnfjörð Bjarmason
2022-02-16 8:14 ` [PATCH v3 1/5] cache.h: remove always unused show_date_human() declaration Ævar Arnfjörð Bjarmason
2022-02-16 8:14 ` [PATCH v3 2/5] date API: create a date.h, split from cache.h Ævar Arnfjörð Bjarmason
2022-02-16 8:14 ` [PATCH v3 3/5] date API: provide and use a DATE_MODE_INIT Ævar Arnfjörð Bjarmason
2022-02-16 8:14 ` [PATCH v3 4/5] date API: add basic API docs Ævar Arnfjörð Bjarmason
2022-02-16 8:14 ` [PATCH v3 5/5] date API: add and use a date_mode_release() Ævar Arnfjörð Bjarmason
2022-02-16 17:45 ` [PATCH v3 0/5] date.[ch] API: split from cache.h, add API docs, stop leaking memory Junio C Hamano
[not found] ` <cover-v3-0.8-00000000000-20210831T132607Z-avarab@gmail.com>
2021-08-31 13:35 ` [PATCH v3 1/8] Makefile: add SANITIZE=leak flag to GIT-BUILD-OPTIONS Ævar Arnfjörð Bjarmason
2021-08-31 13:35 ` [PATCH v3 2/8] CI: refactor "if" to "case" statement Ævar Arnfjörð Bjarmason
2021-08-31 13:35 ` [PATCH v3 3/8] tests: add a test mode for SANITIZE=leak, run it in CI Ævar Arnfjörð Bjarmason
2021-08-31 13:35 ` [PATCH v3 4/8] tests: annotate t000*.sh with TEST_PASSES_SANITIZE_LEAK=true Ævar Arnfjörð Bjarmason
2021-08-31 13:35 ` [PATCH v3 5/8] tests: annotate t001*.sh " Ævar Arnfjörð Bjarmason
2021-08-31 13:35 ` [PATCH v3 6/8] tests: annotate t002*.sh " Ævar Arnfjörð Bjarmason
2021-08-31 13:35 ` [PATCH v3 7/8] tests: annotate select t0*.sh " Ævar Arnfjörð Bjarmason
2021-08-31 13:35 ` [PATCH v3 8/8] tests: annotate select t*.sh " Ævar Arnfjörð Bjarmason
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