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SubjectRe: [PATCH 1/3] kunit: add kunit.filter_glob cmdline option to filter suites
On Thu, Feb 04, 2021 at 09:30:43AM -0800, Daniel Latypov wrote:
> On Wed, Feb 3, 2021 at 11:13 PM Dan Carpenter <dan.carpenter@oracle.com> wrote:
> >
> > Hi Daniel,
> >
> > url: https://github.com/0day-ci/linux/commits/Daniel-Latypov/kunit-support-running-subsets-of-test-suites-from/20210204-074405
> > base: 88bb507a74ea7d75fa49edd421eaa710a7d80598
> > config: x86_64-randconfig-m001-20210202 (attached as .config)
> > compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
> >
> > If you fix the issue, kindly add following tag as appropriate
> > Reported-by: kernel test robot <lkp@intel.com>
> > Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> >
> > smatch warnings:
> > lib/kunit/executor.c:110 kunit_run_all_tests() error: double free of 'suite_set.start'
> >
> > vim +110 lib/kunit/executor.c
> >
> > 8c0d884986ba22 Brendan Higgins 2020-08-04 96 int kunit_run_all_tests(void)
> > aac35468ca20a3 Alan Maguire 2020-08-04 97 {
> > aac35468ca20a3 Alan Maguire 2020-08-04 98 struct kunit_suite * const * const *suites;
> > aac35468ca20a3 Alan Maguire 2020-08-04 99
> > d5554dd78a454b Daniel Latypov 2021-02-03 100 struct suite_set suite_set = kunit_filter_suites();
> > 45dcbb6f5ef78b Brendan Higgins 2020-08-04 101
> > d5554dd78a454b Daniel Latypov 2021-02-03 102 kunit_print_tap_header(&suite_set);
> > d5554dd78a454b Daniel Latypov 2021-02-03 103
> > d5554dd78a454b Daniel Latypov 2021-02-03 104 for (suites = suite_set.start; suites < suite_set.end; suites++)
> > aac35468ca20a3 Alan Maguire 2020-08-04 105 __kunit_test_suites_init(*suites);
> > aac35468ca20a3 Alan Maguire 2020-08-04 106
> > d5554dd78a454b Daniel Latypov 2021-02-03 107 if (filter_glob) { /* a copy was made of each array */
> > d5554dd78a454b Daniel Latypov 2021-02-03 108 for (suites = suite_set.start; suites < suite_set.end; suites++)
> > ^^^^^^^^^^^^^^^^^^^^^^^^
> > This will free "suite_set.start" will in the first iteration through the
> > loop
>
> Ah, the loop is supposed to contain `kfree(*suites)`.
> I'll fix the patch and resend.
>
> I'm not familiar with conventions but it feels like adding Reported-by
> on the amended patch would almost imply the report suggested the need
> for the ability to filter suites.
> So I'll add an informal attribution in the cover letter.
>
> Thanks!

These emails are autogenerated by the kbuild bot and I just look them
over and hit forward.

regards,
dan carpenter

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