:::::: :::::: Manual check reason: "low confidence bisect report" :::::: Manual check reason: "low confidence static check warning: sound/soc/soc-utils-test.c:125:34: warning: use of uninitialized value '((int *)_13 = PHI <&MEM <struct snd_pcm_hw_params> [(void *)¶ms + 4B](2), _48(3)>)[2]' [CWE-457] [-Wanalyzer-use-of-uninitialized-value]" ::::::
BCC: l...@intel.com CC: kbuild-...@lists.01.org CC: linux-ker...@vger.kernel.org TO: Richard Fitzgerald <r...@opensource.cirrus.com> CC: Mark Brown <broo...@kernel.org> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868 commit: 89342fa38bbaade51584f255eee5cd43621f4e10 ASoC: soc-utils: Add kunit test for snd_soc_tdm_params_to_bclk() date: 4 months ago :::::: branch date: 14 hours ago :::::: commit date: 4 months ago config: arm-randconfig-c002-20220810 (https://download.01.org/0day-ci/archive/20220815/202208152002.a2yviwme-...@intel.com/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89342fa38bbaade51584f255eee5cd43621f4e10 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 89342fa38bbaade51584f255eee5cd43621f4e10 # save the config file COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross ARCH=arm KBUILD_USERCFLAGS='-fanalyzer -Wno-error' If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <l...@intel.com> gcc-analyzer warnings: (new ones prefixed by >>) sound/soc/soc-utils-test.c: In function 'test_tdm_params_to_bclk_one': >> sound/soc/soc-utils-test.c:125:34: warning: use of uninitialized value >> '((int *)_13 = PHI <&MEM <struct snd_pcm_hw_params> [(void *)¶ms + >> 4B](2), _48(3)>)[2]' [CWE-457] [-Wanalyzer-use-of-uninitialized-value] 125 | struct snd_pcm_hw_params params; | ^~~~~~ 'test_tdm_params_to_bclk_one': events 1-4 | | 125 | struct snd_pcm_hw_params params; | | ^~~~~~ | | | | | (1) region created on stack here | | (2) following 'true' branch... | | (3) ...to here | | (4) use of uninitialized value '((int *)_13 = PHI <&MEM <struct snd_pcm_hw_params> [(void *)¶ms + 4B](2), _48(3)>)[2]' here | >> sound/soc/soc-utils-test.c:125:34: warning: use of uninitialized value >> '((int *)_13 = PHI <&MEM <struct snd_pcm_hw_params> [(void *)¶ms + >> 4B](2), _48(3)>)[2]' [CWE-457] [-Wanalyzer-use-of-uninitialized-value] 125 | struct snd_pcm_hw_params params; | ^~~~~~ 'test_tdm_params_to_bclk': event 1 | | 144 | static void test_tdm_params_to_bclk(struct kunit *test) | | ^~~~~~~~~~~~~~~~~~~~~~~ | | | | | (1) entry to 'test_tdm_params_to_bclk' | 'test_tdm_params_to_bclk': events 2-4 | | 148 | for (i = 0; i < ARRAY_SIZE(tdm_params_to_bclk_cases); ++i) { | 149 | test_tdm_params_to_bclk_one(test, | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | (4) calling 'test_tdm_params_to_bclk_one' from 'test_tdm_params_to_bclk' | 150 | tdm_params_to_bclk_cases[i].rate, | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | (3) ...to here | 151 | tdm_params_to_bclk_cases[i].fmt, | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 152 | tdm_params_to_bclk_cases[i].channels, | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 153 | tdm_params_to_bclk_cases[i].tdm_width, | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 154 | tdm_params_to_bclk_cases[i].tdm_slots, | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 155 | tdm_params_to_bclk_cases[i].slot_multiple, | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 156 | tdm_params_to_bclk_cases[i].bclk); | | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | +--> 'test_tdm_params_to_bclk_one': events 5-9 | | 118 | static void test_tdm_params_to_bclk_one(struct kunit *test, | | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | | | (5) entry to 'test_tdm_params_to_bclk_one' |...... | 125 | struct snd_pcm_hw_params params; | | ~~~~~~ | | | | | (6) region created on stack here | | (7) following 'true' branch... | | (8) ...to here | | (9) use of uninitialized value '((int *)_13 = PHI <&MEM <struct snd_pcm_hw_params> [(void *)¶ms + 4B](2), _48(3)>)[2]' here | vim +125 sound/soc/soc-utils-test.c 89342fa38bbaad Richard Fitzgerald 2022-04-05 117 89342fa38bbaad Richard Fitzgerald 2022-04-05 118 static void test_tdm_params_to_bclk_one(struct kunit *test, 89342fa38bbaad Richard Fitzgerald 2022-04-05 119 unsigned int rate, snd_pcm_format_t fmt, 89342fa38bbaad Richard Fitzgerald 2022-04-05 120 unsigned int channels, 89342fa38bbaad Richard Fitzgerald 2022-04-05 121 unsigned int tdm_width, unsigned int tdm_slots, 89342fa38bbaad Richard Fitzgerald 2022-04-05 122 unsigned int slot_multiple, 89342fa38bbaad Richard Fitzgerald 2022-04-05 123 unsigned int expected_bclk) 89342fa38bbaad Richard Fitzgerald 2022-04-05 124 { 89342fa38bbaad Richard Fitzgerald 2022-04-05 @125 struct snd_pcm_hw_params params; 89342fa38bbaad Richard Fitzgerald 2022-04-05 126 int got_bclk; 89342fa38bbaad Richard Fitzgerald 2022-04-05 127 89342fa38bbaad Richard Fitzgerald 2022-04-05 128 _snd_pcm_hw_params_any(¶ms); 89342fa38bbaad Richard Fitzgerald 2022-04-05 129 snd_mask_none(hw_param_mask(¶ms, SNDRV_PCM_HW_PARAM_FORMAT)); 89342fa38bbaad Richard Fitzgerald 2022-04-05 130 hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->min = rate; 89342fa38bbaad Richard Fitzgerald 2022-04-05 131 hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_RATE)->max = rate; 89342fa38bbaad Richard Fitzgerald 2022-04-05 132 hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->min = channels; 89342fa38bbaad Richard Fitzgerald 2022-04-05 133 hw_param_interval(¶ms, SNDRV_PCM_HW_PARAM_CHANNELS)->max = channels; 89342fa38bbaad Richard Fitzgerald 2022-04-05 134 params_set_format(¶ms, fmt); 89342fa38bbaad Richard Fitzgerald 2022-04-05 135 89342fa38bbaad Richard Fitzgerald 2022-04-05 136 got_bclk = snd_soc_tdm_params_to_bclk(¶ms, tdm_width, tdm_slots, slot_multiple); 89342fa38bbaad Richard Fitzgerald 2022-04-05 137 pr_debug("%s: r=%u sb=%u ch=%u tw=%u ts=%u sm=%u expected=%u got=%d\n", 89342fa38bbaad Richard Fitzgerald 2022-04-05 138 __func__, 89342fa38bbaad Richard Fitzgerald 2022-04-05 139 rate, params_width(¶ms), channels, tdm_width, tdm_slots, slot_multiple, 89342fa38bbaad Richard Fitzgerald 2022-04-05 140 expected_bclk, got_bclk); 89342fa38bbaad Richard Fitzgerald 2022-04-05 141 KUNIT_ASSERT_EQ(test, expected_bclk, (unsigned int)got_bclk); 89342fa38bbaad Richard Fitzgerald 2022-04-05 142 } 89342fa38bbaad Richard Fitzgerald 2022-04-05 143 -- 0-DAY CI Kernel Test Service https://01.org/lkp _______________________________________________ kbuild mailing list -- kbuild@lists.01.org To unsubscribe send an email to kbuild-le...@lists.01.org
