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Wed, 23 Aug 2023 07:45:56 +0000 Date: Wed, 23 Aug 2023 15:45:09 +0800 From: kernel test robot To: Melissa Wen Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Dave Airlie Subject: drivers/gpu/drm/tests/drm_format_helper_test.c:757:36: sparse: sparse: incorrect type in argument 2 (different base types) Message-ID: <202308231534.WcBFVCgH-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 89bf6209cad66214d3774dac86b6bbf2aec6a30d commit: c37ea39c1fa880da0d7fd2c719e5c96be19f0fc5 Merge tag 'drm-misc-next-2023-01-12' of git://anongit.freedesktop.org/drm/drm-misc into drm-next date: 7 months ago config: i386-randconfig-061-20230823 (https://download.01.org/0day-ci/archive/20230823/202308231534.WcBFVCgH-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230823/202308231534.WcBFVCgH-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202308231534.WcBFVCgH-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/tests/drm_format_helper_test.c:757:36: sparse: sparse: incorrect type in argument 2 (different base types) @@ expected restricted __le32 const [usertype] *buf @@ got unsigned int [usertype] *[assigned] buf @@ drivers/gpu/drm/tests/drm_format_helper_test.c:757:36: sparse: expected restricted __le32 const [usertype] *buf drivers/gpu/drm/tests/drm_format_helper_test.c:757:36: sparse: got unsigned int [usertype] *[assigned] buf vim +757 drivers/gpu/drm/tests/drm_format_helper_test.c 175073d694cd9d Thomas Zimmermann 2023-01-02 729 453114319699b6 José Expósito 2022-09-26 730 static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test) 453114319699b6 José Expósito 2022-09-26 731 { 453114319699b6 José Expósito 2022-09-26 732 const struct convert_xrgb8888_case *params = test->param_value; 453114319699b6 José Expósito 2022-09-26 733 const struct convert_to_xrgb2101010_result *result = ¶ms->xrgb2101010_result; 453114319699b6 José Expósito 2022-09-26 734 size_t dst_size; 4db88a9026c220 Thomas Zimmermann 2023-01-02 735 u32 *buf = NULL; 58f5d9830da0d4 Thomas Zimmermann 2023-01-02 736 __le32 *xrgb8888 = NULL; 453114319699b6 José Expósito 2022-09-26 737 struct iosys_map dst, src; 453114319699b6 José Expósito 2022-09-26 738 453114319699b6 José Expósito 2022-09-26 739 struct drm_framebuffer fb = { 453114319699b6 José Expósito 2022-09-26 740 .format = drm_format_info(DRM_FORMAT_XRGB8888), 453114319699b6 José Expósito 2022-09-26 741 .pitches = { params->pitch, 0, 0 }, 453114319699b6 José Expósito 2022-09-26 742 }; 453114319699b6 José Expósito 2022-09-26 743 453114319699b6 José Expósito 2022-09-26 744 dst_size = conversion_buf_size(DRM_FORMAT_XRGB2101010, 453114319699b6 José Expósito 2022-09-26 745 result->dst_pitch, ¶ms->clip); 453114319699b6 José Expósito 2022-09-26 746 KUNIT_ASSERT_GT(test, dst_size, 0); 453114319699b6 José Expósito 2022-09-26 747 453114319699b6 José Expósito 2022-09-26 748 buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); 453114319699b6 José Expósito 2022-09-26 749 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); 453114319699b6 José Expósito 2022-09-26 750 iosys_map_set_vaddr(&dst, buf); 453114319699b6 José Expósito 2022-09-26 751 58f5d9830da0d4 Thomas Zimmermann 2023-01-02 752 xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); 453114319699b6 José Expósito 2022-09-26 753 KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); 453114319699b6 José Expósito 2022-09-26 754 iosys_map_set_vaddr(&src, xrgb8888); 453114319699b6 José Expósito 2022-09-26 755 453114319699b6 José Expósito 2022-09-26 756 drm_fb_xrgb8888_to_xrgb2101010(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); 7089003304c676 David Gow 2022-10-19 @757 buf = le32buf_to_cpu(test, buf, dst_size / sizeof(u32)); a52a5451f43bb7 Maíra Canal 2022-10-25 758 KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); 453114319699b6 José Expósito 2022-09-26 759 } 453114319699b6 José Expósito 2022-09-26 760 :::::: The code at line 757 was first introduced by commit :::::: 7089003304c67658caead22f841840fc4a26b198 drm: tests: Fix a buffer overflow in format_helper_test :::::: TO: David Gow :::::: CC: Javier Martinez Canillas -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki