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X-CSE-ConnectionGUID: q7tx+c8JT86qwIwTFB54+A== X-CSE-MsgGUID: eW9TXYqeTCqteMmNLss4Fw== X-IronPort-AV: E=McAfee;i="6800,10657,11917"; a="107602639" X-IronPort-AV: E=Sophos;i="6.27,126,1787036400"; d="scan'208";a="107602639" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Sep 2026 01:14:11 -0700 X-CSE-ConnectionGUID: sa1zP50AQju/30slBBReiw== X-CSE-MsgGUID: Rfdb0fxZTWuoo57ZJejuuQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,126,1787036400"; d="scan'208";a="279489692" Received: from igk-lkp-server01.igk.intel.com (HELO 04362d00df5a) ([10.211.93.152]) by fmviesa004.fm.intel.com with ESMTP; 27 Sep 2026 01:14:09 -0700 Received: from kbuild by 04362d00df5a with local (Exim 4.98.2) (envelope-from ) id 1xAk1O-000000000VL-1hkR; Sun, 27 Sep 2026 08:14:06 +0000 Date: Sun, 27 Sep 2026 10:13:54 +0200 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: [android-common:android12-kiwi-5.10 284/284] userfaultfd.c:374:13: warning: 'uffd_test_ctx_clear' defined but not used Message-ID: <202609271024.F2KgGL4a-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: :::::: :::::: Manual check reason: "low confidence bisect report" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev TO: cros-kernel-buildreports@googlegroups.com Hi Axel, FYI, the error/warning still remains. tree: https://android.googlesource.com/kernel/common android12-kiwi-5.10 head: 9b45a047ff0f19af584920a93cd8020b8538a5c3 commit: c2c081d009b3f82013b4c3fdcd6104340fef2201 [284/284] BACKPORT: FROMGIT: userfaultfd/selftests: reinitialize test context in each test :::::: branch date: 2 days ago :::::: commit date: 5 years ago config: x86_64-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260927/202609271024.F2KgGL4a-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260927/202609271024.F2KgGL4a-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/r/202609271024.F2KgGL4a-lkp@intel.com/ All warnings (new ones prefixed by >>): | ^~~~ userfaultfd.c:976:25: note: in expansion of macro 'err' 976 | err("UFFDIO_ZEROPAGE error: %"PRId64, | ^~~ userfaultfd.c:979:47: error: expected ')' before 'PRId64' 979 | err("UFFDIO_ZEROPAGE error: %"PRId64, | ^~~~~~ userfaultfd.c:146:43: note: in definition of macro '_err' 146 | fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \ | ^~~ userfaultfd.c:979:17: note: in expansion of macro 'err' 979 | err("UFFDIO_ZEROPAGE error: %"PRId64, | ^~~ userfaultfd.c:979:47: note: 'PRId64' is defined in header ''; this is probably fixable by adding '#include ' 979 | err("UFFDIO_ZEROPAGE error: %"PRId64, | ^~~~~~ userfaultfd.c:146:43: note: in definition of macro '_err' 146 | fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \ | ^~~ userfaultfd.c:979:17: note: in expansion of macro 'err' 979 | err("UFFDIO_ZEROPAGE error: %"PRId64, | ^~~ userfaultfd.c:146:24: note: to match this '(' 146 | fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \ | ^ userfaultfd.c:153:17: note: in expansion of macro '_err' 153 | _err(fmt, ##__VA_ARGS__); \ | ^~~~ userfaultfd.c:979:17: note: in expansion of macro 'err' 979 | err("UFFDIO_ZEROPAGE error: %"PRId64, | ^~~ userfaultfd.c:146:33: warning: spurious trailing '%' in format [-Wformat=] 146 | fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \ | ^~~~~~~~~ userfaultfd.c:153:17: note: in expansion of macro '_err' 153 | _err(fmt, ##__VA_ARGS__); \ | ^~~~ userfaultfd.c:979:17: note: in expansion of macro 'err' 979 | err("UFFDIO_ZEROPAGE error: %"PRId64, | ^~~ userfaultfd.c: In function '__uffdio_zeropage': userfaultfd.c:1003:55: error: expected ')' before 'PRId64' 1003 | err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res); | ^~~~~~ userfaultfd.c:146:43: note: in definition of macro '_err' 146 | fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \ | ^~~ userfaultfd.c:1003:25: note: in expansion of macro 'err' 1003 | err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res); | ^~~ userfaultfd.c:1003:55: note: 'PRId64' is defined in header ''; this is probably fixable by adding '#include ' 1003 | err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res); | ^~~~~~ userfaultfd.c:146:43: note: in definition of macro '_err' 146 | fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \ | ^~~ userfaultfd.c:1003:25: note: in expansion of macro 'err' 1003 | err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res); | ^~~ userfaultfd.c:146:24: note: to match this '(' 146 | fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \ | ^ userfaultfd.c:153:17: note: in expansion of macro '_err' 153 | _err(fmt, ##__VA_ARGS__); \ | ^~~~ userfaultfd.c:1003:25: note: in expansion of macro 'err' 1003 | err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res); | ^~~ userfaultfd.c:146:33: warning: spurious trailing '%' in format [-Wformat=] 146 | fprintf(stderr, "ERROR: " fmt, ##__VA_ARGS__); \ | ^~~~~~~~~ userfaultfd.c:153:17: note: in expansion of macro '_err' 153 | _err(fmt, ##__VA_ARGS__); \ | ^~~~ userfaultfd.c:1003:25: note: in expansion of macro 'err' 1003 | err("UFFDIO_ZEROPAGE error: %"PRId64, (int64_t)res); | ^~~ userfaultfd.c: In function 'userfaultfd_zeropage_test': userfaultfd.c:1037:9: error: implicit declaration of function 'uffd_test_ctx_init'; did you mean 'uffd_test_ctx_clear'? [-Wimplicit-function-declaration] 1037 | uffd_test_ctx_init(0); | ^~~~~~~~~~~~~~~~~~ | uffd_test_ctx_clear userfaultfd.c: In function 'userfaultfd_minor_test': userfaultfd.c:1180:9: error: unknown type name 'uint8_t' 1180 | uint8_t expected_byte; | ^~~~~~~ userfaultfd.c:1180:9: note: 'uint8_t' is defined in header ''; this is probably fixable by adding '#include ' userfaultfd.c:1184:9: error: unknown type name 'uint64_t' 1184 | uint64_t features = UFFD_FEATURE_MINOR_HUGETLBFS; | ^~~~~~~~ userfaultfd.c:1184:9: note: 'uint64_t' is defined in header ''; this is probably fixable by adding '#include ' userfaultfd.c:1192:9: error: implicit declaration of function 'uffd_test_ctx_init_ext'; did you mean 'uffd_test_ctx_clear'? [-Wimplicit-function-declaration] 1192 | uffd_test_ctx_init_ext(&features); | ^~~~~~~~~~~~~~~~~~~~~~ | uffd_test_ctx_clear userfaultfd.c:1216:58: error: 'uint8_t' undeclared (first use in this function) 1216 | memset(area_dst + (p * page_size), p % ((uint8_t)-1), | ^~~~~~~ userfaultfd.c:1216:58: note: 'uint8_t' is defined in header ''; this is probably fixable by adding '#include ' userfaultfd.c: At top level: >> userfaultfd.c:374:13: warning: 'uffd_test_ctx_clear' defined but not used [-Wunused-function] 374 | static void uffd_test_ctx_clear(void) | ^~~~~~~~~~~~~~~~~~~ -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki