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ESMTP; 18 Apr 2024 11:11:49 -0700 Received: from kbuild by 23c141fc0fd8 with local (Exim 4.96) (envelope-from ) id 1rxWEc-000956-2U; Thu, 18 Apr 2024 18:11:46 +0000 Date: Fri, 19 Apr 2024 02:10:55 +0800 From: kernel test robot To: oe-kbuild@lists.linux.dev Cc: lkp@intel.com Subject: [linux-next:master 6378/6705] mseal_test.c:84:59: warning: format specifies type 'char *' but the argument has type 'char (*)[5]' Message-ID: <202404190226.OfJOewV8-lkp@intel.com> Precedence: bulk X-Mailing-List: oe-kbuild@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline :::::: :::::: Manual check reason: "low confidence bisect report" :::::: BCC: lkp@intel.com CC: oe-kbuild-all@lists.linux.dev CC: Linux Memory Management List TO: Jeff Xu CC: Andrew Morton CC: Linux Memory Management List tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 7b4f2bc91c15fdcf948bb2d9741a9d7d54303f8d commit: 87c436bebeeb885b21f47a7dbcfc548e9679c688 [6378/6705] selftest mm/mseal memory sealing :::::: branch date: 11 hours ago :::::: commit date: 2 days ago compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240419/202404190226.OfJOewV8-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/202404190226.OfJOewV8-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mseal_test.c:84:59: warning: format specifies type 'char *' but the argument has type 'char (*)[5]' [-Wformat] 84 | if (sscanf(line, "%lx-%lx %4s", &addr_start, &addr_end, &protstr) == 3) { | ~~~ ^~~~~~~~ 1 warning generated. vim +84 tools/testing/selftests/mm/mseal_test.c 87c436bebeeb88 Jeff Xu 2024-04-15 69 87c436bebeeb88 Jeff Xu 2024-04-15 70 static unsigned long get_vma_size(void *addr, int *prot) 87c436bebeeb88 Jeff Xu 2024-04-15 71 { 87c436bebeeb88 Jeff Xu 2024-04-15 72 FILE *maps; 87c436bebeeb88 Jeff Xu 2024-04-15 73 char line[256]; 87c436bebeeb88 Jeff Xu 2024-04-15 74 int size = 0; 87c436bebeeb88 Jeff Xu 2024-04-15 75 uintptr_t addr_start, addr_end; 87c436bebeeb88 Jeff Xu 2024-04-15 76 char protstr[5]; 87c436bebeeb88 Jeff Xu 2024-04-15 77 *prot = 0; 87c436bebeeb88 Jeff Xu 2024-04-15 78 87c436bebeeb88 Jeff Xu 2024-04-15 79 maps = fopen("/proc/self/maps", "r"); 87c436bebeeb88 Jeff Xu 2024-04-15 80 if (!maps) 87c436bebeeb88 Jeff Xu 2024-04-15 81 return 0; 87c436bebeeb88 Jeff Xu 2024-04-15 82 87c436bebeeb88 Jeff Xu 2024-04-15 83 while (fgets(line, sizeof(line), maps)) { 87c436bebeeb88 Jeff Xu 2024-04-15 @84 if (sscanf(line, "%lx-%lx %4s", &addr_start, &addr_end, &protstr) == 3) { 87c436bebeeb88 Jeff Xu 2024-04-15 85 if (addr_start == (uintptr_t) addr) { 87c436bebeeb88 Jeff Xu 2024-04-15 86 size = addr_end - addr_start; 87c436bebeeb88 Jeff Xu 2024-04-15 87 if (protstr[0] == 'r') 87c436bebeeb88 Jeff Xu 2024-04-15 88 *prot |= 0x4; 87c436bebeeb88 Jeff Xu 2024-04-15 89 if (protstr[1] == 'w') 87c436bebeeb88 Jeff Xu 2024-04-15 90 *prot |= 0x2; 87c436bebeeb88 Jeff Xu 2024-04-15 91 if (protstr[2] == 'x') 87c436bebeeb88 Jeff Xu 2024-04-15 92 *prot |= 0x1; 87c436bebeeb88 Jeff Xu 2024-04-15 93 break; 87c436bebeeb88 Jeff Xu 2024-04-15 94 } 87c436bebeeb88 Jeff Xu 2024-04-15 95 } 87c436bebeeb88 Jeff Xu 2024-04-15 96 } 87c436bebeeb88 Jeff Xu 2024-04-15 97 fclose(maps); 87c436bebeeb88 Jeff Xu 2024-04-15 98 return size; 87c436bebeeb88 Jeff Xu 2024-04-15 99 } 87c436bebeeb88 Jeff Xu 2024-04-15 100 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from 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 Oz9Yug2y 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6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240419/202404190226.OfJOewV8-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/202404190226.OfJOewV8-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mseal_test.c:84:59: warning: format specifies type 'char *' but the argument has type 'char (*)[5]' [-Wformat] 84 | if (sscanf(line, "%lx-%lx %4s", &addr_start, &addr_end, &protstr) == 3) { | ~~~ ^~~~~~~~ 1 warning generated. vim +84 tools/testing/selftests/mm/mseal_test.c 87c436bebeeb88 Jeff Xu 2024-04-15 69 87c436bebeeb88 Jeff Xu 2024-04-15 70 static unsigned long get_vma_size(void *addr, int *prot) 87c436bebeeb88 Jeff Xu 2024-04-15 71 { 87c436bebeeb88 Jeff Xu 2024-04-15 72 FILE *maps; 87c436bebeeb88 Jeff Xu 2024-04-15 73 char line[256]; 87c436bebeeb88 Jeff Xu 2024-04-15 74 int size = 0; 87c436bebeeb88 Jeff Xu 2024-04-15 75 uintptr_t addr_start, addr_end; 87c436bebeeb88 Jeff Xu 2024-04-15 76 char protstr[5]; 87c436bebeeb88 Jeff Xu 2024-04-15 77 *prot = 0; 87c436bebeeb88 Jeff Xu 2024-04-15 78 87c436bebeeb88 Jeff Xu 2024-04-15 79 maps = fopen("/proc/self/maps", "r"); 87c436bebeeb88 Jeff Xu 2024-04-15 80 if (!maps) 87c436bebeeb88 Jeff Xu 2024-04-15 81 return 0; 87c436bebeeb88 Jeff Xu 2024-04-15 82 87c436bebeeb88 Jeff Xu 2024-04-15 83 while (fgets(line, sizeof(line), maps)) { 87c436bebeeb88 Jeff Xu 2024-04-15 @84 if (sscanf(line, "%lx-%lx %4s", &addr_start, &addr_end, &protstr) == 3) { 87c436bebeeb88 Jeff Xu 2024-04-15 85 if (addr_start == (uintptr_t) addr) { 87c436bebeeb88 Jeff Xu 2024-04-15 86 size = addr_end - addr_start; 87c436bebeeb88 Jeff Xu 2024-04-15 87 if (protstr[0] == 'r') 87c436bebeeb88 Jeff Xu 2024-04-15 88 *prot |= 0x4; 87c436bebeeb88 Jeff Xu 2024-04-15 89 if (protstr[1] == 'w') 87c436bebeeb88 Jeff Xu 2024-04-15 90 *prot |= 0x2; 87c436bebeeb88 Jeff Xu 2024-04-15 91 if (protstr[2] == 'x') 87c436bebeeb88 Jeff Xu 2024-04-15 92 *prot |= 0x1; 87c436bebeeb88 Jeff Xu 2024-04-15 93 break; 87c436bebeeb88 Jeff Xu 2024-04-15 94 } 87c436bebeeb88 Jeff Xu 2024-04-15 95 } 87c436bebeeb88 Jeff Xu 2024-04-15 96 } 87c436bebeeb88 Jeff Xu 2024-04-15 97 fclose(maps); 87c436bebeeb88 Jeff Xu 2024-04-15 98 return size; 87c436bebeeb88 Jeff Xu 2024-04-15 99 } 87c436bebeeb88 Jeff Xu 2024-04-15 100 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki