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 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@xxxxxxxxx/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 <yujie.liu@xxxxxxxxx> | Closes: https://lore.kernel.org/r/202404190226.OfJOewV8-lkp@xxxxxxxxx/ 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
