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charset=us-ascii Content-Disposition: inline In-Reply-To: <87445e701574058b142e036c3b8a0f505086ab64.1758806023.git.alx@kernel.org> X-Stat-Signature: cbgp6widm3sg6yodesxxe5uekjm9jt4q X-Rspam-User: X-Rspamd-Queue-Id: 308A54000E X-Rspamd-Server: rspam10 X-HE-Tag: 1762796901-954755 X-HE-Meta: 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 i+p10lOa CwbXkf1/Cc4ROYg6FDflQWCB36n6JRPvwaRJc1xQXQuQ0+2SHIgy5vA3zXM48j6d8IEprdxLqg7ebvp5BDJKW/i2AMWgHep09rHY3MWFw7dvfVZIuJBeHRqfm2dcDAvxb/8+L0YWTWwwaZXQzNaNu1hTY4ltHHJj0jkZFDPpqphzNJvnKUICYj/u0XG2NPV4NBtIN6muWz9QzPY1AKeUVIuIpeLQWxFuCkIqwAnepjXkObnXHxbqsddKC1YIzczTFsF0vKcC4i1QMYbrkYm8FiOMCootMOj+lfDHBR9dMibJAZJlIFIpTelDsx2VCtQH0x/IjJGwBy6qM217Oij/thUYY8J2zdAZJHriwhIBWaohF5TWI3TVeeGhZbKvfEOZDbEFCqhBYDYLgG1RBUDE3weWtjKslDJ4lzq3X7SoX+iEJ6Jc= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Alejandro, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on kees/for-next/pstore kees/for-next/kspp linus/master linux/master v6.18-rc5 next-20251110] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Alejandro-Colomar/array_size-h-Add-ARRAY_END/20251110-075203 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/87445e701574058b142e036c3b8a0f505086ab64.1758806023.git.alx%40kernel.org patch subject: [PATCH v1 2/3] mm: Fix benign off-by-one bugs config: loongarch-randconfig-001-20251110 (https://download.01.org/0day-ci/archive/20251111/202511110100.9uPtQqN1-lkp@intel.com/config) compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 996639d6ebb86ff15a8c99b67f1c2e2117636ae7) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251111/202511110100.9uPtQqN1-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/202511110100.9uPtQqN1-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/kfence/kfence_test.c:113:8: error: call to undeclared function 'ENDOF'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 113 | end = ENDOF(expect[0]); | ^ >> mm/kfence/kfence_test.c:113:6: error: incompatible integer to pointer conversion assigning to 'const char *' from 'int' [-Wint-conversion] 113 | end = ENDOF(expect[0]); | ^ ~~~~~~~~~~~~~~~~ mm/kfence/kfence_test.c:143:6: error: incompatible integer to pointer conversion assigning to 'const char *' from 'int' [-Wint-conversion] 143 | end = ENDOF(expect[1]); | ^ ~~~~~~~~~~~~~~~~ 3 errors generated. vim +/ENDOF +113 mm/kfence/kfence_test.c 94 95 /* Check observed report matches information in @r. */ 96 static bool report_matches(const struct expect_report *r) 97 { 98 unsigned long addr = (unsigned long)r->addr; 99 bool ret = false; 100 unsigned long flags; 101 typeof(observed.lines) expect; 102 const char *end; 103 char *cur; 104 105 /* Doubled-checked locking. */ 106 if (!report_available()) 107 return false; 108 109 /* Generate expected report contents. */ 110 111 /* Title */ 112 cur = expect[0]; > 113 end = ENDOF(expect[0]); 114 switch (r->type) { 115 case KFENCE_ERROR_OOB: 116 cur += scnprintf(cur, end - cur, "BUG: KFENCE: out-of-bounds %s", 117 get_access_type(r)); 118 break; 119 case KFENCE_ERROR_UAF: 120 cur += scnprintf(cur, end - cur, "BUG: KFENCE: use-after-free %s", 121 get_access_type(r)); 122 break; 123 case KFENCE_ERROR_CORRUPTION: 124 cur += scnprintf(cur, end - cur, "BUG: KFENCE: memory corruption"); 125 break; 126 case KFENCE_ERROR_INVALID: 127 cur += scnprintf(cur, end - cur, "BUG: KFENCE: invalid %s", 128 get_access_type(r)); 129 break; 130 case KFENCE_ERROR_INVALID_FREE: 131 cur += scnprintf(cur, end - cur, "BUG: KFENCE: invalid free"); 132 break; 133 } 134 135 scnprintf(cur, end - cur, " in %pS", r->fn); 136 /* The exact offset won't match, remove it; also strip module name. */ 137 cur = strchr(expect[0], '+'); 138 if (cur) 139 *cur = '\0'; 140 141 /* Access information */ 142 cur = expect[1]; 143 end = ENDOF(expect[1]); 144 145 switch (r->type) { 146 case KFENCE_ERROR_OOB: 147 cur += scnprintf(cur, end - cur, "Out-of-bounds %s at", get_access_type(r)); 148 addr = arch_kfence_test_address(addr); 149 break; 150 case KFENCE_ERROR_UAF: 151 cur += scnprintf(cur, end - cur, "Use-after-free %s at", get_access_type(r)); 152 addr = arch_kfence_test_address(addr); 153 break; 154 case KFENCE_ERROR_CORRUPTION: 155 cur += scnprintf(cur, end - cur, "Corrupted memory at"); 156 break; 157 case KFENCE_ERROR_INVALID: 158 cur += scnprintf(cur, end - cur, "Invalid %s at", get_access_type(r)); 159 addr = arch_kfence_test_address(addr); 160 break; 161 case KFENCE_ERROR_INVALID_FREE: 162 cur += scnprintf(cur, end - cur, "Invalid free of"); 163 break; 164 } 165 166 cur += scnprintf(cur, end - cur, " 0x%p", (void *)addr); 167 168 spin_lock_irqsave(&observed.lock, flags); 169 if (!report_available()) 170 goto out; /* A new report is being captured. */ 171 172 /* Finally match expected output to what we actually observed. */ 173 ret = strstr(observed.lines[0], expect[0]) && strstr(observed.lines[1], expect[1]); 174 out: 175 spin_unlock_irqrestore(&observed.lock, flags); 176 return ret; 177 } 178 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki