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Diffstat (limited to 'test/asan/TestCases/strcasestr-1.c')
-rw-r--r-- | test/asan/TestCases/strcasestr-1.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/asan/TestCases/strcasestr-1.c b/test/asan/TestCases/strcasestr-1.c new file mode 100644 index 000000000000..c6f9d193e503 --- /dev/null +++ b/test/asan/TestCases/strcasestr-1.c @@ -0,0 +1,24 @@ +// Test haystack overflow in strcasestr function +// RUN: %clang_asan %s -o %t && ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=true not %run %t 2>&1 | FileCheck %s + +// Test intercept_strstr asan option +// Disable other interceptors because strlen may be called inside strcasestr +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:intercept_strstr=false:replace_str=false %run %t 2>&1 + +// There's no interceptor for strcasestr on Windows +// XFAIL: win32 + +#define _GNU_SOURCE +#include <assert.h> +#include <string.h> + +int main(int argc, char **argv) { + char *r = 0; + char s2[] = "c"; + char s1[] = {'a', 'C'}; + char s3 = 0; + r = strcasestr(s1, s2); + // CHECK:'s{{[1|3]}}' <== Memory access at offset {{[0-9]+ .*}}flows this variable + assert(r == s1 + 1); + return 0; +} |