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Diffstat (limited to 'test/asan/TestCases/strstr-2.c')
-rw-r--r-- | test/asan/TestCases/strstr-2.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/test/asan/TestCases/strstr-2.c b/test/asan/TestCases/strstr-2.c new file mode 100644 index 000000000000..cd116212fa95 --- /dev/null +++ b/test/asan/TestCases/strstr-2.c @@ -0,0 +1,20 @@ +// Test needle overflow in strstr function +// RUN: %clang_asan %s -o %t && env ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=true not %run %t 2>&1 | FileCheck %s + +// Test intercept_strstr asan option +// Disable other interceptors because strlen may be called inside strstr +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:intercept_strstr=false:replace_str=false %run %t 2>&1 + +#include <assert.h> +#include <string.h> + +int main(int argc, char **argv) { + char *r = 0; + char s1[] = "ab"; + char s2[] = {'c'}; + char s3 = 0; + r = strstr(s1, s2); + // CHECK:'s{{[2|3]}}' <== Memory access at offset {{[0-9]+ .*}}flows this variable + assert(r == 0); + return 0; +} |