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Diffstat (limited to 'test/asan/TestCases/atoll_strict.c')
-rw-r--r-- | test/asan/TestCases/atoll_strict.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/test/asan/TestCases/atoll_strict.c b/test/asan/TestCases/atoll_strict.c new file mode 100644 index 000000000000..23405d2d220d --- /dev/null +++ b/test/asan/TestCases/atoll_strict.c @@ -0,0 +1,55 @@ +// Test strict_string_checks option in atoll function +// RUN: %clang_asan %s -o %t +// RUN: %run %t test1 2>&1 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=false %run %t test1 2>&1 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=true not %run %t test1 2>&1 | FileCheck %s --check-prefix=CHECK1 +// RUN: %run %t test2 2>&1 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=false %run %t test2 2>&1 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=true not %run %t test2 2>&1 | FileCheck %s --check-prefix=CHECK2 +// RUN: %run %t test3 2>&1 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=false %run %t test3 2>&1 +// RUN: env ASAN_OPTIONS=$ASAN_OPTIONS:strict_string_checks=true not %run %t test3 2>&1 | FileCheck %s --check-prefix=CHECK3 + +#include <assert.h> +#include <stdlib.h> +#include <string.h> + +void test1(char *array) { + // Last symbol is non-digit + memset(array, '1', 10); + array[9] = 'a'; + long long r = atoll(array); + assert(r == 111111111); +} + +void test2(char *array) { + // Single non-digit symbol + array[9] = 'a'; + long long r = atoll(array + 9); + assert(r == 0); +} + +void test3(char *array) { + // Incorrect number format + memset(array, ' ', 10); + array[9] = '-'; + array[8] = '-'; + long long r = atoll(array); + assert(r == 0); +} + +int main(int argc, char **argv) { + char *array = (char*)malloc(10); + if (argc != 2) return 1; + if (!strcmp(argv[1], "test1")) test1(array); + // CHECK1: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}} + // CHECK1: READ of size 11 + if (!strcmp(argv[1], "test2")) test2(array); + // CHECK2: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}} + // CHECK2: READ of size 2 + if (!strcmp(argv[1], "test3")) test3(array); + // CHECK3: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}} + // CHECK3: READ of size 11 + free(array); + return 0; +} |