forked from OSchip/llvm-project
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
// Test strict_string_checks option in atol function
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// RUN: %clang_asan %s -o %t
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// RUN: %run %t test1 2>&1
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// RUN: %env_asan_opts=strict_string_checks=false %run %t test1 2>&1
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// RUN: %env_asan_opts=strict_string_checks=true not %run %t test1 2>&1 | FileCheck %s --check-prefix=CHECK1
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// RUN: %run %t test2 2>&1
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// RUN: %env_asan_opts=strict_string_checks=false %run %t test2 2>&1
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// RUN: %env_asan_opts=strict_string_checks=true not %run %t test2 2>&1 | FileCheck %s --check-prefix=CHECK2
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// RUN: %run %t test3 2>&1
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// RUN: %env_asan_opts=strict_string_checks=false %run %t test3 2>&1
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// RUN: %env_asan_opts=strict_string_checks=true not %run %t test3 2>&1 | FileCheck %s --check-prefix=CHECK3
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#include <assert.h>
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#include <stdlib.h>
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#include <string.h>
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void test1(char *array) {
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// Last symbol is non-digit
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memset(array, '1', 10);
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array[9] = 'a';
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long r = atol(array);
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assert(r == 111111111);
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}
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void test2(char *array) {
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// Single non-digit symbol
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array[9] = 'a';
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long r = atol(array + 9);
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assert(r == 0);
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}
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void test3(char *array) {
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// Incorrect number format
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memset(array, ' ', 10);
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array[9] = '-';
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array[8] = '-';
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long r = atol(array);
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assert(r == 0);
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}
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int main(int argc, char **argv) {
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char *array = (char*)malloc(10);
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if (argc != 2) return 1;
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if (!strcmp(argv[1], "test1")) test1(array);
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// CHECK1: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}}
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// CHECK1: READ of size 11
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if (!strcmp(argv[1], "test2")) test2(array);
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// CHECK2: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}}
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// CHECK2: READ of size 2
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if (!strcmp(argv[1], "test3")) test3(array);
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// CHECK3: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}}
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// CHECK3: READ of size 11
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free(array);
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return 0;
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}
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