large_func_test.cpp
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// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
// REQUIRES: stable-runtime
#include <stdlib.h>
__attribute__((noinline))
static void LargeFunction(int *x, int zero) {
x[0]++;
x[1]++;
x[2]++;
x[3]++;
x[4]++;
x[5]++;
x[6]++;
x[7]++;
x[8]++;
x[9]++;
// CHECK: {{.*ERROR: AddressSanitizer: heap-buffer-overflow on address}}
// CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
// CHECK: {{READ of size 4 at 0x.* thread T0}}
x[zero + 103]++; // we should report this exact line
// atos incorrectly extracts the symbol name for the static functions on
// Darwin.
// CHECK-Linux: {{#0 0x.* in LargeFunction.*large_func_test.cpp:}}[[@LINE-3]]
// CHECK-Darwin: {{#0 0x.* in .*LargeFunction.*large_func_test.cpp}}:[[@LINE-4]]
x[10]++;
x[11]++;
x[12]++;
x[13]++;
x[14]++;
x[15]++;
x[16]++;
x[17]++;
x[18]++;
x[19]++;
}
int main(int argc, char **argv) {
int *x = new int[100];
LargeFunction(x, argc - 1);
// CHECK: {{ #1 0x.* in main .*large_func_test.cpp:}}[[@LINE-1]]
// CHECK: {{0x.* is located 12 bytes to the right of 400-byte region}}
// CHECK: {{allocated by thread T0 here:}}
// CHECK-Linux: {{ #0 0x.* in operator new.*}}
// CHECK-Darwin: {{ #0 0x.* in .*_Zna.*}}
// CHECK: {{ #1 0x.* in main .*large_func_test.cpp:}}[[@LINE-7]]
delete[] x;
}