xref: /llvm-project/compiler-rt/test/asan/TestCases/Posix/halt_on_error_suppress_equal_pcs.cpp (revision 673dc3d4a0b0fbb3b9b34ae2ecbfa522627fe582)
1 // Test reports dedupication for recovery mode.
2 //
3 // RUN: %clang_asan -fsanitize-recover=address %s -o %t
4 //
5 // Check for reports dedupication.
6 // RUN: %env_asan_opts=halt_on_error=false %run %t 2>&1 | FileCheck %s
7 //
8 // Check that we die after reaching different reports number threshold.
9 // RUN: %env_asan_opts=halt_on_error=false not %run %t 1 >%t1.log 2>&1
10 // RUN: grep 'ERROR: AddressSanitizer: stack-buffer-overflow' %t1.log | count 25
11 //
12 // Check suppress_equal_pcs=true behavior is equal to default one.
13 // RUN: %env_asan_opts=halt_on_error=false:suppress_equal_pcs=true %run %t 2>&1 | FileCheck %s
14 //
15 // Check suppress_equal_pcs=false behavior isn't equal to default one.
16 // RUN: rm -f %t2.log
17 // RUN: %env_asan_opts=halt_on_error=false:suppress_equal_pcs=false %run %t >%t2.log 2>&1
18 // RUN: grep 'ERROR: AddressSanitizer: stack-buffer-overflow' %t2.log | count 30
19 
20 #define ACCESS_ARRAY_FIVE_ELEMENTS(array, i)     \
21   array[i] = i;                                  \
22   array[i + 1] = i + 1;                          \
23   array[i + 2] = i + 2;                          \
24   array[i + 3] = i + 3;                          \
25   array[i + 4] = i + 4;                          \
26 
27 volatile int ten = 10;
28 unsigned kNumIterations = 10;
29 
main(int argc,char ** argv)30 int main(int argc, char **argv) {
31   char a[10];
32   char b[10];
33 
34   if (argc == 1) {
35     for (int i = 0; i < kNumIterations; ++i) {
36       // CHECK: READ of size 1
37       volatile int res = a[ten + i];
38       // CHECK: WRITE of size 1
39       a[i + ten] = res + 3;
40       // CHECK: READ of size 1
41       res = a[ten + i];
42       // CHECK-NOT: ERROR
43     }
44   } else {
45     for (int i = 0; i < kNumIterations; ++i) {
46       ACCESS_ARRAY_FIVE_ELEMENTS(a, ten);
47       ACCESS_ARRAY_FIVE_ELEMENTS(a, ten + 5);
48       ACCESS_ARRAY_FIVE_ELEMENTS(a, ten + 10);
49       ACCESS_ARRAY_FIVE_ELEMENTS(b, ten);
50       ACCESS_ARRAY_FIVE_ELEMENTS(b, ten + 5);
51       ACCESS_ARRAY_FIVE_ELEMENTS(b, ten + 10);
52     }
53   }
54   return 0;
55 }
56 
57