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 -c 'ERROR: AddressSanitizer: stack-buffer-overflow' %t1.log) -eq 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: %env_asan_opts=halt_on_error=false:suppress_equal_pcs=false %run %t > %t2.log 2>&1 17 // RUN: [ $(grep -c 'ERROR: AddressSanitizer: stack-buffer-overflow' %t2.log) -eq 30 ] 18 19 #define ACCESS_ARRAY_FIVE_ELEMENTS(array, i) \ 20 array[i] = i; \ 21 array[i + 1] = i + 1; \ 22 array[i + 2] = i + 2; \ 23 array[i + 3] = i + 3; \ 24 array[i + 4] = i + 4; \ 25 26 volatile int ten = 10; 27 unsigned kNumIterations = 10; 28 29 int main(int argc, char **argv) { 30 char a[10]; 31 char b[10]; 32 33 if (argc == 1) { 34 for (int i = 0; i < kNumIterations; ++i) { 35 // CHECK: READ of size 1 36 volatile int res = a[ten + i]; 37 // CHECK: WRITE of size 1 38 a[i + ten] = res + 3; 39 // CHECK: READ of size 1 40 res = a[ten + i]; 41 // CHECK-NOT: ERROR 42 } 43 } else { 44 for (int i = 0; i < kNumIterations; ++i) { 45 ACCESS_ARRAY_FIVE_ELEMENTS(a, ten); 46 ACCESS_ARRAY_FIVE_ELEMENTS(a, ten + 5); 47 ACCESS_ARRAY_FIVE_ELEMENTS(a, ten + 10); 48 ACCESS_ARRAY_FIVE_ELEMENTS(b, ten); 49 ACCESS_ARRAY_FIVE_ELEMENTS(b, ten + 5); 50 ACCESS_ARRAY_FIVE_ELEMENTS(b, ten + 10); 51 } 52 } 53 return 0; 54 } 55 56
