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)30int 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