1// Test the blacklist functionality of ASan
2
3// RUN: echo "fun:*brokenFunction*" > %tmp
4// RUN: echo "global:*badGlobal*" >> %tmp
5// RUN: echo "src:*blacklist-extra.cc" >> %tmp
6// RUN: %clangxx_asan -mllvm -asan-blacklist=%tmp -m64 -O0 %s -o %t \
7// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1
8// RUN: %clangxx_asan -mllvm -asan-blacklist=%tmp -m64 -O1 %s -o %t \
9// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1
10// RUN: %clangxx_asan -mllvm -asan-blacklist=%tmp -m64 -O2 %s -o %t \
11// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1
12// RUN: %clangxx_asan -mllvm -asan-blacklist=%tmp -m64 -O3 %s -o %t \
13// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1
14// RUN: %clangxx_asan -mllvm -asan-blacklist=%tmp -m32 -O0 %s -o %t \
15// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1
16// RUN: %clangxx_asan -mllvm -asan-blacklist=%tmp -m32 -O1 %s -o %t \
17// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1
18// RUN: %clangxx_asan -mllvm -asan-blacklist=%tmp -m32 -O2 %s -o %t \
19// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1
20// RUN: %clangxx_asan -mllvm -asan-blacklist=%tmp -m32 -O3 %s -o %t \
21// RUN: %p/Helpers/blacklist-extra.cc && %t 2>&1
22
23// badGlobal is accessed improperly, but we blacklisted it.
24int badGlobal;
25int readBadGlobal() {
26  return (&badGlobal)[1];
27}
28
29// A function which is broken, but excluded in the blacklist.
30int brokenFunction(int argc) {
31  char x[10] = {0};
32  return x[argc * 10];  // BOOM
33}
34
35// This function is defined in Helpers/blacklist-extra.cc, a source file which
36// is blacklisted by name
37int externalBrokenFunction(int x);
38
39int main(int argc, char **argv) {
40  brokenFunction(argc);
41  int x = readBadGlobal();
42  externalBrokenFunction(argc);
43  return 0;
44}
45