File: ignorelist.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,696 kB
  • sloc: cpp: 7,438,781; ansic: 1,393,871; asm: 1,012,926; python: 241,771; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 8,596; ml: 5,082; perl: 4,730; makefile: 3,591; awk: 3,523; javascript: 2,251; xml: 892; fortran: 672
file content (38 lines) | stat: -rw-r--r-- 1,328 bytes parent folder | download | duplicates (20)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// Test the ignorelist functionality of ASan

// RUN: echo "fun:*brokenFunction*" > %tmp
// RUN: echo "global:*badGlobal*" >> %tmp
// RUN: echo "src:*ignorelist-extra.cpp" >> %tmp
// RUN: %clangxx_asan -fsanitize-ignorelist=%tmp -O0 %s -o %t \
// RUN: %p/Helpers/ignorelist-extra.cpp && %run %t 2>&1
// RUN: %clangxx_asan -fsanitize-ignorelist=%tmp -O1 %s -o %t \
// RUN: %p/Helpers/ignorelist-extra.cpp && %run %t 2>&1
// RUN: %clangxx_asan -fsanitize-ignorelist=%tmp -O2 %s -o %t \
// RUN: %p/Helpers/ignorelist-extra.cpp && %run %t 2>&1
// RUN: %clangxx_asan -fsanitize-ignorelist=%tmp -O3 %s -o %t \
// RUN: %p/Helpers/ignorelist-extra.cpp && %run %t 2>&1

// badGlobal is accessed improperly, but we ignorelisted it. Align
// it to make sure memory past the end of badGlobal will be in
// the same page.
__attribute__((aligned(16))) int badGlobal;
int readBadGlobal() {
  return (&badGlobal)[1];
}

// A function which is broken, but excluded in the ignorelist.
int brokenFunction(int argc) {
  char x[10] = {0};
  return x[argc * 10];  // BOOM
}

// This function is defined in Helpers/ignorelist-extra.cpp, a source file which
// is ignorelisted by name
int externalBrokenFunction(int x);

int main(int argc, char **argv) {
  brokenFunction(argc);
  int x = readBadGlobal();
  externalBrokenFunction(argc);
  return 0;
}