File: UseAfterDtor.cpp

package info (click to toggle)
swiftlang 6.2.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,856,264 kB
  • sloc: cpp: 9,995,718; ansic: 2,234,019; asm: 1,092,167; python: 313,940; objc: 82,726; f90: 80,126; lisp: 38,373; pascal: 25,580; sh: 20,378; ml: 5,058; perl: 4,751; makefile: 4,725; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (27 lines) | stat: -rw-r--r-- 483 bytes parent folder | download | duplicates (38) 
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
 
#include <cstdint>
#include <cstdio>

struct Simple {
  int x_;
  Simple() {
    x_ = 5;
  }
  ~Simple() {
    x_ += 1;
  }
};

Simple *volatile SimpleSink;

extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  if (Size < 4) return 0;
  if (Data[0] == 'F' && Data[1] == 'U' && Data[2] == 'Z' && Data[3] == 'Z') {
    {
      Simple S;
      SimpleSink = &S;
    }
    if (SimpleSink->x_) fprintf(stderr, "Failed to catch use-after-dtor\n");
  }
  return 0;
}