reference, declaration → definition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced

    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

// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include <stdlib.h>

void __attribute__((noinline)) foo(int *mem) {
  free(mem);
}

void __attribute__((noinline)) bar(int *mem) {
  mem[0] = 42;
}

int main() {
  int *mem = (int*)malloc(100);
  foo(mem);
  bar(mem);
  return 0;
}

// CHECK: WARNING: ThreadSanitizer: heap-use-after-free
// CHECK:   Write of size 4 at {{.*}} by main thread:
// CHECK:     #0 bar
// CHECK:     #1 main
// CHECK:   Previous write of size 8 at {{.*}} by main thread:
// CHECK:     #0 free
// CHECK:     #{{1|2}} foo
// CHECK:     #{{2|3}} main