File: realloc_too_big.c

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llvm-toolchain-20 1%3A20.1.8-1~exp1
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// RUN: %clang_lsan %s -o %t
// RUN: %env_lsan_opts=allocator_may_return_null=1:max_allocation_size_mb=16:use_stacks=0 not %run %t 2>&1 | FileCheck %s

/// Fails when only leak sanitizer is enabled
// UNSUPPORTED: arm-linux, armhf-linux

#include <assert.h>
#include <stdio.h>
#include <stdlib.h>

// CHECK: {{.*}}Sanitizer failed to allocate 0x1000001 bytes

// CHECK: {{.*}}Sanitizer: detected memory leaks
// CHECK: {{.*}}Sanitizer: 9 byte(s) leaked in 1 allocation(s).

int main() {
  char *p = malloc(9);
  fprintf(stderr, "nine: %p\n", p);
  assert(realloc(p, 0x1000001) == NULL); // 16MiB+1
  p = 0;
}