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// RUN: %clangxx_hwasan -O0 %s -o %t
// RUN: %env_hwasan_opts=allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s
// RUN: %env_hwasan_opts=allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
// REQUIRES: stable-runtime
#include <stdio.h>
#include <stdlib.h>
#include "../utils.h"
int main() {
void *p = reinterpret_cast<void*>(42);
int res = posix_memalign(&p, 17, 100);
// CHECK: ERROR: HWAddressSanitizer: invalid alignment requested in posix_memalign: 17
// CHECK: {{#0 0x.* in .*posix_memalign}}
// CHECK: {{#1 0x.* in main .*posix_memalign-alignment.cpp:}}[[@LINE-3]]
// CHECK: SUMMARY: HWAddressSanitizer: invalid-posix-memalign-alignment
untag_printf("pointer after failed posix_memalign: %zd\n", (size_t)p);
// CHECK-NULL: pointer after failed posix_memalign: 42
return 0;
}
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