Cory McWilliams
424b9b5a2f
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4490 ed5197a5-7fde-0310-b194-c3ffbd925b24
88 lines
1.6 KiB
C
88 lines
1.6 KiB
C
|
|
#include <stdlib.h>
|
|
#include <sys/types.h>
|
|
|
|
#include <limits.h>
|
|
#ifdef HAVE_CATCHABLE_SEGV
|
|
# include <signal.h>
|
|
#endif
|
|
#ifndef _WIN32
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#define TEST_NAME "sodium_utils3"
|
|
#include "cmptest.h"
|
|
|
|
#ifdef __SANITIZE_ADDRESS__
|
|
# warning The sodium_utils3 test is expected to fail with address sanitizer
|
|
#endif
|
|
|
|
__attribute__((noreturn)) static void
|
|
segv_handler(int sig)
|
|
{
|
|
(void) sig;
|
|
|
|
printf("Intentional segfault / bus error caught\n");
|
|
printf("OK\n");
|
|
#ifdef SIG_DFL
|
|
# ifdef SIGPROT
|
|
signal(SIGPROT, SIG_DFL);
|
|
# endif
|
|
# ifdef SIGSEGV
|
|
signal(SIGSEGV, SIG_DFL);
|
|
# endif
|
|
# ifdef SIGBUS
|
|
signal(SIGBUS, SIG_DFL);
|
|
# endif
|
|
# ifdef SIGABRT
|
|
signal(SIGABRT, SIG_DFL);
|
|
# endif
|
|
#endif
|
|
_exit(0);
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
void * buf;
|
|
size_t size;
|
|
|
|
#ifdef BENCHMARKS
|
|
return 0;
|
|
#endif
|
|
|
|
#ifdef SIG_DFL
|
|
# ifdef SIGPROT
|
|
signal(SIGPROT, segv_handler);
|
|
# endif
|
|
# ifdef SIGSEGV
|
|
signal(SIGSEGV, segv_handler);
|
|
# endif
|
|
# ifdef SIGBUS
|
|
signal(SIGBUS, segv_handler);
|
|
# endif
|
|
# ifdef SIGABRT
|
|
signal(SIGABRT, segv_handler);
|
|
# endif
|
|
#endif
|
|
size = 1U + randombytes_uniform(100000U);
|
|
buf = sodium_malloc(size);
|
|
assert(buf != NULL);
|
|
|
|
/* old versions of asan emit a warning because they don't support mlock*() */
|
|
#ifndef __SANITIZE_ADDRESS__
|
|
sodium_mprotect_noaccess(buf);
|
|
sodium_mprotect_readwrite(buf);
|
|
#endif
|
|
|
|
#if defined(HAVE_CATCHABLE_SEGV) && !defined(__EMSCRIPTEN__) && !defined(__SANITIZE_ADDRESS__)
|
|
sodium_memzero(((unsigned char *) buf) - 8, 8U);
|
|
sodium_mprotect_readonly(buf);
|
|
sodium_free(buf);
|
|
printf("Underflow not caught\n");
|
|
#else
|
|
segv_handler(0);
|
|
#endif
|
|
return 0;
|
|
}
|