Viewing file:  sodium_utils3.c (1.41 KB) -rw-r--r--
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#include <stdlib.h>
#include <sys/types.h>
#include <limits.h>
#include <signal.h>
#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 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 SIG_DFL
# 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;
}
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