53 lines
935 B
C
53 lines
935 B
C
|
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
#include <limits.h>
|
||
|
|
#include <signal.h>
|
||
|
|
|
||
|
|
#define TEST_NAME "sodium_utils3"
|
||
|
|
#include "cmptest.h"
|
||
|
|
|
||
|
|
static void
|
||
|
|
segv_handler(int sig)
|
||
|
|
{
|
||
|
|
printf("Intentional segfault / bus error caught\n");
|
||
|
|
printf("OK\n");
|
||
|
|
#ifdef SIGSEGV
|
||
|
|
signal(SIGSEGV, SIG_DFL);
|
||
|
|
#endif
|
||
|
|
#ifdef SIGBUS
|
||
|
|
signal(SIGBUS, SIG_DFL);
|
||
|
|
#endif
|
||
|
|
#ifdef SIGABRT
|
||
|
|
signal(SIGABRT, SIG_DFL);
|
||
|
|
#endif
|
||
|
|
exit(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
main(void)
|
||
|
|
{
|
||
|
|
void *buf;
|
||
|
|
size_t size;
|
||
|
|
|
||
|
|
#ifdef SIGSEGV
|
||
|
|
signal(SIGSEGV, segv_handler);
|
||
|
|
#endif
|
||
|
|
#ifdef SIGBUS
|
||
|
|
signal(SIGBUS, segv_handler);
|
||
|
|
#endif
|
||
|
|
#ifdef SIGABRT
|
||
|
|
signal(SIGABRT, segv_handler);
|
||
|
|
#endif
|
||
|
|
size = randombytes_uniform(100000U);
|
||
|
|
buf = sodium_malloc(size);
|
||
|
|
sodium_mprotect_noaccess(buf);
|
||
|
|
sodium_mprotect_readwrite(buf);
|
||
|
|
sodium_memzero(((unsigned char *) buf) - 8, 8U);
|
||
|
|
sodium_mprotect_readonly(buf);
|
||
|
|
sodium_free(buf);
|
||
|
|
printf("Underflow not caught\n");
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|