#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 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 = 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; } |