2aa703fcc7
If aligned memory cannot be obtained, allocate 1 byte to always return a non-NULL pointer.
90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
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#include <stdlib.h>
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#include <sys/types.h>
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#include <limits.h>
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#include <signal.h>
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#define TEST_NAME "sodium_utils2"
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#include "cmptest.h"
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#ifdef __SANITIZE_ADDRESS__
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# warning The sodium_utils2 test is expected to fail with address sanitizer
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#endif
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static void segv_handler(int sig)
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{
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(void) sig;
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printf("Intentional segfault / bus error caught\n");
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printf("OK\n");
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#ifdef SIGSEGV
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signal(SIGSEGV, SIG_DFL);
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#endif
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#ifdef SIGBUS
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signal(SIGBUS, SIG_DFL);
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#endif
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#ifdef SIGABRT
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signal(SIGABRT, SIG_DFL);
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#endif
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exit(0);
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}
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int main(void)
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{
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void *buf;
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size_t size;
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unsigned int i;
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if (sodium_malloc(SIZE_MAX - 1U) != NULL) {
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return 1;
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}
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if (sodium_malloc(0U) == NULL) {
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return 1;
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}
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if (sodium_allocarray(SIZE_MAX / 2U + 1U, SIZE_MAX / 2U) != NULL) {
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return 1;
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}
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sodium_free(sodium_allocarray(0U, 0U));
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sodium_free(sodium_allocarray(0U, 1U));
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sodium_free(sodium_allocarray(1U, 0U));
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buf = sodium_allocarray(1000U, 50U);
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memset(buf, 0, 50000U);
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sodium_free(buf);
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sodium_free(sodium_malloc(0U));
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sodium_free(NULL);
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for (i = 0U; i < 10000U; i++) {
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size = 1U + randombytes_uniform(100000U);
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buf = sodium_malloc(size);
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assert(buf != NULL);
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memset(buf, i, size);
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sodium_mprotect_noaccess(buf);
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sodium_free(buf);
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}
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printf("OK\n");
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#ifdef SIGSEGV
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signal(SIGSEGV, segv_handler);
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#endif
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#ifdef SIGBUS
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signal(SIGBUS, segv_handler);
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#endif
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#ifdef SIGABRT
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signal(SIGABRT, segv_handler);
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#endif
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size = 1U + randombytes_uniform(100000U);
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buf = sodium_malloc(size);
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assert(buf != NULL);
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sodium_mprotect_readonly(buf);
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sodium_mprotect_readwrite(buf);
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#ifndef __EMSCRIPTEN__
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sodium_memzero(((unsigned char *)buf) + size, 1U);
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sodium_mprotect_noaccess(buf);
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sodium_free(buf);
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printf("Overflow not caught\n");
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#endif
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return 0;
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}
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