mirror of
https://github.com/jedisct1/libsodium.git
synced 2024-12-20 18:45:32 -07:00
57 lines
1.1 KiB
C
57 lines
1.1 KiB
C
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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_utils3"
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#include "cmptest.h"
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#ifdef __SANITIZE_ADDRESS__
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# error This test requires address sanitizer to be off
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#endif
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static void segv_handler(int sig)
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{
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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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#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 = randombytes_uniform(100000U);
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buf = sodium_malloc(size);
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assert(buf != NULL);
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sodium_mprotect_noaccess(buf);
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sodium_mprotect_readwrite(buf);
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#ifndef __EMSCRIPTEN__
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sodium_memzero(((unsigned char *)buf) - 8, 8U);
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sodium_mprotect_readonly(buf);
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sodium_free(buf);
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printf("Underflow not caught\n");
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#endif
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return 0;
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}
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