SYS-OSS/FRET-LibAFL
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Use /dev/urandom instead of /dev/null for probing valid memory (#1586)

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Dongjia "toka" Zhang 2023-10-02 06:08:29 +02:00 committed by GitHub
parent 583c84ab4e
commit b20fda2a4a
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1 changed files with 1 additions and 1 deletions
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libafl_targets/src/cmplog.c
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@ -60,7 +60,7 @@ static long area_is_valid(const void *ptr, size_t len) {
valid_len = (long)len; valid_len = (long)len;
#elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) #elif defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
if (!dymmy_initialized) { if (!dymmy_initialized) {
if ((dummy_fd[1] = open("/dev/null", O_WRONLY)) < 0) { if ((dummy_fd[1] = open("/dev/urandom", O_WRONLY)) < 0) {
if (pipe(dummy_fd) < 0) { dummy_fd[1] = 1; } if (pipe(dummy_fd) < 0) { dummy_fd[1] = 1; }
} }
dymmy_initialized = 1; dymmy_initialized = 1;