DeforaNetworks/deepstate
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truncate too-long tests with warning, rather than abort (better for fuzzers, nicer for replay)

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agroce 2019-02-19 18:17:45 +00:00
parent 80576159a9
commit 032ae5ba4e
1 changed files with 6 additions and 5 deletions
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11
src/include/deepstate/DeepState.h
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@ -483,20 +483,21 @@ static void DeepState_InitInputFromFile(const char *path) {
DeepState_Abandon("Unable to access input file");
};
size_t to_read = stat_buf.st_size;
if (stat_buf.st_size > sizeof(DeepState_Input)) {
DeepState_LogFormat(DeepState_LogInfo, "File too large; aborting");
exit(255); // Don't make AFL think this is a crash!
// DeepState_Abandon("File too large");
DeepState_LogFormat(DeepState_LogWarning, "File too large, truncating to max input size");
to_read = DeepState_InputSize;
}
/* Reset the input buffer and reset the index. */
memset((void *) DeepState_Input, 0, sizeof(DeepState_Input));
DeepState_InputIndex = 0;
size_t count = fread((void *) DeepState_Input, 1, stat_buf.st_size, fp);
size_t count = fread((void *) DeepState_Input, 1, to_read, fp);
fclose(fp);
if (count != stat_buf.st_size) {
if (count != to_read) {
/* TODO(joe): Add error log with more info. */
DeepState_Abandon("Error reading file");
}