RPCS3/llvm
1
0
Fork 0
mirror of https://github.com/RPCS3/llvm.git synced 2025-01-27 05:32:22 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Libfuzzer: do not pass null into user function

Browse Source 
Differential Revision: http://reviews.llvm.org/D15098

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254558 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mike Aizatsky 2015-12-02 22:43:53 +00:00
parent de603060b9
commit ba2d199d49
2 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
lib/Fuzzer/FuzzerLoop.cpp
View File

@ -238,7 +238,11 @@ void Fuzzer::RunOneAndUpdateCorpus(Unit &U) {
}
void Fuzzer::ExecuteCallback(const Unit &U) {
int Res = USF.TargetFunction(U.data(), U.size());
const uint8_t *Data = U.data();
uint8_t EmptyData;
if (!Data)
Data = &EmptyData;
int Res = USF.TargetFunction(Data, U.size());
(void)Res;
assert(Res == 0);
}

2
lib/Fuzzer/test/SimpleTest.cpp
View File

@ -1,4 +1,5 @@
// Simple test for a fuzzer. The fuzzer must find the string "Hi!".
#include <assert.h>
#include <cstdint>
#include <cstdlib>
#include <cstddef>
@ -7,6 +8,7 @@
static volatile int Sink;
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
assert(Data);
if (Size > 0 && Data[0] == 'H') {
Sink = 1;
if (Size > 1 && Data[1] == 'i') {