diff options
Diffstat (limited to 'executor/executor.cc')
| -rw-r--r-- | executor/executor.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/executor/executor.cc b/executor/executor.cc index 53c52efc3..9adcf7835 100644 --- a/executor/executor.cc +++ b/executor/executor.cc @@ -748,6 +748,13 @@ static uint32* output_base_address() // See the comment in input_base_address(); return 0; } + if (output_data != NULL) { + // If output_data was already mapped, use the old base address + // since we could be extending the area from a different pid: + // realloc_output_data() may be called from a fork, which would cause + // input_base_address() to return a different address. + return (uint32*)output_data; + } // Leave some unmmapped area after the input data. return input_base_address() + kMaxInput + SYZ_PAGE_SIZE; } |