| From 62d2e5626b88e5abadffadf1d9a9a4471dd8fa41 Mon Sep 17 00:00:00 2001 |
| From: Marcin Wojtas <mw@semihalf.com> |
| Date: Thu, 8 Jul 2021 22:09:16 +0000 |
| Subject: [PATCH] Fix uninitialized buffer allocation in file_prepare_stream() |
| |
| The buffer allocated via gs_alloc_bytes() in file_prepare_stream() |
| remained uninitialized. Zero entire allocated heap memory, |
| in order to fix that. |
| --- |
| base/sfxcommon.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| diff --git a/base/sfxcommon.c b/base/sfxcommon.c |
| index e506bd64f..9b707efd0 100644 |
| --- a/base/sfxcommon.c |
| +++ b/base/sfxcommon.c |
| @@ -201,6 +201,7 @@ file_prepare_stream(const char *fname, uint len, const char *file_access, |
| gs_free_object(mem, s, "file_prepare_stream"); |
| return_error(gs_error_VMerror); |
| } |
| + memset(buffer, 0, buffer_size); |
| if (fname != 0) { |
| memcpy(buffer, fname, len); |
| buffer[len] = 0; /* terminate string */ |
| -- |
| 2.32.0.93.g670b81a890-goog |
| |
