From 47af5b2365a306532d1e0b786f0d7f9754f914cd Mon Sep 17 00:00:00 2001

From: Peter Pentchev <roam@debian.org>

Date: Mon, 1 Jun 2020 10:25:34 +0300

Subject: [PATCH] Fix a memory leak on invalid input.

---

 src/drpm_decompstrm.c | 6 +++---

 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/drpm_decompstrm.c b/src/drpm_decompstrm.c

index d885dcf..ec3115e 100644

--- a/src/drpm_decompstrm.c

+++ b/src/drpm_decompstrm.c

@@ -746,14 +746,14 @@ int readchunk_zstd(struct decompstrm *strm)

             return DRPM_ERR_IO;

     }

+    if (in_len == 0)

+        return DRPM_ERR_FORMAT;

+

     size_t const buffOutSize = ZSTD_DStreamOutSize();

     void* const buffOut = malloc(buffOutSize);

     if (buffOut == NULL)

         return DRPM_ERR_MEMORY;

-    if (in_len == 0)

-        return DRPM_ERR_FORMAT;

-

     ZSTD_inBuffer input = { in_buffer, in_len, 0 };

     while (input.pos < input.size) {