diff mbox series

[FFmpeg-devel,1/4] avcodec/vp9_raw_reorder_bsf: Check for existence of data before reading it

Message ID AS1PR01MB95640FD35186A40F062423148F179@AS1PR01MB9564.eurprd01.prod.exchangelabs.com
State Accepted
Commit ab25b6aee6295b6fb77c076c85c89df9f2af08e7
Headers show
Series [FFmpeg-devel,1/4] avcodec/vp9_raw_reorder_bsf: Check for existence of data before reading it | expand

Checks

Context Check Description
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Andreas Rheinhardt March 22, 2022, 11:07 p.m. UTC 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
@michaelni: Please tell me the exact fuzzer issue id.

 libavcodec/vp9_raw_reorder_bsf.c | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/libavcodec/vp9_raw_reorder_bsf.c b/libavcodec/vp9_raw_reorder_bsf.c
index 6562399159..1608360fe1 100644
--- a/libavcodec/vp9_raw_reorder_bsf.c
+++ b/libavcodec/vp9_raw_reorder_bsf.c
@@ -292,6 +292,11 @@  static int vp9_raw_reorder_filter(AVBSFContext *bsf, AVPacket *out)
             return err;
         }
 
+        if (!in->size) {
+            av_packet_free(&in);
+            return AVERROR_INVALIDDATA;
+        }
+
         if ((in->data[in->size - 1] & 0xe0) == 0xc0) {
             av_log(bsf, AV_LOG_ERROR, "Input in superframes is not "
                    "supported.\n");