diff mbox series

[FFmpeg-devel,02/15] avcodec/cri: Check length

Message ID 20240705002156.1964272-2-michael@niedermayer.cc
State New
Headers show
Series [FFmpeg-devel,01/15] avcodec/xsubdec: Check parse_timecode() | expand

Checks

Context Check Description
yinshiyou/make_loongarch64 success Make finished
yinshiyou/make_fate_loongarch64 fail Make fate failed
andriy/make_x86 success Make finished
andriy/make_fate_x86 success Make fate finished

Commit Message

Michael Niedermayer July 5, 2024, 12:21 a.m. UTC 
Fixes: CID1604394 Overflowed constant

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
---
 libavcodec/cri.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/libavcodec/cri.c b/libavcodec/cri.c
index 7b9a350967a..6932bb67456 100644
--- a/libavcodec/cri.c
+++ b/libavcodec/cri.c
@@ -234,10 +234,14 @@  static int cri_decode_frame(AVCodecContext *avctx, AVFrame *p,
             s->data_size = length;
             goto skip;
         case 105:
+            if (length <= 0)
+                return AVERROR_INVALIDDATA;
             hflip = bytestream2_get_byte(gb) != 0;
             length--;
             goto skip;
         case 106:
+            if (length <= 0)
+                return AVERROR_INVALIDDATA;
             vflip = bytestream2_get_byte(gb) != 0;
             length--;
             goto skip;