[FFmpeg-cvslog] avcodec/h2645_parse: Avoid EAGAIN

[Michael Niedermayer]

ffmpeg | branch: release/4.4 | Michael Niedermayer <michael at niedermayer.cc> | Sun Oct  1 19:28:55 2023 +0200| [652b615b6b08c94538975bfb2a61a7b1dfa9eb61] | committer: Michael Niedermayer

avcodec/h2645_parse: Avoid EAGAIN

EAGAIN causes an assertion failure when it is returned from the decoder

Fixes: Assertion consumed != (-(11)) failed at libavcodec/decode.c:462
Fixes: assertion_IOT_instruction_decode_c_462/poc

Found-by: Hardik Shah of Vehere (Dawn Treaders team)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit 5ddab49d48343385eadb3a435a5491c476b66ecc)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=652b615b6b08c94538975bfb2a61a7b1dfa9eb61
---

 libavcodec/h2645_parse.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/h2645_parse.h b/libavcodec/h2645_parse.h
index 3e47f86c53..a3157adf5d 100644
--- a/libavcodec/h2645_parse.h
+++ b/libavcodec/h2645_parse.h
@@ -122,7 +122,7 @@ static inline int get_nalsize(int nal_length_size, const uint8_t *buf,
 
     if (*buf_index >= buf_size - nal_length_size) {
         // the end of the buffer is reached, refill it
-        return AVERROR(EAGAIN);
+        return AVERROR_INVALIDDATA;
     }
 
     for (i = 0; i < nal_length_size; i++)