[FFmpeg-devel] [PATCH 5/6] avformat/pva: Check for EOF before retrying in read_part_of_packet()

Michael Niedermayer michael at niedermayer.cc
Wed Jul 4 00:05:29 EEST 2018


Fixes: Infinite loop
Fixes: pva-4b1835dbc2027bf3c567005dcc78e85199240d06

Found-by: Paul Ch <paulcher at icloud.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavformat/pva.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/pva.c b/libavformat/pva.c
index 16381db905..04ae8e2800 100644
--- a/libavformat/pva.c
+++ b/libavformat/pva.c
@@ -134,6 +134,10 @@ recover:
             pes_flags              = avio_rb16(pb);
             pes_header_data_length = avio_r8(pb);
 
+            if (avio_feof(pb)) {
+                return AVERROR_EOF;
+            }
+
             if (pes_signal != 1 || pes_header_data_length == 0) {
                 pva_log(s, AV_LOG_WARNING, "expected non empty signaled PES packet, "
                                           "trying to recover\n");
-- 
2.18.0



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