mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2025-12-13 10:30:05 +01:00
5d0dfdadb0
This fixes mixing up contexts, use of uninitialized data and crashes.
More specifically:
==1001752== Conditional jump or move depends on uninitialised value(s)
==1001752== at 0xA9ED82: avpriv_h264_has_num_reorder_frames (h264dec.c:64)
==1001752== by 0x668C7E: has_decode_delay_been_guessed (demux.c:757)
==1001752== by 0x66AB13: compute_pkt_fields (demux.c:1137)
==1001752== by 0x66B2E9: parse_packet (demux.c:1265)
==1001752== by 0x66BD84: read_frame_internal (demux.c:1449)
==1001752== by 0x67085B: avformat_find_stream_info (demux.c:2692)
==1001752== by 0x25157C: ifile_open (ffmpeg_demux.c:1814)
==1001752== by 0x272B15: open_files (ffmpeg_opt.c:1366)
==1001752== by 0x272D85: ffmpeg_parse_options (ffmpeg_opt.c:1415)
==1001752== by 0x2925C9: main (ffmpeg.c:991)
==1001752== Uninitialised value was created by a heap allocation
==1001752== at 0x483E0F0: memalign (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==1001752== by 0x483E212: posix_memalign (in /usr/lib/x86_64-linux-gnu/valgrind/vgpreload_memcheck-amd64-linux.so)
==1001752== by 0x14882CE: av_malloc (mem.c:107)
==1001752== by 0x1463785: av_buffer_alloc (buffer.c:82)
==1001752== by 0x146423F: pool_alloc_buffer (buffer.c:369)
==1001752== by 0x14643C4: av_buffer_pool_get (buffer.c:407)
==1001752== by 0x752C4B: buffer_pool_get (mpegts.c:1142)
==1001752== by 0x7538F2: mpegts_push_data (mpegts.c:1407)
==1001752== by 0x758893: handle_packet (mpegts.c:2909)
==1001752== by 0x758E90: handle_packets (mpegts.c:3048)
==1001752== by 0x759B1D: mpegts_read_packet (mpegts.c:3290)
==1001752== by 0x6687A3: ff_read_packet (demux.c:649)
==1001752== by 0x66B594: read_frame_internal (demux.c:1346)
==1001752== by 0x67085B: avformat_find_stream_info (demux.c:2692)
==1001752== by 0x25157C: ifile_open (ffmpeg_demux.c:1814)
==1001752== by 0x272B15: open_files (ffmpeg_opt.c:1366)
==1001752== by 0x272D85: ffmpeg_parse_options (ffmpeg_opt.c:1415)
==1001752== by 0x2925C9: main (ffmpeg.c:991)
Found-by: Alexander A. Shvedov <shvedov@gmx.com>
CC: Pavel Koshevoy <pkoshevoy@gmail.com>
This reverts commit 0021484d05.