On 4/20/2021 10:40 AM, Michael Niedermayer wrote:
On Mon, Apr 19, 2021 at 11:10:06AM -0300, James Almer wrote:
From: Andreas Rheinhardt <andreas.rheinha...@outlook.com>
Deprecated in d6fc031caf64eed921bbdef86d79d56bfc2633b0.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavcodec/decode.c | 5 +----
libavcodec/ffv1dec.c | 3 +--
libavcodec/rawdec.c | 17 +++++------------
libavfilter/drawutils.c | 2 +-
libavfilter/framepool.c | 6 ++----
libavfilter/vf_crop.c | 2 +-
libavfilter/vf_pixdesctest.c | 3 +--
libavfilter/vf_scale.c | 3 +--
libavfilter/vf_untile.c | 2 +-
libavutil/frame.c | 2 +-
libavutil/imgutils.c | 15 ++++-----------
libavutil/internal.h | 9 ---------
libavutil/pixdesc.c | 9 ++++-----
libavutil/pixdesc.h | 20 --------------------
libavutil/version.h | 3 ---
tests/ref/fate/imgutils | 10 +++++-----
16 files changed, 28 insertions(+), 83 deletions(-)
breaks:
./ffmpeg -i ticket/3933/128.jls
libswscale 5. 10.100 / 5. 10.100
libswresample 3. 10.100 / 3. 10.100
libpostproc 55. 10.100 / 55. 10.100
==30215== Invalid write of size 4
==30215== at 0x9D4457: ff_jpegls_decode_lse (jpeglsdec.c:130)
==30215== by 0xA26145: ff_mjpeg_receive_frame (mjpegdec.c:2542)
==30215== by 0x85A2B9: decode_receive_frame_internal (decode.c:527)
==30215== by 0x85A565: avcodec_send_packet (decode.c:593)
==30215== by 0x70F684: try_decode_frame (utils.c:3072)
==30215== by 0x712CF4: avformat_find_stream_info (utils.c:3923)
==30215== by 0x22D58A: open_input_file (ffmpeg_opt.c:1198)
==30215== by 0x23C0C0: open_files (ffmpeg_opt.c:3340)
==30215== by 0x23C274: ffmpeg_parse_options (ffmpeg_opt.c:3380)
==30215== by 0x25BA4E: main (ffmpeg.c:4991)
==30215== Address 0x0 is not stack'd, malloc'd or (recently) free'd
==30215==
==30215==
==30215== Process terminating with default action of signal 11 (SIGSEGV)
==30215== Access not within mapped region at address 0x0
==30215== at 0x9D4457: ff_jpegls_decode_lse (jpeglsdec.c:130)
==30215== by 0xA26145: ff_mjpeg_receive_frame (mjpegdec.c:2542)
==30215== by 0x85A2B9: decode_receive_frame_internal (decode.c:527)
==30215== by 0x85A565: avcodec_send_packet (decode.c:593)
==30215== by 0x70F684: try_decode_frame (utils.c:3072)
==30215== by 0x712CF4: avformat_find_stream_info (utils.c:3923)
==30215== by 0x22D58A: open_input_file (ffmpeg_opt.c:1198)
==30215== by 0x23C0C0: open_files (ffmpeg_opt.c:3340)
==30215== by 0x23C274: ffmpeg_parse_options (ffmpeg_opt.c:3380)
==30215== by 0x25BA4E: main (ffmpeg.c:4991)
==30215== If you believe this happened as a result of a stack
==30215== overflow in your program's main thread (unlikely but
==30215== possible), you can try to increase the size of the
==30215== main thread stack using the --main-stacksize= flag.
==30215== The main thread stack size used in this run was 8388608.
==30215==
I just sent "avcodec/mjpegdec: postpone calling ff_get_buffer() until
the SOS marker" as an attempt to work around this issue.
Better solutions are of course welcome.
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