On Wed, Mar 23, 2022 at 04:57:16PM +0100, Anton Khirnov wrote: > It is not used in the encoder. > --- > libavcodec/snow.c | 19 +++++++++++-------- > 1 file changed, 11 insertions(+), 8 deletions(-)
this is segfaulting with some fuzzed file ==30657== Invalid read of size 8 ==30657== at 0x1157660: ??? (libavcodec/x86/videodsp.asm:340) ==30657== by 0xE18591: emulated_edge_mc_avx2 (videodsp_init.c:268) ==30657== by 0x10D8973: ff_snow_pred_block (snow.c:370) ==30657== by 0xC0E7DA: add_yblock (snow.h:345) ==30657== by 0xC0FE62: predict_slice_buffered (snowdec.c:78) ==30657== by 0xC12CAD: decode_frame (snowdec.c:602) ==30657== by 0x8BF99F: decode_simple_internal (decode.c:306) ==30657== by 0x8C0650: decode_simple_receive_frame (decode.c:514) ==30657== by 0x8C0756: decode_receive_frame_internal (decode.c:535) ==30657== by 0x8C0A17: avcodec_send_packet (decode.c:603) ==30657== by 0x25D6A5: decode (ffmpeg.c:2275) ==30657== by 0x25DE2C: decode_video (ffmpeg.c:2400) ==30657== by 0x25EEBC: process_input_packet (ffmpeg.c:2640) ==30657== by 0x266A1E: process_input (ffmpeg.c:4494) ==30657== by 0x266F12: transcode_step (ffmpeg.c:4634) ==30657== by 0x26707A: transcode (ffmpeg.c:4688) ==30657== by 0x267AEF: main (ffmpeg.c:4904) ==30657== Address 0x0 is not stack'd, malloc'd or (recently) free'd [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Elect your leaders based on what they did after the last election, not based on what they say before an election.
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