From: Michael Niedermayer <mich...@niedermayer.cc> Fixes: 1.70141e+38 is outside the range of representable values of type 'int' Fixes: 59883/clusterfuzz-testcase-minimized-ffmpeg_BSF_EVC_FRAME_MERGE_fuzzer-5557887217565696
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> Signed-off-by: James Almer <jamr...@gmail.com> --- libavcodec/evc_ps.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/libavcodec/evc_ps.c b/libavcodec/evc_ps.c index b8d7329b94..0b8cc81d49 100644 --- a/libavcodec/evc_ps.c +++ b/libavcodec/evc_ps.c @@ -229,6 +229,10 @@ int ff_evc_parse_sps(EVCParamSets *ps, const uint8_t *bs, int bs_size) if (!sps->sps_pocs_flag || !sps->sps_rpl_flag) { sps->log2_sub_gop_length = get_ue_golomb(&gb); + if (sps->log2_sub_gop_length > 5U) { + ret = AVERROR_INVALIDDATA; + goto fail; + } if (sps->log2_sub_gop_length == 0) sps->log2_ref_pic_gap_length = get_ue_golomb(&gb); } @@ -288,6 +292,9 @@ int ff_evc_parse_sps(EVCParamSets *ps, const uint8_t *bs, int bs_size) ps->sps[sps_seq_parameter_set_id] = sps; return 0; +fail: + av_free(sps); + return ret; } // @see ISO_IEC_23094-1 (7.3.2.2 SPS RBSP syntax) -- 2.41.0 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
