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>
---
 libavcodec/evc_parse.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavcodec/evc_parse.c b/libavcodec/evc_parse.c
index 44be5c5291..822b236423 100644
--- a/libavcodec/evc_parse.c
+++ b/libavcodec/evc_parse.c
@@ -277,6 +277,8 @@ EVCParserSPS *ff_evc_parse_sps(EVCParserContext *ctx, const 
uint8_t *bs, int bs_
 
     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)
+            return NULL;
         if (sps->log2_sub_gop_length == 0)
             sps->log2_ref_pic_gap_length = get_ue_golomb(&gb);
     }
-- 
2.17.1

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