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avformat/subfile: Assert that whence is a known case

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This may help CID1452449 Uninitialized scalar variable

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 426d8c84c37064eef93bbcfaffd886d00a9a4ee8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2024-06-08 20:46:28 +02:00
parent 68973a0e6c
commit 2da89fbfb3
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1 changed files with 2 additions and 0 deletions
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libavformat/subfile.c
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@ -137,6 +137,8 @@ static int64_t subfile_seek(URLContext *h, int64_t pos, int whence)
case SEEK_END:
new_pos = end + c->pos;
break;
default:
av_assert0(0);
}
if (new_pos < c->start)
return AVERROR(EINVAL);