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| author | reimar <reimar@b3059339-0415-0410-9bf9-f77b7e298cf2> | 2010-12-12 11:45:47 +0000 |
|---|---|---|
| committer | Uoti Urpala <uau@glyph.nonexistent.invalid> | 2010-12-16 06:22:19 +0200 |
| commit | eb5765e96a70b19ff75f9ee18c988346b4fc48c1 (patch) | |
| tree | 8d014d066438fe19058b183ee215c38e2a0eabea | |
| parent | 7ed3291a4fc98fa0cb8a2d3ad777ffc317ba0c21 (diff) | |
| download | mpv-eb5765e96a70b19ff75f9ee18c988346b4fc48c1.tar.bz2 mpv-eb5765e96a70b19ff75f9ee18c988346b4fc48c1.tar.xz | |
stream.h: check against huge negative values in stream_seek()
Add validity check for stream_seek argument to avoid a integer
overflow for huge negative values that would break the internal state
of the stream buffer.
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@32702 b3059339-0415-0410-9bf9-f77b7e298cf2
| -rw-r--r-- | stream/stream.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/stream/stream.h b/stream/stream.h index 021296b247..cad61d3256 100644 --- a/stream/stream.h +++ b/stream/stream.h @@ -295,6 +295,10 @@ inline static int stream_seek(stream_t *s,off_t pos){ mp_dbg(MSGT_DEMUX, MSGL_DBG3, "seek to 0x%qX\n",(long long)pos); + if (pos < 0) { + mp_msg(MSGT_DEMUX, MSGL_ERR, "Invalid seek to negative position!\n"); + pos = 0; + } if(pos<s->pos){ off_t x=pos-(s->pos-s->buf_len); if(x>=0){ |