libavformat/rtpenc_h263_rfc2190.c:118: error: Integer Overflow L2
  ([0, +oo] - 2):unsigned32 by call to `bitstream_skip`.

libavformat/rtpenc_h263_rfc2190.c:117:20: Call
115.     bitstream_init(&bc, buf, size * 8);
116.     if (bitstream_read(&bc, 22) == 0x20) { /* Picture Start Code */
117.         info.tr  = bitstream_read(&bc, 8);
                        ^
118.         bitstream_skip(&bc, 2); /* PTYPE start, H.261 disambiguation */
119.         bitstream_skip(&bc, 3); /* Split screen, document camera, freeze picture release */

libavcodec/bitstream.h:183:1: Parameter `bc->bits_left`
  181. 
  182. /* Return n bits from the buffer. n has to be in the 0-32 range. */
  183. static inline uint32_t bitstream_read(BitstreamContext *bc, unsigned n)
       ^
  184. {
  185.     if (!n)

libavformat/rtpenc_h263_rfc2190.c:118:9: Call
116.     if (bitstream_read(&bc, 22) == 0x20) { /* Picture Start Code */
117.         info.tr  = bitstream_read(&bc, 8);
118.         bitstream_skip(&bc, 2); /* PTYPE start, H.261 disambiguation */
             ^
119.         bitstream_skip(&bc, 3); /* Split screen, document camera, freeze picture release */
120.         info.src = bitstream_read(&bc, 3);

libavcodec/bitstream.h:241:1: Parameter `n`
  239. 
  240. /* Skip n bits in the buffer. */
  241. static inline void bitstream_skip(BitstreamContext *bc, unsigned n)
       ^
  242. {
  243.     if (n <= bc->bits_left)

libavcodec/bitstream.h:244:9: Call
  242. {
  243.     if (n <= bc->bits_left)
  244.         skip_remaining(bc, n);
               ^
  245.     else {
  246.         n -= bc->bits_left;

libavcodec/bitstream.h:230:1: <LHS trace>
228. }
229. 
230. static inline void skip_remaining(BitstreamContext *bc, unsigned n)
     ^
231. {
232. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:230:1: Parameter `bc->bits_left`
    228. }
    229. 
    230. static inline void skip_remaining(BitstreamContext *bc, unsigned n)
         ^
    231. {
    232. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:230:1: <RHS trace>
228. }
229. 
230. static inline void skip_remaining(BitstreamContext *bc, unsigned n)
     ^
231. {
232. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:230:1: Parameter `n`
    228. }
    229. 
    230. static inline void skip_remaining(BitstreamContext *bc, unsigned n)
         ^
    231. {
    232. #ifdef BITSTREAM_READER_LE

libavcodec/bitstream.h:237:5: Binary operation: ([0, +oo] - 2):unsigned32 by call to `bitstream_skip` 
    235.     bc->bits <<= n;
    236. #endif
    237.     bc->bits_left -= n;
             ^
    238. }
    239. 
