libavformat/mov.c:283: error: Integer Overflow L2
  ([1, +oo] - [0, 27]):unsigned16.

libavformat/mov.c:263:26: <LHS trace>
261. 
262.             volume_len = get_byte(pb);
263.             volume_len = FFMIN(volume_len, 27);
                              ^
264.             get_buffer(pb, volume, 27);
265.             volume[volume_len] = 0;

libavformat/mov.c:263:26: Assignment
261. 
262.             volume_len = get_byte(pb);
263.             volume_len = FFMIN(volume_len, 27);
                              ^
264.             get_buffer(pb, volume, 27);
265.             volume[volume_len] = 0;

libavformat/mov.c:263:13: Assignment
261. 
262.             volume_len = get_byte(pb);
263.             volume_len = FFMIN(volume_len, 27);
                 ^
264.             get_buffer(pb, volume, 27);
265.             volume[volume_len] = 0;

libavformat/mov.c:263:26: <RHS trace>
261. 
262.             volume_len = get_byte(pb);
263.             volume_len = FFMIN(volume_len, 27);
                              ^
264.             get_buffer(pb, volume, 27);
265.             volume[volume_len] = 0;

libavformat/mov.c:263:26: Assignment
261. 
262.             volume_len = get_byte(pb);
263.             volume_len = FFMIN(volume_len, 27);
                              ^
264.             get_buffer(pb, volume, 27);
265.             volume[volume_len] = 0;

libavformat/mov.c:263:13: Assignment
261. 
262.             volume_len = get_byte(pb);
263.             volume_len = FFMIN(volume_len, 27);
                 ^
264.             get_buffer(pb, volume, 27);
265.             volume[volume_len] = 0;

libavformat/mov.c:283:25: Binary operation: ([1, +oo] - [0, 27]):unsigned16
281.                     get_buffer(pb, dref->path, len);
282.                     if (len > volume_len && !strncmp(dref->path, volume, volume_len)) {
283.                         len -= volume_len;
                             ^
284.                         memmove(dref->path, dref->path+volume_len, len);
285.                         dref->path[len] = 0;
