libavformat/mov.c:275: error: Integer Overflow L2
  ([-oo, -1+max(9223372036854775807, `atom.size`)] + 8):signed64.

libavformat/mov.c:254:1: <LHS trace>
252. }
253. 
254. static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     ^
255. {
256.     int64_t total_size = 0;

libavformat/mov.c:254:1: Parameter `atom.size`
252. }
253. 
254. static int mov_read_default(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     ^
255. {
256.     int64_t total_size = 0;

libavformat/mov.c:272:9: Assignment
270.         av_dlog(c->fc, "type: %08x '%.4s' parent:'%.4s' sz: %"PRId64" %"PRId64" %"PRId64"\n",
271.                 a.type, (char*)&a.type, (char*)&atom.type, a.size, total_size, atom.size);
272.         total_size += 8;
             ^
273.         if (a.size == 1) { /* 64 bit extended size */
274.             a.size = get_be64(pb) - 8;

libavformat/mov.c:275:13: Binary operation: ([-oo, -1+max(9223372036854775807, atom.size)] + 8):signed64
273.         if (a.size == 1) { /* 64 bit extended size */
274.             a.size = get_be64(pb) - 8;
275.             total_size += 8;
                 ^
276.         }
277.         if (a.size == 0) {
