libavcodec/h264.c:1166: error: Null Dereference
  pointer `*to[i]` last assigned on line 1164 could be null and is dereferenced by call to `memcpy()` at line 1166, column 22.

libavcodec/h264.c:1158:1: start of procedure copy_parameter_set()
1156. }
1157. 
1158. static void copy_parameter_set(void **to, void **from, int count, int size)
      ^
1159. {
1160.     int i;

libavcodec/h264.c:1162:10: 
1160.     int i;
1161. 
1162.     for (i=0; i<count; i++){
               ^
1163.         if (to[i] && !from[i]) av_freep(&to[i]);
1164.         else if (from[i] && !to[i]) to[i] = av_malloc(size);

libavcodec/h264.c:1162:15: Loop condition is true. Entering loop body
1160.     int i;
1161. 
1162.     for (i=0; i<count; i++){
                    ^
1163.         if (to[i] && !from[i]) av_freep(&to[i]);
1164.         else if (from[i] && !to[i]) to[i] = av_malloc(size);

libavcodec/h264.c:1163:13: Taking false branch
1161. 
1162.     for (i=0; i<count; i++){
1163.         if (to[i] && !from[i]) av_freep(&to[i]);
                  ^
1164.         else if (from[i] && !to[i]) to[i] = av_malloc(size);
1165. 

libavcodec/h264.c:1164:18: Taking true branch
1162.     for (i=0; i<count; i++){
1163.         if (to[i] && !from[i]) av_freep(&to[i]);
1164.         else if (from[i] && !to[i]) to[i] = av_malloc(size);
                       ^
1165. 
1166.         if (from[i]) memcpy(to[i], from[i], size);

libavcodec/h264.c:1164:30: Taking true branch
1162.     for (i=0; i<count; i++){
1163.         if (to[i] && !from[i]) av_freep(&to[i]);
1164.         else if (from[i] && !to[i]) to[i] = av_malloc(size);
                                   ^
1165. 
1166.         if (from[i]) memcpy(to[i], from[i], size);

libavcodec/h264.c:1164:37: 
1162.     for (i=0; i<count; i++){
1163.         if (to[i] && !from[i]) av_freep(&to[i]);
1164.         else if (from[i] && !to[i]) to[i] = av_malloc(size);
                                          ^
1165. 
1166.         if (from[i]) memcpy(to[i], from[i], size);

libavutil/mem.c:64:1: start of procedure av_malloc()
  62.    linker will do it automatically. */
  63. 
  64. void *av_malloc(size_t size)
      ^
  65. {
  66.     void *ptr = NULL;

libavutil/mem.c:66:5: 
  64. void *av_malloc(size_t size)
  65. {
  66.     void *ptr = NULL;
          ^
  67. #if CONFIG_MEMALIGN_HACK
  68.     long diff;

libavutil/mem.c:72:8: Taking true branch
  70. 
  71.     /* let's disallow possible ambiguous cases */
  72.     if(size > (INT_MAX-32) )
             ^
  73.         return NULL;
  74. 

libavutil/mem.c:73:9: 
  71.     /* let's disallow possible ambiguous cases */
  72.     if(size > (INT_MAX-32) )
  73.         return NULL;
              ^
  74. 
  75. #if CONFIG_MEMALIGN_HACK

libavutil/mem.c:115:1: return from a call to av_malloc
  113. #endif
  114.     return ptr;
  115. }
       ^
  116. 
  117. void *av_realloc(void *ptr, size_t size)

libavcodec/h264.c:1166:13: Taking true branch
1164.         else if (from[i] && !to[i]) to[i] = av_malloc(size);
1165. 
1166.         if (from[i]) memcpy(to[i], from[i], size);
                  ^
1167.     }
1168. }

libavcodec/h264.c:1166:22: 
1164.         else if (from[i] && !to[i]) to[i] = av_malloc(size);
1165. 
1166.         if (from[i]) memcpy(to[i], from[i], size);
                           ^
1167.     }
1168. }
