Patch 8.0.1467
Problem:    Libvterm doesn't handle illegal byte sequence correctly.
Solution:   After the invalid code check if there is space to store another
            character.  Allocate one more character. (zhykzhykzhyk, closes
            #2614, closes #2613)
Files:      src/libvterm/src/encoding.c, src/libvterm/src/state.c


*** ../vim-8.0.1466/src/libvterm/src/encoding.c 2017-07-24 23:05:31.164530169 
+0200
--- src/libvterm/src/encoding.c 2018-02-04 14:48:09.303922536 +0100
***************
*** 46,59 ****
        return;
  
      else if(c >= 0x20 && c < 0x7f) {
!       if(data->bytes_remaining)
          cp[(*cpi)++] = UNICODE_INVALID;
! 
        cp[(*cpi)++] = c;
  #ifdef DEBUG_PRINT_UTF8
        printf(" UTF-8 char: U+%04x\n", c);
  #endif
-       data->bytes_remaining = 0;
      }
  
      else if(c == 0x7f) /* DEL */
--- 46,61 ----
        return;
  
      else if(c >= 0x20 && c < 0x7f) {
!       if(data->bytes_remaining) {
!         data->bytes_remaining = 0;
          cp[(*cpi)++] = UNICODE_INVALID;
!       if (*cpi >= cplen)
!         break;
!       }
        cp[(*cpi)++] = c;
  #ifdef DEBUG_PRINT_UTF8
        printf(" UTF-8 char: U+%04x\n", c);
  #endif
      }
  
      else if(c == 0x7f) /* DEL */
*** ../vim-8.0.1466/src/libvterm/src/state.c    2017-09-05 23:29:29.025108125 
+0200
--- src/libvterm/src/state.c    2018-02-03 13:54:33.156129214 +0100
***************
*** 248,255 ****
  
    VTermPos oldpos = state->pos;
  
!   /* We'll have at most len codepoints */
!   codepoints = vterm_allocator_malloc(state->vt, len * sizeof(uint32_t));
  
    encoding =
      state->gsingle_set     ? &state->encoding[state->gsingle_set] :
--- 248,256 ----
  
    VTermPos oldpos = state->pos;
  
!   /* We'll have at most len codepoints, plus one from a previous incomplete
!    * sequence. */
!   codepoints = vterm_allocator_malloc(state->vt, (len + 1) * 
sizeof(uint32_t));
  
    encoding =
      state->gsingle_set     ? &state->encoding[state->gsingle_set] :
*** ../vim-8.0.1466/src/version.c       2018-02-04 14:32:51.446193935 +0100
--- src/version.c       2018-02-04 14:49:06.347541702 +0100
***************
*** 773,774 ****
--- 773,776 ----
  {   /* Add new patch number below this line */
+ /**/
+     1467,
  /**/

-- 
Just think of all the things we haven't thought of yet.

 /// Bram Moolenaar -- b...@moolenaar.net -- http://www.Moolenaar.net   \\\
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\\\  an exciting new programming language -- http://www.Zimbu.org        ///
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