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vim-patch:8.2.4419: illegal memory access when using 20 highlights

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Problem:    Illegal memory access when using exactly 20 highlights.
Solution:   Add one more item in the array. (Brandon Richardson,
            closes vim/vim#9800)
a493b6506b
This commit is contained in:
Sean Dewar
2022-02-19 14:22:32 +00:00
parent 9f4401897a
commit 73cc729dbc
2 changed files with 19 additions and 4 deletions
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12
src/nvim/buffer.c
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@@ -3438,8 +3438,12 @@ int build_stl_str_hl(win_T *wp, char_u *out, size_t outlen, char_u *fmt, int use
if (stl_items == NULL) {
stl_items = xmalloc(sizeof(stl_item_t) * stl_items_len);
stl_groupitems = xmalloc(sizeof(int) * stl_items_len);
stl_hltab = xmalloc(sizeof(stl_hlrec_t) * stl_items_len);
stl_tabtab = xmalloc(sizeof(StlClickRecord) * stl_items_len);
// Allocate one more, because the last element is used to indicate the
// end of the list.
stl_hltab = xmalloc(sizeof(stl_hlrec_t) * (stl_items_len + 1));
stl_tabtab = xmalloc(sizeof(StlClickRecord) * (stl_items_len + 1));
stl_separator_locations = xmalloc(sizeof(int) * stl_items_len);
}
@@ -3514,8 +3518,8 @@ int build_stl_str_hl(win_T *wp, char_u *out, size_t outlen, char_u *fmt, int use
stl_items = xrealloc(stl_items, sizeof(stl_item_t) * new_len);
stl_groupitems = xrealloc(stl_groupitems, sizeof(int) * new_len);
stl_hltab = xrealloc(stl_hltab, sizeof(stl_hlrec_t) * new_len);
stl_tabtab = xrealloc(stl_tabtab, sizeof(StlClickRecord) * new_len);
stl_hltab = xrealloc(stl_hltab, sizeof(stl_hlrec_t) * (new_len + 1));
stl_tabtab = xrealloc(stl_tabtab, sizeof(StlClickRecord) * (new_len + 1));
stl_separator_locations =
xrealloc(stl_separator_locations, sizeof(int) * new_len);