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patch 8.2.4108: going over the end of the w_lines array
Problem: Going over the end of the w_lines array. Solution: Check not going over the end and limit to Rows. (issue #9540)
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@ -1815,10 +1815,11 @@ win_update(win_T *wp)
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// When topline didn't change, find first entry in w_lines[] that
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// needs updating.
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// try to find wp->w_topline in wp->w_lines[].wl_lnum
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// Try to find wp->w_topline in wp->w_lines[].wl_lnum. The check
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// for "Rows" is in case "wl_size" is incorrect somehow.
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j = -1;
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row = 0;
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for (i = 0; i < wp->w_lines_valid; i++)
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for (i = 0; i < wp->w_lines_valid && i < Rows; i++)
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{
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if (wp->w_lines[i].wl_valid
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&& wp->w_lines[i].wl_lnum == wp->w_topline)
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@ -1848,6 +1849,8 @@ win_update(win_T *wp)
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// ... but don't delete new filler lines.
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row -= wp->w_topfill;
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#endif
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if (row > Rows) // just in case
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row = Rows;
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if (row > 0)
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{
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check_for_delay(FALSE);
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@ -750,6 +750,8 @@ static char *(features[]) =
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static int included_patches[] =
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{ /* Add new patch number below this line */
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/**/
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4108,
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/**/
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4107,
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/**/
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