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Code Issues Releases Activity

Avoid crashes when setting the cursor

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* src/xdisp.c (display_and_set_cursor): Don't index glyphs of a
glyph row if hpos is out of valid bounds.  This avoids crashes in
some rare cases.  (Bug#24614)
This commit is contained in:
Eli Zaretskii 2016-10-04 22:12:08 +03:00
parent f2144eef19
commit 01669ad9a6
1 changed files with 1 additions and 2 deletions
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src/xdisp.c
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@ -28486,8 +28486,7 @@ display_and_set_cursor (struct window *w, bool on,
}
glyph = NULL;
if (!glyph_row->exact_window_width_line_p
|| (0 <= hpos && hpos < glyph_row->used[TEXT_AREA]))
if (0 <= hpos && hpos < glyph_row->used[TEXT_AREA])
glyph = glyph_row->glyphs[TEXT_AREA] + hpos;
eassert (input_blocked_p ());