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[PATCH] text_display_line: Fix overflow while colorizing region
From: |
Jean-Philippe Menil |
Subject: |
[PATCH] text_display_line: Fix overflow while colorizing region |
Date: |
Sat, 5 Dec 2020 09:51:14 +0100 |
This happens while searching text.
Core was generated by `./qe /home/jenfi/Downloads/74-83-c2-4d-75-de.json'.
Program terminated with signal SIGSEGV, Segmentation fault.
4417 sbuf[i] = s->region_style;
(gdb) bt
(gdb) p start_char
$1 = 17907
(gdb) p i
$2 = <optimized out>
(gdb) p end_char
$3 = 17911
Signed-off-by: Jean-Philippe Menil <jpmenil@gmail.com>
---
qe.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/qe.c b/qe.c
index d28f9b8a36d5..98ba98fa77cf 100644
--- a/qe.c
+++ b/qe.c
@@ -4413,7 +4413,7 @@ int text_display_line(EditState *s, DisplayState *ds, int
offset)
else
eb_get_pos(s->b, &line, &end_char, end_offset);
- for (i = start_char; i < end_char; i++) {
+ for (i = start_char; i < end_char && i < colored_nb_chars;
i++) {
sbuf[i] = s->region_style;
}
}
--
2.29.2
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