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- libedit - libedit/2.11-20080614-2 - series patch 20-fortify.patch

libedit (2.11-20080614-2) 20-fortify.patch

Summary

 libedit/vi.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
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Patch contents

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=488456

Patch by Kees Cook <kees@outflux.net>

--- a/libedit/vi.c	2006-10-22 17:48:13.000000000 +1000
+++ b/libedit/vi.c	2009-06-23 08:35:58.000000000 +1000
@@ -1012,8 +1012,12 @@ vi_histedit(EditLine *el, int c)
 	if (fd < 0)
 		return CC_ERROR;
 	cp = el->el_line.buffer;
-	write(fd, cp, el->el_line.lastchar - cp +0u);
-	write(fd, "\n", 1);
+	if (write(fd, cp, el->el_line.lastchar - cp +0u)<0 ||
+	    write(fd, "\n", 1)<0) {
+		close(fd);
+		unlink(tempfile);
+		return CC_ERROR;
+	}
 	pid = fork();
 	switch (pid) {
 	case -1:
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