[PATCH] fix buffer overflow in udev_util_replace_whitespace()

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Hi,

untested, ...

Florian

diff --git a/libudev/libudev-util.c b/libudev/libudev-util.c
index 9a141db..a2aef84 100644
--- a/libudev/libudev-util.c
+++ b/libudev/libudev-util.c
@@ -355,7 +355,7 @@ int udev_util_replace_whitespace(const char *str, char *to, size_t len)
 	size_t i, j;
 
 	/* strip trailing whitespace */
-	len = strnlen(str, len);
+	len = strnlen(str, len-1);
 	while (len && isspace(str[len-1]))
 		len--;
 
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