//bugs.freedesktop.org/show_bug.cgi?id=1818) attachment #1286XORG-6_8_2XORG-6_8_1_904XORG-6_8_1_903XORG-6_8_1_902XORG-6_8_1_901XORG-6_8-branch

    (https://bugs.freedesktop.org/attachment.cgi?id=1286): Fixing
    off-by-one allocation error. Patch by Kristian Høgsberg
    <krh@bitplanet.net>.

1 files changed, 6 insertions, 2 deletions

diff --git a/pf.c b/pf.c
index 2cacbdc..ae84403 100644
--- a/pf.c
+++ b/pf.c
@@ -87,8 +87,12 @@ void process_line (buffer)
     int i;
     char *cp;
 
-    len = strlen (buffer);
-
+    /* copy buffer since it may point to unwritable date */
+    len = strlen(buffer);
+    cp = chk_malloc(len + 1);
+    strcpy(cp, buffer);
+    buffer = cp;
+    
     for (i = 0; i < len; i++) {		/* look for blank lines */
 	register char c = buffer[i];
 	if (!(isspace(c) || c == '\n')) break;