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* [PATCH] udev buffer overrun fix
@ 2004-02-24 19:57 Michael Buesch
  0 siblings, 0 replies; only message in thread
From: Michael Buesch @ 2004-02-24 19:57 UTC (permalink / raw)
  To: linux-hotplug

Hi,

This patch fixes a possible buffer overrun for
char filename[255] in create_node().

--- udev-add.c.orig     2004-02-24 15:24:13.000000000 +0100
+++ udev-add.c  2004-02-24 20:49:25.000000000 +0100
@@ -146,7 +146,7 @@
        int tail;
 
        strncpy(filename, udev_root, sizeof(filename));
-       strncat(filename, dev->name, sizeof(filename));
+       strncat(filename, dev->name, sizeof(filename) - strlen(udev_root) - 1);
 
        switch (dev->type) {
        case 'b':

-- 
Regards Michael Buesch  [ http://www.tuxsoft.de.vu ]



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