diff -Naur psmisc-22.20.orig/src/fuser.c psmisc-22.20/src/fuser.c

--- psmisc-22.20.orig/src/fuser.c	2012-09-19 12:54:03.000000000 +0200

+++ psmisc-22.20/src/fuser.c	2015-07-31 19:55:14.000000000 +0200

@@ -1900,7 +1900,7 @@

 static void init_mntinfo(void)

 {

-	char mpoint[PATH_MAX + 1];

+	char mpoint[PATH_MAX*4 + 1]; // octal escaping takes 4 chars per 1 char

 	int mid, parid, max = 0;

 	uint maj, min;

 	list_t sort;