overflow in netbsd-meminfo.c

Tracy Di Marco White gendalia at iastate.edu
Thu Nov 13 04:51:41 CET 2008


Hobbit client 4.2.0 shows things like this on machines I have
with 4GB of RAM:
   Memory              Used       Total  Percentage
 Physical     4294963639M 4294966523M          0%
 Swap                  0M       4098M          0%

With this patch it's better:
--- client/netbsd-meminfo.c.orig	2008-11-12 19:25:30.000000000 -0600
+++ client/netbsd-meminfo.c
@@ -22,7 +22,7 @@ static char rcsid[] = "$Id: netbsd-memin
 int main(int argc, char *argv[])
 {
 	int hw_physmem[] = { CTL_HW, HW_PHYSMEM };
-	int physmem;
+	unsigned long physmem;
 
 	int hw_pagesize[] = { CTL_HW, HW_PAGESIZE };
 	int pagesize;

Tracy J. Di Marco White
Information Technology Services
Iowa State University



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