Module Name: src
Committed By: maxv
Date: Thu Nov 15 14:19:23 UTC 2018
Modified Files:
src/sys/uvm: uvm_swap.c
Log Message:
Woah man, fix enormous leak.
Possible info leak: [len=1056, leaked=931]
#0 0xffffffff80bad351 in kleak_copyout
#1 0xffffffff80b2cf64 in uvm_swap_stats.part.1
#2 0xffffffff80b2d38d in uvm_swap_stats
#3 0xffffffff80b2d43c in sys_swapctl
#4 0xffffffff80259b82 in syscall
To generate a diff of this commit:
cvs rdiff -u -r1.177 -r1.178 src/sys/uvm/uvm_swap.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/uvm/uvm_swap.c
diff -u src/sys/uvm/uvm_swap.c:1.177 src/sys/uvm/uvm_swap.c:1.178
--- src/sys/uvm/uvm_swap.c:1.177 Thu Mar 15 03:21:58 2018
+++ src/sys/uvm/uvm_swap.c Thu Nov 15 14:19:23 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: uvm_swap.c,v 1.177 2018/03/15 03:21:58 christos Exp $ */
+/* $NetBSD: uvm_swap.c,v 1.178 2018/11/15 14:19:23 maxv Exp $ */
/*
* Copyright (c) 1995, 1996, 1997, 2009 Matthew R. Green
@@ -30,7 +30,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: uvm_swap.c,v 1.177 2018/03/15 03:21:58 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: uvm_swap.c,v 1.178 2018/11/15 14:19:23 maxv Exp $");
#include "opt_uvmhist.h"
#include "opt_compat_netbsd.h"
@@ -744,6 +744,7 @@ uvm_swap_stats(char *ptr, int misc,
inuse = btodb((uint64_t)sdp->swd_npginuse <<
PAGE_SHIFT);
+ memset(&sep, 0, sizeof(sep));
swapent_cvt(&sep, sdp, inuse);
if (f)
(*f)(&sep, &sep);
