Module Name: src
Committed By: simonb
Date: Tue Feb 16 14:47:20 UTC 2021
Modified Files:
src/sys/compat/netbsd32: netbsd32_fs.c
Log Message:
In netbsd32___mount50() zero out the native fs_args union before use so
we don't pass stack garbage to the lower layers in the MNT_GETARGS case.
Fixes random errors like "Bad address" from "mount -vv" with nfs mounts.
To generate a diff of this commit:
cvs rdiff -u -r1.92 -r1.93 src/sys/compat/netbsd32/netbsd32_fs.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/compat/netbsd32/netbsd32_fs.c
diff -u src/sys/compat/netbsd32/netbsd32_fs.c:1.92 src/sys/compat/netbsd32/netbsd32_fs.c:1.93
--- src/sys/compat/netbsd32/netbsd32_fs.c:1.92 Tue Jan 19 03:41:22 2021
+++ src/sys/compat/netbsd32/netbsd32_fs.c Tue Feb 16 14:47:20 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: netbsd32_fs.c,v 1.92 2021/01/19 03:41:22 simonb Exp $ */
+/* $NetBSD: netbsd32_fs.c,v 1.93 2021/02/16 14:47:20 simonb Exp $ */
/*
* Copyright (c) 1998, 2001 Matthew R. Green
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: netbsd32_fs.c,v 1.92 2021/01/19 03:41:22 simonb Exp $");
+__KERNEL_RCSID(0, "$NetBSD: netbsd32_fs.c,v 1.93 2021/02/16 14:47:20 simonb Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -825,6 +825,7 @@ netbsd32___mount50(struct lwp *l, const
udata = data = SCARG_P32(uap, data);
memset(&fs_args32, 0, sizeof(fs_args32));
+ memset(&fs_args, 0, sizeof(fs_args));
error = copyinstr(type, mtype, sizeof(mtype), &len);
if (error)
