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Hum, remove incorrect assignment. Userland could have passed a smaller 

namelen, and the uninitialized bytes from sb_data were being used later in
the network stack.
This commit is contained in:
maxv 2019-09-08 18:46:32 +00:00
parent 7e18ab6233
commit 90b51ba26d
1 changed files with 2 additions and 5 deletions
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7
sys/compat/linux/common/linux_socket.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux_socket.c,v 1.148 2019/08/24 14:18:43 maxv Exp $ */
/* $NetBSD: linux_socket.c,v 1.149 2019/09/08 18:46:32 maxv Exp $ */
/*-
* Copyright (c) 1995, 1998, 2008 The NetBSD Foundation, Inc.
@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.148 2019/08/24 14:18:43 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.149 2019/09/08 18:46:32 maxv Exp $");
#if defined(_KERNEL_OPT)
#include "opt_inet.h"
@ -1609,9 +1609,6 @@ linux_get_sa(struct lwp *l, int s, struct sockaddr_big *sb,
sin6->sin6_scope_id = 0;
}
if (bdom == AF_INET)
namelen = sizeof(struct sockaddr_in);
sb->sb_family = bdom;
sb->sb_len = namelen;
ktrkuser("mbsoname", sb, namelen);