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linux_sys_socketcall(): refuse negative 'what' values

This commit is contained in:
jdolecek 2001-06-22 08:27:05 +00:00
parent 36a4b627d0
commit 5f9c0daf71
1 changed files with 2 additions and 2 deletions
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4
sys/compat/linux/common/linux_socketcall.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux_socketcall.c,v 1.19 1999/03/25 04:26:45 sommerfe Exp $ */
/* $NetBSD: linux_socketcall.c,v 1.20 2001/06/22 08:27:05 jdolecek Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@ -117,7 +117,7 @@ linux_sys_socketcall(p, v, retval)
struct linux_socketcall_dummy_args lda;
int error;
if (SCARG(uap, what) > LINUX_MAX_SOCKETCALL)
if (SCARG(uap, what) < 0 || SCARG(uap, what) > LINUX_MAX_SOCKETCALL)
return ENOSYS;
if ((error = copyin((caddr_t) SCARG(uap, args), (caddr_t) &lda,