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Return an error if the path was too long. Pointed out by maxv

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This commit is contained in:
christos 2019-06-27 17:07:51 +00:00
parent 9ed3bfe045
commit cfc6bad607
1 changed files with 3 additions and 3 deletions
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6
sys/kern/kern_exec.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_exec.c,v 1.474 2019/06/26 20:28:59 maxv Exp $ */
/* $NetBSD: kern_exec.c,v 1.475 2019/06/27 17:07:51 christos Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -59,7 +59,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.474 2019/06/26 20:28:59 maxv Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_exec.c,v 1.475 2019/06/27 17:07:51 christos Exp $");
#include "opt_exec.h"
#include "opt_execfmt.h"
@ -640,7 +640,7 @@ exec_makepathbuf(struct lwp *l, const char *upath, enum uio_seg seg,
len++;
if (len + 1 >= MAXPATHLEN)
goto out;
goto err;
bp = path + MAXPATHLEN - len;
memmove(bp, path, len);
*(--bp) = '/';