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fix buffer overrun for symbolic links. PR/31325.

This commit is contained in:
yamt 2005-09-17 10:28:26 +00:00
parent 7e71f567e4
commit bea9347034
1 changed files with 6 additions and 6 deletions
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12
sys/fs/tmpfs/tmpfs_subr.c
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@ -1,4 +1,4 @@
/* $NetBSD: tmpfs_subr.c,v 1.6 2005/09/16 00:18:48 yamt Exp $ */
/* $NetBSD: tmpfs_subr.c,v 1.7 2005/09/17 10:28:26 yamt Exp $ */
/*
* Copyright (c) 2005 The NetBSD Foundation, Inc.
@ -41,7 +41,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: tmpfs_subr.c,v 1.6 2005/09/16 00:18:48 yamt Exp $");
__KERNEL_RCSID(0, "$NetBSD: tmpfs_subr.c,v 1.7 2005/09/17 10:28:26 yamt Exp $");
#include <sys/param.h>
#include <sys/dirent.h>
@ -138,15 +138,15 @@ tmpfs_alloc_node(struct tmpfs_mount *tmp, enum vtype type,
case VLNK:
KASSERT(strlen(target) < MAXPATHLEN);
nnode->tn_size = strlen(target);
nnode->tn_link = tmpfs_str_pool_get(&tmp->tm_str_pool,
strlen(target), 0);
nnode->tn_size, 0);
if (nnode->tn_link == NULL) {
nnode->tn_type = VNON;
tmpfs_free_node(tmp, nnode);
return ENOSPC;
}
strcpy(nnode->tn_link, target);
nnode->tn_size = strlen(target);
memcpy(nnode->tn_link, target, nnode->tn_size);
break;
case VREG:
@ -191,7 +191,7 @@ tmpfs_free_node(struct tmpfs_mount *tmp, struct tmpfs_node *node)
case VLNK:
tmpfs_str_pool_put(&tmp->tm_str_pool, node->tn_link,
strlen(node->tn_link));
node->tn_size);
pages = 0;
break;