Author: pluknet
Date: Wed Feb 13 10:16:58 2013
New Revision: 246757
URL: http://svnweb.freebsd.org/changeset/base/246757
Log:
MFC r246412:
Prezero the acl structure which is to be copied to usermode, to avoid
leakage of the previous content of padding and unitialized fields.
Modified:
stable/9/sys/kern/vfs_acl.c
Directory Properties:
stable/9/sys/ (props changed)
Modified: stable/9/sys/kern/vfs_acl.c
==============================================================================
--- stable/9/sys/kern/vfs_acl.c Wed Feb 13 09:20:55 2013 (r246756)
+++ stable/9/sys/kern/vfs_acl.c Wed Feb 13 10:16:58 2013 (r246757)
@@ -247,7 +247,7 @@ vacl_get_acl(struct thread *td, struct v
struct acl *inkernelacl;
int error;
- inkernelacl = acl_alloc(M_WAITOK);
+ inkernelacl = acl_alloc(M_WAITOK | M_ZERO);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
#ifdef MAC
error = mac_vnode_check_getacl(td->td_ucred, vp, type);
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