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Prezero the acl structure which is to be copied to usermode, to avoid

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leakage of the previous content of padding and unitialized fields.

Reported by:	Ilia Noskov <noskov@nic.ru>
Reviewed by:	kib
MFC after:	1 week
This commit is contained in:
pluknet 2013-02-06 15:18:46 +00:00
parent 7280eb0924
commit 85b0c7ccf9
1 changed files with 1 additions and 1 deletions
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2
sys/kern/vfs_acl.c
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@ -247,7 +247,7 @@ vacl_get_acl(struct thread *td, struct vnode *vp, acl_type_t type,
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);