Date: Wed, 13 Feb 2013 10:16:58 +0000 (UTC) From: Sergey Kandaurov <pluknet@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r246757 - stable/9/sys/kern Message-ID: <201302131016.r1DAGxRJ023620@svn.freebsd.org>
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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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