Date: Wed, 13 Feb 2013 10:18:26 +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-8@freebsd.org Subject: svn commit: r246758 - stable/8/sys/kern Message-ID: <201302131018.r1DAIQUv023858@svn.freebsd.org>
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Author: pluknet Date: Wed Feb 13 10:18:26 2013 New Revision: 246758 URL: http://svnweb.freebsd.org/changeset/base/246758 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/8/sys/kern/vfs_acl.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/kern/ (props changed) Modified: stable/8/sys/kern/vfs_acl.c ============================================================================== --- stable/8/sys/kern/vfs_acl.c Wed Feb 13 10:16:58 2013 (r246757) +++ stable/8/sys/kern/vfs_acl.c Wed Feb 13 10:18:26 2013 (r246758) @@ -246,7 +246,7 @@ 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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