Date: Mon, 13 Dec 2010 10:40:16 +0000 (UTC) From: Konstantin Belousov <kib@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: r216403 - stable/8/sys/amd64/amd64 Message-ID: <201012131040.oBDAeGB5076900@svn.freebsd.org>
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Author: kib Date: Mon Dec 13 10:40:16 2010 New Revision: 216403 URL: http://svn.freebsd.org/changeset/base/216403 Log: MFC r216231: Do not leak %rdx value in the previous image to the new image after execve(2). Approved by: re (bz) Modified: stable/8/sys/amd64/amd64/machdep.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/amd64/amd64/machdep.c ============================================================================== --- stable/8/sys/amd64/amd64/machdep.c Mon Dec 13 10:27:35 2010 (r216402) +++ stable/8/sys/amd64/amd64/machdep.c Mon Dec 13 10:40:16 2010 (r216403) @@ -874,6 +874,7 @@ exec_setregs(td, entry, stack, ps_string regs->tf_fs = _ufssel; regs->tf_gs = _ugssel; regs->tf_flags = TF_HASSEGS; + td->td_retval[1] = 0; /* * Reset the hardware debug registers if they were in use.
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