From owner-svn-src-head@freebsd.org Thu Nov 22 17:51:20 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 500B411024C6; Thu, 22 Nov 2018 17:51:20 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id E79E97F2BA; Thu, 22 Nov 2018 17:51:19 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C8B1B13178; Thu, 22 Nov 2018 17:51:19 +0000 (UTC) (envelope-from markj@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id wAMHpJBm017720; Thu, 22 Nov 2018 17:51:19 GMT (envelope-from markj@FreeBSD.org) Received: (from markj@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id wAMHpJ7K017719; Thu, 22 Nov 2018 17:51:19 GMT (envelope-from markj@FreeBSD.org) Message-Id: <201811221751.wAMHpJ7K017719@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: markj set sender to markj@FreeBSD.org using -f From: Mark Johnston Date: Thu, 22 Nov 2018 17:51:19 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r340772 - head/sys/amd64/ia32 X-SVN-Group: head X-SVN-Commit-Author: markj X-SVN-Commit-Paths: head/sys/amd64/ia32 X-SVN-Commit-Revision: 340772 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: E79E97F2BA X-Spamd-Result: default: False [1.12 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_SPAM_LONG(0.40)[0.400,0]; NEURAL_SPAM_MEDIUM(0.49)[0.489,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US]; NEURAL_SPAM_SHORT(0.23)[0.235,0] X-Rspamd-Server: mx1.freebsd.org X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Nov 2018 17:51:20 -0000 Author: markj Date: Thu Nov 22 17:51:19 2018 New Revision: 340772 URL: https://svnweb.freebsd.org/changeset/base/340772 Log: Clear unused bytes in ia32_osendsig(). Mirror the fix for the native i386 implementation from r218327. This code is compiled only when the non-default COMPAT_43 option is configured. Reported by: Ilja Van Sprundel Reviewed by: kib MFC after: 3 days Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D18298 Modified: head/sys/amd64/ia32/ia32_signal.c Modified: head/sys/amd64/ia32/ia32_signal.c ============================================================================== --- head/sys/amd64/ia32/ia32_signal.c Thu Nov 22 16:55:09 2018 (r340771) +++ head/sys/amd64/ia32/ia32_signal.c Thu Nov 22 17:51:19 2018 (r340772) @@ -364,12 +364,14 @@ ia32_osendsig(sig_t catcher, ksiginfo_t *ksi, sigset_t /* Build the argument list for the signal handler. */ sf.sf_signum = sig; sf.sf_scp = (register_t)&fp->sf_siginfo.si_sc; + bzero(&sf.sf_siginfo, sizeof(sf.sf_siginfo)); if (SIGISMEMBER(psp->ps_siginfo, sig)) { /* Signal handler installed with SA_SIGINFO. */ sf.sf_arg2 = (register_t)&fp->sf_siginfo; sf.sf_siginfo.si_signo = sig; sf.sf_siginfo.si_code = ksi->ksi_code; sf.sf_ah = (uintptr_t)catcher; + sf.sf_addr = 0; } else { /* Old FreeBSD-style arguments. */ sf.sf_arg2 = ksi->ksi_code;