From owner-dev-commits-src-branches@freebsd.org Mon Sep 13 14:40:41 2021 Return-Path: Delivered-To: dev-commits-src-branches@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 5A1D767C6BC; Mon, 13 Sep 2021 14:40:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4H7Tfx1tMSz3r99; Mon, 13 Sep 2021 14:40:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 206C6E05; Mon, 13 Sep 2021 14:40:41 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 18DEefpF041863; Mon, 13 Sep 2021 14:40:41 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 18DEefbn041862; Mon, 13 Sep 2021 14:40:41 GMT (envelope-from git) Date: Mon, 13 Sep 2021 14:40:41 GMT Message-Id: <202109131440.18DEefbn041862@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Ed Maste Subject: git: 97de1b27db7a - stable/13 - linux: make sure to zero the l_siginfo structure for ptrace(2) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: emaste X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 97de1b27db7a2e8386cbbd50a0d06a6ea0bf1221 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Sep 2021 14:40:41 -0000 The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=97de1b27db7a2e8386cbbd50a0d06a6ea0bf1221 commit 97de1b27db7a2e8386cbbd50a0d06a6ea0bf1221 Author: Edward Tomasz Napierala AuthorDate: 2021-06-08 09:18:29 +0000 Commit: Ed Maste CommitDate: 2021-09-13 14:39:42 +0000 linux: make sure to zero the l_siginfo structure for ptrace(2) Reported By: dchagin Sponsored By: EPSRC (cherry picked from commit f102b61d0ecffc6d9cc322fa7a48e0927391421b) --- sys/amd64/linux/linux_ptrace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/amd64/linux/linux_ptrace.c b/sys/amd64/linux/linux_ptrace.c index 89fda7979359..d209590e3680 100644 --- a/sys/amd64/linux/linux_ptrace.c +++ b/sys/amd64/linux/linux_ptrace.c @@ -408,6 +408,7 @@ linux_ptrace_getsiginfo(struct thread *td, pid_t pid, l_ulong data) } sig = bsd_to_linux_signal(lwpinfo.pl_siginfo.si_signo); + memset(&l_siginfo, 0, sizeof(l_siginfo)); siginfo_to_lsiginfo(&lwpinfo.pl_siginfo, &l_siginfo, sig); error = copyout(&l_siginfo, (void *)data, sizeof(l_siginfo)); return (error);