From owner-dev-commits-src-all@freebsd.org Mon Sep 13 14:48:06 2021 Return-Path: Delivered-To: dev-commits-src-all@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 2E57167CA96; Mon, 13 Sep 2021 14:48:06 +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 4H7TqV0SJTz3t6X; Mon, 13 Sep 2021 14:48:05 +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 CF589A79; Mon, 13 Sep 2021 14:48:05 +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 18DEm5ng044298; Mon, 13 Sep 2021 14:48:05 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 18DEm5Jj044297; Mon, 13 Sep 2021 14:48:05 GMT (envelope-from git) Date: Mon, 13 Sep 2021 14:48:05 GMT Message-Id: <202109131448.18DEm5Jj044297@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: 7dddc1074434 - stable/12 - 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/12 X-Git-Reftype: branch X-Git-Commit: 7dddc107443465b59fe05843ed57909714100f3c Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-all@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commit messages for all branches of the src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Sep 2021 14:48:06 -0000 The branch stable/12 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=7dddc107443465b59fe05843ed57909714100f3c commit 7dddc107443465b59fe05843ed57909714100f3c Author: Edward Tomasz Napierala AuthorDate: 2021-06-08 09:18:29 +0000 Commit: Ed Maste CommitDate: 2021-09-13 14:40:45 +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 aab62e3793cb..792572294764 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);