From nobody Fri Oct 29 15:04:33 2021 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id CE689183B8F2; Fri, 29 Oct 2021 15:04:33 +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 4Hgm1F5Wgzz3FN6; Fri, 29 Oct 2021 15:04:33 +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 99EE419516; Fri, 29 Oct 2021 15:04:33 +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 19TF4XEE095347; Fri, 29 Oct 2021 15:04:33 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 19TF4XpF095346; Fri, 29 Oct 2021 15:04:33 GMT (envelope-from git) Date: Fri, 29 Oct 2021 15:04:33 GMT Message-Id: <202110291504.19TF4XpF095346@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Edward Tomasz Napierala Subject: git: f939dccfd770 - main - linux: Make PTRACE_GETREGSET return proper buffer size List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: trasz X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: f939dccfd770df2f9070cd30aa52105b7afe1bde Auto-Submitted: auto-generated X-ThisMailContainsUnwantedMimeParts: N The branch main has been updated by trasz: URL: https://cgit.FreeBSD.org/src/commit/?id=f939dccfd770df2f9070cd30aa52105b7afe1bde commit f939dccfd770df2f9070cd30aa52105b7afe1bde Author: Edward Tomasz Napierala AuthorDate: 2021-10-29 14:28:56 +0000 Commit: Edward Tomasz Napierala CommitDate: 2021-10-29 14:31:33 +0000 linux: Make PTRACE_GETREGSET return proper buffer size This fixes Chrome warning: [1022/152319.328632:ERROR:ptracer.cc(476)] Unexpected registers size 0 != 216, 68 Reviewed By: emaste Sponsored By: EPSRC Differential Revision: https://reviews.freebsd.org/D32616 --- sys/amd64/linux/linux_ptrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/amd64/linux/linux_ptrace.c b/sys/amd64/linux/linux_ptrace.c index d16e875ba5cf..275450d63b2d 100644 --- a/sys/amd64/linux/linux_ptrace.c +++ b/sys/amd64/linux/linux_ptrace.c @@ -540,7 +540,7 @@ linux_ptrace_getregset_prstatus(struct thread *td, pid_t pid, l_ulong data) return (error); } - iov.iov_len -= len; + iov.iov_len = len; error = copyout(&iov, (void *)data, sizeof(iov)); if (error != 0) { linux_msg(td, "iov copyout error %d", error);