From nobody Mon Feb 21 13:49:03 2022 X-Original-To: dev-commits-src-branches@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 4CC13183AA9B; Mon, 21 Feb 2022 13:49:05 +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 4K2Nv41xxHz3PrY; Mon, 21 Feb 2022 13:49:04 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1645451344; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; 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Mon, 21 Feb 2022 13:49:03 GMT (envelope-from git) Date: Mon, 21 Feb 2022 13:49:03 GMT Message-Id: <202202211349.21LDn3mw092096@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Edward Tomasz Napierala Subject: git: bb726462cbea - stable/13 - linux: Make PTRACE_GETREGSET return proper buffer size List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-branches@freebsd.org X-BeenThere: dev-commits-src-branches@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/stable/13 X-Git-Reftype: branch X-Git-Commit: bb726462cbea5f6b3ad9e4892cb59b19e45c229c Auto-Submitted: auto-generated ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; 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mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N The branch stable/13 has been updated by trasz: URL: https://cgit.FreeBSD.org/src/commit/?id=bb726462cbea5f6b3ad9e4892cb59b19e45c229c commit bb726462cbea5f6b3ad9e4892cb59b19e45c229c Author: Edward Tomasz Napierala AuthorDate: 2021-10-29 14:28:56 +0000 Commit: Edward Tomasz Napierala CommitDate: 2022-02-21 13:36:23 +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 (cherry picked from commit f939dccfd770df2f9070cd30aa52105b7afe1bde) --- 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 f189bbc0bc79..5fa7dafdf2c7 100644 --- a/sys/amd64/linux/linux_ptrace.c +++ b/sys/amd64/linux/linux_ptrace.c @@ -574,7 +574,7 @@ 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);