From owner-svn-src-all@freebsd.org Thu Oct 29 15:44:44 2020 Return-Path: Delivered-To: svn-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 BEA02455C2E; Thu, 29 Oct 2020 15:44:44 +0000 (UTC) (envelope-from trasz@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 "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4CMVB44l0mz3ghd; Thu, 29 Oct 2020 15:44:44 +0000 (UTC) (envelope-from trasz@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 864048068; Thu, 29 Oct 2020 15:44:44 +0000 (UTC) (envelope-from trasz@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id 09TFiiBt037134; Thu, 29 Oct 2020 15:44:44 GMT (envelope-from trasz@FreeBSD.org) Received: (from trasz@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id 09TFii5j037133; Thu, 29 Oct 2020 15:44:44 GMT (envelope-from trasz@FreeBSD.org) Message-Id: <202010291544.09TFii5j037133@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: trasz set sender to trasz@FreeBSD.org using -f From: Edward Tomasz Napierala Date: Thu, 29 Oct 2020 15:44:44 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r367139 - head/sys/compat/linprocfs X-SVN-Group: head X-SVN-Commit-Author: trasz X-SVN-Commit-Paths: head/sys/compat/linprocfs X-SVN-Commit-Revision: 367139 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Oct 2020 15:44:44 -0000 Author: trasz Date: Thu Oct 29 15:44:44 2020 New Revision: 367139 URL: https://svnweb.freebsd.org/changeset/base/367139 Log: Make linprocfs(4) print a warning when there's not enough room to fill /proc/self/maps. Submitted by: dchagin (earlier version) Reviewed by: emaste (earlier version) MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D20576 Modified: head/sys/compat/linprocfs/linprocfs.c Modified: head/sys/compat/linprocfs/linprocfs.c ============================================================================== --- head/sys/compat/linprocfs/linprocfs.c Thu Oct 29 15:36:20 2020 (r367138) +++ head/sys/compat/linprocfs/linprocfs.c Thu Oct 29 15:44:44 2020 (r367139) @@ -1252,6 +1252,10 @@ linprocfs_doprocmaps(PFS_FILL_ARGS) *name ? " " : " ", name ); + if (error == -1) { + linux_msg(td, "cannot fill /proc/self/maps; " + "consider bumping PFS_MAXBUFSIZ"); + } if (freename) free(freename, M_TEMP); vm_map_lock_read(map);