From owner-freebsd-bugs@freebsd.org Thu Dec 24 15:24:48 2020 Return-Path: Delivered-To: freebsd-bugs@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 1C1E54C898E for ; Thu, 24 Dec 2020 15:24:48 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4D1v5D076vz4gB7 for ; Thu, 24 Dec 2020 15:24:48 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.nyi.freebsd.org (Postfix) id 0446C4C874E; Thu, 24 Dec 2020 15:24:48 +0000 (UTC) Delivered-To: bugs@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 040CB4C866B for ; Thu, 24 Dec 2020 15:24:48 +0000 (UTC) (envelope-from bugzilla-noreply@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 4D1v5C6ZlHz4gDR for ; Thu, 24 Dec 2020 15:24:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 D514C12CBA for ; Thu, 24 Dec 2020 15:24:47 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 0BOFOlcP074929 for ; Thu, 24 Dec 2020 15:24:47 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 0BOFOlxu074928 for bugs@FreeBSD.org; Thu, 24 Dec 2020 15:24:47 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 252109] With ASLR enabled ulimit -s is crashing Date: Thu, 24 Dec 2020 15:24:48 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.2-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: daniel@zhelev.biz X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Dec 2020 15:24:48 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D252109 Bug ID: 252109 Summary: With ASLR enabled ulimit -s is crashing Product: Base System Version: 12.2-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Many People Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: daniel@zhelev.biz Created attachment 220893 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D220893&action= =3Dedit coredump from ulimit Summary When trying to set a stack size using ulimit -s while kern.elf*.aslr.enable= =3D1 causes segmentation fault: System: OS: 12.2-RELEASE-p1=20 ARCH: AMD64 Notes: Running on Proxmox VM Steps to reproduce: root@abyss:~ # sysctl kern.elf64.aslr.enable=3D1 kern.elf64.aslr.enable: 1 -> 1 root@abyss:~ # sysctl kern.elf64.aslr.enable=3D0 kern.elf64.aslr.enable: 1 -> 0 root@abyss:~ # ulimit -s 3000 root@abyss:~ # ulimit -s 3000 root@abyss:~ # ulimit -s 3000 root@abyss:~ # ulimit -s 3000 root@abyss:~ # ulimit -s 3000 root@abyss:~ # sysctl kern.elf64.aslr.enable=3D1 kern.elf64.aslr.enable: 0 -> 1 root@abyss:~ # ulimit -s 3000 Segmentation fault (core dumped) root@abyss:~ # Workaround: Disable ASLR sysctl kern.elf64.aslr.enable=3D0 Attached coredump from ulimit. --=20 You are receiving this mail because: You are the assignee for the bug.=