From owner-freebsd-bugs@freebsd.org Wed Dec 7 19:21:29 2016 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 5D9DFC6CBDD for ; Wed, 7 Dec 2016 19:21:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 3355D199 for ; Wed, 7 Dec 2016 19:21:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id uB7JLT4M094353 for ; Wed, 7 Dec 2016 19:21:29 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-bugs@FreeBSD.org Subject: [Bug 215125] clang: Turning on sanitizer options causes the test for non-existent function mallinfo() to pass Date: Wed, 07 Dec 2016 19:21:29 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 11.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: yuri@rawbw.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-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: 2.1.23 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Dec 2016 19:21:29 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D215125 Bug ID: 215125 Summary: clang: Turning on sanitizer options causes the test for non-existent function mallinfo() to pass Product: Base System Version: 11.0-STABLE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: freebsd-bugs@FreeBSD.org Reporter: yuri@rawbw.com Created attachment 177764 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D177764&action= =3Dedit C test program: conftest.c It fails without the sanitizer options: > cc -o conftest -O2 -pipe -fno-omit-frame-pointer -fstack-protector -fno-= strict-aliasing -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3D2 -Qunused-arguments = -fstack-protector-all -Wstack-protector -fwrapv --param ssp-buffer-size=3D1= -fPIE -fasynchronous-unwind-tables -fno-omit-frame-pointer -I${top_srcdir}= /src/common -Wl,-rpath,/usr/local/lib -fstack-protector -pie -Wl,-z,relro = -Wl,-z,now -rdynamic conftest.c -lpthread -lexecinfo It succeeds with the sanitizer options: > cc -o conftest -O2 -pipe -fno-omit-frame-pointer -fstack-protector -fno-= strict-aliasing -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3D2 -Qunused-arguments = -fstack-protector-all -Wstack-protector -fwrapv --param ssp-buffer-size=3D1= -fPIE -fsanitize=3Daddress -fsanitize=3Dundefined -fno-omit-frame-pointer = -fasynchronous-unwind-tables -fno-omit-frame-pointer -I${top_srcdir}/src/co= mmon -Wl,-rpath,/usr/local/lib -fstack-protector -pie -Wl,-z,relro -Wl,-z,= now -rdynamic conftest.c -lpthread -lexecinfo I found this during security/tor build on FreeBSD 11 amd64. Sanitizer options shouldn't make such difference, and the test should always fail because there is no such function. --=20 You are receiving this mail because: You are the assignee for the bug.=