From nobody Wed Apr 24 13:55:28 2024 X-Original-To: ports-bugs@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 4VPgVV0zTwz5HPgx for ; Wed, 24 Apr 2024 13:55:30 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4VPgVT6Nnyz4T5v for ; Wed, 24 Apr 2024 13:55:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1713966929; a=rsa-sha256; cv=none; b=u7AUb4SvyTlT8kaf+oaI/fK1mjENvONgxzpjfxQdKCK0BTyp3pVXYF5gxCnN1r5DvwOpNY xlMyKb7/nSiztktAMyPwRaICalhT6mbAwUFWozbxNm0GDoFMpXmhTiXC3Rce4w1hfmBVtM tDK1SPWnY0UFsm0PWSS3+hTaBxSMn3pslK3IeFUTULx2IN02ck+CPP+WWgJbIFR77A0Z9Y qHcV1vhCrN4b7qtjdMrcKLAWu0b/DaPW2kETtHfnq+qNO6dz1Zu99kvLyR1yjwBkiDBuyi tvDO8r5o3BBnc4vlttGYyi4jUhgvxJMCpFZu4G4UWqg6gJE9GIajmIbSXf0QPg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1713966929; 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; bh=d5Wvjertemo5NRKQTrw2QuDbQDgTXCEJsW9zCs99jNI=; b=bnX67E6M2R31PJ/mVrct4cfa/5YldntUEipQAHjLdrCE2d4i0MPme489CduWPJDSHW1lz6 HordXfp7TLn27EgdEBqkRwjWkdRWxLH8Lx4vQXyC2SCIz0aVqUsnKKnHo7d8VjAhZ0pWzR 1hG+RzM/FYxooSpqIoIsHgWV6YfTp0Zdl8IcMTEnk8FHKfE8IFwUBtR0m/MODxEwy3tYzD iv4AnGhmjV+gzlJQBu0HLCp443oGnWRTHUDEeecRTIfcEF/gjupCU5qVDr2Oa49ioREwMD OR9uuplHMKcJ091srwlex9m2pqiNV/szAk0k1daOXxXfhrb/FK2Q49piy23pLA== 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 4VPgVT3dFYzJ3Z for ; Wed, 24 Apr 2024 13:55:29 +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 43ODtTkO054860 for ; Wed, 24 Apr 2024 13:55:29 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 43ODtTa4054859 for ports-bugs@FreeBSD.org; Wed, 24 Apr 2024 13:55:29 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: ports-bugs@FreeBSD.org Subject: [Bug 278566] devel/valgrind: __sysctlbyname looks like false positive detect Date: Wed, 24 Apr 2024 13:55:28 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Ports & Packages X-Bugzilla-Component: Individual Port(s) X-Bugzilla-Version: Latest X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rozhuk.im@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: ports-bugs@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cc flagtypes.name attachments.mimetype 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 List-Id: Ports bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-ports-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-ports-bugs@freebsd.org Sender: owner-freebsd-ports-bugs@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D278566 Bug ID: 278566 Summary: devel/valgrind: __sysctlbyname looks like false positive detect Product: Ports & Packages Version: Latest Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: Individual Port(s) Assignee: ports-bugs@FreeBSD.org Reporter: rozhuk.im@gmail.com CC: pjfloyd@wanadoo.fr CC: pjfloyd@wanadoo.fr Flags: maintainer-feedback?(pjfloyd@wanadoo.fr) Attachment #250205 text/plain mime type: Created attachment 250205 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D250205&action= =3Dedit example code --90284-- Set osrel for current process with value 1400511 =3D=3D90284=3D=3D Syscall param __sysctlbyname(name) points to uninitialise= d byte(s) =3D=3D90284=3D=3D at 0x4992CDA: __sysctlbyname (in /lib/libc.so.7) =3D=3D90284=3D=3D by 0x20185F: main (in /home/rim/docs/Progs/FreeBSD/sysctlbyname_broken) =3D=3D90284=3D=3D Address 0x1ffc000466 is on thread 1's stack =3D=3D90284=3D=3D in frame #1, created by main (???:) =3D=3D90284=3D=3D Uninitialised value was created by a stack allocation =3D=3D90284=3D=3D at 0x2017F0: main (in /home/rim/docs/Progs/FreeBSD/sysctlbyname_broken) =3D=3D90284=3D=3D=20 But in way that it used some args OUT only (kernel only write result), and = all 100% bytes are initialized. --=20 You are receiving this mail because: You are the assignee for the bug.=