From nobody Tue Feb 08 17:50:38 2022 X-Original-To: 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 2887119B62E5 for ; Tue, 8 Feb 2022 17:50:39 +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 4JtVsp72ydz3DvY for ; Tue, 8 Feb 2022 17:50:38 +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 D1C581DD86 for ; Tue, 8 Feb 2022 17:50:38 +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 218HocHq033738 for ; Tue, 8 Feb 2022 17:50:38 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 218HocZ3033737 for bugs@FreeBSD.org; Tue, 8 Feb 2022 17:50:38 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 261781] vdso: Time calculation integer overflow Date: Tue, 08 Feb 2022 17:50:38 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: needs-qa X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kib@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: maintainer-feedback? mfc-stable13? mfc-stable12? X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@freebsd.org MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1644342639; 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: in-reply-to:in-reply-to:references:references; bh=BUMK4kxu2hBib/HglM//zqjbAUR7ygnFEhYREV5XIEo=; b=gdsd8LO1X7ftMC3ac7+qecr8aq3o0wb6FQ2a7jXJNGeAaoNsFJMDriJy6c95ktn1u4JkkD tyufXvvFrKULsi8BD7sMOzp+Sk20c2oL6u5ZyqnQ+q2oVo0taKk6D+f+YPQeviOglwqph3 Nsu8CUNY7jv1kHQGM2W1wQAOeK0yhDQC5LgT3KnqavhzGtLE7nbRVJoxx90BEqjLBh7Taj R76FwscLVcoCVOUYqDhnkYj9dpVWpFi8thN2hScMTDpMTUYqwhZBuG9oh439ekvnjQ/twH mbjV7vjpwTQpfXhuDtwlemo/sSt5TodsQStcepVM70unuSIO11M/FmVgkMTKWA== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1644342639; a=rsa-sha256; cv=none; b=N3avKLCATmRQmSlxqF3Hb7r/d6qhn1PL0aT9mXZgAGfF2iFI81vlnBQieY39O4Kkb6KjEi dlLt2yQnhN47/TW4f6cTycqHAT7DO5rrZTsT9dHI0j2HUZTLtrfnzyX0w+MTzL34jXVrSj 6FpRjH+KwWWGfqvYBbuxVkVd1qiTU7rSh//LMlFV/2qZwj8cyiMHx8Q1Z7Z+9ppJMz6kef pUu41vqbMQMZoTvvUsMAyNzZqCUzpN51IOBD0892qlJwzY0UEI6nWf51DoQCIMg8YBPPxD RdfEXDOJ6QEjEIuw3dMVFGsUL5mktxWsfK+Q4TCiHrNBKE0hxUpVbc7wKgysIA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D261781 --- Comment #1 from Konstantin Belousov --- I do not understand what are you saying. If scale * delta overflows, which we detect by calculating ffsl(scale) + fls(delta), we do more complicated calculation that moves overflow to bt->sec, and clamp scale to 32bit. --=20 You are receiving this mail because: You are the assignee for the bug.=