From nobody Sat Jan 08 01:01:55 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 951541945A01 for ; Sat, 8 Jan 2022 01:01:55 +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 4JW1yC38Pjz4RdJ for ; Sat, 8 Jan 2022 01:01:55 +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 4DD3C151E8 for ; Sat, 8 Jan 2022 01:01:55 +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 20811tjm039711 for ; Sat, 8 Jan 2022 01:01:55 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 20811tsL039710 for bugs@FreeBSD.org; Sat, 8 Jan 2022 01:01:55 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 59912] mremap() implementation lacking Date: Sat, 08 Jan 2022 01:01:55 +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: 4.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: shawn.webb@hardenedbsd.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: Normal X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: 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=1641603715; 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=b125N2vVgjJkgdgFtAeIBMCDgvVIQNzrE697N+AXAc4=; b=oTWJiptKtIQDykIN+pFkPuUEgnlYKkEjTB3fBXViENKeFb3LnKsNoCG9/9Ux6XcYaNMQcf 9+AxeELCFilcV+pvPSBsrgXxgXwhOGnvOQL78L7dLyKYy7n8nkJAik523qZ0gu/bQiCZEO GN72pyu1uF/9lY+4ggjV584c5EVzwKUS9FLN6gDBTNufaHBp68fsfQmds2ryg65J87mW3K h3Dq8AFbmIn8pM0nfJx6NtOks8Rmlz8htdFr4mistwNNVQcJj779wFDhFzog1WX8eezJrH EO0ZR3AUZgvDbMAIeKsVF2zwhlUuQcZaAGYMFD69f4ovcJMzwlDnpqu/pGZVvQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1641603715; a=rsa-sha256; cv=none; b=ms3e0XYUwbTQcD+v9JCHdKgVqLiYTCDsFhkkl4Ur8JuwxnlcrAOUe8yz/mEYXWvoFtB00Z uuj6tw9wEhXGkv6S2BT2ib9xgpRQPkexELs6qx870la9adS0au8ovBMb8YGlLB2TUbnj68 AoHvu2d55b3WOXitIks8v6EmWJw3Vgwh7JkfsTwwZzfcWLUYbXFM+ixaCYPjvm8xdVGGxp a2gaHJiFAIE2bxN0Z6rHXqZpxsYOUdU1dGVlqtBCjR507JzKnVo7LxmbQ4AVbi4l8YmTTh kOzd+b/PY0KwWwqwWyZM/hO7ciyr6Dc9EWz3nrx4Cl9GSHRA1sN0i0uiziTD5g== ARC-Authentication-Results: i=1; mx1.freebsd.org; none X-ThisMailContainsUnwantedMimeParts: N https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D59912 --- Comment #11 from Shawn Webb --- The Cross-DSO CFI implementation in llvm favors mremap, though it does cont= ain a fallback in the case mremap doesn't exist. If FreeBSD were to provide an official mremap syscall implementation, both the linuxulator and llvm's Cross-DSO CFI implementation would benefit. --=20 You are receiving this mail because: You are the assignee for the bug.=