From nobody Fri Oct 20 16:35:08 2023 X-Original-To: dev-commits-src-all@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 4SBqvH3N2Lz4xyVj; Fri, 20 Oct 2023 16:35:23 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Received: from mail-lj1-f179.google.com (mail-lj1-f179.google.com [209.85.208.179]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1D4" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4SBqvG5fDNz3Ptq; Fri, 20 Oct 2023 16:35:22 +0000 (UTC) (envelope-from carpeddiem@gmail.com) Authentication-Results: mx1.freebsd.org; dkim=none; spf=pass (mx1.freebsd.org: domain of carpeddiem@gmail.com designates 209.85.208.179 as permitted sender) smtp.mailfrom=carpeddiem@gmail.com; dmarc=none Received: by mail-lj1-f179.google.com with SMTP id 38308e7fff4ca-2b95d5ee18dso16900351fa.1; Fri, 20 Oct 2023 09:35:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697819720; x=1698424520; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=9ayR/ZQvmG95zbyTMcG9eNZgf6fICuNTKGNX17z9wA8=; b=lBAv4BU6ZKFm4JR4n479EufOmibDGckAVvIiyqR2OFtVbXGdOXanvI/sF+qiW74TQ1 eDpyEtEIJ8xH8u+8b0PWS1G+bl0bR+OD/MYvQhJGaqtgSwZTmYxHklIXPUBoR8D75PWs W299EsdSEacYDWEnhq9EsQ4z/eIHWHfDqHeVv4lOaOHytf2xj5lkGSueHXHWxu/6/UFZ EB74zdONpvkRWz2S77cD3xcuoP1ea89XofNd7wSjuvfYilyxe56JiDLiJLPWUELpXa39 lZfOgwAg6C8EN9mdjjxQm1jRF9OTVl/133uL3Knhi1KoQ3jlqvxlCX77cqNQM4gQCwiW 1rbQ== X-Gm-Message-State: AOJu0Ywf7u3nJ6NJ/3849MqTZwwx8H1zwzq/bDUrMMMa04pcWD79OwCW 109Ljsu/RpI2EhJCqOQepqwfmnA3ncGpR6oP4ElQRrBL X-Google-Smtp-Source: AGHT+IESEbWLyTn7YsMt1AvNA9R1SMv8ADs58W1lg81rHA/6JrWK65oy2qAVVcz6sYYdnjCZoy4qYbDfMQKn7O4O2Qo= X-Received: by 2002:a05:6512:3053:b0:507:b0a1:6088 with SMTP id b19-20020a056512305300b00507b0a16088mr1939296lfb.46.1697819719752; Fri, 20 Oct 2023 09:35:19 -0700 (PDT) List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 References: <202310171337.39HDb4Xp095686@gitrepo.freebsd.org> In-Reply-To: <202310171337.39HDb4Xp095686@gitrepo.freebsd.org> From: Ed Maste Date: Fri, 20 Oct 2023 12:35:08 -0400 Message-ID: Subject: Re: git: b6c653c97463 - main - kmsan: Set -fno-sanitize-memory-param-retval for now To: Mark Johnston Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Content-Type: text/plain; charset="UTF-8" X-Spamd-Bar: - X-Spamd-Result: default: False [-1.36 / 15.00]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_SPAM_SHORT(0.64)[0.639]; FORGED_SENDER(0.30)[emaste@freebsd.org,carpeddiem@gmail.com]; R_SPF_ALLOW(-0.20)[+ip4:209.85.128.0/17]; MIME_GOOD(-0.10)[text/plain]; RCVD_IN_DNSWL_NONE(0.00)[209.85.208.179:from]; R_DKIM_NA(0.00)[]; MLMMJ_DEST(0.00)[dev-commits-src-all@freebsd.org,dev-commits-src-main@freebsd.org]; RWL_MAILSPIKE_POSSIBLE(0.00)[209.85.208.179:from]; FREEMAIL_ENVFROM(0.00)[gmail.com]; RCVD_COUNT_ONE(0.00)[1]; MIME_TRACE(0.00)[0:+]; DMARC_NA(0.00)[freebsd.org]; FROM_HAS_DN(0.00)[]; FREEFALL_USER(0.00)[carpeddiem]; ARC_NA(0.00)[]; ASN(0.00)[asn:15169, ipnet:209.85.128.0/17, country:US]; RCPT_COUNT_THREE(0.00)[4]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_TLS_LAST(0.00)[]; FROM_NEQ_ENVFROM(0.00)[emaste@freebsd.org,carpeddiem@gmail.com] X-Rspamd-Queue-Id: 4SBqvG5fDNz3Ptq On Tue, 17 Oct 2023 at 09:37, Mark Johnston wrote: > > commit b6c653c9746342b373af01979319b3cb123b2872 > Author: Mark Johnston > AuthorDate: 2023-10-16 19:45:42 +0000 > Commit: Mark Johnston > CommitDate: 2023-10-17 13:05:45 +0000 > > kmsan: Set -fno-sanitize-memory-param-retval for now > > As of LLVM 16, -fsanitize-memory-param-retval is the default. It yields > significantly smaller code, but the KMSAN runtime interceptors need to > be updated to stop checking shadow state of parameters. Apply a minimal > workaround for now. What could we do to be more proactive in finding this kind of issue? Is it just a consequence of our (current lack of) LLVM FreeBSD CI/testing infrastructure?