From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.210.54 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793205910; b=OX9xHOXt2+bjhh+99HQNDiDRCOA/ecTExyWXA6z5LKku/PdeaFrYdqyaf4QE01vGPz0v pkbmu5KNpfJbYGrQvor7jSQBIRc0vwq9eQgznHFrj95nty54BPzUUvNRUqOmQIs4HGZtq +4MrAod6CDwbRZaXsK4BqKf35yKNMl8A6LK6UPSjH1l4LgrztHTf90gpuv3qHPHV3uGue g6r+RbARWf7v3cgcqW3bScHpLBz4+RTKvOBPDGchZtzvZKp/9ACYgLvF/OcgUoGAYP8Bs 72iR8v6ugkjZ0UImbq6RwGcz7nsJOT487kZSjzZT0/mHFK1t/0PzRLhdVa75IEDyPHA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793205910; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Gm-Message-State:X-Gm-Gg:X-Received:Received:From:To:Cc:Subject: Date:Message-ID:X-Mailer:In-Reply-To:References:MIME-Version: Content-Transfer-Encoding; bh=ECckEXZDjGQHYVNU41GOt5Zb46Dv/eEstRfu9RA6kR4=; b=FWjJs/o4Tu2iFrEUtm9MNvSmV/x4VN35k6tyzlFEqqrCymFp8V2Pt1f/rL0Z9zzXxf5b rV0KkTANJeBm1EgYh+0weT1YJv63qHEQmxO3Pyed5dnQ5utIjhAOHWxUXA0BmM7uwq32h c+hYvcWPR7vBuI3HlYk6g2lDWWskTpl+BI4gXVkI0VYcva17UxJRA1zeNBkQfco2/93m2 kKhAMfuNSP4qujkLfIMZ+bYA6wbmh3/S0v7zUlMHBuOJsfDPxJshxjpzgVZkeL8u2MLYh 6K7B7TMhodaa5M0bm7TaxyyM6sz9PTkeIj9eTGGyN2wq1Fg84A4O7J+YZVZs3AmREEw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none header.from=kernel.dk; spf=pass smtp.mailfrom=kernel.dk; dkim=pass header.d=kernel-dk.20260707.gappssmtp.com header.i=@kernel-dk.20260707.gappssmtp.com header.a=rsa-sha256 header.s=20260707 header.b=tvZ85dYX; arc=none smtp.remote-ip=209.85.210.54 Received: from mail-ot1-f54.google.com (mail-ot1-f54.google.com [209.85.210.54]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58BC9606A31F for ; Wed, 28 Oct 2026 16:45:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 58BC9606A31F Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=kernel.dk Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel-dk.20260707.gappssmtp.com header.i=@kernel-dk.20260707.gappssmtp.com header.a=rsa-sha256 header.s=20260707 header.b=tvZ85dYX Received: by mail-ot1-f54.google.com with SMTP id 46e09a7af769-844a8bf7e25so798650a34.1 for ; Wed, 28 Oct 2026 09:45:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20260707.gappssmtp.com; s=20260707; t=1793205909; x=1793810709; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=ECckEXZDjGQHYVNU41GOt5Zb46Dv/eEstRfu9RA6kR4=; b=tvZ85dYXxSH+tbnHU1AWafLEXYwktKE3UCgo1Sf0wxHkWm6cGi+dhGDy5mi7xZpjea cuCnEm9bZUnWaluVdUbbuzGs6nI7AwrnMRa8t/nZuhuce8F26ofW2S34E3ybpNDZSqYY 0yVbGT4DG1SwmwCaHFs/aKpbK4nnM5z1o4S8Q6ABui+XyKHrV4MXOsMMfXndBc6G4552 JnF9q3Ojp2rQWXnuwfgOuEvkOx8SnlWNqAcq1FaXoVTEWsLP1k7tfEPA8Pa8HOxWjeqd SlGc/OzUcPQFF3Kc7plDs4gWpF4MA/PcFhZyBxN9ao72OfVxO93we02LtM3EcCi3PsLp GBHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793205909; x=1793810709; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=ECckEXZDjGQHYVNU41GOt5Zb46Dv/eEstRfu9RA6kR4=; b=K+himgl2v6HqqmSrdTWkGRZGQCZgVEqUBMLWtbEk/EKX41B2VvLVbL6+R5ghF38Blw fYsNqpPbbq1tD9zLBq4KSmHkCL2cPOXsds/4osOIfFn/uMRupcyR2FxyonwfQVsfqk03 ojgCFCqDuN0XzJm1oMh4thV5x43Sdwp1NG4mplrB3yuQVn9NToWDP0KJNhwGaGGy5aCb vy45F0bej8YsKxlGo8EVNKqB/GDC3tUhthf3ryXPuY2j/drIVypJvzuz2kJlFWdd5y3N 3GS8EnbC6Bs8FOGsHwm7WAgTuCRRmYJvP2ZwH0xqz0wqwXAwVNwEph3YiloaB6EFPIA6 GV/g== X-Gm-Message-State: AFq9FYJiaV116FNNX+faS/1LCLSY2yp6+0JrF+rJk437668LvejR0wAB LiDx8kGnC9nUtQWywS+ZxgO6ohr2OaYEIsnR7kVZNZ8tzqGC30jVWcqExyxx297UwPkFs3LjCLx vQ28MW6Y= X-Gm-Gg: AYBFou1uKbD6VS0Zej/Ty/A3TKCD/8PT8CVacYcANYJaJU2d4nL0wzSXJBPyrt2PJ93 iZqDDLKgDt366cavklXc+fr8uSJqjeGEDPD5Q8QCzTNK1+sozrh5hD/GpcYJIGYc6JssYj1ZYv9 e5TGISdoxxle62I1+xAFj/bp8MgxsE7tMx/1C5/8Vbdd2EfEyAUE3I7LMVtzOKDQLMU5R7YEyZJ gVp8Y0QDSpkSpn2aabfF2R71+J3c9aQcsNxQ4Tm/tK4mfMj8yH9xDyiYvkfU0FwWq7OXMVtxNEE xf4H6lb2pAFo71QRqgdu8SwglE1OvdjX3yVZWsVL457FFmZ0TkPgj/qvkROKSNhX8kv9uqQ+bEM FtSua1UaiKVCV4BW1ecK11q8dE6+cUz7eUTy9aTW6YLiubZKjWJFt9Lffd6fuvJpGyhMYKTYXWd rg985KaJdaALvMkvBp3HnGdFUYIQKWQ2LlhbAnd9U6vW+x9aBzVq4qCWjlxkd+wzeydApESNCy3 YkZr+Hi960vejVUWJ5hsmKjGodk+7+5QPZBAdcvJ0hGd25bbUp18MiWeIPLYENpDn6T33ZsLAFs U3mCP6tuPM+YUMQX6sNgekjfKXcrvlkOLjc8Kz3M85/Do/8fdo56FyP+dEUHqaF/rU3NDCVaRQ= = X-Received: by 2002:a05:6830:44a3:b0:7f6:ec23:7956 with SMTP id 46e09a7af769-85aba80b487mr2405358a34.2.1793205909361; Wed, 28 Oct 2026 09:45:09 -0700 (PDT) Received: from xps16 ([96.43.243.2]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-85b20216828sm2416941a34.19.2026.10.28.09.45.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Oct 2026 09:45:08 -0700 (PDT) From: Jens Axboe To: linux-block@vger.kernel.org Cc: Josef Bacik , Jens Axboe Subject: [PATCH 42/98] block: partitions/mac: compute the sectors in 64 bits Date: Wed, 28 Oct 2026 10:41:45 -0600 Message-ID: <20261028164415.1262013-43-axboe@kernel.dk> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261028164415.1262013-1-axboe@kernel.dk> References: <20261028164415.1262013-1-axboe@kernel.dk> X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Josef Bacik start_block and block_count are converted to 512 byte sectors in 32-bit arithmetic, although put_partition() takes a sector_t. With a block size above 512 bytes anything beyond 2TiB wraps and the partition lands on top of another one. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Josef Bacik Signed-off-by: Jens Axboe --- block/partitions/mac.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/partitions/mac.c b/block/partitions/mac.c index df03ca428e15..f372392af95b 100644 --- a/block/partitions/mac.c +++ b/block/partitions/mac.c @@ -97,8 +97,8 @@ int mac_partition(struct parsed_partitions *state) if (be16_to_cpu(part->signature) != MAC_PARTITION_MAGIC) break; put_partition(state, slot, - be32_to_cpu(part->start_block) * (secsize/512), - be32_to_cpu(part->block_count) * (secsize/512)); + (sector_t)be32_to_cpu(part->start_block) * (secsize/512), + (sector_t)be32_to_cpu(part->block_count) * (secsize/512)); if (!strncasecmp(part->type, "Linux_RAID", 10)) state->parts[slot].flags = ADDPART_FLAG_RAID; -- 2.56.0