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{ "id": 2222228, "url": "http://patchwork.ozlabs.org/api/1.1/covers/2222228/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260410230300.135631-1-carlos.bilbao@kernel.org/", "project": { "id": 28, "url": "http://patchwork.ozlabs.org/api/1.1/projects/28/?format=api", "name": "Linux PCI development", "link_name": "linux-pci", "list_id": "linux-pci.vger.kernel.org", "list_email": "linux-pci@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null }, "msgid": "<20260410230300.135631-1-carlos.bilbao@kernel.org>", "date": "2026-04-10T23:02:58", "name": "[v2,0/2] misc: pci_endpoint_test: doorbell BAR validation fixes", "submitter": { "id": 93050, "url": "http://patchwork.ozlabs.org/api/1.1/people/93050/?format=api", "name": "Carlos Bilbao (Lambda)", "email": "carlos.bilbao@kernel.org" }, "mbox": "http://patchwork.ozlabs.org/project/linux-pci/cover/20260410230300.135631-1-carlos.bilbao@kernel.org/mbox/", "series": [ { "id": 499514, "url": "http://patchwork.ozlabs.org/api/1.1/series/499514/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-pci/list/?series=499514", "date": "2026-04-10T23:02:59", "name": "misc: pci_endpoint_test: doorbell BAR validation fixes", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/499514/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/2222228/comments/", "headers": { "Return-Path": "\n <linux-pci+bounces-52356-incoming=patchwork.ozlabs.org@vger.kernel.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-pci@vger.kernel.org" ], "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=TXfiawP7;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=172.234.253.10; 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a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116;\n\tt=1775862186; cv=none;\n b=hqWqGAoSLhLXhcD8iH4eZeRoF1BKByAm9sQ7SBc2skFfR6rzrQFzICAgtYIV0EgjWBGlHhBGVe8YNe4ecQCpxCetRmwOmcIxJxDfUKT+XAFn2P7k869cNyX4LCsL7i8RL5TzcSThjh98bMbX426/ivsBJqAma4CDnTM6d93Qz98=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1775862186; c=relaxed/simple;\n\tbh=WAMkBQc1h8yLAINGXQ2j2zMism2d+aY+jNOWL9O+r8k=;\n\th=From:To:Cc:Subject:Date:Message-ID:MIME-Version;\n b=nRMfmwUqSezWaLGgBJFfHEsht126QqY+D8RhsL08+e8HFuenrLNTTvwUjZewEqlBE3cgFnYca82GOJsEMSphqc0nFaQGG6V/oFIaHCmQaEtNQsaJCxcC30so/BZD1Cy/fneaQLHy772vnhyGL4M3wcKDcR7pBGz2G/8knzFtcWI=", "ARC-Authentication-Results": "i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=TXfiawP7; arc=none smtp.client-ip=10.30.226.201", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1775862185;\n\tbh=WAMkBQc1h8yLAINGXQ2j2zMism2d+aY+jNOWL9O+r8k=;\n\th=From:To:Cc:Subject:Date:From;\n\tb=TXfiawP7sieaI/A64eJV9CY8NxKgW2/c1R5vAZNGtVMOGF1VB5IhF64lGAkygis1r\n\t BErHzvkrm8T0CNxLe4Z0YFElv9ZKoBFRRojXgBELQIMgq2phCNiVlpAzDDHAsBAYQE\n\t BKy9Yv0bRL//Dd6a3+BdlGWPotLS7Yvqr1YjanVM6qiOV08OAk2lG6xubtyQQ1k/1d\n\t PAn1/AE4BB/R4QwRih7x8vb0ZWTpHXW3rmGyE30UxHlcvMTjhGCV/EiVx+wBPTXgGV\n\t 1ivQFzvDfqdWNx3+uOUBqOidwGP+BuLRocnwRcy1fiv/u8WXn9WC+efdUtsWD9D/Zd\n\t /itsCwXHp5mug==", "From": "\"Carlos Bilbao (Lambda)\" <carlos.bilbao@kernel.org>", "To": "mani@kernel.org,\n\tkwilczynski@kernel.org,\n\tkishon@kernel.org,\n\tden@valinux.co.jp", "Cc": "arnd@arndb.de,\n\tgregkh@linuxfoundation.org,\n\tlinux-pci@vger.kernel.org,\n\tlinux-kernel@vger.kernel.org,\n\tbilbao@vt.edu,\n\tCarlos Bilbao <carlos.bilbao@kernel.org>", "Subject": "[PATCH v2 0/2] misc: pci_endpoint_test: doorbell BAR validation fixes", "Date": "Fri, 10 Apr 2026 16:02:58 -0700", "Message-ID": "<20260410230300.135631-1-carlos.bilbao@kernel.org>", "X-Mailer": "git-send-email 2.43.0", "Precedence": "bulk", "X-Mailing-List": "linux-pci@vger.kernel.org", "List-Id": "<linux-pci.vger.kernel.org>", "List-Subscribe": "<mailto:linux-pci+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-pci+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit" }, "content": "From: Carlos Bilbao <carlos.bilbao@kernel.org>\n\npci_endpoint_test_doorbell() reads a BAR number from endpoint MMIO and\nuses it as an array index into test->bar[]. Add a defensive bounds check\ncovering both out-of-range positive values and NO_BAR (-1), and remove a\ndead register read that precedes the writel sequence.\n\nChanges since v1:\n\n- Patch 1: extend bounds check to also reject NO_BAR (-1), which is the\n Use %d (not %u) in the error message.\n- Patch 2: no code change; add Reviewed-by tag.\n\nCarlos Bilbao (2):\n misc: pci_endpoint_test: validate BAR index in doorbell test\n misc: pci_endpoint_test: remove dead BAR read before doorbell trigger\n\n drivers/misc/pci_endpoint_test.c | 6 +++++-\n 1 file changed, 5 insertions(+), 1 deletion(-)" }