Message ID | 20240610-hwtimestamp-followup-v1-0-f9eaed7be7f0@chromium.org |
---|---|
Headers | show
Received: from mail-qv1-f46.google.com (mail-qv1-f46.google.com [209.85.219.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5D155182B5 for <linux-media@vger.kernel.org>; Mon, 10 Jun 2024 19:18:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.219.46 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718047084; cv=none; b=kr9UXMk7v0ecwSEjuX2OIFv3zJaziWbQ5p7ZxEwV6fHXVOvZqrmxRALg/i3YApkb5Yp+gau8Wk8mbI0d8oqPZd7EmJwTErNDJ20Tqk9wGZzEqmWdZ4TdvK5ueBRg+U0+ftL3O1AmX4hxCw3kGCWMGrtoAzVZaAwmATOzx27mXCU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718047084; c=relaxed/simple; bh=ZLDDNoFT0RjZQZE3Qbp0+gYlvPoMfNcLfWYnfekiwsQ=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=qoSCddcV6SoQbfDtJIS/YnurHFfCjfQWZoYxpHGghu+PWu93eHzuDGnM9TUsr2ITv7qBbaTKTJZD8sPOcjJMmBGMnkeLX8UEYP+ggnAIg6t77QKhwg5wP6tpaIHXwSGDVmq46NxwTO9QqC1XozXfzx7hJwpH2O8ol+yzz/AEVNY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=k7lecxZx; arc=none smtp.client-ip=209.85.219.46 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="k7lecxZx" Received: by mail-qv1-f46.google.com with SMTP id 6a1803df08f44-6b065d12dc6so1746506d6.0 for <linux-media@vger.kernel.org>; Mon, 10 Jun 2024 12:18:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1718047082; x=1718651882; darn=vger.kernel.org; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:from:to:cc:subject:date:message-id:reply-to; bh=GKTxfDepAOASvtboGdygz0hOxMNQauCfOA/I6qs8Ids=; b=k7lecxZx91arwFmCAdvH1NKX82YTeXHe1fVLkS2gUirODAciMumBLdMLjn2ljPfPTc HoVXlN7HA+CNrb8KTEPfQdbog9YtfAJJuJshqB+EId4Nnm0oIQbbrD/oBOHL3bghYi1Y FYiRiohW7FUjvZwXqlNSIO1VP5y2gPGGP1qk0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718047082; x=1718651882; h=cc:to:content-transfer-encoding:mime-version:message-id:date :subject:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=GKTxfDepAOASvtboGdygz0hOxMNQauCfOA/I6qs8Ids=; b=g7xpm51kvdKoCnI1nZTygu3jKoZqy++dD14nXWm0oKJWZ4bM0MUBFoAnBSVZF1djLv /SgbeuxQVEh+EsGeXXsOaCk0X/FV4Cx8eg/YhR60BjdyHV23XQN/UY+wUrXjpNcGyAuL T5u34h5GzoCKjc41NeM57YtMsGSCqVqe9LE2NxyT1FXcDKAR6C3fEG1eLmqPFlkNJDJW zDP12hYwuThHAeigYBfKuCL/lcyOwyPdfcs3w91GzIToX8xskpd2ikRHTEqHYb8BAPQO 8RR2AMfxGm7eQ1ElWbtqx8TyiCtuV1wss1OcLIO58uPn7t4If+zow/boqP3PbW25D7LP ZpGg== X-Forwarded-Encrypted: i=1; AJvYcCVOaR6QYp0Srqw5oHvStgsPt3ZTULb95T8VU01uOgSLZy5YG0CuwT+BmoohmagXw4kUMasp6ksO1XVE04dcfGVJ4tm3nw+Risb3TFU= X-Gm-Message-State: AOJu0YxP5F7ueOWrv6dtInKwKDN9pGsZFMh+aoXmEw/5ZcZmLEqWzdur vUt/hpTKwpuRlxb48w8YGlhpCnw3B/5fXKU2WU1dUyzyz+aIxxA8o2k1G+Q0ug== X-Google-Smtp-Source: AGHT+IGTHC2QWXZRQO4gJ0793VX7ja5aesUujATsRoC5Hlxul/gYz9PU7GfQvoK3IF5jsveTUHrAtg== X-Received: by 2002:a05:6214:3282:b0:6b0:7c52:ae4e with SMTP id 6a1803df08f44-6b07c52afd1mr26693336d6.24.1718047081987; Mon, 10 Jun 2024 12:18:01 -0700 (PDT) Received: from denia.c.googlers.com (123.178.145.34.bc.googleusercontent.com. [34.145.178.123]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6b06e66ad80sm26224546d6.129.2024.06.10.12.18.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Jun 2024 12:18:01 -0700 (PDT) From: Ricardo Ribalda <ribalda@chromium.org> Subject: [PATCH 0/2] media: uvcvideo: Followup hwtimestamp patches Date: Mon, 10 Jun 2024 19:17:47 +0000 Message-Id: <20240610-hwtimestamp-followup-v1-0-f9eaed7be7f0@chromium.org> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: <linux-media.vger.kernel.org> List-Subscribe: <mailto:linux-media+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-media+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAFtRZ2YC/x3MTQqAIBBA4avErBNUSqyrRIuyKQcqRfsD6e5Jy 2/xXoKIgTBCWyQIeFEkt2eIsgBjh31BRlM2SC4rrgRn9j5ow3gMm2ezW1d3n57JSjemVkqPUkB OfcCZnn/b9e/7AfnfBcNmAAAA To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Ricardo Ribalda <ribalda@chromium.org>, HungNien Chen <hn.chen@sunplusit.com>, Sergey Senozhatsky <senozhatsky@chromium.org>, Tomasz Figa <tfiga@chromium.org>, stable@vger.kernel.org X-Mailer: b4 0.12.4 |
Series |
media: uvcvideo: Followup hwtimestamp patches
|
expand
|
The series https://patchwork.linuxtv.org/project/linux-media/list/?series=12485 was all merged but one patch that Laurent found a bug in the index used. When I tried the fixed patch I found an integer overflow in the timestamp calculations. This bug can be triggered with slow framerates. Signed-off-by: Ricardo Ribalda <ribalda@chromium.org> --- Ricardo Ribalda (2): media: uvcvideo: Fix hw timestamp handling for slow FPS media: uvcvideo: Fix integer overflow calculating timestamp drivers/media/usb/uvc/uvc_video.c | 33 ++++++++++++++++++++++++++++----- drivers/media/usb/uvc/uvcvideo.h | 1 + 2 files changed, 29 insertions(+), 5 deletions(-) --- base-commit: ef1e48f725d30cb18d3f2d40c48f50f483080cf7 change-id: 20240610-hwtimestamp-followup-2489c5668b21 Best regards,