From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.5]) by smtp.subspace.kernel.org (Postfix) with ESMTP id BEFD218C346; Fri, 25 Oct 2024 06:18:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.5 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729837093; cv=none; b=gLGwTGt54u/+HbvyZPa4b3zKUZMWhBcvgc3J84txWICfn2OM5VcDzkXoz4AA2h5lssGV6pT+lxC5we53hUAMrsw4+0mVJCyyQiNg5jz37spLCggs8tzI1imiACzNJzxD3Q/14jPzKM8qofotjD8HZd2TjEZoxVSasPBPyCDlCmI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729837093; c=relaxed/simple; bh=2nyYr3pCSkfs9TcMjtrwxXmMYdE5WjKJFzBM7ud4rJg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HXUrItNqLYiA3HlKQOFfjOzHgK9JnxXeG6UZlP9rAC0cVlGGIYIy2TygsKAzIIBcLyJKjefJ6nuWN5gktIrI0Mp9789tWJuYBichNh7m1QTXEEUNhso8JU/5ST/eGRnTJd284GyuxodRh/yGM9ssdd5yxi2uWid/yoFgZDQogTw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=XDUWc2F8; arc=none smtp.client-ip=220.197.31.5 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="XDUWc2F8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Message-ID:MIME-Version: Content-Type; bh=AYP4qbZ3o+CMsl4aAqLA3W1YHtZzQfPTOIWKI8N9y0c=; b=XDUWc2F8rrXOpgPRMEQp3adLb+kRbAseHGod+iQCA1DIyxDlKmxPrE4KkePL2b tqt9kTDPojO8z0dFMM/Ib0iB0dhoN+SovbCv7wbxlbHTPIRc4Qeyc2nK6ZbgqnKK FrKtAh3MdeOPHfvK5nuhBwwhk7LCi+PXpn1+bGY1lrHpY= Received: from localhost (unknown [36.5.190.42]) by gzsmtp5 (Coremail) with SMTP id QCgvCgCXBFYLOBtntrOeBQ--.18141S2; Fri, 25 Oct 2024 14:17:47 +0800 (CST) Date: Fri, 25 Oct 2024 14:17:47 +0800 From: Qianqiang Liu To: Alexander Shishkin Cc: namhyung@kernel.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] perf/x86/intel/pt: Fix NULL pointer dereference in pt_buffer_reset_markers Message-ID: References: <20241001082757.111385-2-qianqiang.liu@163.com> <87bjz9vjih.fsf@ubik.fi.intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87bjz9vjih.fsf@ubik.fi.intel.com> X-CM-TRANSID:QCgvCgCXBFYLOBtntrOeBQ--.18141S2 X-Coremail-Antispam: 1Uf129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UbIYCTnIWIevJa73UjIFyTuYvj4RLa9-UUUUU X-CM-SenderInfo: xtld01pldqwhxolxqiywtou0bp/1tbiLxiDamcbNrUd8wAAsP > So no, not a bug. It might deserve a comment explaining the above logic, > so that more versions of this patch don't get generated from static > analyzers' reports. Got it, thanks! -- Best, Qianqiang Liu