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[139.178.88.99]) by mx.google.com with ESMTPS id z8-20020a656108000000b005d8b8c6a98bsi5024517pgu.588.2024.04.20.08.51.43 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Apr 2024 08:51:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-152313-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=i-love.sakura.ne.jp); spf=pass (google.com: domain of linux-kernel+bounces-152313-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-152313-linux.lists.archive=gmail.com@vger.kernel.org" Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 6E2D62817AB for ; Sat, 20 Apr 2024 15:51:43 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id E75BB374C1; Sat, 20 Apr 2024 15:51:37 +0000 (UTC) Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E3E28168CC for ; Sat, 20 Apr 2024 15:51:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=202.181.97.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713628297; cv=none; b=mxLyZddJbhmnWmhVBGKNk9iAFF9Ssm06Q23ORiED808k5I3QKJmjyqXyq+Y3byVGD8mh5IuTctJ+BZDzruVQUdcPULIfbg19HhsQ4kpk+CgoffyGJU769Xif1y9tl3FTj3ldvlnERPmTvQGzwIgLtr8eRituvQ1rou1WxQrVifg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713628297; c=relaxed/simple; bh=MrauLE7vTIJ56o0G5yI1/rmSGSVS4GvOYwtIC8oySNA=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=tuI9uwQWkwSi5/6QGvPZ6Px92Jq2P0l+3BFcrvo74hSB7i+Q3C124a1waXzMU4lcJBfPX4xB6fdQpT1uCDKR72mMafUckPdwspY6OXA88ZIL4fx5HVNyBpxbmdKJOxVEzUQkn+mZCMuCY9ScH3HDWdNZpHIj4nGBGMKNYNk8T64= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=I-love.SAKURA.ne.jp; spf=pass smtp.mailfrom=I-love.SAKURA.ne.jp; arc=none smtp.client-ip=202.181.97.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=I-love.SAKURA.ne.jp Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=I-love.SAKURA.ne.jp Received: from fsav412.sakura.ne.jp (fsav412.sakura.ne.jp [133.242.250.111]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 43KFpUxO051681; Sun, 21 Apr 2024 00:51:30 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav412.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav412.sakura.ne.jp); Sun, 21 Apr 2024 00:51:30 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav412.sakura.ne.jp) Received: from [192.168.1.6] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 43KFpTUM051678 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Sun, 21 Apr 2024 00:51:30 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <4ee4200e-1c44-4598-8b5e-e839c8d9aa33@I-love.SAKURA.ne.jp> Date: Sun, 21 Apr 2024 00:51:29 +0900 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [syzbot] [net?] [bpf?] possible deadlock in posix_timer_fn (2) To: syzbot , linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000501d2906162930ae@google.com> Content-Language: en-US From: Tetsuo Handa In-Reply-To: <000000000000501d2906162930ae@google.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit #syz fix: bpf, sockmap: Prevent lock inversion deadlock in map delete elem