Received: by 2002:ab2:6203:0:b0:1f5:f2ab:c469 with SMTP id o3csp1299608lqt; Sat, 20 Apr 2024 08:53:23 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCWegJ+nSgTPcsCgN1SELojVk2Xi4mH08QA2FjBDp5vr5FycUeakUPHNY2SKJtC56Y2fQj2BfZyQ9g9Hk5edYmOMisBlWHkb8DZBxf8nrQ== X-Google-Smtp-Source: AGHT+IF3Hmcfbk1hrWa7cHs++sVXifzAhSDLueIVrX0uP1jZvVsWoqX5M6IpsV2OdW4obMU6i0VO X-Received: by 2002:a17:902:eb88:b0:1e7:c82a:8323 with SMTP id q8-20020a170902eb8800b001e7c82a8323mr6678673plg.6.1713628403472; Sat, 20 Apr 2024 08:53:23 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1713628403; cv=pass; d=google.com; s=arc-20160816; b=M+B5HSfRYJOKvDKjN4alfVMhfLcmTfcwgnn+Abnkeb+aDVDUsqvnMWaTpKwQ2zUWiZ EsLOM/qvoH5r7esaGEguE6yQQEgi16HSi8M7c6XHCs6ESbMHNbRjrrcDflMiN6JKO77x wUlA6R0IOZx4bD68C8PxdjsZ0DhK8WDQ/JQJm2lLGaV4I6Ru+6WlNLv+DI7dFthRKs5i ER3I/skeyUupoyQwC6KK/V50DYYgEPAzjegrdLFBJ9PImrLBL8bAG5MreQyEBJXfR6xM unGy8NwQy9umdJPMbZrhG1DAvOC+IKDRYnCV2Xqvs71KbqgTnHclg9Nvd0jj2CBhQ4IS 2IRg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:date:message-id; bh=MrauLE7vTIJ56o0G5yI1/rmSGSVS4GvOYwtIC8oySNA=; fh=bWvP2GBUJAxAaPys2+7ZWSsXqrKnCFx8FAEQUDNejwc=; b=d/2gT8AJTYKC/bUDdyXDjuAwXsTjVGDxAuABUDEjmBq8cARFw8Ly+Km5tskWoxJZHR btM0YYafGUTruNZ8TtM7FOBPr8hS03O8HPcyJ7CfYj8X5epjml+max9duNI8GC9WaP3A 5GItaCJhMYoFAEc0yeUsS7c7QcWNpCLyl1ssOUctasuYJnIELGIahYVTnYzGGQ25Yd0q Tvp7O7vuxa4ms062YtLRUUvLt12FivAvGy80+9oLT8oal6GOT6kaZ9OgLQT/3oR+c9C5 zozSk8KP8nCJ1gNs9OAuOJOGY/c3iEE4zKFXocJOQ4pJiGrD3x8GC5PdIK7r06vwLHnk 1Bpw==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; arc=pass (i=1 spf=pass spfdomain=i-love.sakura.ne.jp); spf=pass (google.com: domain of linux-kernel+bounces-152314-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-152314-linux.lists.archive=gmail.com@vger.kernel.org" Return-Path: Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [2604:1380:40f1:3f00::1]) by mx.google.com with ESMTPS id v14-20020a170903238e00b001e3f248a847si5044700plh.84.2024.04.20.08.53.23 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 20 Apr 2024 08:53:23 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-152314-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) client-ip=2604:1380:40f1:3f00::1; 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-152314-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:40f1:3f00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-152314-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 sy.mirrors.kernel.org (Postfix) with ESMTPS id 943C8B2101A for ; Sat, 20 Apr 2024 15:53:19 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id C1B9236B08; Sat, 20 Apr 2024 15:53:13 +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 C6B5727453 for ; Sat, 20 Apr 2024 15:53:11 +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=1713628393; cv=none; b=YFOH8HvcnCuw9/BmjbHRWNOyWJMNJNaiUJ/MJTbOXs0v7wLXacgPEQyy+/VDxgqnqd04f23HuVxd8VHUSNkUdemYttUsG3LrZNTXIdgY1xFwJw4WlDoQgh1L4IyH5KUn6aOecqAhrsX13ihCaduWKTRigwwZJ+8rYLYa53mH7QY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713628393; c=relaxed/simple; bh=MrauLE7vTIJ56o0G5yI1/rmSGSVS4GvOYwtIC8oySNA=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=NAS47NgoEJiaO4o3q8eWsJHIBonGVQqag4sqyvo0dIHSIT5xLFwlcxKbMXb7jl+m57fvwqEdW8R7c5XlsmnybfOjBqFQ8F9XeKE4T29RZoDqgSR1Vwkyqa154bIb9u+UOyC4EKxwtRqmCBOSB8rVeDT3I99klyUs35PeQBoyltM= 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 fsav119.sakura.ne.jp (fsav119.sakura.ne.jp [27.133.134.246]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 43KFr5Ec051961; Sun, 21 Apr 2024 00:53:05 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav119.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav119.sakura.ne.jp); Sun, 21 Apr 2024 00:53:05 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav119.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 43KFr56i051958 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Sun, 21 Apr 2024 00:53:05 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <119e65af-844d-4623-b38a-a635262c86f9@I-love.SAKURA.ne.jp> Date: Sun, 21 Apr 2024 00:53:04 +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] [bpf?] [net?] possible deadlock in swake_up_one To: syzbot , linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000a2b48d061626b3ac@google.com> Content-Language: en-US From: Tetsuo Handa In-Reply-To: <000000000000a2b48d061626b3ac@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