From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail114-241.sinamail.sina.com.cn (mail114-241.sinamail.sina.com.cn [218.30.114.241]) (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 7D8A84E1C8 for ; Wed, 1 May 2024 07:50:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=218.30.114.241 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714549862; cv=none; b=COgK35KRbuz7PxO1bcaa2kVPtJcXIWA0oKYqDRXmDTEbkgwgRGCk97J2SaOrSNSBay4a87LEYxT+dRx4JER6s0L93JbnYLGLJusA6fj9hQGofJzCd74fZcIT6BXAB2HWImELnAKUhE1BJmagbHHLBsKYH7LoaUs/9E4GL49Kv/I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714549862; c=relaxed/simple; bh=Nvscq/NT9/+j/DykFVg7/tQ7d07STWFJVXZA2SanBcQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=tjbVYXaxPCuk/4DLa5ruhmlcLqe6RCIZsBdiFrFpKMvncnx90vMMWZn0JVspPbp8xfbUemssb82orWFHyYKqeYi/8XgTXJQEzZI7hPoZqk8892QR3qcwDQy5cptjliZ6HbpmLRTFBOCuIQ3CVG+40I91aMQev20e5WWQlliL5LE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sina.com; spf=pass smtp.mailfrom=sina.com; arc=none smtp.client-ip=218.30.114.241 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([116.24.11.115]) by sina.com (172.16.235.24) with ESMTP id 6631F45C00003840; Wed, 1 May 2024 15:50:54 +0800 (CST) X-Sender: hdanton@sina.com X-Auth-ID: hdanton@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=hdanton@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=hdanton@sina.com X-SMAIL-MID: 99969545089450 X-SMAIL-UIID: 6B92299AF328438ABAD25F19B01E92F2-20240501-155054-1 From: Hillf Danton To: "Michael S. Tsirkin" Cc: Mike Christie , Edward Adam Davis , syzbot+98edc2df894917b3431f@syzkaller.appspotmail.com, jasowang@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, virtualization@lists.linux.dev Subject: Re: [PATCH next] vhost_task: after freeing vhost_task it should not be accessed in vhost_task_fn Date: Wed, 1 May 2024 15:50:57 +0800 Message-Id: <20240501075057.1670-1-hdanton@sina.com> In-Reply-To: <20240501020057-mutt-send-email-mst@kernel.org> References: <20240501001544.1606-1-hdanton@sina.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On Wed, 1 May 2024 02:01:20 -0400 Michael S. Tsirkin > > and then it failed testing. > So did my patch [1] but then the reason was spotted [2,3] [1] https://lore.kernel.org/lkml/20240430110209.4310-1-hdanton@sina.com/ [2] https://lore.kernel.org/lkml/20240430225005.4368-1-hdanton@sina.com/ [3] https://lore.kernel.org/lkml/000000000000a7f8470617589ff2@google.com/