From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp153-162.sina.com.cn (smtp153-162.sina.com.cn [61.135.153.162]) (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 E779213D8A4 for ; Mon, 1 Sep 2025 10:31:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=61.135.153.162 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756722706; cv=none; b=mvDAE7Vcw1XB64J9qIMxu+wske0zEmfBSBYsDFpiBMNdN2aA/0oq2H0KtgFV/RePfS1m1bwlTEtWYgRke91/dGnvO1bhtfnGqOrZ4YGgDUnnPScK1351cdbVnVO9VweIoQlLDuWFYVho9Emng4yogQOeTo/Vs6hVFKZlpQbtH00= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756722706; c=relaxed/simple; bh=hWpH2tUFMzIxUSiCE6ERq9LKJUNR3bZ4105Qs5jaA0Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YVy7CdQqBFJiVtWPNqOQRxUTbxfGbEJcN6UElo7sv8aKHYuEk2VQp2r5x/aMwGCtn/1Gtp0jgarHfgcrVaTYu+GrkH0lOsCHTO4rSCfV4argPk5LMiPvx6QH6B+SMIt0XUE4IdC1gcWLYXNMljJ4un2DP1a93uSE5lYG5n80Pb4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com; spf=pass smtp.mailfrom=sina.com; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b=yvKfEiOe; arc=none smtp.client-ip=61.135.153.162 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sina.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sina.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=sina.com header.i=@sina.com header.b="yvKfEiOe" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1756722699; bh=05AtvCc7k+4lVyxmaQERwndqLXMgTJAgkCeFIgMeQdA=; h=From:Subject:Date:Message-ID; b=yvKfEiOe4/RyMfKhb/6iQFX7vDSAPU+Mse0Ni+ane19i9kp9+L6EIWkEi3bmx7VKx qySTttaHWvOk+VVhiTTGfdoSA8XoJBtWLD6+mOtcEEnL5326AACXb+bhFtqpXYx+mt pLPuIKm45RdJXnVBs/olXIstABzHN82Ih1dLpbOQ= X-SMAIL-HELO: localhost.localdomain Received: from unknown (HELO localhost.localdomain)([114.249.58.236]) by sina.com (10.54.253.31) with ESMTP id 68B575DC00003C10; Mon, 1 Sep 2025 18:30:54 +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: 2021916816225 X-SMAIL-UIID: 4FFAF1C64D0E43CB996E117F18996D44-20250901-183054-1 From: Hillf Danton To: "Michael S. Tsirkin" Cc: syzbot , jasowang@redhat.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, Mike Christie , stefanha@redhat.com Subject: Re: [syzbot] [kvm?] [net?] [virt?] INFO: task hung in __vhost_worker_flush Date: Mon, 1 Sep 2025 18:30:42 +0800 Message-ID: <20250901103043.6331-1-hdanton@sina.com> In-Reply-To: <20240816141505-mutt-send-email-mst@kernel.org> References: 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 Fri, 16 Aug 2024 14:17:30 -0400 "Michael S. Tsirkin" wrote: > > Must be this patchset: > > https://lore.kernel.org/all/20240316004707.45557-1-michael.christie@oracle.com/ > > but I don't see anything obvious there to trigger it, and it's not > reproducible yet... Mike looks innocent as commit 3652117f8548 failed to survive the syzbot test [1] [1] https://lore.kernel.org/lkml/68b55f67.050a0220.3db4df.01bf.GAE@google.com/