From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp134-24.sina.com.cn (smtp134-24.sina.com.cn [180.149.134.24]) (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 668E578F55 for ; Tue, 10 Dec 2024 10:45:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=180.149.134.24 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733827542; cv=none; b=hwm9oCS+/M3fHhdzJDjYZBadTY/2XnmqFPYfqBvhaZqi6s99r7fpZi2+3xO1Y1WmwMoJw9IjEm3riYk/0IrikYAGNU2gopFsnh44aizivGz1Zr8NY7ZAIxA2w4eXyRh/2LUAbQufunLnWGuwamdwv44F3sxB+L0taYB4rx62/Mg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733827542; c=relaxed/simple; bh=xyDY9P9e64Gb89JU9S5lSpXhlR4GxzUM1qNPx7vgQR4=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=fl6ND47X7XkyiRwczTqYqSl99OluoFujvJRsMD0lz3KWD88HsszIdXu6r6k6yBIfx1O5f5t/JDslSIhSsVtgj/1I4i4m/dkppmQ1fTCVPXem5hpZlTh8e5NAKyPjUgcvDkrD0QhLkFBb0xdyBjFYBEOg26hPiMYdM+xvGGyW360= 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=180.149.134.24 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)([113.88.49.2]) by sina.com (10.185.250.21) with ESMTP id 67581B9F00006332; Tue, 10 Dec 2024 18:44:52 +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: 9175433408030 X-SMAIL-UIID: CA4A6274C05B459DAF365F7B45EA8373-20241210-184452-1 From: Hillf Danton To: syzbot Cc: boqun.feng@gmail.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [block?] possible deadlock in blk_mq_submit_bio Date: Tue, 10 Dec 2024 18:44:39 +0800 Message-Id: <20241210104439.1770-1-hdanton@sina.com> In-Reply-To: <675742b5.050a0220.2477f.0054.GAE@google.com> 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 Mon, 09 Dec 2024 11:19:17 -0800 > syzbot has found a reproducer for the following issue on: > > HEAD commit: fac04efc5c79 Linux 6.13-rc2 > git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=147528f8580000 #syz test: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-6.14/block