From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail115-79.sinamail.sina.com.cn (mail115-79.sinamail.sina.com.cn [218.30.115.79]) (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 E8371D50F for ; Sun, 28 Jan 2024 07:54:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=218.30.115.79 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706428480; cv=none; b=R5VCCiV7E5ifHaltInCeQK5rTPuSeDhtk8DkwJ7k5BwOR2vr4zHjywgi8E3z1xokWx/6dOwTdysIMlv1KHimxbo90biYlnrM3RPI3AJRY84XWbm2eb972BAfwU21u6fq5HOhCSr25GvDi6HcFbAJQnp+VHPgSk7gnec2paQbwKU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706428480; c=relaxed/simple; bh=Da4WDq5HfuRP5KeCLqU386YWmOl7/PEp4QQBQqqilBQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=pLBPEoyIf+DAAkr1+Xn3eLwlB+eeFfNF9z+TW4ULMZRGCO2t0OJif6dcANn7FCOjAD540rd8ewPWfZN8qcIdsExzOvxDxsWyKBfHr+5iU6oytzNSFl7oSwNROX/rwvHDPvEoIItX2xHte12NMSWnIJCCOzeKwXQh+QofUI4uzuo= 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=218.30.115.79 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)([113.118.68.210]) by sina.com (10.75.12.45) with ESMTP id 65B6080A000073EA; Sun, 28 Jan 2024 15:53:49 +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: 90553131457786 X-SMAIL-UIID: 751044471A7F4D6C9BC4786BB680DF9C-20240128-155349-1 From: Hillf Danton To: syzbot Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [overlayfs?] possible deadlock in seq_read_iter (2) Date: Sun, 28 Jan 2024 15:53:40 +0800 Message-Id: <20240128075340.1015-1-hdanton@sina.com> In-Reply-To: <0000000000008efd70060ce21487@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 Tue, 19 Dec 2023 11:43:27 -0800 > syzbot has found a reproducer for the following issue on: > > HEAD commit: 2cf4f94d8e86 Merge tag 'scsi-fixes' of git://git.kernel.or.. > git tree: upstream > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=154aa8d6e80000 #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master