Received: by 2002:ab2:7b86:0:b0:1f7:5705:b850 with SMTP id q6csp1121063lqh; Sun, 5 May 2024 18:05:00 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCWh423fGAC0ivDNyRTBmKWP2+NPhLK/WklaqAbaVTmM0SuI+WuqPcFrpy+lsTeOFPl+5OtHBPQ1Ohln5LZVy9XWV79/whkrxZg5ko7W/Q== X-Google-Smtp-Source: AGHT+IG2vGsGS6Alm/58EFdjtt69jrKVhlbRZM5MQ602l8GY/15ASqz5TZXw1hEiVOdT/WF29ws5 X-Received: by 2002:a05:6a00:1483:b0:6ed:1012:9565 with SMTP id v3-20020a056a00148300b006ed10129565mr10466251pfu.15.1714957499877; Sun, 05 May 2024 18:04:59 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1714957499; cv=pass; d=google.com; s=arc-20160816; b=JSFtls0uKLh1HGE9wr/Vt3vBc/pxJquOLLu3AGuXiI8QOblsgF8vnaGpKJYEjqJVt4 r26zCthEZE6bEI3yuM1s1u7BBfKrKGSDWjub1rFZYbjrC8YVJ5SZx2kJY9AqpqI0FmmU x6XC1SZlhVpWeFIisPmJYDewESItpBpTHmFlkRwVkdI7yXXZO4uDUufsOze0BRFgBfS9 CmUGQTo+4uhp+eWUcwgkYHF8cfPeYafiWYpcEGz6HozGoqqRZyOsGXKLVz3m1Ga1zXsS whPi9NcqvyDxfEBhopdQROhYVBeltTXHtPrO7RU0a7uzH/jxQUPYNx0m3V12Vpmvjlc/ azEw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=to:from:subject:message-id:in-reply-to:date:mime-version :list-unsubscribe:list-subscribe:list-id:precedence; bh=XZwooSF6JNScgbnDloJcJT9Ooy92PX+xv5XwI308Vxc=; fh=V9AeBafJgTW96HdC48wsxGAfd7Fe9P2uAL8tLCjpUN4=; b=MHtyadCzoURois8R5QScuPdu38rlt7xV+s2JBOwTIY/R0pAfCzf1RZwgaAHS916+WN 4RLc3sQe5MH7Oe65ltIELvA7kfQ6BmiuQNTrX55ORQ/MPcRU3azbN/Rf+xWa6jVeAI/d ezWhZS8YlJcY7dZlLls/MwjWsSfSowQfEuco/dfXB8+d0upZjVWY34uwPVzJwUMDhS+F urpKIRDpkxZEyV6PONwxybajM8j7yxQBGLsxOs5YsxqVvWAuzWbY5sFYMdQqJ4v/rlEg gVrE5tTx6henRKl7aWsrnS00e3Jpl6MBoGzFB4B8UQB5uUZm+znO0og7G/1mobiVNAnd Ujww==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; arc=pass (i=1 spf=pass spfdomain=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com); spf=pass (google.com: domain of linux-kernel+bounces-169218-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-169218-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com Return-Path: Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org. [147.75.48.161]) by mx.google.com with ESMTPS id m184-20020a633fc1000000b00600b4a5892bsi7440982pga.160.2024.05.05.18.04.59 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 05 May 2024 18:04:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-169218-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) client-ip=147.75.48.161; Authentication-Results: mx.google.com; arc=pass (i=1 spf=pass spfdomain=m3kw2wvrgufz5godrsrytgd7.apphosting.bounces.google.com); spf=pass (google.com: domain of linux-kernel+bounces-169218-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.48.161 as permitted sender) smtp.mailfrom="linux-kernel+bounces-169218-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=appspotmail.com 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 892B9B20B64 for ; Mon, 6 May 2024 01:04:56 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 7EA723B7A8; Mon, 6 May 2024 01:04:49 +0000 (UTC) Received: from mail-io1-f71.google.com (mail-io1-f71.google.com [209.85.166.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AC2D06FBF for ; Mon, 6 May 2024 01:04:47 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714957489; cv=none; b=NniEuxb78hMW3/HaUOmtCGKGpD5gVHRAFEBMGRntmYXnSgkbKpZQzEr6uK+pm/yEq06OUN5rwBbggYfO4lxfK43DzzR2UblcK3gX0+d29z+cOoy2xa/scpS00xi4UzkWZdwJY5Buw3VtIsACCE+WP3P5k+4yGd7D7u5SJwwNxJE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714957489; c=relaxed/simple; bh=2xaAwOXDoxpsY3oIsibI4NWl1MwDWFpCXdFaT0HaBq0=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=drAMczyfieFWHvKdTN0lcHtz/2IrJF0kQhA1CI7fwZIT1WeP4Dx2fY0V6+x5+qDodK7jwHx0LqWebTp5iewqNRUtqhxNQAliTP/iaOSfisAKviDxWdJiqRflVGf2GLMxiEfYwsaZ/78o1IO7e9Ggr7KJhq/TN27cbWG4sBcQqgw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f71.google.com with SMTP id ca18e2360f4ac-7dec3c5ec72so192903039f.2 for ; Sun, 05 May 2024 18:04:47 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714957486; x=1715562286; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=XZwooSF6JNScgbnDloJcJT9Ooy92PX+xv5XwI308Vxc=; b=p86LvbvNQOwJsJdm2ViSMBJ0A3m5ZT0Yv1KdOisv+JTtScam7wY2syXLU+n5Q5b2XW BgdZtGnrANAlYrWGbZ+BIIsjKHb9aBUSQ7Y0CDbg8X/Yfd8gAj3b/jatlrR5ETxvh2v6 JHwtp7MnlJZbF3XenCmxJ66QkPktgobQzVSllByNPk0cvciez+0FtRrU/yVSANzABLYZ pqbY989kYn878WySCA2kDmZIn4zP1cnM703U2sA5YStMTjNHyQojl1z6isl9xKiewpTX 2A9Hi7Llu1S745bl+ocHguyweAFkS/KNhxT7N3Sb8u0358rPs7jY6AzvvM+3cZvEJVN6 1Ffg== X-Gm-Message-State: AOJu0YwPINN1RysTfoK+d4D3A/xkjowin1vS1zYOZvf++Qdv/QWZjSzY qCI8L4YNkFhgW5wkipJrNP8+jH7u7yEGWjr+yrFSv6oTW7lz3l/gfU0iDka3KMWNxEyQHU4452D PsdQSsHeY8kkqhsNS53LtlP7FBmclIZk0DpslckUpp6KVhU8Scz9Ctj4= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1c02:b0:36c:5520:9597 with SMTP id l2-20020a056e021c0200b0036c55209597mr320739ilh.6.1714957486797; Sun, 05 May 2024 18:04:46 -0700 (PDT) Date: Sun, 05 May 2024 18:04:46 -0700 In-Reply-To: <0000000000000498630617b740d3@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000ce43380617bea7d1@google.com> Subject: Re: [syzbot] [syzbot] [bcachefs?] UBSAN: shift-out-of-bounds in rewrite_old_nodes_pred From: syzbot To: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" For archival purposes, forwarding an incoming command email to linux-kernel@vger.kernel.org. *** Subject: [syzbot] [bcachefs?] UBSAN: shift-out-of-bounds in rewrite_old_nodes_pred Author: lizhi.xu@windriver.com #syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 7367539ad4b0 diff --git a/fs/bcachefs/move.c b/fs/bcachefs/move.c index bf68ea49447b..1768d46980e9 100644 --- a/fs/bcachefs/move.c +++ b/fs/bcachefs/move.c @@ -983,7 +983,7 @@ static bool bformat_needs_redo(struct bkey_format *f) if ((f->bits_per_field[i] == unpacked_bits) && field_offset) return true; - if (((field_offset + ((1ULL << f->bits_per_field[i]) - 1)) & + if (((field_offset + (1ULL << (f->bits_per_field[i] - 1))) & unpacked_mask) < field_offset) return true;