From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out203-205-221-239.mail.qq.com (out203-205-221-239.mail.qq.com [203.205.221.239]) (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 900E5C13B for ; Sun, 23 Mar 2025 10:31:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=203.205.221.239 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742725891; cv=none; b=HxNQFONuDiubKHfdthmiOsVHrvAyYVs4whYK+1pOLb3VRjFEy2izE4tD2BuAl/Guq+cIp+ApJzA0g5RXvFfdsfkmKaqcvWv3+0hcVs4+CyEpfSClWxsL22KKnZ8CtATfd2OZY4zsUsTsp8Fvv42kBgAYzfaL/liocJ9EDt2j/wo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1742725891; c=relaxed/simple; bh=QF2AoGg4scdjGWHF1iTW3PLjW1x1Qy+EIJuQuxRWCIs=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=oxEIbPc9j51+hSCeZfs117JlZQg2MaBr405JJokqmoLfxOxjIl7JxxOI+uktMpa06VRukvLB54kq93yLNuVDFhMb6MXH5gSOR2nn1x9b6jz5o5m9kBj3uzBqS0M++MU7UFsnvLMokDX4PVxMtJsNIRd7iNvwT9WYgPvtXv5r+4g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=wjp5SYyG; arc=none smtp.client-ip=203.205.221.239 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="wjp5SYyG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1742725883; bh=gPZ7ziPiLzQDZVptNglZpYyCmUeSKA9szXDAGJ1TCZE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=wjp5SYyG+C8LT5N8gdms0L5VCbkNQS7FGZvnt75x53b1bx9tbIOL6E79ktR2W6FyZ MWnHSswlsGLJ7OTdOXC+ymNbxnrgIUAyG7nl68ws6PWTGDwx4qRes2AKsG6jbOizgz TqDnsCe6FLvvTk2ZG8rnXoyq4B8t+ZQ8rM/v4kBc= Received: from pek-lxu-l1.wrs.com ([114.244.57.157]) by newxmesmtplogicsvrsza29-0.qq.com (NewEsmtp) with SMTP id 446B280F; Sun, 23 Mar 2025 18:17:06 +0800 X-QQ-mid: xmsmtpt1742725026tqxfyiews Message-ID: X-QQ-XMAILINFO: M/NR0wiIuy70SJl5l0WEAPRClGy+Um0GYnpsbKKdrAkCdSfmmnt1W5vS21eRor Q59xaO9UNjQA5rJJVHjAaTyvn3UUXHzudqJSvrOvVt8JSowDx+m5dlVsxVDPEo6/h5XlXB2c6XCI 1xEE9sYQL0AgskNEJev/55vEtWW7rvrjdLFDaggIkLLkyTWb5DYi9IQRNqJW9aBH8/x8XMVWRCdG p79O7Er/xtByBNHs+UdDlitntVZE2UY25UI4I7nP35SD+qOLpntqaAIQYRrTtRbvEtRLckylTrch 6zxTvJbPUdwlGErckzbxUp+8K1sZxMbAiwzzmhQoeLnPcBuHtSFKMlC5/18v3LYXZT6//6XFEtez Y23YMt7lCkGy68+kKFHes4eM3DCWwaDjd2mszJKycXoZ9A0a5XOpBbi+bvIAjAtKeUj3jgP4YJjI OIIWYWDICFs2HMzk5uK+t+k8b2nf/1GNB9pIRNmXWqtRz6j9gnRM7Lj4mUPMaiIqZX+H9ZXi+jdb FutUs3qM7ZGw8AZNps6MGr8vaHlMps1UGT221Nrz8Mz/d1yUxy171AnlnvGcgiETPwrl1v7qQ51+ Ne/lFpDJQXwmuIFbGKf+j82ioGfbWct9HacWTe09qSj8jSeM9tZ+mgJaV3kHmz2cDDKZNoLVnppl g5k2Bkspm0XCH5uZnCq6ARKwnKMTJLqfnYSYqyMMohOl7NChd1EaoiqwD5l+FLEad+D3pp4zzsK1 thBFN+V00b+knSFiZIIGHqAMQ04J06Cz914gEPpcOvAi0y3M7LRx7VJ4PDBKQ5G/EXJOg0q0ZKkW miVhE0JPsh14MShgTN/s+RbIUvsjmIG/UNGIo99IHBX37tHkHXr1QQ/4nXnKMImS111xAsjNzbQx qR575YJRgPWcg2jtxqWDC55i4Z54Dkie/cmwQsI+chMERRYMN+r6g= X-QQ-XMRINFO: M/715EihBoGSf6IYSX1iLFg= From: Edward Adam Davis To: syzbot+7ea0b96c4ddb49fd1a70@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [ocfs2?] KMSAN: uninit-value in _find_next_bit Date: Sun, 23 Mar 2025 18:17:07 +0800 X-OQ-MSGID: <20250323101706.1245289-2-eadavis@qq.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <67ddd191.050a0220.25ae54.006a.GAE@google.com> References: <67ddd191.050a0220.25ae54.006a.GAE@google.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 #syz test diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c index 2956d888c131..a6e8376045b5 100644 --- a/fs/ocfs2/quota_local.c +++ b/fs/ocfs2/quota_local.c @@ -307,6 +307,12 @@ static int ocfs2_add_recovery_chunk(struct super_block *sb, kfree(rc); return -ENOMEM; } + printk("ents: %u, sb: %p, chunk: %d, blksize: %lu, rcb: %p, inited size: %d, %s\n", + ol_chunk_entries(sb), sb, chunk, sb->s_blocksize, rc->rc_bitmap, + (ol_chunk_entries(sb) + 7) >> 3, __func__); + int bit; + for_each_set_bit(bit, (void*)dchunk->dqc_bitmap, ol_chunk_entries(sb)); + printk("dqc_bitmap inited all chunk entires. %s\n", __func__); memcpy(rc->rc_bitmap, dchunk->dqc_bitmap, (ol_chunk_entries(sb) + 7) >> 3); list_add_tail(&rc->rc_list, head);