From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp153-141.sina.com.cn (smtp153-141.sina.com.cn [61.135.153.141]) (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 E608F3C4174 for ; Fri, 11 Sep 2026 07:56:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=61.135.153.141 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789113408; cv=none; b=FgbQc0mPNuODtNCkjV4mEFXJRWxyX7Qn/EuStEqJBaAk4FQoWcpHvA5eX85otXGQb3SIhgjjmaPKoTDE/2p43pB655Toxr2YFrbSKM0j05k23WFCIz40EGre/RlD/4KdEJLDPOtdwFVS4iGeNzdNsVqxY+2Un3AUHKRX50qo6yo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789113408; c=relaxed/simple; bh=1kO5v6pum/Xofy7nh/yA+kWIHZRi/oyS7Lo8Xpua68w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=FK1uZJgQWximLFZh0gOxxi9JqmfmhANSb/ibB+JkUxHYD96hxlNrdq/c8PRYnl8/avITLY5yujFavFl2YCBIreBsUMjaHiyMnbSe20mjjMiexBVH/IJJwlCUvzx8yflcFB8ziqB+NXV81BQ2/9pISZBr0QrkzLhtstLZBRZY3DY= 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=0O4o0Mbc; arc=none smtp.client-ip=61.135.153.141 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="0O4o0Mbc" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sina.com; s=201208; t=1789113401; bh=pXNzrZ6nVZI8zG++63+WyCyZ8muprY/4JU64d3K8qRg=; h=From:Subject:Date:Message-ID; b=0O4o0MbcWsrrcvdxuZmQHTZYq34Md+wdqj0l97QTSLsrxx296CszDhZOBZNrl4tF5 AlUHvdfgbGGNMVMcU5dsG+Y56heprnJemZkA38jQUV44MmB8ETk4tDd8+36RIAA3md mh+VpE7oSV2yDz3FiLMnFT06HG8HfbS/SFBxbUVs= X-SMAIL-HELO: lxu-ped-host.. Received: from unknown (HELO lxu-ped-host..)([111.198.231.89]) by sina.com (10.54.253.31) with ESMTP id 6AA3B40E00001264; Fri, 11 Sep 2026 15:56:01 +0800 (CST) X-Sender: eadavis@sina.com X-Auth-ID: eadavis@sina.com Authentication-Results: sina.com; spf=none smtp.mailfrom=eadavis@sina.com; dkim=none header.i=none; dmarc=none action=none header.from=eadavis@sina.com X-SMAIL-MID: 719346815919 X-SMAIL-UIID: 82D125B4C73E4C4C8B8B56185D201A21-20260911-155601-1 From: Edward Adam Davis To: syzbot+743079a09058321247d8@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [jffs2?] possible deadlock in jffs2_do_clear_inode (2) Date: Fri, 11 Sep 2026 15:55:58 +0800 Message-ID: <20260911075558.849153-1-eadavis@sina.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <6aa351f4.6e6c5f9e.28f11f.003b.GAE@google.com> References: <6aa351f4.6e6c5f9e.28f11f.003b.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 From: Edward Aadm Davis #syz test: upstream 50d05c7c76c9 diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c index 411de8b361b2..1ce17e265159 100644 --- a/fs/jffs2/malloc.c +++ b/fs/jffs2/malloc.c @@ -246,7 +246,11 @@ void jffs2_free_node_frag(struct jffs2_node_frag *x) struct jffs2_inode_cache *jffs2_alloc_inode_cache(void) { struct jffs2_inode_cache *ret; + unsigned int nofs_flag; + + nofs_flag = memalloc_nofs_save(); ret = kmem_cache_alloc(inode_cache_slab, GFP_KERNEL); + memalloc_nofs_restore(nofs_flag); dbg_memalloc("%p\n", ret); return ret; }