From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86CE3C433F5 for ; Mon, 16 May 2022 12:42:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230428AbiEPMmu (ORCPT ); Mon, 16 May 2022 08:42:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48442 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231545AbiEPMmu (ORCPT ); Mon, 16 May 2022 08:42:50 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [IPv6:2604:1380:40e1:4800::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB2E938BD7 for ; Mon, 16 May 2022 05:42:48 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sin.source.kernel.org (Postfix) with ESMTPS id 27108CE1305 for ; Mon, 16 May 2022 12:42:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E120C385AA; Mon, 16 May 2022 12:42:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1652704965; bh=MVcTHHty/CKfKHfvL8lZlsfSgvRRIXcBewaIYOMibZc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=cAunEOKy7whC6vRLc63ryD4AFkL/eL4Wp8sl7YFaOlKY7RWChio4Gidnik2UFg5V+ PMLsWRt0k79OyIDrva0iYz/OOHj+5j1fJTBr3RYQP/x30frR8vfGdbXLrQhlnML+Ij ANv5mmvx1f1LI1vxLtnP4n4A1KRBZULdGNfbu9lU= Date: Mon, 16 May 2022 14:42:42 +0200 From: Greg KH To: Meena Shanmugam Cc: stable@vger.kernel.org, trond.myklebust@hammerspace.com Subject: Re: Request to cherry-pick f00432063db1 to 5.10 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Fri, May 13, 2022 at 11:14:51AM -0700, Meena Shanmugam wrote: > On Fri, May 13, 2022 at 1:25 AM Greg KH wrote: > > > > On Thu, May 12, 2022 at 10:38:04AM -0700, Meena Shanmugam wrote: > > > On Thu, May 12, 2022 at 9:23 AM Greg KH wrote: > > > > > > > > On Tue, May 10, 2022 at 07:33:23PM -0700, Meena Shanmugam wrote: > > > > > Hi all, > > > > > > > > > > The commit f00432063db1a0db484e85193eccc6845435b80e upstream (SUNRPC: > > > > > Ensure we flush any closed sockets before xs_xprt_free()) fixes > > > > > CVE-2022-28893, hence good candidate for stable trees. > > > > > The above commit depends on 3be232f(SUNRPC: Prevent immediate > > > > > close+reconnect) and 89f4249(SUNRPC: Don't call connect() more than > > > > > once on a TCP socket). Commit 3be232f depends on commit > > > > > e26d9972720e(SUNRPC: Clean up scheduling of autoclose). > > > > > > > > > > Commits e26d9972720e, 3be232f, f00432063db1 apply cleanly on 5.10 > > > > > kernel. commit 89f4249 didn't apply cleanly. I have patch for 89f4249 > > > > > below. > > > > > > > > We also need this for 5.15.y first, before we can apply it to 5.10.y. > > > > Can you provide a working backport for that tree as well? > > > > > > > > And as others pointed out, your patch is totally corrupted and can not > > > > be used, please fix your email client. > > > > > > > > thanks, > > > > > > > > greg k-h > > > > > > For 5.15.y commit f00432063db1a0db484e85193eccc6845435b80e((SUNRPC: > > > Ensure we flush any closed sockets before xs_xprt_free())) applies > > > cleanly. The depend patch > > > 3be232f(SUNRPC: Prevent immediate close+reconnect) also applies > > > cleanly. Patch 89f4249 > > > (SUNRPC: Don't call connect() more than once on a TCP socket) is > > > already present in 5.15.34 onwards. > > > > > > Sorry about the patch corruption, I will fix it. > > > > Sorry, but this did not work out at all, I get build errors when > > attempting it for 5.10.y: > > > > CC [M] net/sunrpc/xprtsock.o > > net/sunrpc/xprtsock.c: In function ‘xs_tcp_setup_socket’: > > net/sunrpc/xprtsock.c:2276:13: error: too few arguments to function ‘test_and_clear_bit’ > > 2276 | if (test_and_clear_bit(XPRT_SOCK_CONNECT_SENT), > > | ^~~~~~~~~~~~~~~~~~ > > In file included from ./arch/x86/include/asm/bitops.h:391, > > from ./include/linux/bitops.h:29, > > from ./include/linux/kernel.h:12, > > from ./include/asm-generic/bug.h:20, > > from ./arch/x86/include/asm/bug.h:93, > > from ./include/linux/bug.h:5, > > from ./include/linux/mmdebug.h:5, > > from ./include/linux/gfp.h:5, > > from ./include/linux/slab.h:15, > > from net/sunrpc/xprtsock.c:24: > > ./include/asm-generic/bitops/instrumented-atomic.h:81:20: note: declared here > > 81 | static inline bool test_and_clear_bit(long nr, volatile unsigned long *addr) > > | ^~~~~~~~~~~~~~~~~~ > > net/sunrpc/xprtsock.c:2276:55: warning: left-hand operand of comma expression has no effect [-Wunused-value] > > 2276 | if (test_and_clear_bit(XPRT_SOCK_CONNECT_SENT), > > | ^ > > net/sunrpc/xprtsock.c:2312:17: warning: this statement may fall through [-Wimplicit-fallthrough=] > > 2312 | set_bit(XPRT_SOCK_CONNECT_SENT, &transport->sock_state); > > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > net/sunrpc/xprtsock.c:2313:9: note: here > > 2313 | case -EALREADY: > > | ^~~~ > > make[2]: *** [scripts/Makefile.build:280: net/sunrpc/xprtsock.o] Error 1 > > make[1]: *** [scripts/Makefile.build:497: net/sunrpc] Error 2 > > > > > > And I am not quite sure what order you want me to apply things for 5.15.y. > > > > So please, send me a properly backported series of patches for this for 5.15.y > > and 5.10.y and I will be glad to pick them up. Right now I'm just confused as > > this was obviously not tested at all :( > > > > thanks, > > > > greg k-h > > I tested my original patch(which was corrupted by email client). > When the patch is manually backported to fix white space, the patch > was fixed wrongly :( > I sent my original patch again for 5.10.y without any corruption. > Sorry for the inconvenience caused. > > For 5.15.y, this is the cherry-pick order: > > 3be232f11a3cc9b0ef0795e39fa11bdb8e422a06(SUNRPC: Prevent immediate > close+reconnect) Already in 5.15.34. > f00432063db1a0db484e85193eccc6845435b80e(SUNRPC: Ensure we flush any > closed sockets before xs_xprt_free()) Now queued up, thanks. greg k-h