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From:   Chuck Lever <chuck.lever@oracle.com>
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Subject: [GIT PULL] Please pull first round of NFS server -rc fixes for v5.7
Message-Id: <AC510313-C744-4F22-82F7-F75F20F4B073@oracle.com>
Date:   Thu, 23 Apr 2020 10:36:39 -0400
Cc:     Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
        linux-rdma <linux-rdma@vger.kernel.org>,
        linux-fsdevel <linux-fsdevel@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>
To:     Linus Torvalds <torvalds@linux-foundation.org>
Sender: linux-nfs-owner@vger.kernel.org
Precedence: bulk

Hi Linus-

As promised, here is the first set of 5.7-rc fixes for NFS server =
issues.
These were all unresolved at the time the 5.7 window opened, and needed
some additional time to ensure they were correctly addressed. They are
ready now.

At the moment I know of one more urgent issue regarding the NFS server.
A fix has been tested and is under review. I expect to send one more
"5.7-rc fixes" PR, containing this fix (which now consists of 3 =
patches).


The following changes since commit =
8f3d9f354286745c751374f5f1fcafee6b3f3136:

  Linux 5.7-rc1 (2020-04-12 12:35:55 -0700)

are available in the Git repository at:

  git://git.linux-nfs.org/projects/cel/cel-2.6.git tags/nfsd-5.7-rc-1

for you to fetch changes up to 23cf1ee1f1869966b75518c59b5cbda4c6c92450:

  svcrdma: Fix leak of svc_rdma_recv_ctxt objects (2020-04-17 12:40:38 =
-0400)

----------------------------------------------------------------
Fixes:

- Address several use-after-free and memory leak bugs

- Prevent a backchannel livelock

----------------------------------------------------------------
Chuck Lever (3):
      SUNRPC: Fix backchannel RPC soft lockups
      svcrdma: Fix trace point use-after-free race
      svcrdma: Fix leak of svc_rdma_recv_ctxt objects

Vasily Averin (1):
      nfsd: memory corruption in nfsd4_lock()

Yihao Wu (1):
      SUNRPC/cache: Fix unsafe traverse caused double-free in =
cache_purge

 fs/nfsd/nfs4callback.c                     |  4 +++-
 fs/nfsd/nfs4state.c                        |  2 ++
 include/linux/sunrpc/svc_rdma.h            |  1 +
 include/trace/events/rpcrdma.h             | 50 =
++++++++++++++++++++++++++++++++++++--------------
 net/sunrpc/cache.c                         |  5 +++--
 net/sunrpc/svc_xprt.c                      |  5 ++---
 net/sunrpc/svcsock.c                       |  4 ++++
 net/sunrpc/xprtrdma/svc_rdma_backchannel.c |  2 ++
 net/sunrpc/xprtrdma/svc_rdma_recvfrom.c    | 22 ++++++++++++++++++++++
 net/sunrpc/xprtrdma/svc_rdma_rw.c          |  3 +--
 net/sunrpc/xprtrdma/svc_rdma_sendto.c      | 29 =
++++++++++++-----------------
 net/sunrpc/xprtrdma/svc_rdma_transport.c   |  5 -----
 net/sunrpc/xprtsock.c                      |  1 +
 13 files changed, 89 insertions(+), 44 deletions(-)

--
Chuck Lever