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Date:   Sat,  9 May 2020 01:05:27 +0200
From:   Daniel Borkmann <>
Subject: pull-request: bpf 2020-05-09

Hi David,

The following pull-request contains BPF updates for your *net* tree.

We've added 4 non-merge commits during the last 9 day(s) which contain
a total of 4 files changed, 11 insertions(+), 6 deletions(-).

The main changes are:

1) Fix msg_pop_data() helper incorrectly setting an sge length in some
   cases as well as fixing bpf_tcp_ingress() wrongly accounting bytes
   in sg.size, from John Fastabend.

2) Fix to return an -EFAULT error when copy_to_user() of the value
   fails in map_lookup_and_delete_elem(), from Wei Yongjun.

3) Fix sk_psock refcnt leak in tcp_bpf_recvmsg(), from Xiyu Yang.

Please consider pulling these changes from:


Thanks a lot!

Also thanks to reporters, reviewers and testers of commits in this pull-request:

Jakub Sitnicki, Martin KaFai Lau


The following changes since commit 37255e7a8f470a7d9678be89c18ba15d6ebf43f7:

  Merge tag 'batadv-net-for-davem-20200427' of git:// (2020-04-27 13:02:55 -0700)

are available in the Git repository at:


for you to fetch changes up to 81aabbb9fb7b4b1efd073b62f0505d3adad442f3:

  bpf, sockmap: bpf_tcp_ingress needs to subtract bytes from sg.size (2020-05-06 00:22:22 +0200)

John Fastabend (2):
      bpf, sockmap: msg_pop_data can incorrecty set an sge length
      bpf, sockmap: bpf_tcp_ingress needs to subtract bytes from sg.size

Wei Yongjun (1):
      bpf: Fix error return code in map_lookup_and_delete_elem()

Xiyu Yang (1):
      bpf: Fix sk_psock refcnt leak when receiving message

 include/linux/skmsg.h |  1 +
 kernel/bpf/syscall.c  |  4 +++-
 net/core/filter.c     |  2 +-
 net/ipv4/tcp_bpf.c    | 10 ++++++----
 4 files changed, 11 insertions(+), 6 deletions(-)

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