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Date: Thu, 15 Jul 2021 19:21:47 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: davem@...emloft.net
Cc: daniel@...earbox.net, andrii@...nel.org, netdev@...r.kernel.org,
bpf@...r.kernel.org, kernel-team@...com
Subject: pull-request: bpf-next 2021-07-15
Hi David, hi Jakub,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 45 non-merge commits during the last 15 day(s) which contain
a total of 52 files changed, 3122 insertions(+), 384 deletions(-).
The main changes are:
1) Introduce bpf timers, from Alexei.
2) Add sockmap support for unix datagram socket, from Cong.
3) Fix potential memleak and UAF in the verifier, from He.
4) Add bpf_get_func_ip helper, from Jiri.
5) Improvements to generic XDP mode, from Kumar.
6) Support for passing xdp_md to XDP programs in bpf_prog_run, from Zvi.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
Thanks a lot!
Also thanks to reporters, reviewers and testers of commits in this pull-request:
Andrii Nakryiko, Jesper Dangaard Brouer, John Fastabend, Martin KaFai
Lau, Masami Hiramatsu, Song Liu, Toke Høiland-Jørgensen, Willem de
Bruijn, Yonghong Song
----------------------------------------------------------------
The following changes since commit 5e437416ff66981d8154687cfdf7de50b1d82bfc:
Merge branch 'dsa-mv88e6xxx-topaz-fixes' (2021-07-01 11:51:36 -0700)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git
for you to fetch changes up to c50524ec4e3ad97d7d963268abd859c6413fbeb4:
Merge branch 'sockmap: add sockmap support for unix datagram socket' (2021-07-15 18:17:51 -0700)
----------------------------------------------------------------
Alan Maguire (1):
libbpf: Allow specification of "kprobe/function+offset"
Alexei Starovoitov (16):
Merge branch 'bpf: support input xdp_md context in BPF_PROG_TEST_RUN'
Merge branch 'Generic XDP improvements'
bpf: Sync tools/include/uapi/linux/bpf.h
bpf: Prepare bpf_prog_put() to be called from irq context.
bpf: Factor out bpf_spin_lock into helpers.
bpf: Introduce bpf timers.
bpf: Add map side support for bpf timers.
bpf: Prevent pointer mismatch in bpf_timer_init.
bpf: Remember BTF of inner maps.
bpf: Relax verifier recursion check.
bpf: Implement verifier support for validation of async callbacks.
bpf: Teach stack depth check about async callbacks.
selftests/bpf: Add bpf_timer test.
selftests/bpf: Add a test with bpf_timer in inner map.
Merge branch 'Add bpf_get_func_ip helper'
Merge branch 'sockmap: add sockmap support for unix datagram socket'
Cong Wang (11):
sock_map: Relax config dependency to CONFIG_NET
sock_map: Lift socket state restriction for datagram sockets
af_unix: Implement ->read_sock() for sockmap
af_unix: Set TCP_ESTABLISHED for datagram sockets too
af_unix: Add a dummy ->close() for sockmap
af_unix: Implement ->psock_update_sk_prot()
af_unix: Implement unix_dgram_bpf_recvmsg()
selftests/bpf: Factor out udp_socketpair()
selftests/bpf: Factor out add_to_sockmap()
selftests/bpf: Add a test case for unix sockmap
selftests/bpf: Add test cases for redirection between udp and unix
Daniel Borkmann (1):
Merge branch 'bpf-timers'
He Fengqing (1):
bpf: Fix potential memleak and UAF in the verifier.
Jesper Dangaard Brouer (1):
samples/bpf: xdp_redirect_cpu_user: Cpumap qsize set larger default
Jiri Olsa (7):
bpf, x86: Store caller's ip in trampoline stack
bpf: Enable BPF_TRAMP_F_IP_ARG for trampolines with call_get_func_ip
bpf: Add bpf_get_func_ip helper for tracing programs
bpf: Add bpf_get_func_ip helper for kprobe programs
selftests/bpf: Add test for bpf_get_func_ip helper
libbpf: Add bpf_program__attach_kprobe_opts function
selftests/bpf: Add test for bpf_get_func_ip in kprobe+offset probe
Kumar Kartikeya Dwivedi (5):
net: core: Split out code to run generic XDP prog
bitops: Add non-atomic bitops for pointers
bpf: cpumap: Implement generic cpumap
bpf: devmap: Implement devmap prog execution for generic XDP
bpf: Tidy xdp attach selftests
Kuniyuki Iwashima (1):
bpf: Fix a typo of reuseport map in bpf.h.
Martynas Pumputis (1):
libbpf: Fix reuse of pinned map on older kernel
Tobias Klauser (1):
selftests/bpf: Remove unused variable in tc_tunnel prog
Zvi Effron (4):
bpf: Add function for XDP meta data length check
bpf: Support input xdp_md context in BPF_PROG_TEST_RUN
bpf: Support specifying ingress via xdp_md context in BPF_PROG_TEST_RUN
selftests/bpf: Add test for xdp_md context in BPF_PROG_TEST_RUN
MAINTAINERS | 1 +
arch/x86/net/bpf_jit_comp.c | 19 +
include/linux/bitops.h | 50 +++
include/linux/bpf.h | 100 +++--
include/linux/bpf_verifier.h | 19 +-
include/linux/btf.h | 1 +
include/linux/filter.h | 3 +-
include/linux/netdevice.h | 2 +
include/linux/skbuff.h | 10 +-
include/linux/typecheck.h | 9 +
include/net/af_unix.h | 12 +
include/net/xdp.h | 5 +
include/uapi/linux/bpf.h | 85 ++++-
kernel/bpf/Kconfig | 2 +-
kernel/bpf/arraymap.c | 21 ++
kernel/bpf/btf.c | 77 +++-
kernel/bpf/cpumap.c | 116 +++++-
kernel/bpf/devmap.c | 49 ++-
kernel/bpf/hashtab.c | 105 +++++-
kernel/bpf/helpers.c | 340 ++++++++++++++++-
kernel/bpf/local_storage.c | 4 +-
kernel/bpf/map_in_map.c | 8 +
kernel/bpf/syscall.c | 53 ++-
kernel/bpf/trampoline.c | 12 +-
kernel/bpf/verifier.c | 379 ++++++++++++++++++-
kernel/trace/bpf_trace.c | 33 +-
net/bpf/test_run.c | 109 +++++-
net/core/Makefile | 2 -
net/core/dev.c | 103 +++---
net/core/filter.c | 10 +-
net/core/sock_map.c | 22 +-
net/ipv4/udp_bpf.c | 1 -
net/unix/Makefile | 1 +
net/unix/af_unix.c | 85 ++++-
net/unix/unix_bpf.c | 122 +++++++
samples/bpf/xdp_redirect_cpu_user.c | 22 +-
scripts/bpf_doc.py | 2 +
tools/include/uapi/linux/bpf.h | 85 ++++-
tools/lib/bpf/libbpf.c | 104 +++++-
.../selftests/bpf/prog_tests/get_func_ip_test.c | 53 +++
.../selftests/bpf/prog_tests/sockmap_listen.c | 406 +++++++++++++++++----
tools/testing/selftests/bpf/prog_tests/timer.c | 55 +++
tools/testing/selftests/bpf/prog_tests/timer_mim.c | 69 ++++
.../bpf/prog_tests/xdp_context_test_run.c | 105 ++++++
.../selftests/bpf/prog_tests/xdp_cpumap_attach.c | 43 +--
.../selftests/bpf/prog_tests/xdp_devmap_attach.c | 39 +-
.../testing/selftests/bpf/progs/get_func_ip_test.c | 73 ++++
tools/testing/selftests/bpf/progs/test_tc_tunnel.c | 1 -
.../bpf/progs/test_xdp_context_test_run.c | 20 +
tools/testing/selftests/bpf/progs/timer.c | 297 +++++++++++++++
tools/testing/selftests/bpf/progs/timer_mim.c | 88 +++++
.../testing/selftests/bpf/progs/timer_mim_reject.c | 74 ++++
52 files changed, 3122 insertions(+), 384 deletions(-)
create mode 100644 net/unix/unix_bpf.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/get_func_ip_test.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/timer.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/timer_mim.c
create mode 100644 tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
create mode 100644 tools/testing/selftests/bpf/progs/get_func_ip_test.c
create mode 100644 tools/testing/selftests/bpf/progs/test_xdp_context_test_run.c
create mode 100644 tools/testing/selftests/bpf/progs/timer.c
create mode 100644 tools/testing/selftests/bpf/progs/timer_mim.c
create mode 100644 tools/testing/selftests/bpf/progs/timer_mim_reject.c
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