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Message-Id: <20240712212448.5378-1-daniel@iogearbox.net>
Date: Fri, 12 Jul 2024 23:24:48 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: davem@...emloft.net
Cc: kuba@...nel.org,
pabeni@...hat.com,
edumazet@...gle.com,
daniel@...earbox.net,
ast@...nel.org,
andrii@...nel.org,
martin.lau@...ux.dev,
netdev@...r.kernel.org,
bpf@...r.kernel.org
Subject: pull-request: bpf-next 2024-07-12
Hi David, hi Jakub, hi Paolo, hi Eric,
The following pull-request contains BPF updates for your *net-next* tree.
We've added 23 non-merge commits during the last 3 day(s) which contain
a total of 18 files changed, 234 insertions(+), 243 deletions(-).
The main changes are:
1) Improve BPF verifier by utilizing overflow.h helpers to check for overflows,
from Shung-Hsi Yu.
2) Fix NULL pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT
when attr->attach_prog_fd was not specified, from Tengda Wu.
3) Fix arm64 BPF JIT when generating code for BPF trampolines with
BPF_TRAMP_F_CALL_ORIG which corrupted upper address bits, from Puranjay Mohan.
4) Remove test_run callback from lwt_seg6local_prog_ops which never worked in the
first place and caused syzbot reports, from Sebastian Andrzej Siewior.
5) Relax BPF verifier to accept non-zero offset on KF_TRUSTED_ARGS/KF_RCU-typed
BPF kfuncs, from Matt Bobrowski.
6) Fix a long standing bug in libbpf with regards to handling of BPF skeleton's
forward and backward compatibility, from Andrii Nakryiko.
7) Annotate btf_{seq,snprintf}_show functions with __printf, from Alan Maguire.
8) BPF selftest improvements to reuse common network helpers in sk_lookup test and
dropping the open-coded inetaddr_len() and make_socket() ones, from Geliang Tang.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev
Thanks a lot!
Also thanks to reporters, reviewers and testers of commits in this pull-request:
Alan Maguire, Daniel Borkmann, Eduard Zingerman, Jiri Olsa, Kumar
Kartikeya Dwivedi, Mirsad Todorovac, Quentin Monnet
----------------------------------------------------------------
The following changes since commit 746d684ea579927015cde53cff8fc365caaf93b7:
Merge branch 'selftests-drv-net-rss_ctx-more-tests' (2024-07-09 16:31:19 -0700)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git tags/for-netdev
for you to fetch changes up to e435b043d89a267bd6eb3d5650d2319805d7924a:
selftests/bpf: Test for null-pointer-deref bugfix in resolve_prog_type() (2024-07-12 22:14:21 +0200)
----------------------------------------------------------------
bpf-next-for-netdev
----------------------------------------------------------------
Alan Maguire (3):
selftests/bpf: fix compilation failure when CONFIG_NF_FLOW_TABLE=m
bpf: annotate BTF show functions with __printf
bpf: Eliminate remaining "make W=1" warnings in kernel/bpf/btf.o
Alexei Starovoitov (2):
Merge branch 'fix-libbpf-bpf-skeleton-forward-backward-compat'
Merge branch 'use-overflow-h-helpers-to-check-for-overflows'
Andrii Nakryiko (3):
bpftool: improve skeleton backwards compat with old buggy libbpfs
libbpf: fix BPF skeleton forward/backward compat handling
libbpf: improve old BPF skeleton handling for map auto-attach
Daniel Borkmann (1):
selftests/bpf: DENYLIST.aarch64: Skip fexit_sleep again
Geliang Tang (8):
selftests/bpf: Add backlog for network_helper_opts
selftests/bpf: Add ASSERT_OK_FD macro
selftests/bpf: Close fd in error path in drop_on_reuseport
selftests/bpf: Use start_server_str in sk_lookup
selftests/bpf: Use start_server_addr in sk_lookup
selftests/bpf: Use connect_fd_to_fd in sk_lookup
selftests/bpf: Null checks for links in bpf_tcp_ca
selftests/bpf: Close obj in error path in xdp_adjust_tail
Martin KaFai Lau (2):
Merge branch 'use network helpers, part 8'
Merge branch 'BPF selftests misc fixes'
Matt Bobrowski (1):
bpf: relax zero fixed offset constraint on KF_TRUSTED_ARGS/KF_RCU
Puranjay Mohan (1):
bpf, arm64: Fix trampoline for BPF_TRAMP_F_CALL_ORIG
Sebastian Andrzej Siewior (1):
bpf: Remove tst_run from lwt_seg6local_prog_ops.
Shung-Hsi Yu (3):
bpf: fix overflow check in adjust_jmp_off()
bpf: use check_add_overflow() to check for addition overflows
bpf: use check_sub_overflow() to check for subtraction overflows
Tengda Wu (2):
bpf: Fix null pointer dereference in resolve_prog_type() for BPF_PROG_TYPE_EXT
selftests/bpf: Test for null-pointer-deref bugfix in resolve_prog_type()
arch/arm64/net/bpf_jit_comp.c | 4 +-
include/linux/bpf_verifier.h | 2 +-
kernel/bpf/btf.c | 10 +-
kernel/bpf/verifier.c | 180 ++++++---------------
net/core/filter.c | 1 -
tools/bpf/bpftool/gen.c | 46 ++++--
tools/lib/bpf/libbpf.c | 71 ++++----
tools/testing/selftests/bpf/DENYLIST.aarch64 | 1 +
tools/testing/selftests/bpf/network_helpers.c | 2 +-
tools/testing/selftests/bpf/network_helpers.h | 10 ++
.../testing/selftests/bpf/prog_tests/bpf_tcp_ca.c | 16 +-
tools/testing/selftests/bpf/prog_tests/sk_lookup.c | 82 +++++-----
.../selftests/bpf/prog_tests/xdp_adjust_tail.c | 2 +-
.../selftests/bpf/progs/nested_trust_failure.c | 8 -
.../selftests/bpf/progs/nested_trust_success.c | 8 +
tools/testing/selftests/bpf/progs/xdp_flowtable.c | 10 +-
tools/testing/selftests/bpf/test_progs.h | 9 ++
tools/testing/selftests/bpf/verifier/calls.c | 15 +-
18 files changed, 234 insertions(+), 243 deletions(-)
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