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Message-Id: <20240614203223.26500-1-daniel@iogearbox.net>
Date: Fri, 14 Jun 2024 22:32:23 +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 2024-06-14
Hi David, hi Jakub, hi Paolo, hi Eric,
The following pull-request contains BPF updates for your *net* tree.
We've added 8 non-merge commits during the last 2 day(s) which contain
a total of 9 files changed, 92 insertions(+), 11 deletions(-).
The main changes are:
1) Silence a syzkaller splat under CONFIG_DEBUG_NET=y in pskb_pull_reason()
triggered via __bpf_try_make_writable(), from Florian Westphal.
2) Fix removal of kfuncs during linking phase which then throws a kernel build
warning via resolve_btfids about unresolved symbols, from Tony Ambardar.
3) Fix a UML x86_64 compilation failure from BPF as pcpu_hot symbol is not
available on User Mode Linux, from Maciej Żenczykowski.
4) Fix a register corruption in reg_set_min_max triggering an invariant
violation in BPF verifier, from Daniel Borkmann.
Please consider pulling these changes from:
git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git tags/for-netdev
Thanks a lot!
Also thanks to reporters, reviewers and testers of commits in this pull-request:
Daniel Borkmann, Eric Dumazet, Jiri Olsa, John Fastabend, Juan José
López Jaimez, kernel test robot
----------------------------------------------------------------
The following changes since commit 14a20e5b4ad998793c5f43b0330d9e1388446cf3:
net/ipv6: Fix the RT cache flush via sysctl using a previous delay (2024-06-12 17:51:35 -0700)
are available in the Git repository at:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git tags/for-netdev
for you to fetch changes up to 7bdcedd5c8fb88e7176b93812b139eca5fe0aa46:
bpf: Harden __bpf_kfunc tag against linker kfunc removal (2024-06-14 19:14:37 +0200)
----------------------------------------------------------------
bpf-for-netdev
----------------------------------------------------------------
Daniel Borkmann (3):
bpf: Fix reg_set_min_max corruption of fake_reg
bpf: Reduce stack consumption in check_stack_write_fixed_off
selftests/bpf: Add test coverage for reg_set_min_max handling
Florian Westphal (1):
bpf: Avoid splat in pskb_pull_reason
Maciej Żenczykowski (1):
bpf: fix UML x86_64 compile failure
Stanislav Fomichev (1):
MAINTAINERS: mailmap: Update Stanislav's email address
Tony Ambardar (2):
compiler_types.h: Define __retain for __attribute__((__retain__))
bpf: Harden __bpf_kfunc tag against linker kfunc removal
.mailmap | 1 +
MAINTAINERS | 2 +-
include/linux/bpf_verifier.h | 2 ++
include/linux/btf.h | 2 +-
include/linux/compiler_types.h | 23 ++++++++++++
kernel/bpf/verifier.c | 25 ++++++++-----
net/core/filter.c | 5 +++
tools/testing/selftests/bpf/prog_tests/verifier.c | 2 ++
.../selftests/bpf/progs/verifier_or_jmp32_k.c | 41 ++++++++++++++++++++++
9 files changed, 92 insertions(+), 11 deletions(-)
create mode 100644 tools/testing/selftests/bpf/progs/verifier_or_jmp32_k.c
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