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Daniel Borkmann says:
====================
bpf-next 2022-02-17
We've added 29 non-merge commits during the last 8 day(s) which contain
a total of 34 files changed, 1502 insertions(+), 524 deletions(-).
The main changes are:
1) Add BTFGen support to bpftool which allows to use CO-RE in kernels without
BTF info, from Mauricio Vásquez, Rafael David Tinoco, Lorenzo Fontana and
Leonardo Di Donato. (Details: https://lpc.events/event/11/contributions/948/)
2) Prepare light skeleton to be used in both kernel module and user space
and convert bpf_preload.ko to use light skeleton, from Alexei Starovoitov.
3) Rework bpftool's versioning scheme and align with libbpf's version number;
also add linked libbpf version info to "bpftool version", from Quentin Monnet.
4) Add minimal C++ specific additions to bpftool's skeleton codegen to
facilitate use of C skeletons in C++ applications, from Andrii Nakryiko.
5) Add BPF verifier sanity check whether relative offset on kfunc calls overflows
desc->imm and reject the BPF program if the case, from Hou Tao.
6) Fix libbpf to use a dynamically allocated buffer for netlink messages to
avoid receiving truncated messages on some archs, from Toke Høiland-Jørgensen.
7) Various follow-up fixes to the JIT bpf_prog_pack allocator, from Song Liu.
8) Various BPF selftest and vmtest.sh fixes, from Yucong Sun.
9) Fix bpftool pretty print handling on dumping map keys/values when no BTF
is available, from Jiri Olsa and Yinjun Zhang.
10) Extend XDP frags selftest to check for invalid length, from Lorenzo Bianconi.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (29 commits)
bpf: bpf_prog_pack: Set proper size before freeing ro_header
selftests/bpf: Fix crash in core_reloc when bpftool btfgen fails
selftests/bpf: Fix vmtest.sh to launch smp vm.
libbpf: Fix memleak in libbpf_netlink_recv()
bpftool: Fix C++ additions to skeleton
bpftool: Fix pretty print dump for maps without BTF loaded
selftests/bpf: Test "bpftool gen min_core_btf"
bpftool: Gen min_core_btf explanation and examples
bpftool: Implement btfgen_get_btf()
bpftool: Implement "gen min_core_btf" logic
bpftool: Add gen min_core_btf command
libbpf: Expose bpf_core_{add,free}_cands() to bpftool
libbpf: Split bpf_core_apply_relo()
bpf: Reject kfunc calls that overflow insn->imm
selftests/bpf: Add Skeleton templated wrapper as an example
bpftool: Add C++-specific open/load/etc skeleton wrappers
selftests/bpf: Fix GCC11 compiler warnings in -O2 mode
bpftool: Fix the error when lookup in no-btf maps
libbpf: Use dynamically allocated buffer when receiving netlink messages
libbpf: Fix libbpf.map inheritance chain for LIBBPF_0.7.0
...
====================
Link: https://lore.kernel.org/r/20220217232027.29831-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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