Hi David, hi Jakub, hi Paolo, hi Eric, The following pull-request contains BPF updates for your *net* tree. We've added 6 non-merge commits during the last 2 day(s) which contain a total of 8 files changed, 49 insertions(+), 15 deletions(-). The main changes are: 1) Fix an illegal copy_to_user() attempt seen by syzkaller through arm64 BPF JIT compiler, from Eric Dumazet. 2) Fix calling global functions from BPF_PROG_TYPE_EXT programs by using the correct program context type, from Toke Høiland-Jørgensen. 3) Fix XSK TX batching invalid descriptor handling, from Maciej Fijalkowski. 4) Fix potential integer overflows in multi-kprobe link code by using safer kvmalloc_array() allocation helpers, from Dan Carpenter. 5) Add Quentin as bpftool maintainer, from Quentin Monnet. Please consider pulling these changes from: git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git Thanks a lot! Also thanks to reporters, reviewers and testers of commits in this pull-request: Alexei Starovoitov, Jakub Kicinski, KP Singh, Magnus Karlsson, Simon Sundberg, Song Liu, syzbot ---------------------------------------------------------------- The following changes since commit cf67838c4422eab826679b076dad99f96152b4de: selftests net: fix bpf build error (2022-06-07 13:19:51 +0200) are available in the Git repository at: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git for you to fetch changes up to 7c217aca85dd31dd2c8f45f6a7520767c9fae766: MAINTAINERS: Add a maintainer for bpftool (2022-06-08 17:16:34 +0200) ---------------------------------------------------------------- Dan Carpenter (1): bpf: Use safer kvmalloc_array() where possible Eric Dumazet (1): bpf, arm64: Clear prog->jited_len along prog->jited Maciej Fijalkowski (1): xsk: Fix handling of invalid descriptors in XSK TX batching API Quentin Monnet (1): MAINTAINERS: Add a maintainer for bpftool Toke Høiland-Jørgensen (2): bpf: Fix calling global functions from BPF_PROG_TYPE_EXT programs selftests/bpf: Add selftest for calling global functions from freplace MAINTAINERS | 7 +++++++ arch/arm64/net/bpf_jit_comp.c | 1 + kernel/bpf/btf.c | 3 ++- kernel/trace/bpf_trace.c | 8 ++++---- net/xdp/xsk.c | 5 +++-- net/xdp/xsk_queue.h | 8 -------- tools/testing/selftests/bpf/prog_tests/fexit_bpf2bpf.c | 14 ++++++++++++++ .../testing/selftests/bpf/progs/freplace_global_func.c | 18 ++++++++++++++++++ 8 files changed, 49 insertions(+), 15 deletions(-) create mode 100644 tools/testing/selftests/bpf/progs/freplace_global_func.c