Hi David, hi Jakub, hi Paolo, hi Eric, The following pull-request contains BPF updates for your *net* tree. We've added 4 non-merge commits during the last 2 day(s) which contain a total of 4 files changed, 262 insertions(+), 19 deletions(-). The main changes are: 1) Fixes for a BPF timer lockup and a use-after-free scenario when timers are used concurrently, from Kumar Kartikeya Dwivedi. 2) Fix the argument order in the call to bpf_map_kvcalloc() which could otherwise lead to a compilation error, from Mohammad Shehar Yaar Tausif. 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: Andrii Nakryiko, Christian Kujau, Dohyun Kim, Neel Natu ---------------------------------------------------------------- The following changes since commit e1533b6319ab9c3a97dad314dd88b3783bc41b69: net: ethernet: lantiq_etop: fix double free in detach (2024-07-09 19:02:07 -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 50bd5a0c658d132507673c4d59347c025dd149ed: selftests/bpf: Add timer lockup selftest (2024-07-11 10:18:31 +0200) ---------------------------------------------------------------- bpf-for-netdev ---------------------------------------------------------------- Alexei Starovoitov (1): Merge branch 'fixes-for-bpf-timer-lockup-and-uaf' Kumar Kartikeya Dwivedi (3): bpf: Fail bpf_timer_cancel when callback is being cancelled bpf: Defer work in bpf_timer_cancel_and_free selftests/bpf: Add timer lockup selftest Mohammad Shehar Yaar Tausif (1): bpf: fix order of args in call to bpf_map_kvcalloc kernel/bpf/bpf_local_storage.c | 4 +- kernel/bpf/helpers.c | 99 ++++++++++++++++++---- .../selftests/bpf/prog_tests/timer_lockup.c | 91 ++++++++++++++++++++ tools/testing/selftests/bpf/progs/timer_lockup.c | 87 +++++++++++++++++++ 4 files changed, 262 insertions(+), 19 deletions(-) create mode 100644 tools/testing/selftests/bpf/prog_tests/timer_lockup.c create mode 100644 tools/testing/selftests/bpf/progs/timer_lockup.c
