Hi David, hi Jakub, hi Paolo, hi Eric, The following pull-request contains BPF updates for your *net* tree. We've added 11 non-merge commits during the last 24 day(s) which contain a total of 15 files changed, 217 insertions(+), 17 deletions(-). The main changes are: 1) Fix a syzkaller-triggered oops when attempting to read the vsyscall page through bpf_probe_read_kernel and friends, from Hou Tao. 2) Fix a kernel panic due to uninitialized iter position pointer in bpf_iter_task, from Yafang Shao. 3) Fix a race between bpf_timer_cancel_and_free and bpf_timer_cancel, from Martin KaFai Lau. 4) Fix a xsk warning in skb_add_rx_frag() (under CONFIG_DEBUG_NET) due to incorrect truesize accounting, from Sebastian Andrzej Siewior. 5) Fix a NULL pointer dereference in sk_psock_verdict_data_ready, from Shigeru Yoshida. 6) Fix a resolve_btfids warning when bpf_cpumask symbol cannot be resolved, from Hari Bathini. 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: David Vernet, Hou Tao, Jiri Olsa, John Fastabend, Maciej Fijalkowski, Oleg Nesterov, Quentin Monnet, Sohil Mehta, Stanislav Fomichev, Thomas Gleixner, xingwei lee, Yonghong Song ---------------------------------------------------------------- The following changes since commit 577e4432f3ac810049cb7e6b71f4d96ec7c6e894: tcp: add sanity checks to rx zerocopy (2024-01-29 12:07:35 +0000) 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 4cd12c6065dfcdeba10f49949bffcf383b3952d8: bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready() (2024-02-21 17:15:23 +0100) ---------------------------------------------------------------- bpf-for-netdev ---------------------------------------------------------------- Alexei Starovoitov (1): Merge branch 'fix-the-read-of-vsyscall-page-through-bpf' Gianmarco Lusvardi (1): bpf, scripts: Correct GPL license name Hari Bathini (1): bpf: Fix warning for bpf_cpumask in verifier Hou Tao (3): x86/mm: Move is_vsyscall_vaddr() into asm/vsyscall.h x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() selftest/bpf: Test the read of vsyscall page under x86-64 Martin KaFai Lau (2): bpf: Fix racing between bpf_timer_cancel_and_free and bpf_timer_cancel selftests/bpf: Test racing between bpf_timer_cancel_and_free and bpf_timer_cancel Sebastian Andrzej Siewior (1): xsk: Add truesize to skb_add_rx_frag(). Shigeru Yoshida (1): bpf, sockmap: Fix NULL pointer dereference in sk_psock_verdict_data_ready() Yafang Shao (2): bpf: Fix an issue due to uninitialized bpf_iter_task selftests/bpf: Add negtive test cases for task iter arch/x86/include/asm/vsyscall.h | 10 ++++ arch/x86/mm/fault.c | 9 ---- arch/x86/mm/maccess.c | 10 ++++ kernel/bpf/helpers.c | 5 +- kernel/bpf/task_iter.c | 2 + kernel/bpf/verifier.c | 2 + net/core/skmsg.c | 7 ++- net/xdp/xsk.c | 3 +- scripts/bpf_doc.py | 2 +- tools/testing/selftests/bpf/prog_tests/iters.c | 1 + .../selftests/bpf/prog_tests/read_vsyscall.c | 57 ++++++++++++++++++++++ tools/testing/selftests/bpf/prog_tests/timer.c | 35 ++++++++++++- tools/testing/selftests/bpf/progs/iters_task.c | 12 ++++- tools/testing/selftests/bpf/progs/read_vsyscall.c | 45 +++++++++++++++++ tools/testing/selftests/bpf/progs/timer.c | 34 ++++++++++++- 15 files changed, 217 insertions(+), 17 deletions(-) create mode 100644 tools/testing/selftests/bpf/prog_tests/read_vsyscall.c create mode 100644 tools/testing/selftests/bpf/progs/read_vsyscall.c
