Hi David, hi Jakub, The following pull-request contains BPF updates for your *net* tree. We've added 10 non-merge commits during the last 9 day(s) which contain a total of 8 files changed, 175 insertions(+), 111 deletions(-). The main changes are: 1) Fix a potential NULL pointer dereference in libbpf's xsk umem handling, from Ciara Loftus. 2) Mitigate a speculative oob read of up to map value size by tightening the masking window, from Daniel Borkmann. 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, Benedict Schlueter, John Fastabend, Piotr Krysiuk ---------------------------------------------------------------- The following changes since commit 1ffbc7ea91606e4abd10eb60de5367f1c86daf5e: net: sched: sch_teql: fix null-pointer dereference (2021-04-08 14:14:42 -0700) 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 d7a5091351756d0ae8e63134313c455624e36a13: bpf: Update selftests to reflect new error states (2021-04-16 23:52:15 +0200) ---------------------------------------------------------------- Ciara Loftus (1): libbpf: Fix potential NULL pointer dereference Daniel Borkmann (9): bpf: Use correct permission flag for mixed signed bounds arithmetic bpf: Move off_reg into sanitize_ptr_alu bpf: Ensure off_reg has no mixed signed bounds for all types bpf: Rework ptr_limit into alu_limit and add common error path bpf: Improve verifier error messages for users bpf: Refactor and streamline bounds check into helper bpf: Move sanitize_val_alu out of op switch bpf: Tighten speculative pointer arithmetic mask bpf: Update selftests to reflect new error states kernel/bpf/verifier.c | 230 ++++++++++++++------- tools/lib/bpf/xsk.c | 5 +- tools/testing/selftests/bpf/verifier/bounds.c | 5 - .../selftests/bpf/verifier/bounds_deduction.c | 21 +- .../bpf/verifier/bounds_mix_sign_unsign.c | 13 -- tools/testing/selftests/bpf/verifier/map_ptr.c | 4 +- tools/testing/selftests/bpf/verifier/unpriv.c | 2 +- .../selftests/bpf/verifier/value_ptr_arith.c | 6 +- 8 files changed, 175 insertions(+), 111 deletions(-)
