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 4 day(s) which contain a total of 14 files changed, 336 insertions(+), 94 deletions(-). The main changes are: 1) Fix fexit/fmod_ret trampoline for sleepable programs, and also fix a ftrace splat in modify_ftrace_direct() on address change, from Alexei Starovoitov. 2) Fix two oob speculation possibilities that allows unprivileged to leak mem via side-channel, from Piotr Krysiuk and Daniel Borkmann. 3) Fix libbpf's netlink handling wrt SOCK_CLOEXEC, from Kumar Kartikeya Dwivedi. 4) Fix libbpf's error handling on failure in getting section names, from Namhyung Kim. 5) Fix tunnel collect_md BPF selftest wrt Geneve option handling, from Hangbin Liu. 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, Andrii Nakryiko, Paul E. McKenney, Steven Rostedt (VMware), Toke Høiland-Jørgensen, William Tu ---------------------------------------------------------------- The following changes since commit a25f822285420486f5da434efc8d940d42a83bce: flow_dissector: fix byteorder of dissected ICMP ID (2021-03-14 14:30:20 -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 58bfd95b554f1a23d01228672f86bb489bdbf4ba: libbpf: Use SOCK_CLOEXEC when opening the netlink socket (2021-03-18 00:50:21 +0100) ---------------------------------------------------------------- Alexei Starovoitov (2): ftrace: Fix modify_ftrace_direct. bpf: Fix fexit trampoline. Hangbin Liu (1): selftests/bpf: Set gopt opt_class to 0 if get tunnel opt failed Kumar Kartikeya Dwivedi (1): libbpf: Use SOCK_CLOEXEC when opening the netlink socket Namhyung Kim (1): libbpf: Fix error path in bpf_object__elf_init() Piotr Krysiuk (5): bpf: Prohibit alu ops for pointer types not defining ptr_limit bpf: Fix off-by-one for area size in creating mask to left bpf: Simplify alu_limit masking for pointer arithmetic bpf: Add sanity check for upper ptr_limit bpf, selftests: Fix up some test_verifier cases for unprivileged arch/x86/net/bpf_jit_comp.c | 26 ++- include/linux/bpf.h | 24 ++- kernel/bpf/bpf_struct_ops.c | 2 +- kernel/bpf/core.c | 4 +- kernel/bpf/trampoline.c | 218 ++++++++++++++++----- kernel/bpf/verifier.c | 33 ++-- kernel/trace/ftrace.c | 43 +++- tools/lib/bpf/libbpf.c | 3 +- tools/lib/bpf/netlink.c | 2 +- .../testing/selftests/bpf/progs/test_tunnel_kern.c | 6 +- .../selftests/bpf/verifier/bounds_deduction.c | 27 ++- tools/testing/selftests/bpf/verifier/map_ptr.c | 4 + tools/testing/selftests/bpf/verifier/unpriv.c | 15 +- .../selftests/bpf/verifier/value_ptr_arith.c | 23 ++- 14 files changed, 336 insertions(+), 94 deletions(-)