[PATCH bpf v1 0/8] Misc bug fixes - part 5

[Kumar Kartikeya Dwivedi <memxor@gmail.com>]

A set of miscellaneous fixes for bugs reported by Nicholas. See commit
logs for details.

Kumar Kartikeya Dwivedi (8):
  bpf: Make post-verification instruction rewrites killable
  selftests/bpf: Test killing a loader during instruction rewrites
  bpf: Preserve packet pointer class displacement in regsafe()
  selftests/bpf: Test packet pointer class displacement pruning
  bpf: Reject fall-through across subprogram boundaries
  selftests/bpf: Test poisoned subprogram terminator
  bpf: Assign lock identity to callback map values
  selftests/bpf: Check callback map value lock identity

 include/linux/bpf_verifier.h                  |   2 +
 kernel/bpf/cfg.c                              |  21 +++
 kernel/bpf/fixups.c                           |  21 ++-
 kernel/bpf/states.c                           |  42 +++++-
 kernel/bpf/verifier.c                         |  14 ++
 .../selftests/bpf/prog_tests/core_reloc_raw.c | 113 +++++++++++++++
 .../bpf/prog_tests/prog_load_signal.c         | 131 ++++++++++++++++++
 .../selftests/bpf/prog_tests/verifier.c       |   2 +
 .../bpf/progs/verifier_callback_lock.c        |  73 ++++++++++
 .../progs/verifier_xdp_direct_packet_access.c |  44 ++++++
 10 files changed, 460 insertions(+), 3 deletions(-)
 create mode 100644 tools/testing/selftests/bpf/prog_tests/prog_load_signal.c
 create mode 100644 tools/testing/selftests/bpf/progs/verifier_callback_lock.c


base-commit: b75a000f2ac15f4778ddd6d9298d60b24ad776fa
-- 
2.53.0