[PATCH bpf-next v1 00/14] Follow ups for verifier errors set

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

Some follow up changes based on comments from Eduard, Sashiko, and BPF
CI Bot. See commits for details.

Kumar Kartikeya Dwivedi (14):
  bpf: Correct verifier diagnostic attribution for stack reads
  selftests/bpf: Test verifier stack-read diagnostic attribution
  bpf: Preserve R0 lineage across helper calls
  bpf: Drop dead spill diagnostic condition
  bpf: Use canonical stack argument names in diagnostics
  bpf: Correct kfunc argument diagnostics
  selftests/bpf: Test kfunc argument diagnostics
  bpf: Report non-sleepable kfunc programs accurately
  selftests/bpf: Test non-sleepable kfunc context
  bpf: Correct Program Structure diagnostic context
  bpf: Preserve source attribution without source text
  selftests/bpf: Test Program Structure diagnostic context
  bpf: Distinguish function references in policy diagnostics
  selftests/bpf: Test pseudo-function policy diagnostics

 kernel/bpf/btf.c                              |   8 +-
 kernel/bpf/cfg.c                              |   6 +-
 kernel/bpf/diagnostics.c                      |  21 +-
 kernel/bpf/verifier.c                         | 180 ++++++++++++------
 .../testing/selftests/bpf/progs/dynptr_fail.c |   5 +
 tools/testing/selftests/bpf/progs/irq.c       |  13 ++
 .../selftests/bpf/progs/iters_state_safety.c  |   3 +
 .../selftests/bpf/progs/preempt_lock.c        |  15 ++
 .../bpf/progs/refcounted_kptr_fail.c          |   9 +
 .../selftests/bpf/progs/verifier_cfg.c        |  40 ++++
 .../selftests/bpf/progs/verifier_gotox.c      |   2 +
 .../selftests/bpf/progs/verifier_loops1.c     |   1 +
 .../selftests/bpf/progs/verifier_unpriv.c     |  18 ++
 .../selftests/bpf/progs/verifier_xadd.c       |  27 +++
 14 files changed, 275 insertions(+), 73 deletions(-)


base-commit: c93cbdb13f995f87b5356329b3fe551c80bb482d
-- 
2.53.0