Merge branch 'Fix reference state management for synchronous callbacks'

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Kumar Kartikeya Dwivedi says:

====================

This is patch 1, 2 + their individual tests split into a separate series from
the RFC, so that these can be taken in, while we continue working towards a fix
for handling stack access inside the callback.

Changelog:
----------
v1 -> v2:
v1: https://lore.kernel.org/bpf/20220822131923.21476-1-memxor@gmail.com

  * Fix error for test_progs-no_alu32 due to distinct alloc_insn in errstr

RFC v1 -> v1:
RFC v1: https://lore.kernel.org/bpf/20220815051540.18791-1-memxor@gmail.com

  * Fix up commit log to add more explanation (Alexei)
  * Split reference state fix out into a separate series
====================

Signed-off-by: Alexei Starovoitov <ast@kernel.org>

...

This commit is contained in:

Alexei Starovoitov 2022-08-23 16:22:00 -07:00

parent f52c894734 35f14dbd2f

commit 096830808c

5 changed files with 212 additions and 13 deletions

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11

include/linux/bpf_verifier.h

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8

kernel/bpf/helpers.c

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42

kernel/bpf/verifier.c

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48

tools/testing/selftests/bpf/prog_tests/cb_refs.c

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116

tools/testing/selftests/bpf/progs/cb_refs.c

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