linux-kernel - [PATCH bpf-next v2 0/2] limit bpf_core_types_are

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Date:   Wed,  2 Feb 2022 22:13:26 +0100
From:   Matteo Croce <mcroce@...ux.microsoft.com>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>,
        bpf@...r.kernel.org
Cc:     Daniel Borkmann <daniel@...earbox.net>,
        Andrii Nakryiko <andrii@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH bpf-next v2 0/2] limit bpf_core_types_are_compat recursion

From: Matteo Croce <mcroce@...rosoft.com>

As formerly discussed on the BPF mailing list:
https://lore.kernel.org/bpf/CAADnVQJDax2j0-7uyqdqFEnpB57om_z+Cqmi1O2QyLpHqkVKwA@mail.gmail.com/

Matteo Croce (2):
  bpf: limit bpf_core_types_are_compat() recursion
  selftests/bpf: test maximum recursion depth for
    bpf_core_types_are_compat()

 include/linux/btf.h                           |   5 +
 kernel/bpf/btf.c                              | 105 +++++++++++++++++-
 .../selftests/bpf/bpf_testmod/bpf_testmod.c   |   3 +
 tools/testing/selftests/bpf/progs/core_kern.c |  14 +++
 4 files changed, 126 insertions(+), 1 deletion(-)

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2.34.1