netdev - [PATCH bpf-next 0/3] bpf: Allow inner map with different max

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 21 May 2020 12:17:52 -0700
From:   Martin KaFai Lau <kafai@...com>
To:     <bpf@...r.kernel.org>
CC:     Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>, <kernel-team@...com>,
        <netdev@...r.kernel.org>
Subject: [PATCH bpf-next 0/3] bpf: Allow inner map with different max_entries

This series allows the outer map to be updated with inner map in different
size as long as it is safe (meaning the max_entries is not used in the
verification time during prog load).

Please see individual patch for details.

Martin KaFai Lau (3):
  bpf: Clean up inner map type check
  bpf: Relax the max_entries check for inner map
  bpf: selftests: Add test for different inner map size

 include/linux/bpf.h                           | 18 +++++-
 include/linux/bpf_types.h                     | 64 +++++++++++--------
 kernel/bpf/btf.c                              |  2 +-
 kernel/bpf/map_in_map.c                       | 12 ++--
 kernel/bpf/syscall.c                          | 19 +++++-
 kernel/bpf/verifier.c                         |  2 +-
 .../selftests/bpf/prog_tests/btf_map_in_map.c | 12 ++++
 .../selftests/bpf/progs/test_btf_map_in_map.c | 31 +++++++++
 8 files changed, 119 insertions(+), 41 deletions(-)

-- 
2.24.1