linux-kernel - [PATCH bpf v2 0/2] Fix offset when fault occurs in strncpy_from_kernel

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]

Message-Id: <20221110085614.111213-1-albancrequy@linux.microsoft.com>
Date:   Thu, 10 Nov 2022 09:56:12 +0100
From:   Alban Crequy <albancrequy@...ux.microsoft.com>
To:     bpf@...r.kernel.org
Cc:     stable@...r.kernel.org, albancrequy@...ux.microsoft.com,
        flaniel@...ux.microsoft.com, akpm@...ux-foundation.org,
        andrii@...nel.org, ast@...nel.org, daniel@...earbox.net,
        haoluo@...gle.com, john.fastabend@...il.com, jolsa@...nel.org,
        kpsingh@...nel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-mm@...ck.org,
        martin.lau@...ux.dev, mykolal@...com, sdf@...gle.com,
        shuah@...nel.org, song@...nel.org, yhs@...com
Subject: [PATCH bpf v2 0/2] Fix offset when fault occurs in strncpy_from_kernel_nofault()

Hi,

This is v2 of the fix & selftest previously sent at:
https://lore.kernel.org/linux-mm/20221108195211.214025-1-flaniel@linux.microsoft.com/

Changes v1 to v2:
- add 'cc:stable', 'Fixes:' and review/ack tags
- update commitmsg and fix my email
- rebase on bpf tree and tag for bpf tree

Thanks!


Alban Crequy (2):
  maccess: fix writing offset in case of fault in
    strncpy_from_kernel_nofault()
  selftests: bpf: add a test when bpf_probe_read_kernel_str() returns
    EFAULT

 mm/maccess.c                                    | 2 +-
 tools/testing/selftests/bpf/prog_tests/varlen.c | 7 +++++++
 tools/testing/selftests/bpf/progs/test_varlen.c | 5 +++++
 3 files changed, 13 insertions(+), 1 deletion(-)

-- 
2.36.1