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From:   Eric Biggers <ebiggers@kernel.org>
To:     linux-kernel@vger.kernel.org
Cc:     linux-fsdevel@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Jeff Vander Stoep <jeffv@google.com>,
        Jessica Yu <jeyu@kernel.org>,
        Kees Cook <keescook@chromium.org>,
        Luis Chamberlain <mcgrof@kernel.org>,
        NeilBrown <neilb@suse.com>
Subject: [PATCH v3 0/5] module autoloading fixes and cleanups
Date:   Sat, 14 Mar 2020 14:34:21 -0700
Message-Id: <20200314213426.134866-1-ebiggers@kernel.org>
MIME-Version: 1.0
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Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

This series fixes a bug where request_module() was reporting success to
kernel code when module autoloading had been completely disabled via
'echo > /proc/sys/kernel/modprobe'.

It also addresses the issues raised on the original thread
(https://lkml.kernel.org/lkml/20200310223731.126894-1-ebiggers@kernel.org/T/#u)
by documenting the modprobe sysctl, adding a self-test for the empty
path case, and downgrading a user-reachable WARN_ONCE().

Changed since v2:
  - Adjusted the new documentation to avoid implicitly bringing up
    module aliases, which are a more complex topic.
  - Split the selftest patch into two patches, one to fix the test
    numbering bug and one to add the new tests.

Changed since v1:
  - Added patches to address the other issues raised on the thread.

Eric Biggers (5):
  kmod: make request_module() return an error when autoloading is
    disabled
  fs/filesystems.c: downgrade user-reachable WARN_ONCE() to
    pr_warn_once()
  docs: admin-guide: document the kernel.modprobe sysctl
  selftests: kmod: fix handling test numbers above 9
  selftests: kmod: test disabling module autoloading

 Documentation/admin-guide/sysctl/kernel.rst | 25 +++++++++++-
 fs/filesystems.c                            |  4 +-
 kernel/kmod.c                               |  4 +-
 tools/testing/selftests/kmod/kmod.sh        | 43 +++++++++++++++++++--
 4 files changed, 68 insertions(+), 8 deletions(-)

-- 
2.25.1