linux-kernel - Re: [PATCH 3/3] checkkconfigsymbols.py: Forbid passing 'HEAD' to --commit

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

Date:   Tue, 24 Aug 2021 22:31:57 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Ariel Marcovitch <arielmarcovitch@...il.com>
Cc:     Michal Marek <michal.lkml@...kovi.net>,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Valentin Rothberg <valentinrothberg@...il.com>
Subject: Re: [PATCH 3/3] checkkconfigsymbols.py: Forbid passing 'HEAD' to --commit

On Mon, Aug 23, 2021 at 4:23 AM Ariel Marcovitch
<arielmarcovitch@...il.com> wrote:
>
> As opposed to the --diff option, --commit can get ref names instead of
> commit hashes.
>
> When using the --commit option, the script resets the working directory
> to the commit before the given ref, by adding '~' to the end of the ref.
>
> However, the 'HEAD' ref is relative, and so when the working directory
> is reset to 'HEAD~', 'HEAD' points to what was 'HEAD~'. Then when the
> script resets to 'HEAD' it actually stays in the same commit. In this
> case, the script won't report any cases because there is no diff between
> the cases of the two refs.
>
> Prevent the user from using HEAD refs.
>
> A better solution might be to resolve the refs before doing the
> reset, but for now just disallow such refs.


Better than doing nothing.
So, applied to linux-kbuild.





> Signed-off-by: Ariel Marcovitch <arielmarcovitch@...il.com>
> ---
>  scripts/checkkconfigsymbols.py | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/scripts/checkkconfigsymbols.py b/scripts/checkkconfigsymbols.py
> index 875e9a2c14b2..6259698e662d 100755
> --- a/scripts/checkkconfigsymbols.py
> +++ b/scripts/checkkconfigsymbols.py
> @@ -103,6 +103,9 @@ def parse_options():
>                       "continue.")
>
>      if args.commit:
> +        if args.commit.startswith('HEAD'):
> +            sys.exit("The --commit option can't get use the HEAD ref")
> +
>          args.find = False
>
>      if args.ignore:
> --
> 2.25.1
>


-- 
Best Regards
Masahiro Yamada