linux-kernel - Re: [RFC PATCH ghak59 V1 2/6] audit: add syscall information to CONFIG

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Message-ID: <CAHC9VhQB+mRmtwu6fN=bqwp9mX7bkqEaE6NAbXhbffc_EDSLgQ@mail.gmail.com>
Date:   Thu, 28 Jun 2018 18:10:44 -0400
From:   Paul Moore <paul@...l-moore.com>
To:     rgb@...hat.com
Cc:     linux-audit@...hat.com, linux-kernel@...r.kernel.org,
        Eric Paris <eparis@...isplace.org>, sgrubb@...hat.com,
        aviro@...hat.com
Subject: Re: [RFC PATCH ghak59 V1 2/6] audit: add syscall information to
 CONFIG_CHANGE records

On Thu, Jun 28, 2018 at 5:47 PM Paul Moore <paul@...l-moore.com> wrote:
>
> On Thu, Jun 14, 2018 at 4:23 PM Richard Guy Briggs <rgb@...hat.com> wrote:
> >
> > Tie syscall information to all CONFIG_CHANGE calls since they are all a
> > result of user actions.
> >
> > See: https://github.com/linux-audit/audit-kernel/issues/59
> > See: https://github.com/linux-audit/audit-kernel/issues/50
> > Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
> > ---
> >  kernel/audit.c          | 4 ++--
> >  kernel/audit_fsnotify.c | 2 +-
> >  kernel/audit_tree.c     | 2 +-
> >  kernel/audit_watch.c    | 2 +-
> >  kernel/auditfilter.c    | 2 +-
> >  5 files changed, 6 insertions(+), 6 deletions(-)
>
> Merged, thanks.

Actually, I take that back (good thing I hadn't pushed yet).

Why don't you squash this patch with 3/6 so that a bisect or
cherry-pick backport doesn't end up splitting 2/6 and 3/6 and causing
a regression with the AUDIT_USER_* records.

> > diff --git a/kernel/audit.c b/kernel/audit.c
> > index ad54339..e469234 100644
> > --- a/kernel/audit.c
> > +++ b/kernel/audit.c
> > @@ -400,7 +400,7 @@ static int audit_log_config_change(char *function_name, u32 new, u32 old,
> >         struct audit_buffer *ab;
> >         int rc = 0;
> >
> > -       ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
> > +       ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_CONFIG_CHANGE);
> >         if (unlikely(!ab))
> >                 return rc;
> >         audit_log_format(ab, "op=set %s=%u old=%u", function_name, new, old);
> > @@ -1067,7 +1067,7 @@ static void audit_log_common_recv_msg(struct audit_buffer **ab, u16 msg_type)
> >                 return;
> >         }
> >
> > -       *ab = audit_log_start(NULL, GFP_KERNEL, msg_type);
> > +       *ab = audit_log_start(audit_context(), GFP_KERNEL, msg_type);
> >         if (unlikely(!*ab))
> >                 return;
> >         audit_log_format(*ab, "pid=%d uid=%u", pid, uid);
> > diff --git a/kernel/audit_fsnotify.c b/kernel/audit_fsnotify.c
> > index 52f368b..1640eb6 100644
> > --- a/kernel/audit_fsnotify.c
> > +++ b/kernel/audit_fsnotify.c
> > @@ -127,7 +127,7 @@ static void audit_mark_log_rule_change(struct audit_fsnotify_mark *audit_mark, c
> >
> >         if (!audit_enabled)
> >                 return;
> > -       ab = audit_log_start(NULL, GFP_NOFS, AUDIT_CONFIG_CHANGE);
> > +       ab = audit_log_start(audit_context(), GFP_NOFS, AUDIT_CONFIG_CHANGE);
> >         if (unlikely(!ab))
> >                 return;
> >         audit_log_format(ab, "auid=%u ses=%u op=%s",
> > diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
> > index 5e9d1e5..a01b9da 100644
> > --- a/kernel/audit_tree.c
> > +++ b/kernel/audit_tree.c
> > @@ -499,7 +499,7 @@ static void audit_tree_log_remove_rule(struct audit_krule *rule)
> >
> >         if (!audit_enabled)
> >                 return;
> > -       ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
> > +       ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_CONFIG_CHANGE);
> >         if (unlikely(!ab))
> >                 return;
> >         audit_log_format(ab, "op=remove_rule");
> > diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
> > index 9b4836b..da2978b 100644
> > --- a/kernel/audit_watch.c
> > +++ b/kernel/audit_watch.c
> > @@ -242,7 +242,7 @@ static void audit_watch_log_rule_change(struct audit_krule *r, struct audit_watc
> >
> >         if (!audit_enabled)
> >                 return;
> > -       ab = audit_log_start(NULL, GFP_NOFS, AUDIT_CONFIG_CHANGE);
> > +       ab = audit_log_start(audit_context(), GFP_NOFS, AUDIT_CONFIG_CHANGE);
> >         if (!ab)
> >                 return;
> >         audit_log_format(ab, "auid=%u ses=%u op=%s",
> > diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
> > index eaa3201..6e19acb 100644
> > --- a/kernel/auditfilter.c
> > +++ b/kernel/auditfilter.c
> > @@ -1093,7 +1093,7 @@ static void audit_log_rule_change(char *action, struct audit_krule *rule, int re
> >         if (!audit_enabled)
> >                 return;
> >
> > -       ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_CONFIG_CHANGE);
> > +       ab = audit_log_start(audit_context(), GFP_KERNEL, AUDIT_CONFIG_CHANGE);
> >         if (!ab)
> >                 return;
> >         audit_log_session_info(ab);
> > --
> > 1.8.3.1
> >
>
>
> --
> paul moore
> www.paul-moore.com



-- 
paul moore
www.paul-moore.com