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authorLinus Torvalds <torvalds@linux-foundation.org>2020-03-31 15:04:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-03-31 15:04:17 -0700
commit674d85eb2d7dc6ef436f46f770f7ab3f1b9c6669 (patch)
treecaa893017dd4e9271da551cd1c059e8200f75420 /kernel
parent645c248d6fc4350562766fefd8ba1d7defe4b5e7 (diff)
parent1320a4052ea11eb2879eb7361da15a106a780972 (diff)
Merge tag 'audit-pr-20200330' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit
Pull audit updates from Paul Moore: "We've got two audit patches for the v5.7 merge window with a stellar 14 lines changed between the two patches. The patch descriptions are far more lengthy than the patches themselves, which is a very good thing for patches this size IMHO. The patches pass our test suites and a quick summary is below: - Stop logging inode information when updating an audit file watch. Since we are not changing the inode, or the fact that we are watching the associated file, the inode information is just noise that we can do without. - Fix a problem where mandatory audit records were missing their accompanying audit records (e.g. SYSCALL records were missing). The missing records often meant that we didn't have the necessary context to understand what was going on when the event occurred" * tag 'audit-pr-20200330' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/audit: audit: trigger accompanying records when no rules present audit: CONFIG_CHANGE don't log internal bookkeeping as an event
Diffstat (limited to 'kernel')
-rw-r--r--kernel/audit.c1
-rw-r--r--kernel/audit.h8
-rw-r--r--kernel/audit_watch.c2
-rw-r--r--kernel/auditsc.c3
4 files changed, 9 insertions, 5 deletions
diff --git a/kernel/audit.c b/kernel/audit.c
index 9ddfe2aa6671..b69c8b460341 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1800,6 +1800,7 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
}
audit_get_stamp(ab->ctx, &t, &serial);
+ audit_clear_dummy(ab->ctx);
audit_log_format(ab, "audit(%llu.%03lu:%u): ",
(unsigned long long)t.tv_sec, t.tv_nsec/1000000, serial);
diff --git a/kernel/audit.h b/kernel/audit.h
index 6fb7160412d4..2eed4d231624 100644
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -290,6 +290,13 @@ extern int audit_signal_info_syscall(struct task_struct *t);
extern void audit_filter_inodes(struct task_struct *tsk,
struct audit_context *ctx);
extern struct list_head *audit_killed_trees(void);
+
+static inline void audit_clear_dummy(struct audit_context *ctx)
+{
+ if (ctx)
+ ctx->dummy = 0;
+}
+
#else /* CONFIG_AUDITSYSCALL */
#define auditsc_get_stamp(c, t, s) 0
#define audit_put_watch(w) {}
@@ -323,6 +330,7 @@ static inline int audit_signal_info_syscall(struct task_struct *t)
}
#define audit_filter_inodes(t, c) AUDIT_DISABLED
+#define audit_clear_dummy(c) {}
#endif /* CONFIG_AUDITSYSCALL */
extern char *audit_unpack_string(void **bufp, size_t *remain, size_t len);
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 4508d5e0cf69..8a8fd732ff6d 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -302,8 +302,6 @@ static void audit_update_watch(struct audit_parent *parent,
if (oentry->rule.exe)
audit_remove_mark(oentry->rule.exe);
- audit_watch_log_rule_change(r, owatch, "updated_rules");
-
call_rcu(&oentry->rcu, audit_free_rule_rcu);
}
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 4effe01ebbe2..814406a35db1 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1406,9 +1406,6 @@ static void audit_log_proctitle(void)
struct audit_context *context = audit_context();
struct audit_buffer *ab;
- if (!context || context->dummy)
- return;
-
ab = audit_log_start(context, GFP_KERNEL, AUDIT_PROCTITLE);
if (!ab)
return; /* audit_panic or being filtered */