[PATCH 2/2] audit: block PERM fields being used with io_uring filtering

[Richard Guy Briggs]

The commit ("audit: add filtering for io_uring records") added support for
filtering io_uring operations.  The PERM field is invalid for io_uring
filtering, so block it.

Signed-off-by: Richard Guy Briggs <r...@redhat.com>
---
 kernel/auditfilter.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index bcdedfd1088c..d75acb014ccd 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -336,6 +336,10 @@ static int audit_field_valid(struct audit_entry *entry, 
struct audit_field *f)
                if (entry->rule.listnr != AUDIT_FILTER_FS)
                        return -EINVAL;
                break;
+       case AUDIT_PERM:
+               if (entry->rule.listnr == AUDIT_FILTER_URING_EXIT)
+                       return -EINVAL;
+               break;
        }
 
        switch (entry->rule.listnr) {
-- 
2.27.0

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