[PATCH 2/2] audit: block PERM fields being used with io_uring filtering
flat view
STALE1871d
From: Richard Guy Briggs <hidden>
Date: 2021-05-31 13:49:22
Also in:
io-uring, linux-fsdevel, selinux
Subsystem:
audit subsystem, the rest · Maintainers:
Paul Moore, Eric Paris, Linus Torvalds
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 <redacted>
---
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