Audit link denied events generate duplicate PATH records which disagree in different ways from symlink and hardlink denials. audit_log_link_denied() should not directly generate PATH records.
See: https://github.com/linux-audit/audit-kernel/issues/21 Signed-off-by: Richard Guy Briggs <r...@redhat.com> --- kernel/audit.c | 14 +------------- 1 file changed, 1 insertion(+), 13 deletions(-) diff --git a/kernel/audit.c b/kernel/audit.c index 4c3fd24..683b249 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -2259,31 +2259,19 @@ void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk) void audit_log_link_denied(const char *operation, const struct path *link) { struct audit_buffer *ab; - struct audit_names *name; if (!audit_enabled || audit_dummy_context()) return; - name = kzalloc(sizeof(*name), GFP_NOFS); - if (!name) - return; - /* Generate AUDIT_ANOM_LINK with subject, operation, outcome. */ ab = audit_log_start(current->audit_context, GFP_KERNEL, AUDIT_ANOM_LINK); if (!ab) - goto out; + return; audit_log_format(ab, "op=%s", operation); audit_log_task_info(ab, current); audit_log_format(ab, " res=0"); audit_log_end(ab); - - /* Generate AUDIT_PATH record with object. */ - name->type = AUDIT_TYPE_NORMAL; - audit_copy_inode(name, link->dentry, d_backing_inode(link->dentry)); - audit_log_name(current->audit_context, name, link, 0, NULL); -out: - kfree(name); } /** -- 1.8.3.1 -- Linux-audit mailing list Linux-audit@redhat.com https://www.redhat.com/mailman/listinfo/linux-audit
