Tests for dereferences of struct with external pointers as members

tests/python/test_clang.py

@@ -343,6 +343,32 @@ def test_probe_simple_assign(self):
  return 0;
 }""")
 
+ def test_probe_simple_member_assign(self):
+ b = BPF(text="""
+#include <uapi/linux/ptrace.h>
+#include <linux/netdevice.h>
+struct leaf { void *ptr; };
+int test(struct pt_regs *ctx, struct sk_buff *skb) {
+ struct leaf l = {};
+ struct leaf *lp = &l;
+ lp->ptr = skb;
+ return 0;
+}""")
+ b.load_func("test", BPF.KPROBE)
+
+ def test_probe_member_expr(self):
+ b = BPF(text="""
+#include <uapi/linux/ptrace.h>
+#include <linux/netdevice.h>
+struct leaf { struct sk_buff *ptr; };
+int test(struct pt_regs *ctx, struct sk_buff *skb) {
+ struct leaf l = {};
+ struct leaf *lp = &l;
+ lp->ptr = skb;
+ return lp->ptr->priority;
+}""")
+ b.load_func("test", BPF.KPROBE)
+
  def test_unop_probe_read(self):
  text = """
 #include <linux/blkdev.h>