From c3023bef537648b282f266878ea8de7a350b3a45 Mon Sep 17 00:00:00 2001

From: Serhei Makarov <smakarov@redhat.com>

Date: Fri, 9 Nov 2018 16:42:21 -0500

Subject: [PATCH 28/32] testcase for PR23875

This triggers a 'stack smashing' error in the userspace interpreter.

* testsuite/systemtap.bpf/bpf_tests/pr23875.stp: New testcase.

---

 testsuite/systemtap.bpf/bpf_tests/pr23875.stp | 18 ++++++++++++++++++

 1 file changed, 18 insertions(+)

 create mode 100644 testsuite/systemtap.bpf/bpf_tests/pr23875.stp

diff --git a/testsuite/systemtap.bpf/bpf_tests/pr23875.stp b/testsuite/systemtap.bpf/bpf_tests/pr23875.stp

new file mode 100644

index 000000000..a31f1d087

--- /dev/null

+++ b/testsuite/systemtap.bpf/bpf_tests/pr23875.stp

@@ -0,0 +1,18 @@

+global t

+

+probe begin {

+  printf("BEGIN\n")

+}

+

+probe kernel.function("vfs_read") {

+  t["key"] = 6

+  exit()

+}

+

+probe end {

+  c = 0

+  foreach (k in t)

+    c++

+  printf("%d\n", c)

+  printf("END PASS\n")

+}

-- 

2.14.5