From 16dc5f73a511b4cf51baf7eb664a0bc4c1ddf909 Mon Sep 17 00:00:00 2001
From: Kevin Backhouse <kevinbackhouse@github.com>
Date: Wed, 21 Jul 2021 19:53:59 +0100
Subject: [PATCH] Regression test for
 https://github.com/Exiv2/exiv2/security/advisories/GHSA-mvc4-g5pv-4qqq

---
 test/data/issue_ghsa_mvc4_g5pv_4qqq_poc.jpg   | Bin 0 -> 66 bytes
 .../github/test_issue_ghsa_mvc4_g5pv_4qqq.py  |  20 ++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 test/data/issue_ghsa_mvc4_g5pv_4qqq_poc.jpg
 create mode 100644 tests/bugfixes/github/test_issue_ghsa_mvc4_g5pv_4qqq.py

diff --git a/test/data/issue_ghsa_mvc4_g5pv_4qqq_poc.jpg b/test/data/issue_ghsa_mvc4_g5pv_4qqq_poc.jpg
new file mode 100644
index 0000000000000000000000000000000000000000..f3d75f95cc039523d6fb122d1b042a07e6cb7a73
GIT binary patch
literal 66
zcmex=<NpH&0WUXCH-_SjJlp-d-#aQPWEwEs`2UtcARr^ZB)>Q#zd*rQ&w#<)$&;6X
VfgyttNH8!6Fy^FI>M{Jk2>@6C71IC!

literal 0
HcmV?d00001

diff --git a/tests/bugfixes/github/test_issue_ghsa_mvc4_g5pv_4qqq.py b/tests/bugfixes/github/test_issue_ghsa_mvc4_g5pv_4qqq.py
new file mode 100644
index 00000000..14222391
--- /dev/null
+++ b/tests/bugfixes/github/test_issue_ghsa_mvc4_g5pv_4qqq.py
@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+
+from system_tests import CaseMeta, CopyTmpFiles, path
+@CopyTmpFiles("$data_path/issue_ghsa_mvc4_g5pv_4qqq_poc.jpg")
+
+class JpegBasePrintStructureInfiniteLoop(metaclass=CaseMeta):
+    """
+    Regression test for the bug described in:
+    https://github.com/Exiv2/exiv2/security/advisories/GHSA-mvc4-g5pv-4qqq
+    """
+    url = "https://github.com/Exiv2/exiv2/security/advisories/GHSA-mvc4-g5pv-4qqq"
+
+    filename = path("$tmp_path/issue_ghsa_mvc4_g5pv_4qqq_poc.jpg")
+    commands = ["$exiv2 -d I rm $filename"]
+    stdout = [""]
+    stderr = [
+"""Exiv2 exception in erase action for file $filename:
+$kerFailedToReadImageData
+"""]
+    retval = [1]