summaryrefslogtreecommitdiffstats
path: root/Lib/test
diff options
context:
space:
mode:
authorMiss Islington (bot) <31488909+miss-islington@users.noreply.github.com>2024-01-17 13:31:33 (GMT)
committerGitHub <noreply@github.com>2024-01-17 13:31:33 (GMT)
commit00e77935193221f1601405587b9ec05c14c13284 (patch)
tree28d9a13660a50ff54eb673fec3edeaa162fcf57f /Lib/test
parent27941b14ab9ecdb88fe2ced68b50fa428c2ea8f2 (diff)
downloadcpython-00e77935193221f1601405587b9ec05c14c13284.zip
cpython-00e77935193221f1601405587b9ec05c14c13284.tar.gz
cpython-00e77935193221f1601405587b9ec05c14c13284.tar.bz2
[3.12] gh-104282: Fix null pointer dereference in `lzma._decode_filter_properties` (GH-104283) (GH-114181)
(cherry picked from commit 0154405350c272833bd51f68138223655e142a37) Co-authored-by: Radislav Chugunov <52372310+chgnrdv@users.noreply.github.com>
Diffstat (limited to 'Lib/test')
-rw-r--r--Lib/test/test_lzma.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/Lib/test/test_lzma.py b/Lib/test/test_lzma.py
index 13b2009..65e6488 100644
--- a/Lib/test/test_lzma.py
+++ b/Lib/test/test_lzma.py
@@ -1401,6 +1401,14 @@ class MiscellaneousTestCase(unittest.TestCase):
self.assertEqual(filterspec["lc"], 3)
self.assertEqual(filterspec["dict_size"], 8 << 20)
+ # see gh-104282
+ filters = [lzma.FILTER_X86, lzma.FILTER_POWERPC,
+ lzma.FILTER_IA64, lzma.FILTER_ARM,
+ lzma.FILTER_ARMTHUMB, lzma.FILTER_SPARC]
+ for f in filters:
+ filterspec = lzma._decode_filter_properties(f, b"")
+ self.assertEqual(filterspec, {"id": f})
+
def test_filter_properties_roundtrip(self):
spec1 = lzma._decode_filter_properties(
lzma.FILTER_LZMA1, b"]\x00\x00\x80\x00")