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SUSE:SLE-15-SP1:GA
python-libxml2-python.17678
libxml2-python3-string-null-check.patch
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File libxml2-python3-string-null-check.patch of Package python-libxml2-python.17678
From 07b1c4c8a736a31ac4b8ae13ea25d50793dfea83 Mon Sep 17 00:00:00 2001 From: Mike Gorse <mgorse@alum.wpi.edu> Date: Fri, 25 Jan 2019 12:55:52 -0600 Subject: [PATCH] python: return None if PY_IMPORT_STRING returns NULL PY_IMPORT_STRING might return NULL on python 3 if, ie, a string can't be encoded. We should check for this and return None, rather than returning NULL. Fixes a NULL pointer dereference when reporting an error with an invalid string. --- python/types.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/python/types.c b/python/types.c index 124af565..50951ba3 100644 --- a/python/types.c +++ b/python/types.c @@ -150,6 +150,10 @@ libxml_charPtrConstWrap(const char *str) return (Py_None); } ret = PY_IMPORT_STRING(str); + if (ret == NULL) { + Py_INCREF(Py_None); + return (Py_None); + } return (ret); } -- 2.18.0
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