From 1179ff4b71e60b8ddf857e0b861d3e093c9605c5 Mon Sep 17 00:00:00 2001
From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Fri, 15 Jul 2022 08:11:02 +0000
Subject: [PATCH 1/4] fix refleak

---
 Modules/_io/textio.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index 660396b8b03ead..e4b1310b8a182c 100644
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -1247,6 +1247,7 @@ textiowrapper_change_encoding(textio *self, PyObject *encoding,
         if (errors == Py_None) {
             errors = self->errors;
         }
+        Py_INCREF(encoding);
     }
     else {
         if (_PyUnicode_EqualToASCIIString(encoding, "locale")) {
@@ -1262,6 +1263,7 @@ textiowrapper_change_encoding(textio *self, PyObject *encoding,
 
     const char *c_errors = PyUnicode_AsUTF8(errors);
     if (c_errors == NULL) {
+        Py_DECREF(encoding);
         return -1;
     }
 
@@ -1269,16 +1271,17 @@ textiowrapper_change_encoding(textio *self, PyObject *encoding,
     PyObject *codec_info = _PyCodec_LookupTextEncoding(
         PyUnicode_AsUTF8(encoding), "codecs.open()");
     if (codec_info == NULL) {
+        Py_DECREF(encoding);
         return -1;
     }
     if (_textiowrapper_set_decoder(self, codec_info, c_errors) != 0 ||
             _textiowrapper_set_encoder(self, codec_info, c_errors) != 0) {
         Py_DECREF(codec_info);
+        Py_DECREF(encoding);
         return -1;
     }
     Py_DECREF(codec_info);
 
-    Py_INCREF(encoding);
     Py_INCREF(errors);
     Py_SETREF(self->encoding, encoding);
     Py_SETREF(self->errors, errors);

From a63196cc80ec53d5fa90557eec6da054a6d0790e Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Fri, 15 Jul 2022 08:13:53 +0000
Subject: [PATCH 2/4] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
 =?UTF-8?q?rb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../next/Library/2022-07-15-08-13-51.gh-issue-94857.9_KvZJ.rst   | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/Library/2022-07-15-08-13-51.gh-issue-94857.9_KvZJ.rst

diff --git a/Misc/NEWS.d/next/Library/2022-07-15-08-13-51.gh-issue-94857.9_KvZJ.rst b/Misc/NEWS.d/next/Library/2022-07-15-08-13-51.gh-issue-94857.9_KvZJ.rst
new file mode 100644
index 00000000000000..e684415595d1d2
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-07-15-08-13-51.gh-issue-94857.9_KvZJ.rst
@@ -0,0 +1 @@
+Fix refleak in ``_io.TextIOWrapper.reconfigure``. Patch by Kumar Aditya.

From dcfae4c235676b376d68b0f4080fb36c161670c0 Mon Sep 17 00:00:00 2001
From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Fri, 15 Jul 2022 08:25:07 +0000
Subject: [PATCH 3/4] add missing incref

---
 Modules/_io/textio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index e4b1310b8a182c..cf71bf337765f5 100644
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -1256,6 +1256,7 @@ textiowrapper_change_encoding(textio *self, PyObject *encoding,
                 return -1;
             }
         }
+        Py_INCREF(encoding);
         if (errors == Py_None) {
             errors = &_Py_ID(strict);
         }

From fed6decd085bef1c95beb5d61e2c2c9c5299d8dc Mon Sep 17 00:00:00 2001
From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Fri, 15 Jul 2022 08:26:54 +0000
Subject: [PATCH 4/4] incref on else

---
 Modules/_io/textio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Modules/_io/textio.c b/Modules/_io/textio.c
index cf71bf337765f5..89094d66f38343 100644
--- a/Modules/_io/textio.c
+++ b/Modules/_io/textio.c
@@ -1255,8 +1255,9 @@ textiowrapper_change_encoding(textio *self, PyObject *encoding,
             if (encoding == NULL) {
                 return -1;
             }
+        } else {
+            Py_INCREF(encoding);
         }
-        Py_INCREF(encoding);
         if (errors == Py_None) {
             errors = &_Py_ID(strict);
         }