1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
From a8b5510a30a5e8761e841c799a472c6f25560698 Mon Sep 17 00:00:00 2001
From: Stanislav Malyshev <stas@php.net>
Date: Sat, 15 Feb 2020 20:52:19 -0800
Subject: [PATCH 1/3] Fix bug #79221 - Null Pointer Dereference in PHP Session
Upload Progress
(cherry picked from commit d76f7c6c636b8240e06a1fa29eebb98ad005008a)
---
ext/session/session.c | 8 +++---
ext/session/tests/bug79221.phpt | 45 +++++++++++++++++++++++++++++++++
2 files changed, 50 insertions(+), 3 deletions(-)
create mode 100644 ext/session/tests/bug79221.phpt
diff --git a/ext/session/session.c b/ext/session/session.c
index b2d02361df..d759fcabbf 100644
--- a/ext/session/session.c
+++ b/ext/session/session.c
@@ -2820,9 +2820,11 @@ static int php_session_rfc1867_callback(unsigned int event, void *event_data, vo
if (PS(rfc1867_cleanup)) {
php_session_rfc1867_cleanup(progress TSRMLS_CC);
} else {
- add_assoc_bool_ex(progress->data, "done", sizeof("done"), 1);
- Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
- php_session_rfc1867_update(progress, 1 TSRMLS_CC);
+ if (progress->data) {
+ add_assoc_bool_ex(progress->data, "done", sizeof("done"), 1);
+ Z_LVAL_P(progress->post_bytes_processed) = data->post_bytes_processed;
+ php_session_rfc1867_update(progress, 1 TSRMLS_CC);
+ }
}
php_rshutdown_session_globals(TSRMLS_C);
}
diff --git a/ext/session/tests/bug79221.phpt b/ext/session/tests/bug79221.phpt
new file mode 100644
index 0000000000..b0972c4697
--- /dev/null
+++ b/ext/session/tests/bug79221.phpt
@@ -0,0 +1,45 @@
+--TEST--
+Null Pointer Dereference in PHP Session Upload Progress
+--INI--
+error_reporting=0
+file_uploads=1
+upload_max_filesize=1024
+session.save_path=
+session.name=PHPSESSID
+session.serialize_handler=php
+session.use_strict_mode=0
+session.use_cookies=1
+session.use_only_cookies=0
+session.upload_progress.enabled=1
+session.upload_progress.cleanup=0
+session.upload_progress.prefix=upload_progress_
+session.upload_progress.name=PHP_SESSION_UPLOAD_PROGRESS
+session.upload_progress.freq=1%
+session.upload_progress.min_freq=0.000000001
+--COOKIE--
+PHPSESSID=session-upload
+--POST_RAW--
+Content-Type: multipart/form-data; boundary=---------------------------20896060251896012921717172737
+-----------------------------20896060251896012921717172737
+Content-Disposition: form-data; name="PHPSESSID"
+
+session-upload
+-----------------------------20896060251896012921717172737
+Content-Disposition: form-data; name="PHP_SESSION_UPLOAD_PROGRESS"
+
+ryat
+-----------------------------20896060251896012921717172737
+Content-Disposition: form-data; file="file"; ryat="filename"
+
+1
+-----------------------------20896060251896012921717172737--
+--FILE--
+<?php
+
+session_start();
+var_dump($_SESSION);
+session_destroy();
+
+--EXPECTF--
+array(0) {
+}
--
2.24.1
|
