From: Takashi Yano <takashi.yano@nifty.ne.jp>
To: cygwin-patches@cygwin.com
Subject: [PATCH v2] Cygwin: clipboard: Fix a bug in read().
Date: Tue, 7 Dec 2021 23:00:06 +0900 [thread overview]
Message-ID: <20211207140006.912-1-takashi.yano@nifty.ne.jp> (raw)
- Fix a bug in fhandler_dev_clipboard::read() that the second read
fails with 'Bad address'.
Addresses:
https://cygwin.com/pipermail/cygwin/2021-December/250141.html
---
winsup/cygwin/fhandler_clipboard.cc | 2 +-
winsup/cygwin/release/3.3.4 | 6 ++++++
2 files changed, 7 insertions(+), 1 deletion(-)
create mode 100644 winsup/cygwin/release/3.3.4
diff --git a/winsup/cygwin/fhandler_clipboard.cc b/winsup/cygwin/fhandler_clipboard.cc
index 0b87dd352..ae10228a7 100644
--- a/winsup/cygwin/fhandler_clipboard.cc
+++ b/winsup/cygwin/fhandler_clipboard.cc
@@ -229,7 +229,7 @@ fhandler_dev_clipboard::read (void *ptr, size_t& len)
if (pos < (off_t) clipbuf->cb_size)
{
ret = (len > (clipbuf->cb_size - pos)) ? clipbuf->cb_size - pos : len;
- memcpy (ptr, &clipbuf[1] + pos , ret);
+ memcpy (ptr, (char *) &clipbuf[1] + pos, ret);
pos += ret;
}
}
diff --git a/winsup/cygwin/release/3.3.4 b/winsup/cygwin/release/3.3.4
new file mode 100644
index 000000000..f1c32a1a5
--- /dev/null
+++ b/winsup/cygwin/release/3.3.4
@@ -0,0 +1,6 @@
+Bug Fixes
+---------
+
+- Fix a bug in fhandler_dev_clipboard::read() that the second read
+ fails with 'Bad address'.
+ Addresses: https://cygwin.com/pipermail/cygwin/2021-December/250141.html
--
2.34.1
next reply other threads:[~2021-12-07 14:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-07 14:00 Takashi Yano [this message]
2021-12-07 14:23 ` Corinna Vinschen
2021-12-07 20:18 ` Thomas Wolff
2021-12-08 5:53 ` Brian Inglis
2021-12-08 6:30 ` Mark Geisert
2021-12-08 7:24 ` Brian Inglis
2021-12-08 8:19 ` Takashi Yano
2021-12-08 9:43 ` Mark Geisert
2021-12-08 10:19 ` Corinna Vinschen
2021-12-08 18:46 ` Thomas Wolff
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