[Bug 38598] New: Crash when UpdateLayeredWindow with large window & complicated transparency
wine-bugs at winehq.org
wine-bugs at winehq.org
Sat May 16 22:02:05 CDT 2015
https://bugs.winehq.org/show_bug.cgi?id=38598
Bug ID: 38598
Summary: Crash when UpdateLayeredWindow with large window &
complicated transparency
Product: Wine
Version: 1.7.42
Hardware: x86-64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gdi32
Assignee: wine-bugs at winehq.org
Reporter: m13253 at hotmail.com
Distribution: ---
The program that causes the bug is here:
https://gist.github.com/m13253/092b94c7bd526a9a4e57
A .exe executable is also included in the Git repo.
The program is tested to be fine under Windows 10.
Upon successful execution, the program creates a transparent panel with spotted
background on the right half of the screen.
Wine failed with the following messages:
X Error of failed request: BadLength (poly request too large or internal
Xlib length error)
Major opcode of failed request: 33 (X_GrabKey)
Serial number of failed request: 219
Current serial number in output stream: 227
Depending on the window size, the "major opcode" may vary.
This issue only occurs when:
Source line 72-76: The window size is large enough
and
Source line 115-131: The RGBA bitmap is complicated, especially the alpha
channel
Additional info:
Distribution: ArchLinux
It is a WINEARCH=win32 prefix.
libx11: 1.6.3-1
xorg-server: 1.17.1-5
mesa: 10.5.4-1
gnome-shell: 3.16.1-2
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