[Bug 52101] New: In UDEV lnxev mode the winedevice.exe process of winebus.sys crashes on a keypress from the keyboard.
WineHQ Bugzilla
wine-bugs at winehq.org
Wed Nov 24 22:14:27 CST 2021
https://bugs.winehq.org/show_bug.cgi?id=52101
Bug ID: 52101
Summary: In UDEV lnxev mode the winedevice.exe process of
winebus.sys crashes on a keypress from the keyboard.
Product: Wine
Version: 6.22
Hardware: x86-64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: hid
Assignee: wine-bugs at winehq.org
Reporter: logos128 at gmail.com
CC: rbernon at codeweavers.com
Distribution: ArchLinux
Created attachment 71121
--> https://bugs.winehq.org/attachment.cgi?id=71121
winebus_crash_v6.22.log.tar.gz
It happens only on an user account with administrator rights (superuser, etc.).
As it crashes on a keypress, this makes pretty difficult attaching a debugger
to the crashing process :)
Found out that lnxev backend doesn't add normal keys to the staged report
descriptor, which makes any usb keyboard appear with an empty Input report.
The actual crash happens in winebus.sys/main.c process_hid_report(), when it
tries to resolve the ext->collection_desc.ReportIDs[0].ReportID.
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