[Bug 48077] New: UPlay fails to start : "Error at hooking API NtProtectVirtualMemory" (UPlay's hooking engine can't handle ENDBR32 instruction inserted at non-hotpatch API entries due to distro build environments '-fcf-protection')
WineHQ Bugzilla
wine-bugs at winehq.org
Mon Nov 11 07:17:52 CST 2019
https://bugs.winehq.org/show_bug.cgi?id=48077
Bug ID: 48077
Summary: UPlay fails to start : "Error at hooking API
NtProtectVirtualMemory" (UPlay's hooking engine can't
handle ENDBR32 instruction inserted at non-hotpatch
API entries due to distro build environments
'-fcf-protection')
Product: Wine
Version: 4.19
Hardware: x86-64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: ntdll
Assignee: wine-bugs at winehq.org
Reporter: dario at mailo.com
Distribution: ---
This is related to bug 46626 and possibly bug 45199. When Wine is built with
-fcf-protection flag, on my AMD CPU the latest version of Uplay throws the
error message in the title. To fix the issue I modified one line in
dlls/ntdll/virtual.c from:
NTSTATUS WINAPI NtProtectVirtualMemory( HANDLE process, PVOID *addr_ptr, SIZE_T
*size_ptr, ULONG new_prot, ULONG *old_prot )
to:
NTSTATUS WINAPI DECLSPEC_HOTPATCH NtProtectVirtualMemory( HANDLE process, PVOID
*addr_ptr, SIZE_T *size_ptr, ULONG new_prot, ULONG *old_prot )
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