advapi32: Hold lock while processing service controls.

Signed-off-by: Sebastian Lackner <sebastian@fds-team.de> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

advapi32: Hold lock while processing service controls.
63c36da6 · Sebastian Lackner · Alexandre Julliard · f4590e91 · 63c36da6
Commit 63c36da6 authored Aug 17, 2016 by Sebastian Lackner Committed by Alexandre Julliard Aug 18, 2016
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service.c dlls/advapi32/service.c +3 -0

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--- a/dlls/advapi32/service.c
+++ b/dlls/advapi32/service.c
@@ -461,6 +461,8 @@ static DWORD WINAPI service_control_dispatcher(LPVOID arg)
            }
        }

+        EnterCriticalSection( &service_cs );
+
        /* validate service name */
        name = (WCHAR *)data;
        if (!info.name_size || data_size < info.name_size * sizeof(WCHAR) || name[info.name_size - 1])
@@ -504,6 +506,7 @@ static DWORD WINAPI service_control_dispatcher(LPVOID arg)
        }

    done:
+        LeaveCriticalSection( &service_cs );
        WriteFile( disp->pipe, &result, sizeof(result), &count, NULL );
        heap_free( data );
    }