[PATCH 2/3] ntoskrnl: Forbid unloading a driver with running root PnP devices.
Zebediah Figura
z.figura12 at gmail.com
Tue Apr 13 23:10:37 CDT 2021
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
---
dlls/ntoskrnl.exe/ntoskrnl.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.c b/dlls/ntoskrnl.exe/ntoskrnl.c
index bb9f4bf5259..0580231d8e3 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.c
+++ b/dlls/ntoskrnl.exe/ntoskrnl.c
@@ -3842,6 +3842,7 @@ error:
NTSTATUS WINAPI ZwUnloadDriver( const UNICODE_STRING *service_name )
{
struct wine_rb_entry *entry;
+ struct wine_driver *driver;
UNICODE_STRING drv_name;
TRACE( "(%s)\n", debugstr_us(service_name) );
@@ -3856,6 +3857,13 @@ NTSTATUS WINAPI ZwUnloadDriver( const UNICODE_STRING *service_name )
ERR( "failed to locate driver %s\n", debugstr_us(service_name) );
return STATUS_OBJECT_NAME_NOT_FOUND;
}
+ driver = WINE_RB_ENTRY_VALUE( entry, struct wine_driver, entry );
+
+ if (!list_empty( &driver->root_pnp_devices ))
+ {
+ ERR( "cannot unload driver %s which still has running PnP devices\n", debugstr_us(service_name) );
+ return STATUS_UNSUCCESSFUL;
+ }
unload_driver( entry, NULL );
--
2.30.2
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