From e08dc305696616b7d52e7e7591c1810e2e8f2ff6 Mon Sep 17 00:00:00 2001 From: Serge Gautherie Date: Sat, 7 Sep 2019 02:38:46 +0200 Subject: [PATCH] [BTRFS] Revert "Leak the root stream file object on mount." Not needed anymore. This reverts commit c13ccc92f66d9fd537ffdd4c0324af5b9c2723e1. --- drivers/filesystems/btrfs/btrfs.c | 14 -------------- 1 file changed, 14 deletions(-) diff --git a/drivers/filesystems/btrfs/btrfs.c b/drivers/filesystems/btrfs/btrfs.c index 61f3dc666db..ada1cc18f45 100644 --- a/drivers/filesystems/btrfs/btrfs.c +++ b/drivers/filesystems/btrfs/btrfs.c @@ -4785,21 +4785,7 @@ static NTSTATUS mount_vol(_In_ PDEVICE_OBJECT DeviceObject, _In_ PIRP Irp) { goto exit; } - /* HACK: stream file object seems to get deleted at some point - * leading to use after free when installing ReactOS on - * BtrFS. - * Workaround: leak a handle to the fileobject - * XXX: Could be improved by storing it somewhere and releasing it - * on dismount. Or even by referencing again the file object. - */ -#ifndef __REACTOS__ Vcb->root_file = IoCreateStreamFileObject(NULL, DeviceToMount); -#else - { - HANDLE Dummy; - Vcb->root_file = IoCreateStreamFileObjectEx(NULL, DeviceToMount, &Dummy); - } -#endif Vcb->root_file->FsContext = root_fcb; Vcb->root_file->SectionObjectPointer = &root_fcb->nonpaged->segment_object; Vcb->root_file->Vpb = DeviceObject->Vpb;