Unverified Commit 8b936998 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13306 btrfs: fix use-after-free of block device file in __btrfs_free_extra_devids() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Long Li <leo.lilong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/OQAVIBKRFIMAC2OTSGHEJGADTONLSOEL/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB37A4 
 
Link:https://gitee.com/openeuler/kernel/pulls/13306
parents dccd6d84 f9c365eb

fs/btrfs/volumes.c

+1 −0
Original line number Diff line number Diff line
@@ -1143,6 +1143,7 @@ static void btrfs_close_one_device(struct btrfs_device *device) 
	if (device->bdev) {

		fs_devices->open_devices--;

		device->bdev = NULL;

		device->bdev_handle = NULL;

	}

	clear_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state);

	btrfs_destroy_dev_zone_info(device);