> -Original Message-
> From: linux-btrfs-ow...@vger.kernel.org
> [mailto:linux-btrfs-ow...@vger.kernel.org] On Behalf Of Qu Wenruo
> Sent: Tuesday, July 03, 2018 5:10 PM
> To: linux-btrfs@vger.kernel.org
> Subject: [PATCH 2/5] btrfs: tree-checker: Detect invalid em
On 3.07.2018 12:10, Qu Wenruo wrote:
> A crafted image has empty root tree block, which will cause later NULL
> pointer dereference.
>
> The following trees should never be empty:
> 1) Tree root
>Must contain at least root items for extent tree, device tree and fs
>tree
>
> 2) Chunk t
> -Original Message-
> From: linux-btrfs-ow...@vger.kernel.org
> [mailto:linux-btrfs-ow...@vger.kernel.org] On Behalf Of Qu Wenruo
> Sent: Tuesday, July 03, 2018 5:10 PM
> To: linux-btrfs@vger.kernel.org
> Subject: [PATCH 2/5] btrfs: tree-checker: Detect invalid em
A crafted image has empty root tree block, which will cause later NULL
pointer dereference.
The following trees should never be empty:
1) Tree root
Must contain at least root items for extent tree, device tree and fs
tree
2) Chunk tree
Or we can't even bootstrap.
3) Fs tree
At least
