On Mon, Jan 12, 2015 at 12:31:31PM +0000, Stefan Hajnoczi wrote:
> These patches add an overflow check and a test case for invalid QED headers.
> Note that this has no security impact because reading the backing filename is
> limited to sizeof(bs->backing_file).
> 
> Stefan Hajnoczi (2):
>   qed: check for header size overflow
>   qemu-iotests: add 116 invalid QED input file tests
> 
>  block/qed.c                |  6 +++
>  tests/qemu-iotests/116     | 96 
> ++++++++++++++++++++++++++++++++++++++++++++++
>  tests/qemu-iotests/116.out | 37 ++++++++++++++++++
>  tests/qemu-iotests/group   |  1 +
>  4 files changed, 140 insertions(+)
>  create mode 100755 tests/qemu-iotests/116
>  create mode 100644 tests/qemu-iotests/116.out

Kevin: Thanks for the style suggestion, I have applied your tweak.  It
does read clearer when the expression checks UINT32_MAX.

Thanks, applied to my block tree:
https://github.com/stefanha/qemu/commits/block

Stefan

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