[Qemu-stable] [PATCH 0/2] block: Fix unaligned zero write

[Fam Zheng]

This fixes a segfault when doing unaligned zero write to a image that is 4k
aligned.

Reproducer:

    $ (echo "open -o file.align=4k blkdebug::img"; echo "write -z 512 1024") | 
qemu-io



Fam Zheng (2):
  block: Fix unaligned zero write
  qemu-iotests: Test unaligned 4k zero write

 block.c                    | 51 ++++++++++++++++++++++++++++++++++++++--------
 tests/qemu-iotests/033     | 47 ++++++++++++++++++++++++++----------------
 tests/qemu-iotests/033.out | 26 +++++++++++++++++++++++
 3 files changed, 98 insertions(+), 26 deletions(-)

-- 
2.1.0