This series fixes a call to a NULL function pointer during copy_sectors(), if a concurrent write request triggered the corruption prevention mechanism.
Max Reitz (3): qcow2: Check bs->drv in copy_sectors() block: bs->drv may be NULL in bdrv_debug_resume() iotests: Test corruption during COW request block.c | 2 +- block/qcow2-cluster.c | 4 ++++ tests/qemu-iotests/060 | 26 ++++++++++++++++++++++++++ tests/qemu-iotests/060.out | 15 +++++++++++++++ 4 files changed, 46 insertions(+), 1 deletion(-) -- 1.9.0
