Am 09.02.2020 um 18:51 hat Hikaru Nishida geschrieben:
> Before this commit, BDRVVVFATState.qcow is unrefed in write_target_close
> on closing backing bdrv of vvfat. However, qcow bdrv is opend as a child
> of vvfat in enable_write_target() so it will be also unrefed on closing
> vvfat itself.
Before this commit, BDRVVVFATState.qcow is unrefed in write_target_close
on closing backing bdrv of vvfat. However, qcow bdrv is opend as a child
of vvfat in enable_write_target() so it will be also unrefed on closing
vvfat itself. This causes use-after-free of qcow on freeing vvfat which
has
