Fix VT_DISALLOCATE freeing an in-use virtual console, and fix a
use-after-free in vt_in_use().
Changed since v2:
- Implemented tty_port_operations::destruct().
- Added comments regarding vt_in_use() locking.
Changed since v1:
- Made the vc_data be freed via tty_port refcounting.
- Added patch to fix a use-after-free in vt_in_use().
Eric Biggers (2):
vt: vt_ioctl: fix VT_DISALLOCATE freeing in-use virtual console
vt: vt_ioctl: fix use-after-free in vt_in_use()
drivers/tty/vt/vt.c | 23 ++++++++++++++++++++++-
drivers/tty/vt/vt_ioctl.c | 28 ++++++++++++++++------------
2 files changed, 38 insertions(+), 13 deletions(-)
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2.25.2
