diff options
| author | Sean Christopherson <[email protected]> | 2021-04-12 15:20:48 -0700 |
|---|---|---|
| committer | Paolo Bonzini <[email protected]> | 2021-04-20 04:18:50 -0400 |
| commit | 2ee3757424be7c1cd1d0bbfa6db29a7edd82a250 (patch) | |
| tree | 3eabada22014fdb94656ec8e897a922a7a05e1ad /tools/perf/scripts/python/stackcollapse.py | |
| parent | 24e7475f931ad7090c1e63dbaf12f338aeb81eac (diff) | |
KVM: Destroy I/O bus devices on unregister failure _after_ sync'ing SRCU
If allocating a new instance of an I/O bus fails when unregistering a
device, wait to destroy the device until after all readers are guaranteed
to see the new null bus. Destroying devices before the bus is nullified
could lead to use-after-free since readers expect the devices on their
reference of the bus to remain valid.
Fixes: f65886606c2d ("KVM: fix memory leak in kvm_io_bus_unregister_dev()")
Cc: [email protected]
Signed-off-by: Sean Christopherson <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions