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ef62adae82
An operation should only be added to the connection active list if the
connection is in the enabled state, or if it is in the enabled_tx state
and the operation is not incoming.
This fixes a race where an early or late incoming request could be added
to the active list while the connection is being enabled or disabled,
something which could lead to use-after-free issues or worse.
Note that the early connection-state checks in the receive path
limited the impact of this bug.
Fixes: e903a2ce7379 ("connection: add unidirectional enabled state")
Reported-by: Alex Elder <elder@linaro.org>
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
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