Vignesh Raman 37fada67e1 Bluetooth: Avoid use of session socket after the session gets freed ... commit 32333edb82 upstream. The commits 08c30aca9e "Bluetooth: Remove RFCOMM session refcnt" and 8ff52f7d04 "Bluetooth: Return RFCOMM session ptrs to avoid freed session" allow rfcomm_recv_ua and rfcomm_session_close to delete the session (and free the corresponding socket) and propagate NULL session pointer to the upper callers. Additional fix is required to terminate the loop in rfcomm_process_rx function to avoid use of freed 'sk' memory. The issue is only reproducible with kernel option CONFIG_PAGE_POISONING enabled making freed memory being changed and filled up with fixed char value used to unmask use-after-free issues. Signed-off-by: Vignesh Raman <Vignesh_Raman@mentor.com> Signed-off-by: Vitaly Kuzmichev <Vitaly_Kuzmichev@mentor.com> Acked-by: Dean Jenkins <Dean_Jenkins@mentor.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2014-09-17 09:19:23 -07:00
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Kconfig	tty: Added a CONFIG_TTY option to allow removal of TTY	2013-01-18 16:15:27 -08:00
Makefile	[Bluetooth] Move CRC table into RFCOMM core	2005-10-28 19:20:36 +02:00
core.c	Bluetooth: Avoid use of session socket after the session gets freed	2014-09-17 09:19:23 -07:00
sock.c	Bluetooth: never linger on process exit	2014-09-17 09:19:22 -07:00
tty.c	Bluetooth: Remove rfcomm_carrier_raised()	2014-01-06 13:51:45 -08:00