linux/drivers/tee
Rijo Thomas ff1f855804 tee: amdtee: fix memory leak due to reset of global shm list
The driver maintains a list of shared memory buffers along with their
mapped buffer id's in a global linked list. These buffers need to be
unmapped after use by the user-space client.

The global shared memory list is initialized to zero entries in the
function amdtee_open(). This clearing of list entries can be a source
for memory leak on secure side if the global linked list previously
held some mapped buffer entries allocated from another TEE context.

Fix potential memory leak issue by moving global shared memory list
to AMD-TEE driver context data structure.

Fixes: 757cc3e9ff ("tee: add AMD-TEE driver")
Reviewed-by: Devaraj Rangasamy <Devaraj.Rangasamy@amd.com>
Signed-off-by: Rijo Thomas <Rijo-john.Thomas@amd.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
2020-11-09 08:58:54 +01:00
..
amdtee tee: amdtee: fix memory leak due to reset of global shm list 2020-11-09 08:58:54 +01:00
optee Enable multi-stage OP-TEE bus enumeration 2020-07-13 15:11:44 +02:00
Kconfig tee: fix crypto select 2020-05-28 12:38:00 +02:00
Makefile tee: add AMD-TEE driver 2020-01-04 13:49:51 +08:00
tee_core.c Adds utility function in TEE subsystem for client UUID generation. This 2020-05-25 23:15:03 +02:00
tee_private.h tee: don't assign shm id for private shms 2020-02-28 13:37:42 +01:00
tee_shm_pool.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282 2019-06-05 17:36:37 +02:00
tee_shm.c tee: remove unnecessary NULL check in tee_shm_alloc() 2020-05-25 16:56:33 +02:00