tee: fix memory leak in tee_shm_register()

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Moves the access_ok() check for valid memory range from user space from
the function tee_shm_register() to tee_ioctl_shm_register(). With this
we error out early before anything is done that must be undone on error.

Fixes: 578c349570 ("tee: add overflow check in register_shm_helper()")
Cc: stable@vger.kernel.org # 5.10
Reported-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jens Wiklander 2022-08-23 10:23:26 +02:00 • committed by Greg Kroah-Hartman

parent 3527e3cbb8

commit 606fe84a41

2 changed files with 3 additions and 3 deletions

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3

drivers/tee/tee_core.c

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3

drivers/tee/tee_shm.c

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