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77a06908a3
[ Upstream commit 39bb67edcc582b3b386a9ec983da67fa8a10ec03 ] The current code around TEE_IOCTL_PARAM_SIZE() is a bit wrong on 32-bit kernels: Multiplying a user-provided 32-bit value with the size of a structure can wrap around on such platforms. Fix it by using saturating arithmetic for the size calculation. This has no security consequences because, in all users of TEE_IOCTL_PARAM_SIZE(), the subsequent kcalloc() implicitly checks for wrapping. Signed-off-by: Jann Horn <jannh@google.com> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org> Tested-by: Rouven Czerwinski <rouven.czerwinski@linaro.org> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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| .. | ||
| optee | ||
| Kconfig | ||
| Makefile | ||
| tee_core.c | ||
| tee_private.h | ||
| tee_shm.c | ||
| tee_shm_pool.c | ||