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/optee_os/core/kernel/
H A Dscall.cc5a0db9903f1889a430a5d7143e2fa8b3cff6729 Wed Jun 14 09:38:19 UTC 2023 Jens Wiklander <jens.wiklander@linaro.org> core: add bounce buffer to user mode context

Adds a bounce buffer for user space buffer to be used during syscall
processing to avoid unchecked privileged access into user space memory.

bb_alloc(), bb_free(), and bb_reset() are added to manage memory
allocation from the bounce buffer.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
H A Dldelf_loader.cc5a0db9903f1889a430a5d7143e2fa8b3cff6729 Wed Jun 14 09:38:19 UTC 2023 Jens Wiklander <jens.wiklander@linaro.org> core: add bounce buffer to user mode context

Adds a bounce buffer for user space buffer to be used during syscall
processing to avoid unchecked privileged access into user space memory.

bb_alloc(), bb_free(), and bb_reset() are added to manage memory
allocation from the bounce buffer.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
H A Duser_access.cc5a0db9903f1889a430a5d7143e2fa8b3cff6729 Wed Jun 14 09:38:19 UTC 2023 Jens Wiklander <jens.wiklander@linaro.org> core: add bounce buffer to user mode context

Adds a bounce buffer for user space buffer to be used during syscall
processing to avoid unchecked privileged access into user space memory.

bb_alloc(), bb_free(), and bb_reset() are added to manage memory
allocation from the bounce buffer.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
/optee_os/core/include/kernel/
H A Duser_mode_ctx_struct.hc5a0db9903f1889a430a5d7143e2fa8b3cff6729 Wed Jun 14 09:38:19 UTC 2023 Jens Wiklander <jens.wiklander@linaro.org> core: add bounce buffer to user mode context

Adds a bounce buffer for user space buffer to be used during syscall
processing to avoid unchecked privileged access into user space memory.

bb_alloc(), bb_free(), and bb_reset() are added to manage memory
allocation from the bounce buffer.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>
H A Duser_access.hc5a0db9903f1889a430a5d7143e2fa8b3cff6729 Wed Jun 14 09:38:19 UTC 2023 Jens Wiklander <jens.wiklander@linaro.org> core: add bounce buffer to user mode context

Adds a bounce buffer for user space buffer to be used during syscall
processing to avoid unchecked privileged access into user space memory.

bb_alloc(), bb_free(), and bb_reset() are added to manage memory
allocation from the bounce buffer.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@foss.st.com>