crypto: qat - add limit to linked list parsing
adf_copy_key_value_data() copies data from userland to kernel, based on
a linked link provided by userland. If userland provides a circular
list (or just a very long one) then it would drive a long loop where
allocation occurs in every loop. This could lead to low memory conditions.
Adding a limit to stop endless loop.
Signed-off-by: Adam Guerin <firstname.lastname@example.org>
Co-developed-by: Ciunas Bennett <email@example.com>
Signed-off-by: Ciunas Bennett <firstname.lastname@example.org>
Reviewed-by: Giovanni Cabiddu <email@example.com>
Signed-off-by: Herbert Xu <firstname.lastname@example.org>
1 file changed