4dafc08d0b
Add a testcase to check that user address with valid/invalid mte tag works in kernel mode. This test verifies that the kernel API's __arch_copy_from_user/__arch_copy_to_user works by considering if the user pointer has valid/invalid allocation tags. In MTE sync mode, file memory read/write and other similar interfaces fails if a user memory with invalid tag is accessed in kernel. In async mode no such failure occurs. Signed-off-by: Amit Daniel Kachhap <amit.kachhap@arm.com> Tested-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Shuah Khan <shuah@kernel.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Link: https://lore.kernel.org/r/20201002115630.24683-7-amit.kachhap@arm.com Signed-off-by: Will Deacon <will@kernel.org> |
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| .. | ||
| fault-injection | ||
| ktest | ||
| kunit | ||
| nvdimm | ||
| radix-tree | ||
| scatterlist | ||
| selftests | ||
| vsock | ||