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| author |   Andrey Konovalov <andreyknvl@google.com> | 2019-07-23 19:58:52 +0200 |
|---|---|---|
| committer |   Will Deacon <will@kernel.org> | 2019-08-06 18:08:45 +0100 |
| commit | 9ce1263033cd2ad393e2ff0df4a1c4ab4992c9df (patch) | |
| tree | 3493eed1ee8d30f3fa859e2a48b72614058ca06a /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | arm64: Introduce prctl() options to control the tagged user addresses ABI (diff) | |
| download | wireguard-linux-9ce1263033cd2ad393e2ff0df4a1c4ab4992c9df.tar.xz wireguard-linux-9ce1263033cd2ad393e2ff0df4a1c4ab4992c9df.zip | |
selftests, arm64: add a selftest for passing tagged pointers to kernel
This patch is a part of a series that extends kernel ABI to allow to pass
tagged user pointers (with the top byte set to something else other than
0x00) as syscall arguments.
This patch adds a simple test, that calls the uname syscall with a
tagged user pointer as an argument. Without the kernel accepting tagged
user pointers the test fails with EFAULT.
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions