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| author |   Kees Cook <keescook@chromium.org> | 2020-09-12 04:08:19 -0700 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2020-10-08 13:17:25 -0700 |
| commit | e953aeaa913bedcdabc168276ef41c83ae75f161 (patch) | |
| tree | 5177b5a6f2a37e031f2170bbc5f3a3904ae5b09c /tools/testing/selftests/clone3/clone3_selftests.h | |
| parent | selftests/seccomp: powerpc: Set syscall return during ptrace syscall exit (diff) | |
| download | wireguard-linux-e953aeaa913bedcdabc168276ef41c83ae75f161.tar.xz wireguard-linux-e953aeaa913bedcdabc168276ef41c83ae75f161.zip | |
selftests/clone3: Avoid OS-defined clone_args
As the UAPI headers start to appear in distros, we need to avoid
outdated versions of struct clone_args to be able to test modern
features, named "struct __clone_args". Additionally update the struct
size macro names to match UAPI names.
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/lkml/20200921075432.u4gis3s2o5qrsb5g@wittgenstein/
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to '')
| -rw-r--r-- | tools/testing/selftests/clone3/clone3_selftests.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/tools/testing/selftests/clone3/clone3_selftests.h b/tools/testing/selftests/clone3/clone3_selftests.h index 91c1a78ddb39..e81ffaaee02b 100644 --- a/tools/testing/selftests/clone3/clone3_selftests.h +++ b/tools/testing/selftests/clone3/clone3_selftests.h @@ -19,13 +19,11 @@ #define CLONE_INTO_CGROUP 0x200000000ULL /* Clone into a specific cgroup given the right permissions. */ #endif -#ifndef CLONE_ARGS_SIZE_VER0 -#define CLONE_ARGS_SIZE_VER0 64 -#endif - #ifndef __NR_clone3 #define __NR_clone3 -1 -struct clone_args { +#endif + +struct __clone_args { __aligned_u64 flags; __aligned_u64 pidfd; __aligned_u64 child_tid; @@ -34,15 +32,21 @@ struct clone_args { __aligned_u64 stack; __aligned_u64 stack_size; __aligned_u64 tls; -#define CLONE_ARGS_SIZE_VER1 80 +#ifndef CLONE_ARGS_SIZE_VER0 +#define CLONE_ARGS_SIZE_VER0 64 /* sizeof first published struct */ +#endif __aligned_u64 set_tid; __aligned_u64 set_tid_size; -#define CLONE_ARGS_SIZE_VER2 88 +#ifndef CLONE_ARGS_SIZE_VER1 +#define CLONE_ARGS_SIZE_VER1 80 /* sizeof second published struct */ +#endif __aligned_u64 cgroup; +#ifndef CLONE_ARGS_SIZE_VER2 +#define CLONE_ARGS_SIZE_VER2 88 /* sizeof third published struct */ +#endif }; -#endif /* __NR_clone3 */ -static pid_t sys_clone3(struct clone_args *args, size_t size) +static pid_t sys_clone3(struct __clone_args *args, size_t size) { fflush(stdout); fflush(stderr); @@ -52,7 +56,7 @@ static pid_t sys_clone3(struct clone_args *args, size_t size) static inline void test_clone3_supported(void) { pid_t pid; - struct clone_args args = {}; + struct __clone_args args = {}; if (__NR_clone3 < 0) ksft_exit_skip("clone3() syscall is not supported\n"); |