[LTP] [PATCH v5] clone302: Fix short size test
Richard Palethorpe
rpalethorpe@suse.de
Thu Sep 7 13:11:14 CEST 2023
Hello,
Pushed!
Wei Gao via ltp <ltp@lists.linux.it> writes:
> Signed-off-by: Wei Gao <wegao@suse.com>
> ---
> include/lapi/sched.h | 11 +++++++++++
> testcases/kernel/syscalls/clone3/clone302.c | 5 ++++-
> 2 files changed, 15 insertions(+), 1 deletion(-)
>
> diff --git a/include/lapi/sched.h b/include/lapi/sched.h
> index ac766efc5..26fdb628d 100644
> --- a/include/lapi/sched.h
> +++ b/include/lapi/sched.h
> @@ -60,6 +60,17 @@ struct clone_args {
> uint64_t __attribute__((aligned(8))) cgroup;
> };
>
> +struct clone_args_minimal {
> + uint64_t __attribute__((aligned(8))) flags;
> + uint64_t __attribute__((aligned(8))) pidfd;
> + uint64_t __attribute__((aligned(8))) child_tid;
> + uint64_t __attribute__((aligned(8))) parent_tid;
> + uint64_t __attribute__((aligned(8))) exit_signal;
> + uint64_t __attribute__((aligned(8))) stack;
> + uint64_t __attribute__((aligned(8))) stack_size;
> + uint64_t __attribute__((aligned(8))) tls;
> +};
> +
> static inline int clone3(struct clone_args *args, size_t size)
> {
> return tst_syscall(__NR_clone3, args, size);
> diff --git a/testcases/kernel/syscalls/clone3/clone302.c b/testcases/kernel/syscalls/clone3/clone302.c
> index b1b4ccebb..48b831554 100644
> --- a/testcases/kernel/syscalls/clone3/clone302.c
> +++ b/testcases/kernel/syscalls/clone3/clone302.c
> @@ -12,6 +12,7 @@
> #define _GNU_SOURCE
>
> #include <stdlib.h>
> +#include <assert.h>
>
> #include "tst_test.h"
> #include "lapi/sched.h"
> @@ -34,7 +35,7 @@ static struct tcase {
> } tcases[] = {
> {"invalid args", &invalid_args, sizeof(*valid_args), 0, NULL, SIGCHLD, 0, 0, 0, EFAULT},
> {"zero size", &valid_args, 0, 0, NULL, SIGCHLD, 0, 0, 0, EINVAL},
> - {"short size", &valid_args, sizeof(*valid_args) - 1, 0, NULL, SIGCHLD, 0, 0, 0, EINVAL},
> + {"short size", &valid_args, sizeof(struct clone_args_minimal) - 1, 0, NULL, SIGCHLD, 0, 0, 0, EINVAL},
> {"extra size", &valid_args, sizeof(*valid_args) + 1, 0, NULL, SIGCHLD, 0, 0, 0, EFAULT},
> {"sighand-no-VM", &valid_args, sizeof(*valid_args), CLONE_SIGHAND, NULL, SIGCHLD, 0, 0, 0, EINVAL},
> {"thread-no-sighand", &valid_args, sizeof(*valid_args), CLONE_THREAD, NULL, SIGCHLD, 0, 0, 0, EINVAL},
> @@ -59,6 +60,8 @@ static void setup(void)
> {
> clone3_supported_by_kernel();
>
> + TST_EXP_EQ_SZ(sizeof(struct clone_args_minimal), 64);
> +
> void *p = tst_get_bad_addr(NULL);
>
> invalid_args = p;
> --
> 2.35.3
--
Thank you,
Richard.
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