mbox series

[0/2] syscalls/kcmp03.c: Fix CLONE_IO failure on s390

Message ID cover.1588942426.git.agordeev@linux.ibm.com
Headers show
Series syscalls/kcmp03.c: Fix CLONE_IO failure on s390 | expand

Message

Alexander Gordeev May 8, 2020, 1:09 p.m. UTC 
Hi all,

This series fixes the CLONE_IO flag test on s390:

	kcmp03.c:82: FAIL: clone() Failed: EBADF (9)

The reason for the failure is CLONE_IO flag is sign-
extended to unsigned long and CLONE_INTO_CGROUP gets
set unintentionally. The kernel does its job well and
fails the syscall.

The fix is probably wrong, as the right solution needs to
accomodate all archs. I however, post it as a short-term
solution that might work for other archs as well.

Thanks!

Alexander Gordeev (2):
  syscalls/kcmp03.c: Extend clone_type type to unsigned long
  lib/cloner.c: Use __clone instead of clone for s390

 lib/cloner.c                            | 5 +++++
 testcases/kernel/syscalls/kcmp/kcmp03.c | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)