hugetlb_shm_group contains group id that is allowed to create SysV shared memory segment using hugetlb page. To meet EPERM error, we also need to make group id be not in this proc file. Signed-off-by: Yang Xu <xuyang2018.jy@xxxxxxxxxxx> --- man2/shmget.2 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/man2/shmget.2 b/man2/shmget.2 index 757b7b7f1..29799b9b8 100644 --- a/man2/shmget.2 +++ b/man2/shmget.2 @@ -273,7 +273,7 @@ The .B SHM_HUGETLB flag was specified, but the caller was not privileged (did not have the .B CAP_IPC_LOCK -capability). +capability and group id doesn't be contained in hugetlb_shm_group proc file). .SH CONFORMING TO POSIX.1-2001, POSIX.1-2008, SVr4. .\" SVr4 documents an additional error condition EEXIST. -- 2.23.0
