git: d7e1e138ec66 - main - linux(4): Fixup options value validation in linux_waitid().

The branch main has been updated by dchagin:

URL: https://cgit.FreeBSD.org/src/commit/?id=d7e1e138ec66e410f525413b0caed089139f3cc0

commit d7e1e138ec66e410f525413b0caed089139f3cc0
Author:     Dmitry Chagin <dchagin@FreeBSD.org>
AuthorDate: 2022-03-31 17:41:19 +0000
Commit:     Dmitry Chagin <dchagin@FreeBSD.org>
CommitDate: 2022-03-31 17:41:19 +0000

    linux(4): Fixup options value validation in linux_waitid().
    
    Reviewed by:            emaste
    Differential revision:  https://reviews.freebsd.org/D31554
    MFC after:              2 weeks
---
 sys/compat/linux/linux_misc.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c
index 0d7f9b156f9b..e2c231ed3460 100644
--- a/sys/compat/linux/linux_misc.c
+++ b/sys/compat/linux/linux_misc.c
@@ -1090,12 +1090,13 @@ linux_waitid(struct thread *td, struct linux_waitid_args *args)
 	idtype_t idtype;
 	int error, options;
 
+	if (args->options & ~(LINUX_WNOHANG | LINUX_WNOWAIT | LINUX_WEXITED |
+	    LINUX_WSTOPPED | LINUX_WCONTINUED | __WCLONE | __WNOTHREAD | __WALL))
+		return (EINVAL);
+
 	options = 0;
 	linux_to_bsd_waitopts(args->options, &options);
 
-	if (options & ~(WNOHANG | WNOWAIT | WEXITED | WUNTRACED | WCONTINUED))
-		return (EINVAL);
-
 	switch (args->idtype) {
 	case LINUX_P_ALL:
 		idtype = P_ALL;