git: 5e8b3eeb6096 - main - kern: Allow O_CLOFORK to be passed to shm_open(2)

The branch main has been updated by markj:

URL: https://cgit.FreeBSD.org/src/commit/?id=5e8b3eeb6096f01c12a5b42f0327c2066e91a640

commit 5e8b3eeb6096f01c12a5b42f0327c2066e91a640
Author:     Ricardo Branco <rbranco@suse.de>
AuthorDate: 2025-08-04 14:56:17 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2025-08-12 21:45:24 +0000

    kern: Allow O_CLOFORK to be passed to shm_open(2)
    
    Signed-off-by: Ricardo Branco <rbranco@suse.de>
    
    Reviewed by:    kib
    Pull Request:   https://github.com/freebsd/freebsd-src/pull/1802
---
 lib/libsys/shm_open.2 | 5 +++--
 sys/kern/uipc_shm.c   | 3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/libsys/shm_open.2 b/lib/libsys/shm_open.2
index 8bea939690ba..c3196d966e6b 100644
--- a/lib/libsys/shm_open.2
+++ b/lib/libsys/shm_open.2
@@ -26,7 +26,7 @@
 .\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd January 30, 2023
+.Dd August 4, 2025
 .Dt SHM_OPEN 2
 .Os
 .Sh NAME
@@ -74,8 +74,9 @@ must be included in
 The optional flags
 .Dv O_CREAT ,
 .Dv O_EXCL ,
+.Dv O_TRUNC ,
 and
-.Dv O_TRUNC
+.Dv O_CLOFORK
 may also be specified.
 .Pp
 If
diff --git a/sys/kern/uipc_shm.c b/sys/kern/uipc_shm.c
index 85fe48ddd466..eb1327f7f2de 100644
--- a/sys/kern/uipc_shm.c
+++ b/sys/kern/uipc_shm.c
@@ -1160,7 +1160,8 @@ kern_shm_open2(struct thread *td, const char *userpath, int flags, mode_t mode,
 	if ((flags & O_ACCMODE) != O_RDONLY && (flags & O_ACCMODE) != O_RDWR)
 		return (EINVAL);
 
-	if ((flags & ~(O_ACCMODE | O_CREAT | O_EXCL | O_TRUNC | O_CLOEXEC)) != 0)
+	if ((flags & ~(O_ACCMODE | O_CREAT | O_EXCL | O_TRUNC | O_CLOEXEC |
+	    O_CLOFORK)) != 0)
 		return (EINVAL);
 
 	largepage = (shmflags & SHM_LARGEPAGE) != 0;