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-rw-r--r--lib/libsys/jail.25
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libsys/jail.2 b/lib/libsys/jail.2
index d3f871608c1d..ee4e5b03d38e 100644
--- a/lib/libsys/jail.2
+++ b/lib/libsys/jail.2
@@ -23,7 +23,7 @@
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
-.Dd September 9, 2025
+.Dd September 15, 2025
.Dt JAIL 2
.Os
.Sh NAME
@@ -555,6 +555,9 @@ and
call
.Xr chroot 2
internally, so they can fail for all the same reasons.
+In particular, they return the
+.Bq Er EPERM
+error when the process to join a jail has open directories.
Please consult the
.Xr chroot 2
manual page for details.