1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/seccomp.c b/kernel/seccomp.c
index 4ef9687ac115..4f44028943e6 100644
--- a/kernel/seccomp.c
+++ b/kernel/seccomp.c
@@ -629,7 +629,9 @@ static u32 __seccomp_phase1_filter(int this_syscall, struct seccomp_data *sd)
 
         switch (action) {
         case SECCOMP_RET_ERRNO:
-                /* Set the low-order 16-bits as a errno. */
+                /* Set low-order bits as an errno, capped at MAX_ERRNO. */
+                if (data > MAX_ERRNO)
+                        data = MAX_ERRNO;
                 syscall_set_return_value(current, task_pt_regs(current),
                                          -data, 0);
                 goto skip;