1 files changed, 8 insertions, 0 deletions

diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 6e6d4568d548..a4d933a51208 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -234,6 +234,14 @@ static int load_elf_fdpic_binary(struct linux_binprm *bprm,
                                 goto error;
                         }
 
+                        /*
+                         * If the binary is not readable then enforce
+                         * mm->dumpable = 0 regardless of the interpreter's
+                         * permissions.
+                         */
+                        if (file_permission(interpreter, MAY_READ) < 0)
+                                bprm->interp_flags |= BINPRM_FLAGS_ENFORCE_NONDUMP;
+
                         retval = kernel_read(interpreter, 0, bprm->buf,
                                              BINPRM_BUF_SIZE);
                         if (retval < 0)