Add a non-root user user0 password "a"

buildroot_config_fragment

@@ -2,9 +2,10 @@ BR2_GLOBAL_PATCH_DIR="../global_patch_dir"
 BR2_LINUX_KERNEL_CONFIG_FRAGMENT_FILES="../kernel_config_fragment"
 BR2_PACKAGE_BUSYBOX_CONFIG_FRAGMENT_FILES="../busybox_config_fragment"
 BR2_PACKAGE_KERNEL_MODULE=y
-BR2_PACKAGE_OVERRIDE_FILE=../buildroot_override
+BR2_PACKAGE_OVERRIDE_FILE="../buildroot_override"
 BR2_PACKAGE_STRACE=y
 BR2_ROOTFS_OVERLAY="../rootfs_overlay"
+BR2_ROOTFS_USERS_TABLES="../user_table"
 
 ## Host GDB
 BR2_GDB_VERSION="7.11.1"

kernel_module/user/README.md

@@ -14,6 +14,7 @@ These programs can also be compiled and used on host.
     1.  [init_hello](init_hello.c)
     1.  [usermem](usermem.c)
         1.  [pagemap_dump](pagemap_dump.c)
+    1.  [uio_read](uio_read.c)
 1.  Module tests
     1.  [anonymous_inode](anonymous_inode.c)
     1.  [poll](poll.c)

run

@@ -29,10 +29,8 @@ case "$arch" in
   ;;
 esac
 
-# Otherwise compiled 
 cd kernel_module
 ./make-host.sh clean
-
 cd ../buildroot
 for p in $(find '../buildroot_patches/' -maxdepth 1 -name '*.patch' -print); do
     patch -N -r - -p 1 <"$p" || :

user_table

@@ -0,0 +1 @@
+user0 -1 user0 -1 =a /home/user0 /bin/sh - user0