From 51be9a8c41e1d6e6a15bf90c60318611edbaab14 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Tue, 2 Apr 2019 14:54:42 +0200
Subject: [PATCH] kernel-install: add a check that the vmlinuz arg is sane

---
 src/kernel-install/kernel-install | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/kernel-install/kernel-install b/src/kernel-install/kernel-install
index 610959ba9fc..e7f2beb5707 100644
--- a/src/kernel-install/kernel-install
+++ b/src/kernel-install/kernel-install
@@ -125,6 +125,11 @@ case $COMMAND in
             exit 1
         fi
 
+        if [[ ! -f "$KERNEL_IMAGE" ]]; then
+            echo "Kernel image argument ${KERNEL_IMAGE} not a file" >&2
+            exit 1
+        fi
+
         for f in "${PLUGINS[@]}"; do
             if [[ -x $f ]]; then
                 [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \