From 3135a2502bd03f1838ad42ed7b9828a68ab6a28b Mon Sep 17 00:00:00 2001
From: Christian Werner <cwer542@gmail.com>
Date: Sat, 20 Jun 2026 05:13:48 +0200
Subject: [PATCH] fix(kernel): Handle unreadable module files in selftest.sh

Improve error handling in module discovery by identifying unreadable
`.ko` files and providing detailed error messages. Suggest actions like
unzip or rebuild to resolve issues.
---
 kernel/selftest.sh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/kernel/selftest.sh b/kernel/selftest.sh
index 9327686..1b39b7a 100755
--- a/kernel/selftest.sh
+++ b/kernel/selftest.sh
@@ -107,8 +107,14 @@ if [ -z "$KO" ]; then
 		[ -d "$dir" ] || continue
 		for cand in "$dir"/${MODULE}*.ko; do
 			[ -f "$cand" ] || continue
-			vm="$(modinfo -F vermagic "$cand" 2>/dev/null)"
-			msg="$msg"$'\n'"       $cand (built for ${vm%% *})"
+			if vm="$(modinfo -F vermagic "$cand" 2>/dev/null)" && [ -n "$vm" ]; then
+				note="built for ${vm%% *}"
+			else
+				# modinfo couldn't read it - usually not an ELF .ko at all
+				# (e.g. a still-zipped release file). Show what it really is.
+				note="UNREADABLE: $(file -b "$cand" 2>/dev/null || echo 'not a kernel module') - unzip/rebuild?"
+			fi
+			msg="$msg"$'\n'"       $cand ($note)"
 			any=1
 		done
 	done