From cc39ccce7d5bc623100f07dcda070cef1bf690f6 Mon Sep 17 00:00:00 2001 From: Josh Poimboeuf Date: Thu, 2 Apr 2026 19:47:10 -0700 Subject: klp-build: Fix hang on out-of-date .config If .config is out of date with the kernel source, 'make syncconfig' hangs while waiting for user input on new config options. Detect the mismatch and return an error. Fixes: 6f93f7b06810 ("livepatch/klp-build: Fix inconsistent kernel version") Acked-by: Song Liu Signed-off-by: Josh Poimboeuf --- scripts/livepatch/klp-build | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/scripts/livepatch/klp-build b/scripts/livepatch/klp-build index 0ad7e6631314..e19d93b78fcb 100755 --- a/scripts/livepatch/klp-build +++ b/scripts/livepatch/klp-build @@ -306,7 +306,12 @@ set_kernelversion() { stash_file "$file" - kernelrelease="$(cd "$SRC" && make syncconfig &>/dev/null && make -s kernelrelease)" + if [[ -n "$(make -s listnewconfig 2>/dev/null)" ]]; then + die ".config mismatch, check your .config or run 'make olddefconfig'" + fi + make syncconfig &>/dev/null || die "make syncconfig failed" + + kernelrelease="$(make -s kernelrelease)" [[ -z "$kernelrelease" ]] && die "failed to get kernel version" sed -i "2i echo $kernelrelease; exit 0" scripts/setlocalversion -- cgit v1.2.3