======================================================================
BUILD LOG: fail/quick/unsupported-lib
======================================================================
Verdict:    xfail
Exit code:  1

Kernel:     6.19.0-1-default+
Toolchain:
  Compiler:   gcc (GCC) 14.3.1 20251022 (Red Hat 14.3.1-4)
  Linker:     GNU ld version 2.41-63.el10
  Assembler:  GNU assembler version 2.41-63.el10

======================================================================
FULL BUILD OUTPUT
======================================================================

--- klp-build stdout ---
Validating patch(es)

--- klp-build stderr ---
error: klp-build: /root/linux/tools/testing/selftests/klp-build/tests/current-tree/fail/quick/unsupported-lib/unsupported-lib-generated.patch unsupported patch to lib/ashldi3.c

--- diff.log ---
(file not found: diff/diff.log)


======================================================================
BUILD VERIFICATION
======================================================================

exit code non-zero (expected failure): OK
stderr matched pattern 'unsupported patch to lib/': OK

======================================================================
TEST PATCH(ES)
======================================================================

--- Patch: unsupported-lib-generated.patch ---
From: Test Author <test@example.com>
Subject: [PATCH] lib: add test comment

Unsupported lib/ file patch test case.

diff --git a/lib/ashldi3.c b/lib/ashldi3.c
--- a/lib/ashldi3.c
+++ b/lib/ashldi3.c
@@ -9,4 +9,5 @@
 long long notrace __ashldi3(long long u, word_type b)
+	/* klp-build-test: should fail */
 {
 	DWunion uu, w;
 	word_type bm;