new file mode 100644
@@ -0,0 +1,3 @@
+/* SPDX-License-Identifier: MIT */
+/* Minimal relocatable object used as a .ko stand-in for pre-filter testing. */
+int selftest_ko_filter_marker = 42;
new file mode 100644
@@ -0,0 +1,29 @@
+#
+# Copyright OpenEmbedded Contributors
+#
+# SPDX-License-Identifier: MIT
+#
+SUMMARY = "Test fixture for the kernel-module file pre-filter in package.py"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
+
+SRC_URI = "file://module.c"
+S = "${UNPACKDIR}"
+
+MODDIR = "${libdir}/selftest-ko-filter"
+
+do_compile () {
+ ${CC} ${CFLAGS} -c module.c -o module.ko
+}
+
+do_install () {
+ install -d ${D}${MODDIR}
+ install -m 0644 module.ko ${D}${MODDIR}/
+
+ # Fake compressed modules — the pre-filter must not pass these to strip.
+ # Use octal escapes: dash (the OE recipe shell) does not support \xHH in printf.
+ printf '\375\067\172\130\132\000' > ${D}${MODDIR}/module.ko.xz
+ printf '\037\213' > ${D}${MODDIR}/module.ko.gz
+}
+
+FILES:${PN} = "${MODDIR}/*"
@@ -185,6 +185,28 @@ class PackageTests(OESelftestTestCase):
if not gdbtest(qemu, binary):
self.fail('GDB %s failed' % binary)
+ def test_kmodule_prefilter(self):
+ # Regression test for YOCTO #2348: process_split_and_strip_files() must
+ # use f.endswith(".ko") so that compressed modules (.ko.xz, .ko.gz) are
+ # not fed to is_elf() / strip.
+ bitbake("selftest-ko-filter -c package")
+
+ pkgdest = get_bb_var('PKGDEST', 'selftest-ko-filter')
+ libdir = get_bb_var('libdir', 'selftest-ko-filter')
+ moddir = pkgdest + "/selftest-ko-filter" + libdir + "/selftest-ko-filter"
+
+ self.assertTrue(os.path.exists(moddir + "/module.ko"),
+ "module.ko missing from PKGDEST")
+
+ for fname, magic in [("module.ko.xz", b"\xfd\x37\x7a\x58\x5a\x00"),
+ ("module.ko.gz", b"\x1f\x8b")]:
+ path = moddir + "/" + fname
+ self.assertTrue(os.path.exists(path),
+ "%s missing from PKGDEST" % fname)
+ with open(path, "rb") as f:
+ self.assertEqual(f.read(len(magic)), magic,
+ "%s header corrupted in PKGDEST" % fname)
+
def test_preserve_ownership(self):
features = 'IMAGE_INSTALL:append = " selftest-chown"\n'
self.write_config(features)
Add selftest-ko-filter recipe and a PackageTests.test_kmodule_prefilter oe-selftest that builds it to verify process_split_and_strip_files() handles .ko.xz/.ko.gz alongside a real .ko without corrupting them. Regression test for YOCTO #2348. AI-Generated: Uses Claude Sonnet 4.6 Signed-off-by: Sam Kent <sam.john.kent@gmail.com> --- .../selftest-ko-filter/files/module.c | 3 ++ .../selftest-ko-filter/selftest-ko-filter.bb | 29 +++++++++++++++++++ meta/lib/oeqa/selftest/cases/package.py | 22 ++++++++++++++ 3 files changed, 54 insertions(+) create mode 100644 meta-selftest/recipes-test/selftest-ko-filter/files/module.c create mode 100644 meta-selftest/recipes-test/selftest-ko-filter/selftest-ko-filter.bb