* [GIT PULL] objtool updates for v7.4
@ 2026-10-18 9:54 Ingo Molnar
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From: Ingo Molnar @ 2026-10-18 9:54 UTC (permalink / raw)
To: Linus Torvalds
Cc: linux-kernel, Peter Zijlstra, Josh Poimboeuf, Thomas Gleixner,
Andrew Morton, Joe Lawrence
Linus,
Please pull the latest objtool/core Git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git objtool-core-2026-10-18
for you to fetch changes up to 945537271df1e3680be9b32af7041ac20f1184fb:
Objtool updates:
- Add unit test suite for objtool klp functionality and
known failure modes (by Song Liu and Puranjay Mohan,
with fixes by Joe Lawrence)
Thanks,
Ingo
------------------>
Joe Lawrence (2):
objtool: Keep failing test workdirs by default
objtool: Forward toolchain variables to the klp test runner
Puranjay Mohan (16):
objtool: Add test harness for the klp subcommands
objtool/klp: Add test for rejecting changed data
objtool/klp: Add test for newly introduced data
objtool/klp: Add test for newly introduced functions
objtool/klp: Add test for static local correlation
objtool/klp: Add test for cold function halves
objtool/klp: Add test for special section extraction
objtool/klp: Add test for selective special section extraction
objtool/klp: Add test for jump table key relocations
objtool/klp: Add test for rejecting module-owned static branch keys
objtool/klp: Add test for rejecting module-owned static call keys
objtool/klp: Add test for symids in discarded sections
objtool/klp: Add test for rejecting references to init code/data
objtool/klp: Add test for correlation across ThinLTO name mangling
objtool/klp: Add test for objects without .modinfo
objtool/klp: Add test for unchecksummed input
Song Liu (40):
objtool/klp: Check the klp test environment once, before any test
objtool/klp: Group the klp tests by architecture
objtool/klp: Classify klp test outcomes
objtool/klp: Build klp test fixtures through the harness
objtool/klp: Grow the klp test harness vocabulary
objtool/klp: Give each run one working directory, one per test inside it
objtool/klp: Run the klp tests under set -u
objtool/klp: Document the klp test harness
objtool/klp: Add klp diff and post-link regression tests
objtool/klp: Add test for klp reloc section naming in module objects
objtool/klp: Add test for vmlinux relocs in a patched module
objtool/klp: Add test for Module.symvers path normalization
objtool/klp: Add test for the contents of the klp_funcs list
objtool/klp: Add test for EXPORT_SYMBOL_FOR_MODULES references
objtool/klp: Add test for new references to exported symbols
objtool/klp: Add test for empty x86 alternative replacements
objtool/klp: Add test for recorded checksum values
objtool/klp: Add test for position-independent checksums
objtool/klp: Add test for sympos in module objects
objtool/klp: Add test for sympos resolved against a linked vmlinux
objtool/klp: Add test for static locals which must not be correlated
objtool/klp: Add test for __bug_table, __ex_table and __mcount_loc extraction
objtool/klp: Add test for kCFI prefix symbols and traps
objtool/klp: Add test for symbols whose linkage the patch changes
objtool/klp: Test rejection of a file-local static branch key
objtool/klp: Test a hand-built livepatch module's static call keys
objtool/klp: Test text annotations on alternative replacements
objtool/klp: Add test for data object checksums
objtool/klp: Add test for symbols with no checksum entry of their own
objtool/klp: Add test for a static branch introduced by the patch
objtool/klp: Add test for tracepoint and pr_debug static branch keys
objtool/klp: Add test for a static call introduced by the patch
objtool/klp: Add test for instruction operand checksums
objtool/klp: Add test for alternative replacement code in checksums
objtool/klp: Add test for the alignment of cloned data sections
objtool/klp: Add test for a patch which strips a data annotation
objtool/klp: Add test for absolute and __ADDRESSABLE symbols
objtool/klp: Add test for UBSAN metadata in an unchanged function
objtool/klp: Add test for Clang switch jump tables
objtool/klp: Add test for ThinLTO symbols sharing a demangled name
tools/objtool/Documentation/klp-test-design.txt | 286 +++++++
tools/objtool/Documentation/klp-write-tests.txt | 266 ++++++
tools/objtool/Makefile | 15 +-
.../tests/generic/fixtures/abs_and_addressable.c | 44 +
tools/objtool/tests/generic/fixtures/basic.c | 20 +
.../objtool/tests/generic/fixtures/changed_data.c | 16 +
.../objtool/tests/generic/fixtures/checksum_data.c | 116 +++
.../objtool/tests/generic/fixtures/checksum_insn.c | 78 ++
.../tests/generic/fixtures/checksum_position.c | 42 +
.../objtool/tests/generic/fixtures/checksum_skip.c | 47 ++
.../objtool/tests/generic/fixtures/cold_function.c | 21 +
.../objtool/tests/generic/fixtures/cross_module.c | 25 +
.../tests/generic/fixtures/data_alignment.c | 29 +
.../tests/generic/fixtures/function_removal.c | 25 +
.../tests/generic/fixtures/init_reference.c | 17 +
tools/objtool/tests/generic/fixtures/jump_label.c | 76 ++
tools/objtool/tests/generic/fixtures/klp_funcs.c | 31 +
.../tests/generic/fixtures/local_to_global.c | 34 +
tools/objtool/tests/generic/fixtures/new_data.c | 23 +
.../tests/generic/fixtures/new_export_ref.c | 35 +
.../objtool/tests/generic/fixtures/new_function.c | 21 +
tools/objtool/tests/generic/fixtures/no_modinfo.c | 11 +
.../tests/generic/fixtures/special_section.c | 24 +
.../generic/fixtures/special_section_shared.c | 31 +
tools/objtool/tests/generic/fixtures/static_call.c | 59 ++
.../objtool/tests/generic/fixtures/static_local.c | 17 +
.../generic/fixtures/static_local_uncorrelated.c | 41 +
.../objtool/tests/generic/fixtures/switch_rodata.c | 31 +
.../tests/generic/fixtures/symid_discarded.c | 25 +
tools/objtool/tests/generic/fixtures/sympos_dup.c | 32 +
.../tests/generic/fixtures/sympos_vmlinux.c | 40 +
.../tests/generic/fixtures/thinlto_ambiguity.c | 57 ++
.../objtool/tests/generic/fixtures/thinlto_local.c | 39 +
tools/objtool/tests/generic/fixtures/ubsan_noise.c | 49 ++
.../tests/generic/test-abs-and-addressable.sh | 50 ++
tools/objtool/tests/generic/test-basic.sh | 17 +
tools/objtool/tests/generic/test-changed-data.sh | 18 +
tools/objtool/tests/generic/test-checksum-data.sh | 61 ++
tools/objtool/tests/generic/test-checksum-debug.sh | 49 ++
tools/objtool/tests/generic/test-checksum-insn.sh | 49 ++
.../tests/generic/test-checksum-position.sh | 51 ++
tools/objtool/tests/generic/test-checksum-skip.sh | 81 ++
tools/objtool/tests/generic/test-checksum-value.sh | 37 +
tools/objtool/tests/generic/test-cold-function.sh | 39 +
tools/objtool/tests/generic/test-data-alignment.sh | 40 +
.../generic/test-export-symbol-for-modules.sh | 39 +
.../objtool/tests/generic/test-function-removal.sh | 34 +
tools/objtool/tests/generic/test-init-reference.sh | 29 +
.../tests/generic/test-jump-label-exempt-keys.sh | 51 ++
tools/objtool/tests/generic/test-jump-label-key.sh | 44 +
.../tests/generic/test-jump-label-module-key.sh | 22 +
.../generic/test-jump-label-module-static-key.sh | 45 +
.../tests/generic/test-jump-label-new-key.sh | 51 ++
.../tests/generic/test-klp-funcs-content.sh | 45 +
.../tests/generic/test-local-to-global-flip.sh | 63 ++
.../objtool/tests/generic/test-local-vs-export.sh | 32 +
.../objtool/tests/generic/test-missing-checksum.sh | 18 +
.../objtool/tests/generic/test-missing-modinfo.sh | 16 +
.../tests/generic/test-modname-normalize.sh | 26 +
tools/objtool/tests/generic/test-module-object.sh | 31 +
.../tests/generic/test-module-vmlinux-reloc.sh | 40 +
tools/objtool/tests/generic/test-new-data.sh | 27 +
tools/objtool/tests/generic/test-new-export-ref.sh | 46 ++
tools/objtool/tests/generic/test-new-function.sh | 16 +
tools/objtool/tests/generic/test-post-link.sh | 42 +
.../tests/generic/test-special-section-shared.sh | 26 +
.../objtool/tests/generic/test-special-section.sh | 20 +
.../generic/test-static-call-annotate-stripped.sh | 42 +
.../tests/generic/test-static-call-module-key.sh | 36 +
.../objtool/tests/generic/test-static-call-new.sh | 45 +
.../generic/test-static-local-uncorrelated.sh | 41 +
tools/objtool/tests/generic/test-static-local.sh | 24 +
tools/objtool/tests/generic/test-switch-rodata.sh | 53 ++
.../objtool/tests/generic/test-symid-discarded.sh | 44 +
tools/objtool/tests/generic/test-sympos-vmlinux.sh | 57 ++
tools/objtool/tests/generic/test-sympos.sh | 51 ++
.../tests/generic/test-symvers-parse-error.sh | 23 +
.../tests/generic/test-thinlto-ambiguity.sh | 77 ++
tools/objtool/tests/generic/test-thinlto-local.sh | 48 ++
tools/objtool/tests/generic/test-ubsan-noise.sh | 48 ++
tools/objtool/tests/lib.sh | 911 +++++++++++++++++++++
tools/objtool/tests/run-tests.sh | 239 ++++++
tools/objtool/tests/x86/fixtures/alt_annotate.c | 57 ++
tools/objtool/tests/x86/fixtures/checksum_alt.c | 66 ++
.../objtool/tests/x86/fixtures/empty_alternative.c | 77 ++
tools/objtool/tests/x86/fixtures/kcfi.c | 39 +
.../objtool/tests/x86/fixtures/special_sections.c | 77 ++
.../tests/x86/fixtures/static_call_no_key.c | 32 +
tools/objtool/tests/x86/test-alt-annotation.sh | 38 +
tools/objtool/tests/x86/test-checksum-alt.sh | 45 +
tools/objtool/tests/x86/test-empty-alternative.sh | 31 +
tools/objtool/tests/x86/test-kcfi.sh | 39 +
.../tests/x86/test-manual-klp-static-call.sh | 40 +
tools/objtool/tests/x86/test-special-sections.sh | 42 +
94 files changed, 5299 insertions(+), 1 deletion(-)
create mode 100644 tools/objtool/Documentation/klp-test-design.txt
create mode 100644 tools/objtool/Documentation/klp-write-tests.txt
create mode 100644 tools/objtool/tests/generic/fixtures/abs_and_addressable.c
create mode 100644 tools/objtool/tests/generic/fixtures/basic.c
create mode 100644 tools/objtool/tests/generic/fixtures/changed_data.c
create mode 100644 tools/objtool/tests/generic/fixtures/checksum_data.c
create mode 100644 tools/objtool/tests/generic/fixtures/checksum_insn.c
create mode 100644 tools/objtool/tests/generic/fixtures/checksum_position.c
create mode 100644 tools/objtool/tests/generic/fixtures/checksum_skip.c
create mode 100644 tools/objtool/tests/generic/fixtures/cold_function.c
create mode 100644 tools/objtool/tests/generic/fixtures/cross_module.c
create mode 100644 tools/objtool/tests/generic/fixtures/data_alignment.c
create mode 100644 tools/objtool/tests/generic/fixtures/function_removal.c
create mode 100644 tools/objtool/tests/generic/fixtures/init_reference.c
create mode 100644 tools/objtool/tests/generic/fixtures/jump_label.c
create mode 100644 tools/objtool/tests/generic/fixtures/klp_funcs.c
create mode 100644 tools/objtool/tests/generic/fixtures/local_to_global.c
create mode 100644 tools/objtool/tests/generic/fixtures/new_data.c
create mode 100644 tools/objtool/tests/generic/fixtures/new_export_ref.c
create mode 100644 tools/objtool/tests/generic/fixtures/new_function.c
create mode 100644 tools/objtool/tests/generic/fixtures/no_modinfo.c
create mode 100644 tools/objtool/tests/generic/fixtures/special_section.c
create mode 100644 tools/objtool/tests/generic/fixtures/special_section_shared.c
create mode 100644 tools/objtool/tests/generic/fixtures/static_call.c
create mode 100644 tools/objtool/tests/generic/fixtures/static_local.c
create mode 100644 tools/objtool/tests/generic/fixtures/static_local_uncorrelated.c
create mode 100644 tools/objtool/tests/generic/fixtures/switch_rodata.c
create mode 100644 tools/objtool/tests/generic/fixtures/symid_discarded.c
create mode 100644 tools/objtool/tests/generic/fixtures/sympos_dup.c
create mode 100644 tools/objtool/tests/generic/fixtures/sympos_vmlinux.c
create mode 100644 tools/objtool/tests/generic/fixtures/thinlto_ambiguity.c
create mode 100644 tools/objtool/tests/generic/fixtures/thinlto_local.c
create mode 100644 tools/objtool/tests/generic/fixtures/ubsan_noise.c
create mode 100755 tools/objtool/tests/generic/test-abs-and-addressable.sh
create mode 100755 tools/objtool/tests/generic/test-basic.sh
create mode 100755 tools/objtool/tests/generic/test-changed-data.sh
create mode 100755 tools/objtool/tests/generic/test-checksum-data.sh
create mode 100755 tools/objtool/tests/generic/test-checksum-debug.sh
create mode 100755 tools/objtool/tests/generic/test-checksum-insn.sh
create mode 100755 tools/objtool/tests/generic/test-checksum-position.sh
create mode 100755 tools/objtool/tests/generic/test-checksum-skip.sh
create mode 100755 tools/objtool/tests/generic/test-checksum-value.sh
create mode 100755 tools/objtool/tests/generic/test-cold-function.sh
create mode 100755 tools/objtool/tests/generic/test-data-alignment.sh
create mode 100755 tools/objtool/tests/generic/test-export-symbol-for-modules.sh
create mode 100755 tools/objtool/tests/generic/test-function-removal.sh
create mode 100755 tools/objtool/tests/generic/test-init-reference.sh
create mode 100755 tools/objtool/tests/generic/test-jump-label-exempt-keys.sh
create mode 100755 tools/objtool/tests/generic/test-jump-label-key.sh
create mode 100755 tools/objtool/tests/generic/test-jump-label-module-key.sh
create mode 100755 tools/objtool/tests/generic/test-jump-label-module-static-key.sh
create mode 100755 tools/objtool/tests/generic/test-jump-label-new-key.sh
create mode 100755 tools/objtool/tests/generic/test-klp-funcs-content.sh
create mode 100755 tools/objtool/tests/generic/test-local-to-global-flip.sh
create mode 100755 tools/objtool/tests/generic/test-local-vs-export.sh
create mode 100755 tools/objtool/tests/generic/test-missing-checksum.sh
create mode 100755 tools/objtool/tests/generic/test-missing-modinfo.sh
create mode 100755 tools/objtool/tests/generic/test-modname-normalize.sh
create mode 100755 tools/objtool/tests/generic/test-module-object.sh
create mode 100755 tools/objtool/tests/generic/test-module-vmlinux-reloc.sh
create mode 100755 tools/objtool/tests/generic/test-new-data.sh
create mode 100755 tools/objtool/tests/generic/test-new-export-ref.sh
create mode 100755 tools/objtool/tests/generic/test-new-function.sh
create mode 100755 tools/objtool/tests/generic/test-post-link.sh
create mode 100755 tools/objtool/tests/generic/test-special-section-shared.sh
create mode 100755 tools/objtool/tests/generic/test-special-section.sh
create mode 100755 tools/objtool/tests/generic/test-static-call-annotate-stripped.sh
create mode 100755 tools/objtool/tests/generic/test-static-call-module-key.sh
create mode 100755 tools/objtool/tests/generic/test-static-call-new.sh
create mode 100755 tools/objtool/tests/generic/test-static-local-uncorrelated.sh
create mode 100755 tools/objtool/tests/generic/test-static-local.sh
create mode 100755 tools/objtool/tests/generic/test-switch-rodata.sh
create mode 100755 tools/objtool/tests/generic/test-symid-discarded.sh
create mode 100755 tools/objtool/tests/generic/test-sympos-vmlinux.sh
create mode 100755 tools/objtool/tests/generic/test-sympos.sh
create mode 100755 tools/objtool/tests/generic/test-symvers-parse-error.sh
create mode 100755 tools/objtool/tests/generic/test-thinlto-ambiguity.sh
create mode 100755 tools/objtool/tests/generic/test-thinlto-local.sh
create mode 100755 tools/objtool/tests/generic/test-ubsan-noise.sh
create mode 100644 tools/objtool/tests/lib.sh
create mode 100755 tools/objtool/tests/run-tests.sh
create mode 100644 tools/objtool/tests/x86/fixtures/alt_annotate.c
create mode 100644 tools/objtool/tests/x86/fixtures/checksum_alt.c
create mode 100644 tools/objtool/tests/x86/fixtures/empty_alternative.c
create mode 100644 tools/objtool/tests/x86/fixtures/kcfi.c
create mode 100644 tools/objtool/tests/x86/fixtures/special_sections.c
create mode 100644 tools/objtool/tests/x86/fixtures/static_call_no_key.c
create mode 100755 tools/objtool/tests/x86/test-alt-annotation.sh
create mode 100755 tools/objtool/tests/x86/test-checksum-alt.sh
create mode 100755 tools/objtool/tests/x86/test-empty-alternative.sh
create mode 100755 tools/objtool/tests/x86/test-kcfi.sh
create mode 100755 tools/objtool/tests/x86/test-manual-klp-static-call.sh
create mode 100755 tools/objtool/tests/x86/test-special-sections.sh
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2026-10-18 9:54 [GIT PULL] objtool updates for v7.4 Ingo Molnar
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