Hi there,
please, ignore this mail. I am re-sending the series with v4 in the
subject. I am sorry for rumor.
Best Regards,
Petr
On Tue 2026-09-08 14:01:44, Petr Mladek wrote:
> This is v4 of the patch failing object initialization when it patches
> the same underlying function twice through two aliased symbols
> (functions sharing one address) in the same object.
>
> Changes against [v3]:
>
> + Add selftest for livepatching aliased symbols [Song, Harry]
>
> + Only partially revert relocations when failing inside
> klp_apply_object_relocs() [Sashiko]
>
> + Cleanup changes made by klp_init_object_loaded() for failing
> patch on another failures in klp_module_coming() [Sashiko]
>
> Changes against [v2]:
>
> + Clarify comments and the commit message [Miroslav]
>
> + Cleanup when klp_init_object_loaded() fails [Sashiko]
>
>
> [v2] https://lore.kernel.org/r/20260823060734.58443-1-x90613@gmail.com
> [v3] https://lore.kernel.org/r/20260830173343.52759-1-x90613@gmail.com
>
>
> Harry Hsu (2):
> livepatch: Fail object initialization on duplicate patched function
> selftests/livepatch: Test rejection of aliased symbols in one object
>
> Petr Mladek (3):
> livepatch: Move code for updating livepatch object relocations
> livepatch: Clear relocations when klp_apply_object_relocs() fails
> livepatch: Clean up klp_init_object_loaded() when fails
>
> kernel/livepatch/core.c | 137 ++++++++++++------
> tools/testing/selftests/livepatch/Makefile | 3 +-
> .../testing/selftests/livepatch/test-alias.sh | 81 +++++++++++
> .../selftests/livepatch/test_modules/Makefile | 4 +-
> .../test_modules/test_klp_alias_patch.c | 62 ++++++++
> .../test_modules/test_klp_alias_target.c | 48 ++++++
> 6 files changed, 285 insertions(+), 50 deletions(-)
> create mode 100755 tools/testing/selftests/livepatch/test-alias.sh
> create mode 100644 tools/testing/selftests/livepatch/test_modules/test_klp_alias_patch.c
> create mode 100644 tools/testing/selftests/livepatch/test_modules/test_klp_alias_target.c
>
> --
> 2.55.0