Re: [PATCH v1 0/8] Various fixes around undefined behavior

From: Namhyung Kim
Date: Fri Dec 13 2024 - 19:52:50 EST


On Fri, Dec 13, 2024 at 01:04:17PM -0800, Ian Rogers wrote:
> Fix various undefined behavior issues, improve tests to make them
> easier to diagnose and add assertions so that problems don't recur.
>
> Ian Rogers (8):
> perf disasm: Avoid undefined behavior in incrementing NULL
> perf test trace_btf_enum: Skip if permissions are insufficient
> tools headers: Update offsetof and container_of
> perf evsel: Avoid container_of on a NULL leader
> tools headers: Add non-NULL assert to container_of
> perf maps: Avoid UB passing NULL to bsearch
> perf test shell lock_contention: Extra debug diagnostics
> libperf event: Ensure tracing data is multiple of 8 sized

Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Thanks,
Namhyung

>
> tools/include/linux/kernel.h | 16 ++++++++++------
> tools/lib/perf/include/perf/event.h | 1 +
> tools/perf/tests/shell/lock_contention.sh | 9 +++++++--
> tools/perf/tests/shell/trace_btf_enum.sh | 11 +++++++++++
> tools/perf/util/disasm.c | 7 +++++--
> tools/perf/util/evsel.c | 2 ++
> tools/perf/util/maps.c | 9 ++++++---
> 7 files changed, 42 insertions(+), 13 deletions(-)
>
> --
> 2.47.1.613.gc27f4b7a9f-goog
>