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author | 2023-04-27 01:28:41 +0000 | |
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committer | 2023-05-02 08:36:14 -0300 | |
commit | 1511e4696acb715a4fe48be89e1e691daec91c0e (patch) | |
tree | 60782347d56e4b40e8c105b418fe84abc35c17b0 /tools/perf/builtin-evlist.c | |
parent | perf list: Modify the warning message about scandirat(3) (diff) | |
download | linux-1511e4696acb715a4fe48be89e1e691daec91c0e.tar.gz linux-1511e4696acb715a4fe48be89e1e691daec91c0e.tar.bz2 linux-1511e4696acb715a4fe48be89e1e691daec91c0e.zip |
perf symbols: Fix return incorrect build_id size in elf_read_build_id()
In elf_read_build_id(), if gnu build_id is found, should return the size of
the actually copied data. If descsz is greater thanBuild_ID_SIZE,
write_buildid data access may occur.
Fixes: be96ea8ffa788dcc ("perf symbols: Fix issue with binaries using 16-bytes buildids (v2)")
Reported-by: Will Ochowicz <Will.Ochowicz@genusplc.com>
Signed-off-by: Yang Jihong <yangjihong1@huawei.com>
Tested-by: Will Ochowicz <Will.Ochowicz@genusplc.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/lkml/CWLP265MB49702F7BA3D6D8F13E4B1A719C649@CWLP265MB4970.GBRP265.PROD.OUTLOOK.COM/T/
Link: https://lore.kernel.org/r/20230427012841.231729-1-yangjihong1@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-evlist.c')
0 files changed, 0 insertions, 0 deletions