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| author | Ian Rogers <irogers@google.com> | 2024-10-16 16:56:22 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-12-05 14:02:20 +0100 |
| commit | aa2e3dcf7c198e9c4b248149620cc25e50fff4df (patch) | |
| tree | 45ee4f77268f1c3f2ba3a3f4bda4e694479f9278 /rust/kernel/workqueue.rs | |
| parent | 51dfd5c18133056b816cc2b38ad2209c0c619d35 (diff) | |
| download | linux-aa2e3dcf7c198e9c4b248149620cc25e50fff4df.tar.gz linux-aa2e3dcf7c198e9c4b248149620cc25e50fff4df.tar.bz2 linux-aa2e3dcf7c198e9c4b248149620cc25e50fff4df.zip | |
perf probe: Fix libdw memory leak
[ Upstream commit 4585038b8e186252141ef86e9f0d8e97f11dce8d ]
Add missing dwarf_cfi_end to free memory associated with probe_finder
cfi_eh which is allocated and owned via a call to
dwarf_getcfi_elf. Confusingly cfi_dbg shouldn't be freed as its memory
is owned by the passed in debuginfo struct. Add comments to highlight
this.
This addresses leak sanitizer issues seen in:
tools/perf/tests/shell/test_uprobe_from_different_cu.sh
Fixes: 270bde1e76f4 ("perf probe: Search both .eh_frame and .debug_frame sections for probe location")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Steinar H. Gunderson <sesse@google.com>
Cc: Alexander Lobakin <aleksander.lobakin@intel.com>
Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/20241016235622.52166-3-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'rust/kernel/workqueue.rs')
0 files changed, 0 insertions, 0 deletions