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| author | Namhyung Kim <namhyung@kernel.org> | 2023-06-12 16:41:01 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-19 16:21:38 +0200 |
| commit | 9999a9f004e109271696c894a930f5fc73846faf (patch) | |
| tree | 1f91457b6ab66aec9e552197bfd7f3766fcc3cb8 /tools | |
| parent | 4e06e8b1f9139d3b14ae2e30428f0abcfd7f2be5 (diff) | |
| download | linux-stable-9999a9f004e109271696c894a930f5fc73846faf.tar.gz linux-stable-9999a9f004e109271696c894a930f5fc73846faf.tar.bz2 linux-stable-9999a9f004e109271696c894a930f5fc73846faf.zip | |
perf dwarf-aux: Fix off-by-one in die_get_varname()
[ Upstream commit 3abfcfd847717d232e36963f31a361747c388fe7 ]
The die_get_varname() returns "(unknown_type)" string if it failed to
find a type for the variable. But it had a space before the opening
parenthesis and it made the closing parenthesis cut off due to the
off-by-one in the string length (14).
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Fixes: 88fd633cdfa19060 ("perf probe: No need to use formatting strbuf method")
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230612234102.3909116-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/dwarf-aux.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/dwarf-aux.c b/tools/perf/util/dwarf-aux.c index 623527edeac1..b125eaadcec4 100644 --- a/tools/perf/util/dwarf-aux.c +++ b/tools/perf/util/dwarf-aux.c @@ -1081,7 +1081,7 @@ int die_get_varname(Dwarf_Die *vr_die, struct strbuf *buf) ret = die_get_typename(vr_die, buf); if (ret < 0) { pr_debug("Failed to get type, make it unknown.\n"); - ret = strbuf_add(buf, " (unknown_type)", 14); + ret = strbuf_add(buf, "(unknown_type)", 14); } return ret < 0 ? ret : strbuf_addf(buf, "\t%s", dwarf_diename(vr_die)); |