diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-07-19 22:49:02 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-07-20 17:30:26 +0300 |
| commit | fcca1faf11b47011770c361a1dfc36ed83905148 (patch) | |
| tree | e578ca8874dbe58c379d46224c135f4b735433af /tools/perf/builtin-trace.c | |
| parent | 7962ef13651a9163f07b530607392ea123482e8a (diff) | |
| download | linux-fcca1faf11b47011770c361a1dfc36ed83905148.tar.xz | |
perf trace: Free thread_trace->files table
The fd->pathname table that is kept in 'struct thread_trace' and thus in
thread->priv must be freed when a thread is deleted.
This was also detected using -fsanitize=address.
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/lkml/20230719202951.534582-6-acme@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 56651d666480..7ece2521efb6 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1296,6 +1296,8 @@ static struct thread_trace *thread_trace__new(void) return ttrace; } +static void thread_trace__free_files(struct thread_trace *ttrace); + static void thread_trace__delete(void *pttrace) { struct thread_trace *ttrace = pttrace; @@ -1305,6 +1307,7 @@ static void thread_trace__delete(void *pttrace) intlist__delete(ttrace->syscall_stats); ttrace->syscall_stats = NULL; + thread_trace__free_files(ttrace); zfree(&ttrace->entry_str); free(ttrace); } @@ -1346,6 +1349,17 @@ void syscall_arg__set_ret_scnprintf(struct syscall_arg *arg, static const size_t trace__entry_str_size = 2048; +static void thread_trace__free_files(struct thread_trace *ttrace) +{ + for (int i = 0; i < ttrace->files.max; ++i) { + struct file *file = ttrace->files.table + i; + zfree(&file->pathname); + } + + zfree(&ttrace->files.table); + ttrace->files.max = -1; +} + static struct file *thread_trace__files_entry(struct thread_trace *ttrace, int fd) { if (fd < 0) |