From: Yunfeng Ye yeyunfeng@huawei.com
[ Upstream commit 1785fbb73896dbd9d27a406f0d73047df42db710 ]
There are memory leaks and file descriptor resource leaks in process_mapfile() and main().
Fix this by adding free(), fclose() and free_arch_std_events() on the error paths.
Fixes: 80eeb67fe577 ("perf jevents: Program to convert JSON file") Fixes: 3f056b66647b ("perf jevents: Make build fail on JSON parse error") Fixes: e9d32c1bf0cd ("perf vendor events: Add support for arch standard events") Signed-off-by: Yunfeng Ye yeyunfeng@huawei.com Cc: Alexander Shishkin alexander.shishkin@linux.intel.com Cc: Andi Kleen ak@linux.intel.com Cc: Feilong Lin linfeilong@huawei.com Cc: Hu Shiyuan hushiyuan@huawei.com Cc: Jiri Olsa jolsa@redhat.com Cc: John Garry john.garry@huawei.com Cc: Kan Liang kan.liang@linux.intel.com Cc: Luke Mujica lukemujica@google.com Cc: Mark Rutland mark.rutland@arm.com Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: Zenghui Yu yuzenghui@huawei.com Link: http://lore.kernel.org/lkml/d7907042-ec9c-2bef-25b4-810e14602f89@huawei.com Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/perf/pmu-events/jevents.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c index 6cd9623ebc93b..38b5888ef7b38 100644 --- a/tools/perf/pmu-events/jevents.c +++ b/tools/perf/pmu-events/jevents.c @@ -754,6 +754,7 @@ static int process_mapfile(FILE *outfp, char *fpath) char *line, *p; int line_num; char *tblname; + int ret = 0;
pr_info("%s: Processing mapfile %s\n", prog, fpath);
@@ -765,6 +766,7 @@ static int process_mapfile(FILE *outfp, char *fpath) if (!mapfp) { pr_info("%s: Error %s opening %s\n", prog, strerror(errno), fpath); + free(line); return -1; }
@@ -791,7 +793,8 @@ static int process_mapfile(FILE *outfp, char *fpath) /* TODO Deal with lines longer than 16K */ pr_info("%s: Mapfile %s: line %d too long, aborting\n", prog, fpath, line_num); - return -1; + ret = -1; + goto out; } line[strlen(line)-1] = '\0';
@@ -821,7 +824,9 @@ static int process_mapfile(FILE *outfp, char *fpath)
out: print_mapping_table_suffix(outfp); - return 0; + fclose(mapfp); + free(line); + return ret; }
/* @@ -1118,6 +1123,7 @@ int main(int argc, char *argv[]) goto empty_map; } else if (rc < 0) { /* Make build fail */ + fclose(eventsfp); free_arch_std_events(); return 1; } else if (rc) { @@ -1130,6 +1136,7 @@ int main(int argc, char *argv[]) goto empty_map; } else if (rc < 0) { /* Make build fail */ + fclose(eventsfp); free_arch_std_events(); return 1; } else if (rc) { @@ -1147,6 +1154,8 @@ int main(int argc, char *argv[]) if (process_mapfile(eventsfp, mapfile)) { pr_info("%s: Error processing mapfile %s\n", prog, mapfile); /* Make build fail */ + fclose(eventsfp); + free_arch_std_events(); return 1; }