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| author |   Li Bin <huawei.libin@huawei.com> | 2020-05-21 21:32:18 +0800 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-05-28 10:03:27 -0300 |
| commit | fa99ce828291cbbf8782284665365bc2c48e9318 (patch) | |
| tree | 59dbc6298bbf1bbee60425364e86ba9a9e2378e9 | |
| parent | perf util: Fix memory leak of prefix_if_not_in (diff) | |
| download | linux-dev-fa99ce828291cbbf8782284665365bc2c48e9318.tar.xz linux-dev-fa99ce828291cbbf8782284665365bc2c48e9318.zip | |
perf util: Fix potential SEGFAULT in put_tracepoints_path error path
This patch fix potential segment fault triggered in
put_tracepoints_path() when the address of the local variable 'path' be
freed in error path of record_saved_cmdline.
Signed-off-by: Li Bin <huawei.libin@huawei.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Hongbo Yao <yaohongbo@huawei.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Xie XiuQi <xiexiuqi@huawei.com>
Link: http://lore.kernel.org/lkml/20200521133218.30150-5-liwei391@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/util/trace-event-info.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/trace-event-info.c b/tools/perf/util/trace-event-info.c index 086e98ff42a3..0e5c4786f296 100644 --- a/tools/perf/util/trace-event-info.c +++ b/tools/perf/util/trace-event-info.c @@ -428,7 +428,7 @@ try_id: if (!ppath->next) { error: pr_debug("No memory to alloc tracepoints list\n"); - put_tracepoints_path(&path); + put_tracepoints_path(path.next); return NULL; } next: |