Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 1/3] tracing: Fix double free when function profile init failed | Date | Mon, 1 Apr 2013 21:46:23 +0900 |
| |
From: Namhyung Kim <namhyung.kim@lge.com>
On the failure path, stat->start and stat->pages will refer same page. So it'll attempt to free the same page again and get kernel panic.
Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- kernel/trace/ftrace.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 25770824598f..65bc47472b1b 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -694,7 +694,6 @@ int ftrace_profile_pages_init(struct ftrace_profile_stat *stat) free_page(tmp); } - free_page((unsigned long)stat->pages); stat->pages = NULL; stat->start = NULL; -- 1.7.11.7
| |