Messages in this thread Patch in this message |  | | Date | Sat, 10 Dec 2022 08:57:51 -0500 | From | Steven Rostedt <> | Subject | [for-next][PATCH 01/25] tracing/user_events: Fix call print_fmt leak |
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From: Beau Belgrave <beaub@linux.microsoft.com>
If user_event_trace_register() fails within user_event_parse() the call's print_fmt member is not freed. Add kfree call to fix this.
Link: https://lkml.kernel.org/r/20221123183248.554-1-beaub@linux.microsoft.com
Fixes: aa3b2b4c6692 ("user_events: Add print_fmt generation support for basic types") Signed-off-by: Beau Belgrave <beaub@linux.microsoft.com> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org> --- kernel/trace/trace_events_user.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/kernel/trace/trace_events_user.c b/kernel/trace/trace_events_user.c index 539b08ae7020..9cb53182bb31 100644 --- a/kernel/trace/trace_events_user.c +++ b/kernel/trace/trace_events_user.c @@ -1359,6 +1359,7 @@ static int user_event_parse(struct user_event_group *group, char *name, put_user: user_event_destroy_fields(user); user_event_destroy_validators(user); + kfree(user->call.print_fmt); kfree(user); return ret; } -- 2.35.1
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