Commit 4bded7af authored by Beau Belgrave's avatar Beau Belgrave Committed by Steven Rostedt (Google)
Browse files

tracing/user_events: Fix call print_fmt leak 

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: aa3b2b4c ("user_events: Add print_fmt generation support for basic types")
Signed-off-by: default avatarBeau Belgrave <beaub@linux.microsoft.com>
Signed-off-by: default avatarSteven Rostedt (Google) <rostedt@goodmis.org>
parent bd604f3d

kernel/trace/trace_events_user.c

+1 −0
Original line number Diff line number Diff line
@@ -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;

}