On 09/17, Jiri Olsa wrote: > > static void handler_chain(struct uprobe *uprobe, struct pt_regs *regs) ... > + if (!ignore && !ZERO_OR_NULL_PTR(ri)) { > + /* > + * The push_idx value has the final number of return consumers, > + * and ri->consumers_cnt has number of allocated consumers. > + */ > + ri->consumers_cnt = push_idx; > + prepare_uretprobe(uprobe, regs, ri); > + } This looks wrong. ri is not kfreed if ignore == true. But see my previous email, if we change this code as I tried to suggest the problem goes away and handler_chain() doesn't need "bool ignore". Oleg.