On Tue, May 17, 2022 at 12:49:34AM +0200, Eugene Syromiatnikov wrote: > On Mon, May 16, 2022 at 11:34:45PM +0200, Jiri Olsa wrote: > > On Mon, May 16, 2022 at 08:27:08PM +0200, Eugene Syromiatnikov wrote: > > > + if (check_mul_overflow(cnt, sizeof(*syms), &size)) > > > + return -EOVERFLOW; > > > > there was an update already: > > > > 0236fec57a15 bpf: Resolve symbols with ftrace_lookup_symbols for kprobe multi link > > > > so this won't apply anymore, could you please rebase on top of the latest bpf-next/master? > > The issue that this specific check has to go in 4.18, as it covers > possible out-of-bounds write, I'm not sure how to handle it, have > a branch where it is merged manually? As Jiri said, please use bpf-next.
