On Fri, Apr 14, 2023 at 08:15:03AM +0200, Andrea Righi wrote: > On Thu, Apr 13, 2023 at 09:56:00PM -0700, Alexei Starovoitov wrote: > > On Wed, Apr 12, 2023 at 2:59 AM Andrea Righi <andrea.righi@xxxxxxxxxxxxx> wrote: > > > > > > Building bpf selftests with clang can trigger errors like the following: > > > > > > CLNG-BPF [test_maps] bpf_iter_netlink.bpf.o > > > progs/bpf_iter_netlink.c:32:4: error: incompatible pointer types assigning to 'struct sock *' from 'struct sock___17 *' [-Werror,-Wincompatible-pointer-types] > > > s = &nlk->sk; > > > ^ ~~~~~~~~ > > > 1 error generated. > > > > I cannot reproduce this and BPF CI doesn't complain about it either. > > What kind of clang do you use? > > Some special version and build flags? > > I'm using Ubuntu clang version 15.0.7 (Ubuntu 23.04), no special build > flag (unless Ubuntu enables some different default flags, but it > shouldn't be the case... I'll double check). > > -Andrea Hi, FWIW, I see similar errors when I don't use recent pahole. Best regards, Ilya