Alexei Starovoitov <alexei.starovoitov@xxxxxxxxx> writes: > On Fri, Oct 11, 2019 at 3:15 AM Tetsuo Handa > <penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote: >> >> Hello. >> >> I noticed that syzbot is reporting that refcount incremented by bpf(BPF_MAP_UPDATE_ELEM) >> syscall is not decremented when unregister_netdevice() is called. Is this a BPF bug? > > Jesper, Toke, > please take a look. Yeah, that unregister notification handler definitely looks broken for hashmaps; I'll send a patch :) -Toke
