On Fri, Apr 16, 2021 at 08:32:20PM -0700, Alexei Starovoitov wrote: > From: Alexei Starovoitov <ast@xxxxxxxxxx> > > Add bpf_sys_close() helper to be used by the syscall/loader program to close > intermediate FDs and other cleanup. Conditional NAK. In a lot of contexts close_fd() is very much unsafe. In particular, anything that might call it between fdget() and fdput() is Right Fucking Out(tm). In which contexts can that thing be executed?
