> On Jan 5, 2025, at 9:24 PM, David Holland <dholland-t...@netbsd.org> wrote: > > On Sun, Jan 05, 2025 at 04:24:23AM +0100, Jean-Yves Migeon (NetBSD) wrote: >> Also all argv[] strings can be modifiable by callee. pathname of the >> execution (as passed to execve(2) or like) is not. > > So? > > (also, that's UB in C so the traditional Unix behavior is not by any > means guaranteed, and on NetBSD you should be using setproctitle(3) > for that instead anyhow)
What exactly is UB in C? Since execve(2) is not part of ANSI/ISO C, I presume you might be talking about modification of the argv[] strings? But that is explicitly allowed, and not UB.
