This seems to a reintroduction of bug 259174. The problem seems to be linked to: security.bsd.see_other_uids=0 security.bsd.see_other_gids=0 The log shows: sftp-server[83292]: fatal: unable to make the process untraceable: No such process
Sorry about that. I've restored the fix just now.
A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/ports/commit/?id=a12058fae3bb09a1aba41d24383b6f1d93f2b330 commit a12058fae3bb09a1aba41d24383b6f1d93f2b330 Author: Bryan Drewery <bdrewery@FreeBSD.org> AuthorDate: 2022-03-07 22:49:28 +0000 Commit: Bryan Drewery <bdrewery@FreeBSD.org> CommitDate: 2022-03-07 23:02:47 +0000 security/openssh-portable: Again fix procctl(2) usage The 8.9p1 update was supposed to have a fix for incorrect use of procctl(2) but was left out for some reason. A wrong assumption missed keeping it in ae66cffc19f357cbd5. PR: 262352 security/openssh-portable/Makefile | 2 +- .../files/patch-platform-tracing.c (new) | 21 +++++++++++++++++++++ 2 files changed, 22 insertions(+), 1 deletion(-)