[Bug 280809] jail_attach(2) fails to document reason for EPERM

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 10 Oct 2025 17:16:47 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=280809

--- Comment #10 from commit-hook@FreeBSD.org ---
A commit in branch stable/14 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=6e888a22743f67d3b130dd0a9b9849bcee160d2f

commit 6e888a22743f67d3b130dd0a9b9849bcee160d2f
Author:     Olivier Certner <olce@FreeBSD.org>
AuthorDate: 2025-09-01 09:31:23 +0000
Commit:     Olivier Certner <olce@FreeBSD.org>
CommitDate: 2025-10-10 17:15:55 +0000

    jail.2: Mention EPERM is returned on open directories

    The manual page does not directly mention this reason for getting EPERM,
    instead referring the reader to chroot(2).  We have had some questions
    about it recently, in part due to a bug (fixed), and this case is not an
    obvious permission/problem, so let's be more explicit.

    PR:             280809
    Reviewed by:    jamie
    MFC after:      3 days
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D52319

    (cherry picked from commit ef2f36be8fce8cf7a62ce7d33ab1c4a181fac3e2)

 lib/libc/sys/jail.2 | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

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