Date: Fri, 05 Feb 2021 18:13:27 +0000 From: bugzilla-noreply@freebsd.org To: x11@FreeBSD.org Subject: [Bug 253277] x11/xtrans: Don't unlink existing UNIX sockets => allows multiple X sessions from sddm Message-ID: <bug-253277-7141@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=253277 Bug ID: 253277 Summary: x11/xtrans: Don't unlink existing UNIX sockets => allows multiple X sessions from sddm Product: Ports & Packages Version: Latest Hardware: Any OS: Any Status: New Severity: Affects Some People Priority: --- Component: Individual Port(s) Assignee: x11@FreeBSD.org Reporter: olivier.freebsd@free.fr Flags: maintainer-feedback?(x11@FreeBSD.org) Assignee: x11@FreeBSD.org Created attachment 222189 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=222189&action=edit Patch against the ports tree Patch that removes the `unlink` call before binding some UNIX socket. The problem with the existing approach is that, when Xorg is launched as `root`, it can always unlink existing sockets, which it does when no display is explicitly specified and `-displayfd` is used. Moreover, the X server removes the UNIX socket when exiting (even in most abnormal cases). Typically, sddm exactly triggers the problem. So when you try to open another session through it, the first session's sockets are crushed and it becomes stale. I'm proposing the patch here since it is not practically useful on platforms that launch Xorg with an unprivileged user and because upstream seems inactive. -- You are receiving this mail because: You are the assignee for the bug.home | help
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