Date: Tue, 24 Mar 2026 07:16:05 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 294014] kevent doesn't notify when UNIX socket is closed Message-ID: <bug-294014-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294014 Bug ID: 294014 Summary: kevent doesn't notify when UNIX socket is closed Product: Base System Version: 15.0-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: nicolas-freebsd-8252@vertaco.eu Attachment #269066 text/plain mime type: Created attachment 269066 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=269066&action=edit The source code to reproduce the bug We noticed a different behavior of kevent between the version 15.0 and 14.3 which looks like a bug in 15.0 You can find attached an example of code to reproduce the behavior. The issue is a missing kevent notification when the remote side of an unix socket is closed. This occurs under the following context: - a write has been made on the local side of the socket to fill the write buffer before the remote side is closed. - another kevent call is made before closing the socket, unrelated to the socket operations. In my example, we create an EVFILT_TIMER and wait for it. I tried to git bisect but it's taking too much time and I failed to completely automate it. However, so far so I saw the issue in base d17bfb237065587c72db05a5bafc6bcab1206cb9 while base 712806fc4b5470eb7d9ce537e3cdf3b386455d86 works fine. Is it a real bug, or did I forgot something in my code to be notified on closed connection ? -- You are receiving this mail because: You are the assignee for the bug.home | help
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