Date: Fri, 04 Jun 2021 09:22:36 +0000 From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 241954] netgraph fails on concurrent node rename Message-ID: <bug-241954-7501-2xwcm0aGrm@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-241954-7501@https.bugs.freebsd.org/bugzilla/> References: <bug-241954-7501@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D241954 --- Comment #4 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D0345fd891fe13a191fc0fae9463ea9458= bfaff5a commit 0345fd891fe13a191fc0fae9463ea9458bfaff5a Author: Lutz Donnerhacke <donner@FreeBSD.org> AuthorDate: 2021-05-04 19:20:39 +0000 Commit: Lutz Donnerhacke <donner@FreeBSD.org> CommitDate: 2021-06-04 09:20:19 +0000 netgraph/ng_base: Renaming a node to the same name is a noop Detailed analysis in https://github.com/genneko/freebsd-vimage-jails/issues/2 brought the problem down to a double call of ng_node_name() before and after a vnet move. Because the name of the node is already known (occupied by itself), the second call fails. PR: 241954 Reported by: Paul Armstrong MFC: 1 week Differential Revision: https://reviews.freebsd.org/D30110 sys/netgraph/ng_base.c | 4 ++++ 1 file changed, 4 insertions(+) --=20 You are receiving this mail because: You are on the CC list for the bug.=
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