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Sm=C3=B8rg?=rav From: Colin Percival Subject: git: 2cc2d2f64f8a - releng/14.5 - pseudofs: Don't purge the cache on shutdown List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: cperciva X-Git-Repository: src X-Git-Refname: refs/heads/releng/14.5 X-Git-Reftype: branch X-Git-Commit: 2cc2d2f64f8a2a557ff397948ece9eacbc43ba18 Auto-Submitted: auto-generated Date: Thu, 13 Aug 2026 23:47:41 +0000 Message-Id: <6a7e579d.1e918.53bb13cc@gitrepo.freebsd.org> The branch releng/14.5 has been updated by cperciva: URL: https://cgit.FreeBSD.org/src/commit/?id=2cc2d2f64f8a2a557ff397948ece9eacbc43ba18 commit 2cc2d2f64f8a2a557ff397948ece9eacbc43ba18 Author: Dag-Erling Smørgrav AuthorDate: 2026-08-05 08:50:47 +0000 Commit: Colin Percival CommitDate: 2026-08-13 23:44:11 +0000 pseudofs: Don't purge the cache on shutdown This is a waste of time and results in a use-after-free if linsysfs is loaded and a USB network interface is in use, since USB devices are disconnected at shutdown, which triggers a call into linsysfs, which then tries to destroy a pseudofs node which has already been purged. Approved by: re (cperciva) MFC after: 1 week Reviewed by: glebius Differential Revision: https://reviews.freebsd.org/D58359 (cherry picked from commit 4ebcdb8dd9a7bdddbc97ff6ee47e0a7556c76b5a) (cherry picked from commit ea65604407f4c2c73e889cfba07f5c65fb208996) --- sys/fs/pseudofs/pseudofs.c | 1 - 1 file changed, 1 deletion(-) diff --git a/sys/fs/pseudofs/pseudofs.c b/sys/fs/pseudofs/pseudofs.c index d3aa35379139..4bf72b665f60 100644 --- a/sys/fs/pseudofs/pseudofs.c +++ b/sys/fs/pseudofs/pseudofs.c @@ -512,7 +512,6 @@ pfs_modevent(module_t mod, int evt, void *arg) pfs_vncache_load(); break; case MOD_UNLOAD: - case MOD_SHUTDOWN: pfs_vncache_unload(); break; default: