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Sm=C3=B8rg?=rav Subject: git: 4ebcdb8dd9a7 - main - pseudofs: Don't purge the cache on shutdown List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@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: des X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 4ebcdb8dd9a7bdddbc97ff6ee47e0a7556c76b5a Auto-Submitted: auto-generated Date: Wed, 05 Aug 2026 08:51:10 +0000 Message-Id: <6a72f97e.3da20.48c8f0c8@gitrepo.freebsd.org> The branch main has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=4ebcdb8dd9a7bdddbc97ff6ee47e0a7556c76b5a commit 4ebcdb8dd9a7bdddbc97ff6ee47e0a7556c76b5a Author: Dag-Erling Smørgrav AuthorDate: 2026-08-05 08:50:47 +0000 Commit: Dag-Erling Smørgrav CommitDate: 2026-08-05 08:50:47 +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. MFC after: 1 week Reviewed by: glebius Differential Revision: https://reviews.freebsd.org/D58359 --- 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 7a4e67455214..a301140f1003 100644 --- a/sys/fs/pseudofs/pseudofs.c +++ b/sys/fs/pseudofs/pseudofs.c @@ -532,7 +532,6 @@ pfs_modevent(module_t mod, int evt, void *arg) pfs_vncache_load(); break; case MOD_UNLOAD: - case MOD_SHUTDOWN: pfs_vncache_unload(); break; default: