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Sm=C3=B8rg?=rav Subject: git: a38033234692 - main - tarfs: Limit file name length List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: Commit messages for the main branch of the src repository 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: a38033234692e9dab6f3f4404adc693fccabc14a Auto-Submitted: auto-generated Date: Mon, 02 Nov 2026 12:38:04 +0000 Message-Id: <6ae8842c.30a8a.55471c4f@gitrepo.freebsd.org> The branch main has been updated by des: URL: https://cgit.FreeBSD.org/src/commit/?id=a38033234692e9dab6f3f4404adc693fccabc14a commit a38033234692e9dab6f3f4404adc693fccabc14a Author: Dag-Erling Smørgrav AuthorDate: 2026-11-02 12:29:17 +0000 Commit: Dag-Erling Smørgrav CommitDate: 2026-11-02 12:29:17 +0000 tarfs: Limit file name length When indexing the tarball on mount, fail if a file or directory name exceeds MAXNAMLEN. Reported by: n0ps1ed Reported by: Franz Bettag MFC after: 1 week Reviewed by: markj, emaste Differential Revision: https://reviews.freebsd.org/D60903 --- sys/fs/tarfs/tarfs_subr.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sys/fs/tarfs/tarfs_subr.c b/sys/fs/tarfs/tarfs_subr.c index 431aa352cd38..180e0a53f8b9 100644 --- a/sys/fs/tarfs/tarfs_subr.c +++ b/sys/fs/tarfs/tarfs_subr.c @@ -173,6 +173,8 @@ tarfs_alloc_node(struct tarfs_mount *tmp, const char *name, size_t namelen, if (parent != NULL && parent->type != VDIR) return (ENOTDIR); + if (namelen > NAME_MAX) + return (ENAMETOOLONG); tnp = malloc(sizeof(struct tarfs_node), M_TARFSNODE, M_WAITOK | M_ZERO); mtx_init(&tnp->lock, "tarfs node lock", NULL, MTX_DEF); tnp->gen = arc4random();