From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 61705499F02; Mon, 31 Aug 2026 14:07:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788185258; cv=none; b=E3yorwjzHs7DxoYxh9nVfPzCCO3i0h54R/b8c9twzue+7wJjvpV292oEnx2Bqu4T6+lD0rUAzqxYX9xo7CMHFCq7UdvnVy0mNARTLqZ0GL0ZSbEHoAPB4KUZ0wH+nl03A4JowySBYdl3eZEWJqB5bP48lLADVyvkJlxjxZ0Ww1A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788185258; c=relaxed/simple; bh=ylo5z3ckQHpHqJb6a5kGpN1ON+IKcrzWvo8KcoGiEMY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=SgjNgqjE6UyLbgzIh5hTnGQunvieKhKrWcYTlN1Y6PnSAvsI2FKfOsqoLH3Sym6hfGGkV4OdxTMwTq+vVHpPw6fYC+Vw8FaVWdZGlu+QxL3iImM3V7uIWBElgHnjN/ZD6pvjFPuClrMdNzjBzmCz8WsrXiV934+1NsaTAFsnJG4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=RSo9L52p; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="RSo9L52p" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C23621F000E9; Mon, 31 Aug 2026 14:07:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1788185257; bh=G74TUqE3LJSD65FggfcnVDlpRs0hMfpFNB/sMBbcsCM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=RSo9L52p9Yoax1tVHMKN7tveFI27waKf8qJPlYXXvdgR/u8RSSyK76IPdVuzflrPf iQH7+RlFYTI++MjdYv9GBDboPwaCvVdjRp4zOPWN5qeO8kIsl6NdfbdWLf7s8Y7/OC XWR3E1mgm9KlCP0Xgyjp4RSuenD07cLllpKc/vKI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Martin KaFai Lau , syzbot+608a2acde8c5a101d07d@syzkaller.appspotmail.com, Sebastian Andrzej Siewior , Daniel Borkmann , Martin KaFai Lau , Sasha Levin Subject: [PATCH 5.10 06/43] bpf: Remove tst_run from lwt_seg6local_prog_ops. Date: Mon, 31 Aug 2026 15:35:14 +0200 Message-ID: <20260831133358.832009876@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260831133358.571886287@linuxfoundation.org> References: <20260831133358.571886287@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior [ Upstream commit c13fda93aca118b8e5cd202e339046728ee7dddb ] The syzbot reported that the lwt_seg6 related BPF ops can be invoked via bpf_test_run() without without entering input_action_end_bpf() first. Martin KaFai Lau said that self test for BPF_PROG_TYPE_LWT_SEG6LOCAL probably didn't work since it was introduced in commit 04d4b274e2a ("ipv6: sr: Add seg6local action End.BPF"). The reason is that the per-CPU variable seg6_bpf_srh_states::srh is never assigned in the self test case but each BPF function expects it. Remove test_run for BPF_PROG_TYPE_LWT_SEG6LOCAL. Suggested-by: Martin KaFai Lau Reported-by: syzbot+608a2acde8c5a101d07d@syzkaller.appspotmail.com Fixes: d1542d4ae4df ("seg6: Use nested-BH locking for seg6_bpf_srh_states.") Fixes: 004d4b274e2a ("ipv6: sr: Add seg6local action End.BPF") Signed-off-by: Sebastian Andrzej Siewior Acked-by: Daniel Borkmann Link: https://lore.kernel.org/r/20240710141631.FbmHcQaX@linutronix.de Signed-off-by: Martin KaFai Lau Signed-off-by: Sasha Levin --- net/core/filter.c | 1 - 1 file changed, 1 deletion(-) diff --git a/net/core/filter.c b/net/core/filter.c index 18d8094d87591..8ec5b4d868ab9 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -9920,7 +9920,6 @@ const struct bpf_verifier_ops lwt_seg6local_verifier_ops = { }; const struct bpf_prog_ops lwt_seg6local_prog_ops = { - .test_run = bpf_prog_test_run_skb, }; const struct bpf_verifier_ops cg_sock_verifier_ops = { -- 2.53.0