From patchwork Sun Nov 24 15:40:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Abeni X-Patchwork-Id: 13884147 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 E4EAF163 for ; Sun, 24 Nov 2024 15:41:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732462878; cv=none; b=KVG8f0tgfgekpXdWvQxfXEEP0ZAs3nc01LzZInuI+S5PJZJHIspEmUjjS9Of/Vr6+t4y9tLh1ig69y5bL4oRMfIHvoDTJsnfD3z1d3Lji0bwEytO1OzOQ5ITmJzQEBnCuCftBmM8bdQ4/Al3sZtpFCaZglbxs08z4sKO/bX2Ahs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732462878; c=relaxed/simple; bh=EnqMQK8V+ibB/xD90DCg4FpSaGbMF/gH2c4hflIoTBA=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=d4XsE0mtQB3aHoyVHt+MiOHP4gJhHaezlnyj/xWRe1TX3po9SpxLabiE/mA52J7X+3kRcO7L+/4jPNw+W7GKii2HESKwhEPbPKHZZWPsjWtAjwXAKRz4Q8GVpp9W8EumlVgwYpwu8VvjUJMGKff6dm0GRVsIxeGV52U6FyQ33sE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=UiRmmF3k; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="UiRmmF3k" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1732462874; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=CVEm09tc+N9ZNnxoz1I43B8hzOsoZcsHpyevI/PhxN4=; b=UiRmmF3k86Dh8B5m3Jj7fDg2ZZS0h1U+nZg0tfB+buHtZyWcjocO/yH8VqiqFIPsXi7fyg EJDVJSR6rfoNqKSheGi62nOxx3uVWd7Y6FGxZZvK1d8l0xO52EPL6Lcb/GGMPaFOS9cNCs Ijdask46mvD3EAsnZxR38ACbMOpNRKw= Received: from mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-362-MXVp3urRP8GKUHvzIEZu8A-1; Sun, 24 Nov 2024 10:41:09 -0500 X-MC-Unique: MXVp3urRP8GKUHvzIEZu8A-1 X-Mimecast-MFC-AGG-ID: MXVp3urRP8GKUHvzIEZu8A Received: from mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.17]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-04.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id E17AA19560AF; Sun, 24 Nov 2024 15:41:07 +0000 (UTC) Received: from gerbillo.redhat.com (unknown [10.39.192.28]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5CCA41955F43; Sun, 24 Nov 2024 15:41:05 +0000 (UTC) From: Paolo Abeni To: netdev@vger.kernel.org Cc: Eric Dumazet , "David S. Miller" , Jakub Kicinski , Simon Horman , stefan.wiehler@nokia.com, David Ahern Subject: [PATCH v2 net 0/3] net: fix mcast RCU splats Date: Sun, 24 Nov 2024 16:40:55 +0100 Message-ID: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 X-Patchwork-Delegate: kuba@kernel.org This series addresses the RCU splat triggered by the forwarding mroute tests. The first patch does not address any specific issue, but makes the following ones more clear. Patch 2 and 3 address the issue for ipv6 and ipv4 respectively. --- v1 -> v2: - fix build issues in patch 1/3 Paolo Abeni (3): ipmr: add debug check for mr table cleanup ip6mr: fix tables suspicious RCU usage ipmr: fix tables suspicious RCU usage net/ipv4/ipmr.c | 56 +++++++++++++++++++++++++++++++++++++----------- net/ipv6/ip6mr.c | 52 ++++++++++++++++++++++++++++++++++---------- 2 files changed, 84 insertions(+), 24 deletions(-)