From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 69E55189517 for ; Sun, 8 Sep 2024 19:26:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725823618; cv=none; b=iyjPuYJqxZgQ+N2UMCLUSFcPWltYIF0gefjtQW9CVClSx5A6Egw+QzSOc/33mVCBfcOlN5JYeC73Kk6SePZj8VvlQQOLuo0jfULijO0ExDHj20C3bTs9RFGPPit/ekz2zNyj1T3pdofMNZyfSbzrcIf+NpgdhBnTT0U/5Gq/cE4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725823618; c=relaxed/simple; bh=oTycxlbvXHuk847zgBEikv79utx9zaMWqdYroi81HOQ=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=JmGfX6pVht+C4QSM+SYxLLcz82GiUAKUzph22va1pXhe5+llULZykuQEGpCGODsbiigF8OBQp2LrPW86KZDc85AT66yPEX+08ZbYZir9vvqI8amhDREURhX0E3tymM0N7UDOGrvfiL0AOSUaQdWISNRW5dTfFJqDimf5ju3zVns= 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=Ybcx4rrT; arc=none smtp.client-ip=170.10.129.124 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="Ybcx4rrT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1725823616; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=ZHunYunE4yvYgS41uFAlLjMHUcm7qtCvRULnLy7wG8U=; b=Ybcx4rrTIDOfdeaXo7I1hq+4bXdQhyH2syBB3j0Qa5XfZV6+3iWGXm/t3TyDbyrkf9aBOJ UWT9fuVgPAry1ZxjcgXzvZoPnSSwkFZB5rrI4PBCFPH6W7Ztv+03hppfY05pcctFp1B3AP C67aWYv4yS9yTDGfmgUN/FfC9wOt1Cg= 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-199-2BrG34rMNgKATF1UyJQ0vg-1; Sun, 08 Sep 2024 15:26:52 -0400 X-MC-Unique: 2BrG34rMNgKATF1UyJQ0vg-1 Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (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 481ED19560A5; Sun, 8 Sep 2024 19:26:51 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.67]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 0E6DB3001476; Sun, 8 Sep 2024 19:26:48 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <202409082345.wiwtJarb-lkp@intel.com> References: <202409082345.wiwtJarb-lkp@intel.com> To: kernel test robot Cc: dhowells@redhat.com, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Christian Brauner , Dominique Martinet Subject: Re: fs/netfs/objects.c:148:5-24: WARNING: atomic_dec_and_test variation before object free at line 150. Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <321126.1725823607.1@warthog.procyon.org.uk> Date: Sun, 08 Sep 2024 20:26:47 +0100 Message-ID: <321127.1725823607@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 kernel test robot wrote: > > 148 if (atomic_dec_and_test(&ictx->io_count)) > 149 wake_up_var(&ictx->io_count); > > 150 call_rcu(&rreq->rcu, netfs_free_request_rcu); ->io_count isn't a refcount for the rreq struct. This is not a bug. David