From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 77F027CF25 for ; Tue, 23 Apr 2024 11:11:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713870698; cv=none; b=bDmH++AvG0oMs/euoyWBUjGF7bDsa+BHz81ALH0QEcG0MoSeep/qQeMpZXg7ydoYV+ud5VOcGacHHJgy+6eukFQIZMjqiU3XbQuNRPOpI8IXND191tLNYcTRbGmOEyrV7zteJ1StoEp5D6ktdjepQxhxUPI2TiOPjxwXYlI3sxs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713870698; c=relaxed/simple; bh=gThAD2Q+u0Hmny1E2Q9m0P8qdPTR0otQANlYGWIrVBI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gwAiX4NTPkqHKfYy0RouDQRsBFJ/JBiF+wkzFosBx4GYsXZ1QwPu4ucD1R7tV0kN1IFXAGIHsC6S4mU/XQLUi6y6ue4gPP2vPNIJZbTrkYFFWakO7L59I+0CU7PGBzWGZLAn1gCv56SM7AU9P66weCwRlB8U9m/CBPsw3PuhZAI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=TukaK27Z; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="TukaK27Z" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DAE26C116B1; Tue, 23 Apr 2024 11:11:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1713870698; bh=gThAD2Q+u0Hmny1E2Q9m0P8qdPTR0otQANlYGWIrVBI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TukaK27ZYyCqerilrUMSBbIDyLzB1kiFxlxPChhz0qK3GSaQ1xKAweBLw0rp7D/mY WOJvUxyNUIruczfjC3v07vHEpROEpM2fvKW3hIgkMzJQ9iFqUVITgKsxRt8d4jGw94 zfQ6VsLZ5KiVT7MxGnsOK50FQRQE6CCmBy2W5CTA= Date: Tue, 23 Apr 2024 13:11:28 +0200 From: Greg KH To: zhulei Cc: ap420073@gmail.com, davem@davemloft.net, jbenc@redhat.com, sashal@kernel.org, stable@vger.kernel.org Subject: Re: 4.19 stable kernel crash caused by vxlan testing Message-ID: <2024042356-launch-recapture-4bb1@gregkh> References: <715eaf46.7523.18f098372d3.Coremail.zhulei_szu@163.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <715eaf46.7523.18f098372d3.Coremail.zhulei_szu@163.com> On Tue, Apr 23, 2024 at 01:52:40PM +0800, zhulei wrote: > Hey all, > > I recently used a testing program to test the 4.19 stable branch kernel and found that a crash occurred immediately. The test source code link is: > https://github.com/Backmyheart/src0358/blob/master/vxlan_fdb_destroy.c > > The test command is as follows: > gcc vxlan_fdb_destroy.c -o vxlan_fdb_destroy -lpthread > > According to its stack, upstream has relevant repair patch, the commit id is 7c31e54aeee517d1318dfc0bde9fa7de75893dc6. > > May i ask if the 4.19 kernel will port this patch ? Have you tested to verify that it does work? If so, please provide the working patch because as-is, it does not apply to 4.19.y at all. thansk, greg k-h