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 E86E6190664 for ; Tue, 24 Jun 2025 08:03:52 +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=1750752234; cv=none; b=Xpn1wnA5Kig7zvj2Oc+nPjCtiBC5TH1+GNR24qDWqCFZ8vj4UF1baFhmHHmIQKQLYIgwPsXIRe9OA+aD16n4OZyvqpjdMfEfRbYODC0y4vUI1y/Zf0Z4RTrihN2Hchafs9vfhDsoAjPQ3olM5C3OpM8/pvBTPex+BsebMyQd3Ig= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750752234; c=relaxed/simple; bh=ZUXY2YGM1ZyiMRvTcci8TrV3AET4pzyhTTVuIyOjZH0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=fT7VWRCWKYSFxSE57agLsDFoaosSInprP/wi62RRYXrMNWz5oU4aQGBWF1XdBpBkWaImAKoHuVTNW+ygqElpxnkbVfYxtAyOYyFw0Xcju4ZWAepcbRD1+1YcVmr1NLoj+/yUwKrymH8ATDBCKtpXyqeuHoeE/8oQcgEGK0ynqE0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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=POw5Gld8; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine 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="POw5Gld8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1750752231; 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=E1eiWyR4pvANqmCeGgWrAPDFaNKRog5D/Lez74zjrX4=; b=POw5Gld8lIqv2TAH32Q19Fk8psQYk4jTW4aQlhUMtttgPZpa7chaUN4q/PWHAMhd4z6mFI ikmkAfEnNM292PH8KhZeMIAf2OzDwslJh9oi1qwx+TI+msg2H980qFsi7bWUmdCh4VUAVN Uw+oFm3BPf8VQXq9CbPQm+dAyXFJy1M= 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-619-1bhA0r3DNPqwEusgEfDSIg-1; Tue, 24 Jun 2025 04:03:49 -0400 X-MC-Unique: 1bhA0r3DNPqwEusgEfDSIg-1 X-Mimecast-MFC-AGG-ID: 1bhA0r3DNPqwEusgEfDSIg_1750752228 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 ACBD919560B3; Tue, 24 Jun 2025 08:03:48 +0000 (UTC) Received: from fedora (unknown [10.72.116.86]) by mx-prod-int-05.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id BE41D195608D; Tue, 24 Jun 2025 08:03:45 +0000 (UTC) Date: Tue, 24 Jun 2025 16:03:40 +0800 From: Ming Lei To: Changhui Zhong Cc: Linux Block Devices , io-uring@vger.kernel.org Subject: Re: [bug report] WARNING: CPU: 3 PID: 175811 at io_uring/io_uring.c:2921 io_ring_exit_work+0x155/0x288 Message-ID: References: Precedence: bulk X-Mailing-List: linux-block@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: X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 On Tue, Jun 24, 2025 at 01:37:55PM +0800, Changhui Zhong wrote: > Hello, > > the following warnning info was triggered by ubdsrv generic/004 tests, > please help check and let me know if you need any info/test, thanks. > > repo: https://github.com/torvalds/linux.git > branch: master > INFO: HEAD of cloned kernel > commit 86731a2a651e58953fc949573895f2fa6d456841 > Author: Linus Torvalds > Date: Sun Jun 22 13:30:08 2025 -0700 > > Linux 6.16-rc3 > > > reproducer: > # echo 0 > /proc/sys/kernel/io_uring_disabled > # modprobe ublk_drv > # for i in {0..30};do make test T=generic; done Hi Changhui, Please try the fix for your yesterday's report: https://lore.kernel.org/linux-block/20250624022049.825370-1-ming.lei@redhat.com/ The same test can survive for hours in my VM with the fix. Thanks, Ming