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Thu, 19 Aug 2021 13:10:37 +0000 (GMT) Received: from tuxmaker.linux.ibm.com (unknown [9.152.85.9]) by d06av24.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Thu, 19 Aug 2021 13:10:37 +0000 (GMT) From: Sven Schnelle To: Christoph Hellwig Cc: Hillf Danton , syzbot , axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] general protection fault in wb_timer_fn References: <00000000000072e53a05c983ab22@google.com> <20210816091041.3313-1-hdanton@sina.com> <20210816093336.GA3950@lst.de> <20210819090510.GA12194@lst.de> Date: Thu, 19 Aug 2021 15:10:37 +0200 In-Reply-To: <20210819090510.GA12194@lst.de> (Christoph Hellwig's message of "Thu, 19 Aug 2021 11:05:10 +0200") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-GUID: dfLNQNtovBbxNIaVGPzzG_AJkBZsJ0MV X-Proofpoint-ORIG-GUID: 1EHAt_kdhh9IGDInKJNhKKzK0A_l-eOV X-Proofpoint-UnRewURL: 0 URL was un-rewritten MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.790 definitions=2021-08-19_04:2021-08-17,2021-08-19 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 phishscore=0 mlxlogscore=730 lowpriorityscore=0 bulkscore=0 spamscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 mlxscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2108190076 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Christoph Hellwig writes: > On Thu, Aug 19, 2021 at 11:03:42AM +0200, Sven Schnelle wrote: >> I'm seeing a similar crash in our CI: > > This series: > > https://lore.kernel.org/linux-block/20210816131910.615153-1-hch@lst.de/T/#t > > should fi it. Can you give it a spin? I tested it without your patchset and it crashed around every second try. With that patchset, i wasn't able to reproduce it. Thanks! Sven