From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-it1-f198.google.com ([209.85.166.198]:53987 "EHLO mail-it1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727598AbfCKN0C (ORCPT ); Mon, 11 Mar 2019 09:26:02 -0400 Received: by mail-it1-f198.google.com with SMTP id 190so4987708itv.3 for ; Mon, 11 Mar 2019 06:26:01 -0700 (PDT) MIME-Version: 1.0 Date: Mon, 11 Mar 2019 06:26:01 -0700 In-Reply-To: <000000000000299b190583172880@google.com> Message-ID: <00000000000080952b0583d183f0@google.com> Subject: Re: BUG: MAX_STACK_TRACE_ENTRIES too low! From: syzbot Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: akpm@linux-foundation.org, bvanassche@acm.org, darrick.wong@oracle.com, dledford@redhat.com, gustavo@embeddedor.com, hch@infradead.org, jannh@google.com, jgg@ziepe.ca, johannes.berg@intel.com, leon@kernel.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, linux-xfs@vger.kernel.org, longman@redhat.com, mingo@kernel.org, mingo@redhat.com, paulmck@linux.vnet.ibm.com, peterz@infradead.org, roland@purestorage.com, sean.hefty@intel.com, shamir.rabinovitch@oracle.com, swise@opengridcomputing.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, tj@kernel.org, torvalds@linux-foundation.org, will.deacon@arm.com, xiyou.wangcong@gmail.com syzbot has bisected this bug to: commit 669de8bda87b92ab9a2fc663b3f5743c2ad1ae9f Author: Bart Van Assche Date: Thu Feb 14 23:00:54 2019 +0000 kernel/workqueue: Use dynamic lockdep keys for workqueues bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=17dec757200000 start commit: 669de8bd kernel/workqueue: Use dynamic lockdep keys for wo.. git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=143ec757200000 console output: https://syzkaller.appspot.com/x/log.txt?x=103ec757200000 kernel config: https://syzkaller.appspot.com/x/.config?x=bd349f14600e1305 dashboard link: https://syzkaller.appspot.com/bug?extid=78923eea7cf44364f4fb userspace arch: amd64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=149c858d200000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=111aee33200000 Reported-by: syzbot+78923eea7cf44364f4fb@syzkaller.appspotmail.com Fixes: 669de8bd ("kernel/workqueue: Use dynamic lockdep keys for workqueues")