From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: ** X-Spam-Status: No, score=2.1 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SORTED_RECIPS,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE2B4ECDFB0 for ; Thu, 12 Jul 2018 21:35:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6A3642087C for ; Thu, 12 Jul 2018 21:35:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6A3642087C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733149AbeGLVq3 (ORCPT ); Thu, 12 Jul 2018 17:46:29 -0400 Received: from mail-it0-f70.google.com ([209.85.214.70]:42087 "EHLO mail-it0-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733113AbeGLVq2 (ORCPT ); Thu, 12 Jul 2018 17:46:28 -0400 Received: by mail-it0-f70.google.com with SMTP id p21-v6so5739848itc.7 for ; Thu, 12 Jul 2018 14:35:02 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=hpVTDGTQG9iUEzS/1EQYqCrQiekgOZud5Tg3I1m2qyM=; b=mxyBjlkQ4fZAa6OHMbDoXi/GZ0gt738GIUN8XTF1BwBdNCtUjoSYWNvHYpg9MRUu6C lC2CN+W9WuKnXzN4McTPwmhi0gnN51qkJxqZXbhBwHyTP9sc5QDj/FboBAfTYUGQLVBT c3K2GLVJJmDnn8FfCXY6gMSg9aHJWob3iQ165/jEA0RlO54Zn8ykHCRP040ai577fhdG dgCjZO44RxsTdzvdadQ/b6y3fG0XDej+m6eDqpoKmp3CZFMlofOtZEo+HJbqgBDKHngO 8Mhl3Bzjloc3BhwnjN3pHQTWFOJIxE8GB1DmBW3pDJb0sF2wMvaWySAc5ctusPOkVNo6 2baA== X-Gm-Message-State: AOUpUlGnSER+dGDWmaS6obBJkiWuO/gp7D7097ogkzu8aPvaPYKvwYPX MbKZTphIvaaFe5AMo7THiyGuK51gBlLiPQuTp9qisLdZsqeU X-Google-Smtp-Source: AAOMgpcjeY4WlgcfD/MH4gk201Dnq+kDPU0pFU/hZbPmOiV8KUbyBOoFUHJ/Z3rZpvYpLCHbn4+z8iqTQ1hpa0CLwRSLCBSk7MUR MIME-Version: 1.0 X-Received: by 2002:a24:b310:: with SMTP id e16-v6mr1530183itf.50.1531431302163; Thu, 12 Jul 2018 14:35:02 -0700 (PDT) Date: Thu, 12 Jul 2018 14:35:02 -0700 In-Reply-To: <000000000000798298056e76cbbb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000c37ca80570d422f7@google.com> Subject: Re: BUG: MAX_LOCK_DEPTH too low! (2) From: syzbot To: davem@davemloft.net, e@erig.me, edumazet@google.com, jbenc@redhat.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pshelar@ovn.org, syzkaller-bugs@googlegroups.com, yi.y.yang@intel.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot has found a reproducer for the following crash on: HEAD commit: 6e6fddc78323 bpf: fix panic due to oob in bpf_prog_test_ru.. git tree: bpf console output: https://syzkaller.appspot.com/x/log.txt?x=1364db94400000 kernel config: https://syzkaller.appspot.com/x/.config?x=2ca6c7a31d407f86 dashboard link: https://syzkaller.appspot.com/bug?extid=802a5abb8abae86eb6de compiler: gcc (GCC) 8.0.1 20180413 (experimental) syzkaller repro:https://syzkaller.appspot.com/x/repro.syz?x=11572794400000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16aff568400000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+802a5abb8abae86eb6de@syzkaller.appspotmail.com IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 8021q: adding VLAN 0 to HW filter on device team0 BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz-executor169/4820: #0: (____ptrval____) (rcu_read_lock_bh){....}, at: __dev_queue_xmit+0x328/0x3910 net/core/dev.c:3503 #1: (____ptrval____) (&(&sch->seqlock)->rlock){+...}, at: spin_trylock include/linux/spinlock.h:320 [inline] #1: (____ptrval____) (&(&sch->seqlock)->rlock){+...}, at: qdisc_run_begin include/net/sch_generic.h:124 [inline] #1: (____ptrval____) (&(&sch->seqlock)->rlock){+...}, at: qdisc_run include/net/pkt_sched.h:117 [inline] #1: (____ptrval____) (&(&sch->seqlock)->rlock){+...}, at: __dev_xmit_skb net/core/dev.c:3229 [inline] #1: (____ptrval____) (&(&sch->seqlock)->rlock){+...}, at: __dev_queue_xmit+0x13a3/0x3910 net/core/dev.c:3537 #2: (____ptrval____) (dev->qdisc_running_key ?: &qdisc_running_key){+...}, at: dev_queue_xmit+0x17/0x20 net/core/dev.c:3602 #3: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #3: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #4: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #4: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #5: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #5: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #6: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #6: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #7: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #7: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #8: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #8: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #9: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #9: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #10: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #10: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #11: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #11: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #12: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #12: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #13: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #13: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #14: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #14: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #15: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #15: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #16: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #16: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #17: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #17: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #18: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #18: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #19: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #19: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #20: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #20: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #21: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #21: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #22: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #22: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #23: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #23: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #24: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #24: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #25: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #25: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #26: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #26: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #27: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #27: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #28: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #28: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #29: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #29: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #30: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #30: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #31: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #31: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #32: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #32: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #33: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #33: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #34: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #34: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #35: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #35: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #36: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #36: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #37: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #37: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #38: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #38: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #39: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #39: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #40: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #40: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #41: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #41: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #42: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #42: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #43: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #43: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #44: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #44: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #45: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #45: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #46: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #46: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 #47: (____ptrval____) (rcu_read_lock){....}, at: __skb_pull include/linux/skbuff.h:2080 [inline] #47: (____ptrval____) (rcu_read_lock){....}, at: skb_mac_gso_segment+0x229/0x740 net/core/dev.c:2787 INFO: lockdep is turned off. CPU: 0 PID: 4820 Comm: syz-executor169 Not tainted 4.18.0-rc3+ #8 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 __lock_acquire+0x175d/0x5020 kernel/locking/lockdep.c:3453 lock_acquire+0x1e4/0x540 kernel/locking/lockdep.c:3924 rcu_lock_acquire include/linux/rcupdate.h:245 [inline] rcu_read_lock include/linux/rcupdate.h:631 [inline] skb_mac_gso_segment+0x263/0x740 net/core/dev.c:2789 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 nsh_gso_segment+0x470/0xb40 net/nsh/nsh.c:111 skb_mac_gso_segment+0x3b5/0x740 net/core/dev.c:2792 __skb_gso_segment+0x3c3/0x880 net/core/dev.c:2865 skb_gso_segment include/linux/netdevice.h:4099 [inline] validate_xmit_skb+0x640/0xf30 net/core/dev.c:3104 validate_xmit_skb_list+0xbf/0x120 net/core/dev.c:3154 sch_direct_xmit+0x30e/0x1140 net/sched/sch_generic.c:312 qdisc_restart net/sched/sch_generic.c:390 [inline] __qdisc_run+0x619/0x19f0 net/sched/sch_generic.c:398 qdisc_run include/net/pkt_sched.h:118 [inline] __dev_xmit_skb net/core/dev.c:3229 [inline] __dev_queue_xmit+0x1419/0x3910 net/core/dev.c:3537 dev_queue_xmit+0x17/0x20 net/core/dev.c:3602 packet_snd net/packet/af_packet.c:2919 [inline] packet_sendmsg+0x428e/0x6130 net/packet/af_packet.c:2944 sock_sendmsg_nosec net/socket.c:641 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:651 ___sys_sendmsg+0x7fd/0x930 net/socket.c:2125 __sys_sendmsg+0x11d/0x290 net/socket.c:2163 __do_sys_sendmsg net/socket.c:2172 [inline] __se_sys_sendmsg net/socket.c:2170 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2170 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x446a99 Code: e8 9c bb 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f18672ffdb8 EFLAGS: 00000297 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00000000006dcc24 RCX: 0000000000446a99 RDX: 0000000000000000 RSI: 0000000020000480 RDI: 0000000000000004 RBP: 00000000006dcc20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000000 R13: 00007ffcf80e967f R14: 00007f18673009c0 R15: 0000000000000007 ================================================================== ------------[ cut here ]------------ BUG: KASAN: stack-out-of-bounds in lookup_object lib/debugobjects.c:157 [inline] BUG: KASAN: stack-out-of-bounds in debug_object_deactivate+0x425/0x450 lib/debugobjects.c:540 ODEBUG: deactivate not available (active state 0) object type: hrtimer hint: tick_sched_timer+0x0/0x130 kernel/time/tick-sched.c:66 Read of size 8 at addr ffff8801d770f830 by task syz-executor169/4820 WARNING: CPU: 1 PID: 0 at lib/debugobjects.c:329 debug_print_object+0x16a/0x210 lib/debugobjects.c:326