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[23.128.96.18]) by mx.google.com with ESMTP id dm15si6754326ejc.270.2021.03.26.02.23.46; Fri, 26 Mar 2021 02:24:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@google.com header.s=20161025 header.b="fH/Vq3g7"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=google.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230153AbhCZJWS (ORCPT + 99 others); Fri, 26 Mar 2021 05:22:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230059AbhCZJVs (ORCPT ); Fri, 26 Mar 2021 05:21:48 -0400 Received: from mail-qk1-x72f.google.com (mail-qk1-x72f.google.com [IPv6:2607:f8b0:4864:20::72f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 912C7C0613B4 for ; Fri, 26 Mar 2021 02:21:47 -0700 (PDT) Received: by mail-qk1-x72f.google.com with SMTP id x14so4523803qki.10 for ; Fri, 26 Mar 2021 02:21:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=D5R/OsCrfOhAkAC9wHW67hb0GX0UwxDY8KZQaXm/H/U=; b=fH/Vq3g7AGLmH/wsL403Ckzl2fdiB7paMjQhOn9sEbOa+qDcHlBmJLzKEYIvZz8lCY VHC/38UKBxaVgYJf6Ftir0gSMJEb40+7F4gHwxyo/WYxGCgUhELyQFb63jUxdJTrdmId +Lgu9mZ4E9qFucVl1A+kxja7QRwjGDq74pCef0YtzlwXVsFVepfEXhEXjJgLQW9QDm8l 4SkwISmQy2yXENMOFENIP+OiI86qjVEGqJL4kYo/YKUO2ltuFLtb+O3ETjqcRqQPgjZv udbluclz8ZAWMauVV2O+x96Yj6twNTwiVNx/27nLVJuNq3LXMYtCp+XNNikZcjuJ2//o 940Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=D5R/OsCrfOhAkAC9wHW67hb0GX0UwxDY8KZQaXm/H/U=; b=IFSddsf++AA5ZZtMuLNAHx2OzCj38jO8ZhXTnVL7qN/q99JEMmQBHGhKzPQkqRypcf MuagIS+OfpMcr5uOVOqqJI607pJg9hgaPhqqQ9GCuFwfI3lB0Pivlft0UweD4AuqDOW8 AgyV9LKBFpQFkeQUuV9wA9nIoRpr8Pwu/k1pxD6QOMjvOpFhHKG+YMzyY5HE9Vmzhtx7 Yx/bCshyeiWOGkdFwkSqqDci008xC/GSpksX8rwCaPwBEapM2YqkNs7WR6Sd9my7Yl2N HmQ2rpU0XAdgLf2i3HB0Gd8Rn9Ta80FpHouXLINC3kyU9J4XMg9SxMqDteTkmTDnVda4 LKXw== X-Gm-Message-State: AOAM530eBElTC9FwHtpoiFPZjE0B0u5njWSoVUXnCJpmAYhfPOkbUFX4 WyvA3ggX6g2/Ao+HIK8Q+F6EuX9XsWIjk/34JS8cGg== X-Received: by 2002:ae9:e513:: with SMTP id w19mr12656866qkf.231.1616750506171; Fri, 26 Mar 2021 02:21:46 -0700 (PDT) MIME-Version: 1.0 References: <00000000000069c40405be6bdad4@google.com> <20210326091207.5si6knxs7tn6rmod@wittgenstein> In-Reply-To: <20210326091207.5si6knxs7tn6rmod@wittgenstein> From: Dmitry Vyukov Date: Fri, 26 Mar 2021 10:21:34 +0100 Message-ID: Subject: Re: [syzbot] KASAN: null-ptr-deref Read in filp_close (2) To: Christian Brauner Cc: syzbot , linux-fsdevel , LKML , syzkaller-bugs , Al Viro Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Mar 26, 2021 at 10:12 AM Christian Brauner wrote: > > On Fri, Mar 26, 2021 at 09:02:08AM +0100, Dmitry Vyukov wrote: > > On Fri, Mar 26, 2021 at 8:55 AM syzbot > > wrote: > > > > > > Hello, > > > > > > syzbot found the following issue on: > > > > > > HEAD commit: 5ee96fa9 Merge tag 'irq-urgent-2021-03-21' of git://git.ke.. > > > git tree: upstream > > > console output: https://syzkaller.appspot.com/x/log.txt?x=17fb84bed00000 > > > kernel config: https://syzkaller.appspot.com/x/.config?x=6abda3336c698a07 > > > dashboard link: https://syzkaller.appspot.com/bug?extid=283ce5a46486d6acdbaf > > > > > > Unfortunately, I don't have any reproducer for this issue yet. > > > > > > IMPORTANT: if you fix the issue, please add the following tag to the commit: > > > Reported-by: syzbot+283ce5a46486d6acdbaf@syzkaller.appspotmail.com > > > > I was able to reproduce this with the following C program: > > https://gist.githubusercontent.com/dvyukov/00fb7aae489f22c60b4e64b45ef14d60/raw/cb368ca523d01986c2917f4414add0893b8f4243/gistfile1.txt > > > > +Christian > > The repro also contains close_range as the previous similar crash: > > https://syzkaller.appspot.com/bug?id=1bef50bdd9622a1969608d1090b2b4a588d0c6ac > > I don't know if it's related or not in this case, but looks suspicious. > > Hm, I fail to reproduce this with your repro. Do you need to have it run > for a long time? > One thing that strucky my eye is that binfmt_misc gets setup which made > me go huh and I see commit > > commit e7850f4d844e0acfac7e570af611d89deade3146 > Author: Lior Ribak > Date: Fri Mar 12 21:07:41 2021 -0800 > > binfmt_misc: fix possible deadlock in bm_register_write > > which uses filp_close() after having called open_exec() on the > interpreter which makes me wonder why this doesn't have to use fput() > like in all other codepaths for binfmnt_*. > > Can you revert this commit and see if you can reproduce this issue. > Maybe this is a complete red herring but worth a try. This program reproduces the crash for me almost immediately. Are you sure you used the right commit/config? I tried to revert the commit, but it still crashed: Revert "binfmt_misc: pass binfmt_misc flags to the interpreter" This reverts commit 2347961b11d4079deace3c81dceed460c08a8fc1. root@syzkaller:~# ./a.out [ 52.774025][ T8417] cgroup: Unknown subsys name 'cpuset' [ 52.774025][ T8419] cgroup: Unknown subsys name 'cpuset' [ 52.774102][ T8420] cgroup: Unknown subsys name 'cpuset' [ 52.779016][ T8418] cgroup: Unknown subsys name 'cpuset' [ 53.884323][ T8417] IPVS: ftp: loaded support on port[0] = 21 [ 53.886698][ T8418] IPVS: ftp: loaded support on port[0] = 21 [ 53.902865][ T8420] IPVS: ftp: loaded support on port[0] = 21 [ 53.903916][ T8419] IPVS: ftp: loaded support on port[0] = 21 [ 53.988507][ T8420] chnl_net:caif_netlink_parms(): no params data found [ 54.047612][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 54.083928][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.085630][ T8420] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.087502][ T8420] device bridge_slave_0 entered promiscuous mode [ 54.092748][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.094368][ T8420] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.096169][ T8420] device bridge_slave_1 entered promiscuous mode [ 54.147535][ T8418] chnl_net:caif_netlink_parms(): no params data found [ 54.196200][ T8420] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.204123][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.205410][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.207145][ T8417] device bridge_slave_0 entered promiscuous mode [ 54.210785][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.211923][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.213488][ T8417] device bridge_slave_1 entered promiscuous mode [ 54.216445][ T8420] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.224477][ T8419] chnl_net:caif_netlink_parms(): no params data found [ 54.239118][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.256575][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.260275][ T8420] team0: Port device team_slave_0 added [ 54.279533][ T8420] team0: Port device team_slave_1 added [ 54.292773][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.322675][ T8418] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.351991][ T8418] device bridge_slave_0 entered promiscuous mode [ 54.383614][ T8418] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.415226][ T8418] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.447532][ T8418] device bridge_slave_1 entered promiscuous mode [ 54.488335][ T8417] team0: Port device team_slave_0 added [ 54.503504][ T8420] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.504623][ T8420] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over th. [ 54.508710][ T8420] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.512314][ T8417] team0: Port device team_slave_1 added [ 54.514066][ T8420] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.515198][ T8420] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over th. [ 54.519650][ T8420] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.540431][ T8418] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.542677][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.544534][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.546775][ T8419] device bridge_slave_0 entered promiscuous mode [ 54.552027][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.553578][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.555492][ T8419] device bridge_slave_1 entered promiscuous mode [ 54.567672][ T8418] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.573989][ T8417] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.575868][ T8417] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over th. [ 54.582147][ T8417] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.596432][ T8420] device hsr_slave_0 entered promiscuous mode [ 54.598893][ T8420] device hsr_slave_1 entered promiscuous mode [ 54.607754][ T8417] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.609041][ T8417] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over th. [ 54.619663][ T8417] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.624989][ T8419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.629738][ T8418] team0: Port device team_slave_0 added [ 54.636611][ T8418] team0: Port device team_slave_1 added [ 54.638642][ T8419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.668637][ T8418] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.669792][ T8418] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over th. [ 54.673749][ T8418] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.680397][ T8419] team0: Port device team_slave_0 added [ 54.684125][ T8417] device hsr_slave_0 entered promiscuous mode [ 54.686156][ T8417] device hsr_slave_1 entered promiscuous mode [ 54.687835][ T8417] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.689864][ T8417] Cannot create hsr debugfs directory [ 54.691469][ T8418] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.692806][ T8418] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over th. [ 54.697723][ T8418] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.705348][ T8419] team0: Port device team_slave_1 added [ 54.727458][ T8418] device hsr_slave_0 entered promiscuous mode [ 54.728810][ T8418] device hsr_slave_1 entered promiscuous mode [ 54.730089][ T8418] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.731279][ T8418] Cannot create hsr debugfs directory [ 54.748153][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.749632][ T8419] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over th. [ 54.755030][ T8419] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.768306][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.769982][ T8419] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over th. [ 54.774855][ T8419] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.829550][ T8419] device hsr_slave_0 entered promiscuous mode [ 54.831300][ T8419] device hsr_slave_1 entered promiscuous mode [ 54.832906][ T8419] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 54.834451][ T8419] Cannot create hsr debugfs directory [ 54.887137][ T8420] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 54.891644][ T8420] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 54.900135][ T8420] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 54.904165][ T8420] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 54.925803][ T8417] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 54.930799][ T8417] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 54.933594][ T8417] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 54.938436][ T8417] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 54.941530][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.942785][ T8420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.944287][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.945415][ T8420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.962977][ T8418] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 54.965605][ T8418] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 54.968715][ T8418] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 54.971746][ T8418] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 54.994089][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.995230][ T8417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.996440][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.997554][ T8417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.006265][ T8419] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.015556][ T8419] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 55.019751][ T8419] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 55.024621][ T8418] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.026236][ T8418] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.027997][ T8418] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.029650][ T8418] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.033870][ T8419] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.045317][ T5237] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.047268][ T5237] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.049895][ T5237] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.051483][ T5237] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.054479][ T5237] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.056295][ T5237] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.082924][ T8420] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.102238][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.104738][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.108466][ T8420] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.122029][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.123807][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.125417][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.126654][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.129601][ T8417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.139730][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.141602][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.143115][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.144228][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.153194][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.159570][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.162235][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.166161][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.175784][ T8417] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.178483][ T8418] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.182508][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.184444][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.189340][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.191123][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.192865][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.194478][ T3916] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.195650][ T3916] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.207785][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.209481][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.211025][ T8427] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.212131][ T8427] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.213461][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.215100][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.216730][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.218215][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.227631][ T8460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.230092][ T8460] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.231894][ T8460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.235044][ T8418] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.237516][ T8460] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.239461][ T8460] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.247613][ T8420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.251109][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.253309][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.255350][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.264928][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.266460][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.267980][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.269494][ T4945] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.270603][ T4945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.271971][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.273575][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.279757][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.282041][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.284040][ T3916] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.285560][ T3916] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.297126][ T8417] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.298778][ T8417] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.303433][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.305692][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.307922][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.311494][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.313580][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.315713][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.322963][ T8419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.325385][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.349443][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.350706][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.351959][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.353372][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.354769][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.356388][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.357942][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.359611][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.360815][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.362478][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.364023][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.370049][ T8417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.371639][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.373247][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.376112][ T8419] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.381526][ T8418] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.383755][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.385310][ T4945] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.386752][ T4945] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.387865][ T4945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.390813][ T8420] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.396284][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.397725][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.399586][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.401069][ T8458] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.402284][ T8458] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.417004][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.424546][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.426557][ T3916] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.435722][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.437382][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.438957][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 55.441726][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.443386][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.444587][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.445831][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.458379][ T8418] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.464070][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.465632][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.467014][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.468484][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.471113][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.472680][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.478542][ T8417] device veth0_vlan entered promiscuous mode [ 55.486649][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 55.488193][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.490207][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.491622][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.498241][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.500145][ T8420] device veth0_vlan entered promiscuous mode [ 55.502453][ T8419] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.505635][ T8417] device veth1_vlan entered promiscuous mode [ 55.513802][ T8420] device veth1_vlan entered promiscuous mode [ 55.528752][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.530814][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.532748][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.534307][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.536368][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.537604][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.543990][ T8460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.545601][ T8460] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.557011][ T8419] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.559703][ T8417] device veth0_macvtap entered promiscuous mode [ 55.568438][ T8417] device veth1_macvtap entered promiscuous mode [ 55.576974][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.578675][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.580454][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.581893][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.585857][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.590147][ T8418] device veth0_vlan entered promiscuous mode [ 55.593438][ T8420] device veth0_macvtap entered promiscuous mode [ 55.596388][ T8417] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.599685][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.601259][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.602892][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.606834][ T8420] device veth1_macvtap entered promiscuous mode [ 55.609803][ T8417] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.613750][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.615316][ T8427] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.618276][ T8418] device veth1_vlan entered promiscuous mode [ 55.621546][ T8417] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.623016][ T8417] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.624411][ T8417] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.625764][ T8417] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.633979][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.635485][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.637046][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.647653][ T8420] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.650656][ T8420] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.653585][ T8420] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.661918][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.663516][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.669589][ T8420] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 55.671380][ T8420] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.673566][ T8420] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.676293][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.678269][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.681491][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.683507][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.685073][ T47] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.693628][ T8419] device veth0_vlan entered promiscuous mode [ 55.695711][ T8420] netdevsim netdevsim3 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.697187][ T8420] netdevsim netdevsim3 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.698641][ T8420] netdevsim netdevsim3 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.701227][ T8420] netdevsim netdevsim3 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.712126][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.723666][ T8418] device veth0_macvtap entered promiscuous mode [ 55.732979][ T8418] device veth1_macvtap entered promiscuous mode [ 55.743076][ T8419] device veth1_vlan entered promiscuous mode [ 55.764965][ T3092] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.766588][ T3092] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.773260][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.775027][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.776594][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.778171][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.787908][ T3093] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.787950][ T8418] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.789768][ T8418] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.791403][ T3093] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.792640][ T8418] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.795462][ T8418] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.797603][ T8418] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.798845][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 55.800562][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 55.802140][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.824228][ T3092] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.824417][ T8418] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 55.825590][ T3092] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.827225][ T8418] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.827232][ T8418] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 55.832197][ T8418] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.834287][ T8418] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.836978][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.838488][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 55.848341][ T8462] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.853941][ T3093] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.855398][ T3093] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.857652][ T8418] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.859775][ T8418] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.861661][ T8418] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.863521][ T8418] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.866508][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 55.876206][ T8463] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.881066][ T8419] device veth0_macvtap entered promiscuous mode [ 55.881542][ T8417] cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation [ 55.893570][ T8419] device veth1_macvtap entered promiscuous mode [ 55.911291][ T8419] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.912945][ T8419] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.914468][ T8419] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.916157][ T8419] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.917673][ T8419] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 55.919741][ T48] Bluetooth: hci0: command 0x0409 tx timeout [ 55.920927][ T8419] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.923609][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.929424][ T8457] Bluetooth: hci3: command 0x0409 tx timeout [ 55.930423][ T8457] Bluetooth: hci2: command 0x0409 tx timeout [ 55.931353][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.933012][ T8457] Bluetooth: hci1: command 0x0409 tx timeout [ 55.934563][ T8458] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.937382][ T8465] ================================================================== [ 55.937545][ T8468] general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN [ 55.938204][ T8419] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 55.938215][ T8419] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.938220][ T8419] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 55.938227][ T8419] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.938232][ T8419] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 55.938239][ T8419] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 55.938755][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.938769][ T8465] BUG: KASAN: null-ptr-deref in filp_close+0x22/0x170 [ 55.940640][ T8468] KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] [ 55.941689][ T8418] ieee80211 phy8: Selected rate control algorithm 'minstrel_ht' [ 55.942228][ T8465] Read of size 8 at addr 0000000000000077 by task a.out/8465 [ 55.943745][ T8468] CPU: 0 PID: 8468 Comm: a.out Not tainted 5.12.0-rc2+ #111 [ 55.945341][ T8465] [ 55.945348][ T8465] CPU: 1 PID: 8465 Comm: a.out Not tainted 5.12.0-rc2+ #111 [ 55.946919][ T8468] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-44-g88ab0c15525c-prebuilt.qemu.org 04/01/2014 [ 55.948513][ T8465] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.13.0-44-g88ab0c15525c-prebuilt.qemu.org 04/01/2014 [ 55.950035][ T8468] RIP: 0010:filp_close+0x33/0x170 [ 55.951141][ T8465] Call Trace: [ 55.951146][ T8465] dump_stack+0x141/0x1d7 [ 55.952193][ T8468] Code: 89 fd 4c 8d 6d 78 53 e8 6b 8d b5 ff be 08 00 00 00 4c 89 ef e8 8e d8 f6 ff 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 005 [ 55.953483][ T8465] ? filp_close+0x22/0x170 [ 55.954674][ T8468] RSP: 0018:ffffc900018c7ad8 EFLAGS: 00010203 [ 55.955806][ T8465] kasan_report.cold+0x5f/0xd8 [ 55.957002][ T8468] [ 55.957005][ T8468] RAX: dffffc0000000000 RBX: ffffffffffffffff RCX: ffffffff81bbb852 [ 55.957361][ T8465] ? filp_close+0x22/0x170 [ 55.958497][ T8468] RDX: 000000000000000e RSI: 0000000000000008 RDI: 0000000000000077 [ 55.960331][ T8465] kasan_check_range+0x13d/0x180 [ 55.962185][ T8468] RBP: ffffffffffffffff R08: 0000000000000000 R09: 000000000000007f [ 55.962943][ T8465] filp_close+0x22/0x170 [ 55.963438][ T8468] R10: ffffed1020c94914 R11: 0000000000000000 R12: ffff8881064a4780 [ 55.964083][ T8465] put_files_struct+0x1d0/0x350 [ 55.967078][ T8468] R13: 0000000000000077 R14: ffff8881064a4780 R15: ffff8881064a48a0 [ 55.967742][ T8465] exit_files+0x7e/0xa0 [ 55.968652][ T8468] FS: 0000000000000000(0000) GS:ffff888159e00000(0000) knlGS:0000000000000000 [ 55.969361][ T8465] do_exit+0xba9/0x2a40 [ 55.969718][ T8468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.970913][ T8465] ? queued_spin_lock_slowpath+0xcc/0x940 [ 55.971589][ T8468] CR2: 00000000004a2638 CR3: 0000000117245000 CR4: 0000000000750ef0 [ 55.972810][ T8465] ? find_held_lock+0x2d/0x110 [ 55.973564][ T8468] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.974777][ T8465] ? mm_update_next_owner+0x7a0/0x7a0 [ 55.975431][ T8468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.976738][ T8465] ? get_signal+0x37b/0x2490 [ 55.977487][ T8468] PKRU: 55555554 [ 55.977492][ T8468] Call Trace: [ 55.978686][ T8465] ? lock_downgrade+0x6e0/0x6e0 [ 55.979316][ T8468] put_files_struct+0x1d0/0x350 [ 55.980664][ T8465] ? do_raw_spin_lock+0x1d8/0x260 [ 55.981302][ T8468] exit_files+0x7e/0xa0 [ 55.982305][ T8465] do_group_exit+0x125/0x310 [ 55.983180][ T8468] do_exit+0xba9/0x2a40 [ 55.984390][ T8465] get_signal+0x468/0x2490 [ 55.985114][ T8468] ? find_held_lock+0x2d/0x110 [ 55.986389][ T8465] ? futex_exit_release+0x220/0x220 [ 55.987213][ T8468] ? mm_update_next_owner+0x7a0/0x7a0 [ 55.988421][ T8465] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 55.989124][ T8468] ? get_signal+0x37b/0x2490 [ 55.989662][ T8465] ? debug_object_init_on_stack+0x20/0x20 [ 55.990163][ T8468] ? lock_downgrade+0x6e0/0x6e0 [ 55.990902][ T8465] ? clone_private_mount+0x140/0x140 [ 55.991645][ T8468] ? do_raw_spin_lock+0x121/0x260 [ 55.992426][ T8465] ? copy_siginfo_to_user32+0xa0/0xa0 [ 55.993058][ T8468] do_group_exit+0x125/0x310 [ 55.993757][ T8465] ? __do_sys_futex+0x2a2/0x470 [ 55.994392][ T8468] get_signal+0x468/0x2490 [ 55.995065][ T8465] ? __do_sys_futex+0x2ab/0x470 [ 55.995793][ T8468] ? futex_exit_release+0x220/0x220 [ 55.996692][ T8465] ? do_futex+0x1710/0x1710 [ 55.997515][ T8468] arch_do_signal_or_restart+0x2a8/0x1eb0 [ 55.998378][ T8465] exit_to_user_mode_prepare+0x148/0x250 [ 55.999079][ T8468] ? lock_downgrade+0x6e0/0x6e0 [ 55.999944][ T8465] syscall_exit_to_user_mode+0x19/0x50 [ 56.000683][ T8468] ? do_raw_spin_lock+0x121/0x260 [ 56.001481][ T8465] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.002245][ T8468] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 56.003065][ T8465] RIP: 0033:0x4576d9 [ 56.003764][ T8468] ? put_files_struct+0x33/0x350 [ 56.004497][ T8465] Code: Unable to access opcode bytes at RIP 0x4576af. [ 56.005169][ T8468] ? copy_siginfo_to_user32+0xa0/0xa0 [ 56.005907][ T8465] RSP: 002b:00007fab4413c1e8 EFLAGS: 00000246 [ 56.006817][ T8468] ? __do_sys_futex+0x2a2/0x470 [ 56.007499][ T8465] ORIG_RAX: 00000000000000ca [ 56.007505][ T8465] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00000000004576d9 [ 56.008368][ T8468] ? __do_sys_futex+0x2ab/0x470 [ 56.009225][ T8465] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004dd3a8 [ 56.009962][ T8468] ? do_futex+0x1710/0x1710 [ 56.010791][ T8465] RBP: 00007fab4413c200 R08: 0000000100000001 R09: 0000000100000001 [ 56.011557][ T8468] exit_to_user_mode_prepare+0x148/0x250 [ 56.012450][ T8465] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0c4cd91e [ 56.013399][ T8468] syscall_exit_to_user_mode+0x19/0x50 [ 56.013989][ T8465] R13: 00007ffe0c4cd91f R14: 00007fab4413c300 R15: 0000000000022000 [ 56.014748][ T8468] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 56.015786][ T8465] ================================================================== [ 56.016697][ T8468] RIP: 0033:0x4576d9 [ 56.023878][ T8465] Kernel panic - not syncing: panic_on_warn set ... [ 56.024082][ T8468] Code: Unable to access opcode bytes at RIP 0x4576af. [ 56.024088][ T8468] RSP: 002b:00007fab4411b1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 56.034295][ T8468] RAX: fffffffffffffe00 RBX: 0000000000000000 RCX: 00000000004576d9 [ 56.035533][ T8468] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000004dd3b8 [ 56.036797][ T8468] RBP: 00007fab4411b200 R08: 0000000000000000 R09: 0000000000000000 [ 56.038006][ T8468] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0c4cd91e [ 56.039221][ T8468] R13: 00007ffe0c4cd91f R14: 00007fab4411b300 R15: 0000000000022000 [ 56.040433][ T8468] Modules linked in: [ 56.041067][ T8465] Kernel Offset: disabled [ 56.041718][ T8465] Rebooting in 86400 seconds..