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Date: Fri, 26 Mar 2021 10:21:34 +0100
From: Dmitry Vyukov <dvyukov@...gle.com>
To: Christian Brauner <christian.brauner@...ntu.com>
Cc: syzbot <syzbot+283ce5a46486d6acdbaf@...kaller.appspotmail.com>,
linux-fsdevel <linux-fsdevel@...r.kernel.org>,
LKML <linux-kernel@...r.kernel.org>,
syzkaller-bugs <syzkaller-bugs@...glegroups.com>,
Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [syzbot] KASAN: null-ptr-deref Read in filp_close (2)
On Fri, Mar 26, 2021 at 10:12 AM Christian Brauner
<christian.brauner@...ntu.com> wrote:
>
> On Fri, Mar 26, 2021 at 09:02:08AM +0100, Dmitry Vyukov wrote:
> > On Fri, Mar 26, 2021 at 8:55 AM syzbot
> > <syzbot+283ce5a46486d6acdbaf@...kaller.appspotmail.com> 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@...kaller.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 <liorribak@...il.com>
> 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@...kaller:~# ./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..
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