BUG: unable to handle kernel NULL pointer dereference in afs_unuse_cell bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): Released all slaves BUG: kernel NULL pointer dereference, address: 000000000000009c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 120804067 P4D 120804067 PUD 12082f067 PMD 0 Oops: 0000 [#1] SMP CPU: 1 PID: 97 Comm: kworker/u4:3 Not tainted 5.10.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net RIP: 0010:afs_unuse_cell+0x67/0x780 fs/afs/cell.c:592 Code: 4d 8b 6f 08 45 8b a7 88 0c 00 00 41 8b 87 90 0c 00 00 89 45 d4 e8 69 09 96 fd 49 8d 9e 9c 00 00 00 4d 85 ed 0f 85 30 04 00 00 <41> 8b 86 9c 00 00 00 89 45 8c 48 89 df e8 47 ee 15 fe 8b 18 8b 0a RSP: 0018:ffff888102a6fa38 EFLAGS: 00010246 RAX: ffffffff8428ee07 RBX: 000000000000009c RCX: ffff888102a70000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881283d3800 RBP: ffff888102a6fac0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888102a70a10 FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000009c CR3: 000000012082d000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: afs_cell_purge+0xfb/0x5e0 fs/afs/cell.c:951 afs_net_exit+0xc6/0x180 fs/afs/main.c:156 ops_exit_list net/core/net_namespace.c:187 [inline] cleanup_net+0xd73/0x1af0 net/core/net_namespace.c:604 process_one_work+0x121c/0x1fc0 kernel/workqueue.c:2272 worker_thread+0x10cc/0x2740 kernel/workqueue.c:2418 kthread+0x51c/0x560 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Modules linked in: CR2: 000000000000009c ---[ end trace 3ad7b40e9ec4c060 ]--- RIP: 0010:afs_unuse_cell+0x67/0x780 fs/afs/cell.c:592 Code: 4d 8b 6f 08 45 8b a7 88 0c 00 00 41 8b 87 90 0c 00 00 89 45 d4 e8 69 09 96 fd 49 8d 9e 9c 00 00 00 4d 85 ed 0f 85 30 04 00 00 <41> 8b 86 9c 00 00 00 89 45 8c 48 89 df e8 47 ee 15 fe 8b 18 8b 0a RSP: 0018:ffff888102a6fa38 EFLAGS: 00010246 RAX: ffffffff8428ee07 RBX: 000000000000009c RCX: ffff888102a70000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881283d3800 RBP: ffff888102a6fac0 R08: ffffea000000000f R09: ffff88813fffa000 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888102a70a10 FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000009c CR3: 000000012082d000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ OK ] Started Daily apt upgrade and clean activities. [ OK ] Reached target Timers. Starting System Logging Service... Starting OpenBSD Secure Shell server... [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started System Logging Service. [*** ] (2 of 2) A start job is running for…Shell server (1min 30s / 2min 49s)[ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 2020/11/13 02:38:23 fuzzer started 2020/11/13 02:38:24 connecting to host at 10.128.0.26:38017 2020/11/13 02:38:24 checking machine... 2020/11/13 02:38:24 checking revisions... 2020/11/13 02:38:25 testing simple program... executing program executing program syzkaller login: [ 175.600630][ T27] audit: type=1400 audit(1605235110.282:8): avc: denied { execmem } for pid=8534 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 176.938224][ T27] audit: type=1400 audit(1605235111.622:9): avc: denied { sys_admin } for pid=8534 comm="syz-executor.0" capability=21 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 [ 177.021278][ T8545] IPVS: ftp: loaded support on port[0] = 21 [ 177.188559][ T27] audit: type=1400 audit(1605235111.872:10): avc: denied { net_admin } for pid=8545 comm="syz-executor.0" capability=12 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 [ 177.430985][ T8545] chnl_net:caif_netlink_parms(): no params data found [ 177.573902][ T8545] bridge0: port 1(bridge_slave_0) entered blocking state [ 177.581177][ T8545] bridge0: port 1(bridge_slave_0) entered disabled state [ 177.590774][ T8545] device bridge_slave_0 entered promiscuous mode [ 177.604845][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 177.612175][ T8545] bridge0: port 2(bridge_slave_1) entered disabled state [ 177.620768][ T8545] device bridge_slave_1 entered promiscuous mode [ 177.654199][ T8545] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 177.667204][ T8545] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 177.701595][ T8545] team0: Port device team_slave_0 added [ 177.711124][ T8545] team0: Port device team_slave_1 added [ 177.741788][ T8545] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 177.748994][ T8545] 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 this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 177.775289][ T8545] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 177.788656][ T8545] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 177.795858][ T8545] 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 this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 177.822053][ T8545] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 177.865823][ T8545] device hsr_slave_0 entered promiscuous mode [ 177.873587][ T8545] device hsr_slave_1 entered promiscuous mode [ 178.061549][ T8545] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 178.084073][ T8545] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 178.103637][ T8545] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 178.120083][ T8545] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 178.199429][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 178.206649][ T8545] bridge0: port 2(bridge_slave_1) entered forwarding state [ 178.214703][ T8545] bridge0: port 1(bridge_slave_0) entered blocking state [ 178.221873][ T8545] bridge0: port 1(bridge_slave_0) entered forwarding state [ 178.301559][ T8545] 8021q: adding VLAN 0 to HW filter on device bond0 [ 178.324067][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 178.336389][ T3240] bridge0: port 1(bridge_slave_0) entered disabled state [ 178.345226][ T3240] bridge0: port 2(bridge_slave_1) entered disabled state [ 178.359092][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 178.378405][ T8545] 8021q: adding VLAN 0 to HW filter on device team0 [ 178.391808][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 178.401830][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 178.410977][ T4882] bridge0: port 1(bridge_slave_0) entered blocking state [ 178.418364][ T4882] bridge0: port 1(bridge_slave_0) entered forwarding state [ 178.433712][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 178.443699][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 178.453013][ T3240] bridge0: port 2(bridge_slave_1) entered blocking state [ 178.460197][ T3240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 178.484313][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 178.493991][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 178.513800][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 178.523647][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 178.553204][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 178.561830][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 178.572393][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 178.581689][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 178.591250][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 178.607675][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 178.616533][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 178.632760][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 178.666018][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 178.673716][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 178.695979][ T8545] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 178.732773][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 178.743605][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 178.778167][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 178.786930][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 178.804130][ T8545] device veth0_vlan entered promiscuous mode [ 178.814939][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 178.823940][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 178.846084][ T8545] device veth1_vlan entered promiscuous mode [ 178.886891][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 178.895639][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 178.905189][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 178.914640][ T3240] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 178.922164][ T4882] Bluetooth: hci0: command 0x0409 tx timeout [ 178.935149][ T8545] device veth0_macvtap entered promiscuous mode [ 178.951444][ T8545] device veth1_macvtap entered promiscuous mode [ 178.983654][ T8545] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 178.991351][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 179.001152][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 179.010047][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 179.020070][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 179.038450][ T8545] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 179.052613][ T8545] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 179.061475][ T8545] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 179.071106][ T8545] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 179.080047][ T8545] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 179.095120][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 179.105617][ T4882] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 179.357058][ T97] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 179.365221][ T97] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 179.373980][ T54] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 179.464364][ T97] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 179.472575][ T97] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 179.481149][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 179.578545][ T27] audit: type=1400 audit(1605235114.263:11): avc: denied { sys_chroot } for pid=8545 comm="syz-executor.0" capability=18 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=cap_userns permissive=1 [ 179.659664][ T27] audit: type=1400 audit(1605235114.343:12): avc: denied { execmem } for pid=8775 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 2020/11/13 02:38:34 building call list... [ 180.621249][ T97] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 180.839137][ T97] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 181.046520][ T97] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 181.284832][ T97] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 executing program [ 184.133942][ T97] device hsr_slave_0 left promiscuous mode [ 184.150863][ T97] device hsr_slave_1 left promiscuous mode [ 184.163104][ T97] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 184.170594][ T97] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 184.181576][ T97] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 184.189507][ T97] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 184.201004][ T97] device bridge_slave_1 left promiscuous mode [ 184.208091][ T97] bridge0: port 2(bridge_slave_1) entered disabled state [ 184.223125][ T97] device bridge_slave_0 left promiscuous mode [ 184.229898][ T97] bridge0: port 1(bridge_slave_0) entered disabled state [ 184.256078][ T97] device veth1_macvtap left promiscuous mode [ 184.262312][ T97] device veth0_macvtap left promiscuous mode [ 184.268451][ T97] device veth1_vlan left promiscuous mode [ 184.274816][ T97] device veth0_vlan left promiscuous mode executing program executing program [ 188.022780][ T97] team0 (unregistering): Port device team_slave_1 removed [ 188.042831][ T97] team0 (unregistering): Port device team_slave_0 removed [ 188.065730][ T97] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 188.090262][ T97] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 188.192920][ T97] bond0 (unregistering): Released all slaves [ 188.683584][ T97] BUG: kernel NULL pointer dereference, address: 000000000000009c [ 188.691705][ T97] #PF: supervisor read access in kernel mode [ 188.697869][ T97] #PF: error_code(0x0000) - not-present page [ 188.703920][ T97] PGD 120804067 P4D 120804067 PUD 12082f067 PMD 0 [ 188.710810][ T97] Oops: 0000 [#1] SMP [ 188.714898][ T97] CPU: 1 PID: 97 Comm: kworker/u4:3 Not tainted 5.10.0-rc1-syzkaller #0 [ 188.723304][ T97] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 188.733502][ T97] Workqueue: netns cleanup_net [ 188.738417][ T97] RIP: 0010:afs_unuse_cell+0x67/0x780 [ 188.743918][ T97] Code: 4d 8b 6f 08 45 8b a7 88 0c 00 00 41 8b 87 90 0c 00 00 89 45 d4 e8 69 09 96 fd 49 8d 9e 9c 00 00 00 4d 85 ed 0f 85 30 04 00 00 <41> 8b 86 9c 00 00 00 89 45 8c 48 89 df e8 47 ee 15 fe 8b 18 8b 0a [ 188.763633][ T97] RSP: 0018:ffff888102a6fa38 EFLAGS: 00010246 [ 188.769826][ T97] RAX: ffffffff8428ee07 RBX: 000000000000009c RCX: ffff888102a70000 [ 188.779109][ T97] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881283d3800 [ 188.787348][ T97] RBP: ffff888102a6fac0 R08: ffffea000000000f R09: ffff88813fffa000 [ 188.795416][ T97] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 [ 188.803484][ T97] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888102a70a10 [ 188.811576][ T97] FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 [ 188.820604][ T97] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 188.827369][ T97] CR2: 000000000000009c CR3: 000000012082d000 CR4: 00000000001506e0 [ 188.835520][ T97] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 188.844757][ T97] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 188.852812][ T97] Call Trace: [ 188.856376][ T97] ? up_write+0x62/0x220 [ 188.860737][ T97] afs_cell_purge+0xfb/0x5e0 [ 188.865437][ T97] ? del_timer_sync+0x131/0x1f0 [ 188.870422][ T97] ? afs_fs_probe_cleanup+0x111/0x140 [ 188.875918][ T97] afs_net_exit+0xc6/0x180 [ 188.880555][ T97] ? afs_net_init+0xe90/0xe90 [ 188.885354][ T97] cleanup_net+0xd73/0x1af0 [ 188.889989][ T97] ? ops_init+0x7d0/0x7d0 [ 188.894439][ T97] process_one_work+0x121c/0x1fc0 [ 188.899624][ T97] worker_thread+0x10cc/0x2740 [ 188.904528][ T97] ? kmsan_get_metadata+0x116/0x180 [ 188.909854][ T97] ? kmsan_get_metadata+0x116/0x180 [ 188.915184][ T97] kthread+0x51c/0x560 [ 188.919373][ T97] ? process_one_work+0x1fc0/0x1fc0 [ 188.924686][ T97] ? kthread_blkcg+0x110/0x110 [ 188.929571][ T97] ret_from_fork+0x1f/0x30 [ 188.934064][ T97] Modules linked in: [ 188.938174][ T97] CR2: 000000000000009c [ 188.942431][ T97] ---[ end trace 3ad7b40e9ec4c060 ]--- [ 188.948180][ T97] RIP: 0010:afs_unuse_cell+0x67/0x780 [ 188.953674][ T97] Code: 4d 8b 6f 08 45 8b a7 88 0c 00 00 41 8b 87 90 0c 00 00 89 45 d4 e8 69 09 96 fd 49 8d 9e 9c 00 00 00 4d 85 ed 0f 85 30 04 00 00 <41> 8b 86 9c 00 00 00 89 45 8c 48 89 df e8 47 ee 15 fe 8b 18 8b 0a [ 188.973399][ T97] RSP: 0018:ffff888102a6fa38 EFLAGS: 00010246 [ 188.979794][ T97] RAX: ffffffff8428ee07 RBX: 000000000000009c RCX: ffff888102a70000 [ 188.987919][ T97] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881283d3800 [ 188.995999][ T97] RBP: ffff888102a6fac0 R08: ffffea000000000f R09: ffff88813fffa000 [ 189.004060][ T97] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 [ 189.012130][ T97] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888102a70a10 [ 189.020214][ T97] FS: 0000000000000000(0000) GS:ffff88813fd00000(0000) knlGS:0000000000000000 [ 189.029380][ T97] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 189.036060][ T97] CR2: 000000000000009c CR3: 000000012082d000 CR4: 00000000001506e0 [ 189.044345][ T97] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 189.052417][ T97] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 189.060741][ T97] Kernel panic - not syncing: Fatal exception [ 189.068701][ T97] Kernel Offset: disabled [ 189.073215][ T97] Rebooting in 86400 seconds..