Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 28.429192] audit: type=1400 audit(1589037630.306:8): avc: denied { execmem } for pid=6309 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 28.693959] IPVS: ftp: loaded support on port[0] = 21 [ 29.820529] can: request_module (can-proto-0) failed. [ 29.828989] can: request_module (can-proto-0) failed. [ 29.837054] can: request_module (can-proto-0) failed. [ 29.862858] audit: type=1400 audit(1589037631.747:9): avc: denied { create } for pid=6288 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.15.200' (ECDSA) to the list of known hosts. 2020/05/09 15:20:39 parsed 1 programs 2020/05/09 15:20:39 executed programs: 0 [ 37.449697] audit: type=1400 audit(1589037639.334:10): avc: denied { execmem } for pid=6428 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 37.501752] IPVS: ftp: loaded support on port[0] = 21 [ 38.314089] IPVS: ftp: loaded support on port[0] = 21 [ 38.373323] chnl_net:caif_netlink_parms(): no params data found [ 38.421869] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.429783] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.430786] IPVS: ftp: loaded support on port[0] = 21 [ 38.438169] device bridge_slave_0 entered promiscuous mode [ 38.462179] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.468947] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.476681] device bridge_slave_1 entered promiscuous mode [ 38.510068] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.521256] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.551778] chnl_net:caif_netlink_parms(): no params data found [ 38.561592] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.569177] team0: Port device team_slave_0 added [ 38.576212] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.583204] team0: Port device team_slave_1 added [ 38.592028] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 38.605150] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 38.629458] IPVS: ftp: loaded support on port[0] = 21 [ 38.696591] device hsr_slave_0 entered promiscuous mode [ 38.734547] device hsr_slave_1 entered promiscuous mode [ 38.774933] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.781292] bridge0: port 1(bridge_slave_0) entered disabled state [ 38.789192] device bridge_slave_0 entered promiscuous mode [ 38.797415] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 38.809074] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 38.816230] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.822585] bridge0: port 2(bridge_slave_1) entered disabled state [ 38.830684] device bridge_slave_1 entered promiscuous mode [ 38.899990] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 38.912248] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 38.931247] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 38.939615] team0: Port device team_slave_0 added [ 38.948287] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 38.955986] team0: Port device team_slave_1 added [ 38.961546] bridge0: port 2(bridge_slave_1) entered blocking state [ 38.968027] bridge0: port 2(bridge_slave_1) entered forwarding state [ 38.974982] bridge0: port 1(bridge_slave_0) entered blocking state [ 38.981335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 38.993003] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.001236] IPVS: ftp: loaded support on port[0] = 21 [ 39.001634] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.017181] chnl_net:caif_netlink_parms(): no params data found [ 39.087629] device hsr_slave_0 entered promiscuous mode [ 39.124297] device hsr_slave_1 entered promiscuous mode [ 39.187705] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 39.194827] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 39.237804] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.244175] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.250737] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.257101] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.309117] IPVS: ftp: loaded support on port[0] = 21 [ 39.335184] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.342179] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.349650] device bridge_slave_0 entered promiscuous mode [ 39.377155] chnl_net:caif_netlink_parms(): no params data found [ 39.394271] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.400639] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.408273] device bridge_slave_1 entered promiscuous mode [ 39.419606] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 39.427945] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.455987] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.465556] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.472388] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 39.482046] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.488985] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.505484] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.548239] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.561290] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 39.580471] 8021q: adding VLAN 0 to HW filter on device bond0 [ 39.589887] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.597374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.605545] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 39.619611] chnl_net:caif_netlink_parms(): no params data found [ 39.641296] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.648172] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.656567] device bridge_slave_0 entered promiscuous mode [ 39.663517] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 39.669928] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.681056] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 39.697343] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.703853] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.710668] device bridge_slave_1 entered promiscuous mode [ 39.718072] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 39.727837] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 39.737028] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 39.746670] team0: Port device team_slave_0 added [ 39.758081] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 39.765474] team0: Port device team_slave_1 added [ 39.770809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 39.779553] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.787561] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.793953] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.800672] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 39.809088] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.816712] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.823035] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.831519] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 39.839009] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 39.856833] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 39.865849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.872667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.879524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 39.897739] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 39.904560] 8021q: adding VLAN 0 to HW filter on device team0 [ 39.918320] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 39.926329] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 39.985938] device hsr_slave_0 entered promiscuous mode [ 40.033663] device hsr_slave_1 entered promiscuous mode [ 40.074069] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.081318] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.090251] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 40.102836] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.122339] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.129505] team0: Port device team_slave_0 added [ 40.152638] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.160912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.168513] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 40.182358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.190261] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.196638] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.205687] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 40.213161] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.220359] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.229289] device bridge_slave_0 entered promiscuous mode [ 40.236180] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.243154] team0: Port device team_slave_1 added [ 40.249674] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.276296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.284045] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.291459] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.300634] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 40.309234] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.317913] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.324430] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.331235] device bridge_slave_1 entered promiscuous mode [ 40.337672] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.351522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 40.359406] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.367134] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.373516] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.380235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.388274] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.397426] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 40.416268] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 40.423136] chnl_net:caif_netlink_parms(): no params data found [ 40.435078] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 40.442572] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 40.456516] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 40.495777] device hsr_slave_0 entered promiscuous mode [ 40.533421] device hsr_slave_1 entered promiscuous mode [ 40.574980] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 40.582799] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 40.591099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.598792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.611849] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 40.620445] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 40.629862] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 40.638586] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 40.646311] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.655159] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.662406] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 40.670795] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 40.678661] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 40.688736] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 40.698483] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 40.722375] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.728789] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.737979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 40.745778] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 40.755552] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 40.762881] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 40.770665] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.796250] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 40.806223] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 40.816532] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 40.822513] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 40.830849] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 40.841733] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 40.849216] team0: Port device team_slave_0 added [ 40.855290] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 40.862283] team0: Port device team_slave_1 added [ 40.869327] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 40.879109] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.886778] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.894015] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.900806] device bridge_slave_0 entered promiscuous mode [ 40.910070] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.916990] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.924831] device bridge_slave_1 entered promiscuous mode [ 40.931211] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 40.939984] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 40.962063] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 40.980963] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.025207] device hsr_slave_0 entered promiscuous mode [ 41.063190] device hsr_slave_1 entered promiscuous mode [ 41.114272] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 41.121262] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.128092] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.136547] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.147828] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 41.155821] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 41.167138] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.173647] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 41.194202] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 41.206264] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.213359] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.222325] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.235468] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.242444] team0: Port device team_slave_0 added [ 41.259475] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 41.277128] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 41.287759] team0: Port device team_slave_1 added [ 41.295030] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 41.302380] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 41.346985] BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 [ 41.354983] IP: mem_serial_out+0x61/0x90 [ 41.359032] PGD 8e59d067 P4D 8e59d067 PUD 8f800067 PMD 0 [ 41.364633] Oops: 0002 [#1] PREEMPT SMP KASAN [ 41.369102] Modules linked in: [ 41.372477] CPU: 0 PID: 7321 Comm: syz-executor.5 Not tainted 4.14.179-syzkaller #0 [ 41.380243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.389575] task: ffff888091a42100 task.stack: ffff888084580000 [ 41.395608] RIP: 0010:mem_serial_out+0x61/0x90 [ 41.400173] RSP: 0018:ffff8880845878c0 EFLAGS: 00010206 [ 41.405551] RAX: dffffc0000000000 RBX: ffffffff8a460dd0 RCX: 1ffffffff148c1c2 [ 41.412848] RDX: 00000000000000bf RSI: 0000000000000003 RDI: ffffffff8a460e10 [ 41.420098] RBP: ffff8880845878d0 R08: ffff888091a429d0 R09: 0000000000000000 [ 41.427339] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8a460f10 [ 41.434583] R13: ffffffff8a460dd0 R14: ffffffff8a460e20 R15: ffffffff8a460e9c [ 41.441835] FS: 00007f7352c85700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 [ 41.450044] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.455898] CR2: 0000000000000003 CR3: 000000008e493000 CR4: 00000000001406f0 [ 41.463141] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.470383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.477628] Call Trace: [ 41.480191] serial8250_do_startup+0xd7f/0x1b10 [ 41.484832] serial8250_startup+0x39/0x50 [ 41.488965] uart_startup.part.20+0x2a0/0x710 [ 41.493446] uart_ioctl+0x127e/0x2b90 [ 41.497235] ? uart_port_activate+0x1d0/0x1d0 [ 41.501717] ? __might_fault+0xf1/0x1b0 [ 41.505678] tty_ioctl+0x434/0x1260 [ 41.509276] ? avc_ss_reset+0xd0/0xd0 [ 41.513051] ? tty_vhangup+0x20/0x20 [ 41.516764] ? __lock_acquire+0x6a4/0x4500 [ 41.521007] ? trace_hardirqs_on+0x10/0x10 [ 41.525315] ? trace_hardirqs_off+0x10/0x10 [ 41.529620] ? __might_sleep+0x93/0xb0 [ 41.533529] do_vfs_ioctl+0x180/0xfb0 [ 41.537309] ? __fget+0x1ad/0x2f0 [ 41.540782] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.545165] ? __fget+0x1ca/0x2f0 [ 41.548593] ? security_file_ioctl+0x6a/0xa0 [ 41.552989] ? SyS_clock_settime+0x1a0/0x1a0 [ 41.557371] ? security_file_ioctl+0x6a/0xa0 [ 41.561753] SyS_ioctl+0x74/0x80 [ 41.565094] ? do_vfs_ioctl+0xfb0/0xfb0 [ 41.569041] do_syscall_64+0x1c7/0x5b0 [ 41.572916] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.577741] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 41.582920] RIP: 0033:0x45a6f9 [ 41.586082] RSP: 002b:00007f7352c84c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.593762] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a6f9 [ 41.601002] RDX: 0000000020000080 RSI: 000000000000541f RDI: 0000000000000003 [ 41.608244] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 41.615487] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7352c856d4 [ 41.622736] R13: 00000000004c5c0b R14: 00000000004dbf70 R15: 00000000ffffffff [ 41.630163] Code: 0f b6 8b d1 00 00 00 48 8d 7b 40 48 b8 00 00 00 00 00 fc ff df d3 e6 48 89 f9 48 c1 e9 03 80 3c 01 00 75 23 48 63 f6 48 03 73 40 <88> 16 48 83 c4 08 5b 5d c3 89 55 f0 89 75 f4 e8 0b a7 37 fe 8b [ 41.649212] RIP: mem_serial_out+0x61/0x90 RSP: ffff8880845878c0 [ 41.655240] CR2: 0000000000000003 [ 41.660500] ---[ end trace f3e8fd1e1b2680bc ]--- [ 41.665329] Kernel panic - not syncing: Fatal exception [ 41.671940] Kernel Offset: disabled [ 41.675550] Rebooting in 86400 seconds..