[ 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 Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. 2020/08/29 14:30:27 parsed 1 programs 2020/08/29 14:30:28 executed programs: 0 syzkaller login: [ 151.425836] audit: type=1400 audit(1598711428.149:8): avc: denied { execmem } for pid=6466 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 152.544062] IPVS: ftp: loaded support on port[0] = 21 [ 152.702336] chnl_net:caif_netlink_parms(): no params data found [ 152.794311] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.803017] bridge0: port 1(bridge_slave_0) entered disabled state [ 152.811988] device bridge_slave_0 entered promiscuous mode [ 152.824164] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.833176] bridge0: port 2(bridge_slave_1) entered disabled state [ 152.841693] device bridge_slave_1 entered promiscuous mode [ 152.863977] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 152.876360] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 152.901576] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 152.909468] team0: Port device team_slave_0 added [ 152.916299] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 152.928679] team0: Port device team_slave_1 added [ 152.947243] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 152.954967] 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. [ 152.986719] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 153.001662] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 153.008708] 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. [ 153.040919] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 153.054309] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 153.062728] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 153.085971] device hsr_slave_0 entered promiscuous mode [ 153.095224] device hsr_slave_1 entered promiscuous mode [ 153.102582] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 153.110925] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 153.196418] bridge0: port 2(bridge_slave_1) entered blocking state [ 153.205722] bridge0: port 2(bridge_slave_1) entered forwarding state [ 153.214071] bridge0: port 1(bridge_slave_0) entered blocking state [ 153.221756] bridge0: port 1(bridge_slave_0) entered forwarding state [ 153.264789] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 153.275594] 8021q: adding VLAN 0 to HW filter on device bond0 [ 153.286221] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 153.297749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 153.308181] bridge0: port 1(bridge_slave_0) entered disabled state [ 153.317662] bridge0: port 2(bridge_slave_1) entered disabled state [ 153.326235] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 153.341546] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 153.350636] 8021q: adding VLAN 0 to HW filter on device team0 [ 153.370938] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 153.381093] bridge0: port 1(bridge_slave_0) entered blocking state [ 153.388818] bridge0: port 1(bridge_slave_0) entered forwarding state [ 153.397031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 153.408126] bridge0: port 2(bridge_slave_1) entered blocking state [ 153.416763] bridge0: port 2(bridge_slave_1) entered forwarding state [ 153.433553] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 153.447313] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 153.466578] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 153.482471] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 153.496296] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 153.506249] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 153.516904] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 153.529504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 153.539162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 153.556375] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 153.566892] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 153.578598] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 153.593115] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 153.609794] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 153.625248] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 153.665757] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 153.677593] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 153.686607] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 153.700197] IPv6: ADDRCONF(NETDEV_UP): veth1_vlan: link is not ready [ 153.707614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 153.718763] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 153.731755] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 153.741489] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 153.755185] device veth0_vlan entered promiscuous mode [ 153.770995] device veth1_vlan entered promiscuous mode [ 153.782089] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 153.799039] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 153.818445] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 153.834947] IPv6: ADDRCONF(NETDEV_UP): veth1_macvtap: link is not ready [ 153.843298] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 153.854182] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 153.865601] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 153.878778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 153.896219] device veth0_macvtap entered promiscuous mode [ 153.905310] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 153.915870] device veth1_macvtap entered promiscuous mode [ 153.923584] IPv6: ADDRCONF(NETDEV_UP): macsec0: link is not ready [ 153.936826] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 153.954866] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 153.968795] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_0: link is not ready [ 153.982329] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 153.992047] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 154.004117] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 154.015747] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 154.027216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 154.042445] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 154.052239] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 154.063400] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 154.076072] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 154.580945] Bluetooth: hci0: command 0x0409 tx timeout 2020/08/29 14:30:33 executed programs: 49 [ 156.661665] Bluetooth: hci0: command 0x041b tx timeout [ 158.740176] Bluetooth: hci0: command 0x040f tx timeout [ 160.830303] Bluetooth: hci0: command 0x0419 tx timeout 2020/08/29 14:30:38 executed programs: 169 [ 161.601244] kasan: CONFIG_KASAN_INLINE enabled [ 161.606265] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 161.617029] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 161.623402] CPU: 0 PID: 8163 Comm: syz-executor.0 Not tainted 4.19.142-syzkaller #0 [ 161.631473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 161.640919] RIP: 0010:__sock_release+0xbb/0x2a0 [ 161.645591] Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 c9 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 28 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b2 01 00 00 48 89 df 41 ff 54 24 10 48 8d 7b 20 [ 161.665199] RSP: 0018:ffff888096327df8 EFLAGS: 00010202 [ 161.670566] RAX: dffffc0000000000 RBX: ffff88808059d4c0 RCX: 0000000000001879 [ 161.677836] RDX: 0000000000000002 RSI: 000000007fddc9ed RDI: 0000000000000010 [ 161.685092] RBP: ffff88808059d5c8 R08: ffffffff8b3f6c48 R09: 0000000000000000 [ 161.692461] R10: ffff8880959bcf08 R11: 0000000000000000 R12: 0000000000000000 [ 161.700447] R13: ffff88808059d4e8 R14: 0000000000000000 R15: ffff8880a9e70620 [ 161.707721] FS: 0000000002849940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 161.715956] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.722934] CR2: 00007fbe87b23db8 CR3: 000000009fb24000 CR4: 00000000001406f0 [ 161.730409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 161.740029] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 161.747450] Call Trace: [ 161.751188] ? __sock_release+0x2a0/0x2a0 [ 161.755435] sock_close+0x15/0x20 [ 161.758888] __fput+0x2ce/0x890 [ 161.762166] task_work_run+0x148/0x1c0 [ 161.766068] exit_to_usermode_loop+0x251/0x2a0 [ 161.770649] do_syscall_64+0x538/0x620 [ 161.774532] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 161.779717] RIP: 0033:0x416f01 [ 161.782893] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 161.802158] RSP: 002b:00007fffb471a2c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 161.809884] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000416f01 [ 161.817252] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 0000000000000003 [ 161.824516] RBP: 0000000000000000 R08: 0000000001190430 R09: 0000000000000000 [ 161.831847] R10: 00007fffb471a3a0 R11: 0000000000000293 R12: 0000000001190438 [ 161.839211] R13: 0000000000000001 R14: ffffffffffffffff R15: 000000000118cfec [ 161.846476] Modules linked in: [ 161.850958] ---[ end trace d59c450a3d93c3bb ]--- [ 161.856144] RIP: 0010:__sock_release+0xbb/0x2a0 [ 161.860897] Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 c9 01 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 63 28 49 8d 7c 24 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 b2 01 00 00 48 89 df 41 ff 54 24 10 48 8d 7b 20 [ 161.880342] RSP: 0018:ffff888096327df8 EFLAGS: 00010202 [ 161.885702] RAX: dffffc0000000000 RBX: ffff88808059d4c0 RCX: 0000000000001879 [ 161.893212] RDX: 0000000000000002 RSI: 000000007fddc9ed RDI: 0000000000000010 [ 161.900764] RBP: ffff88808059d5c8 R08: ffffffff8b3f6c48 R09: 0000000000000000 [ 161.908053] R10: ffff8880959bcf08 R11: 0000000000000000 R12: 0000000000000000 [ 161.916399] R13: ffff88808059d4e8 R14: 0000000000000000 R15: ffff8880a9e70620 [ 161.924029] FS: 0000000002849940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 161.933722] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 161.939616] CR2: 00007fbe87b23db8 CR3: 000000009fb24000 CR4: 00000000001406f0 [ 161.947329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 161.954683] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 161.962058] Kernel panic - not syncing: Fatal exception [ 161.968798] Kernel Offset: disabled [ 161.972438] Rebooting in 86400 seconds..