[ 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 '10.128.0.245' (ECDSA) to the list of known hosts. 2020/09/26 16:15:59 parsed 1 programs 2020/09/26 16:16:00 executed programs: 0 syzkaller login: [ 234.281974] audit: type=1400 audit(1601136960.248:8): avc: denied { execmem } for pid=6495 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 235.362796] IPVS: ftp: loaded support on port[0] = 21 [ 235.503214] chnl_net:caif_netlink_parms(): no params data found [ 235.598316] bridge0: port 1(bridge_slave_0) entered blocking state [ 235.604885] bridge0: port 1(bridge_slave_0) entered disabled state [ 235.612865] device bridge_slave_0 entered promiscuous mode [ 235.620832] bridge0: port 2(bridge_slave_1) entered blocking state [ 235.627235] bridge0: port 2(bridge_slave_1) entered disabled state [ 235.635330] device bridge_slave_1 entered promiscuous mode [ 235.654198] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 235.663178] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 235.682795] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 235.690296] team0: Port device team_slave_0 added [ 235.695833] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 235.704140] team0: Port device team_slave_1 added [ 235.721950] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 235.728546] 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. [ 235.753819] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 235.765418] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 235.771735] 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. [ 235.797069] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 235.808376] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 235.815795] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 235.836992] device hsr_slave_0 entered promiscuous mode [ 235.843231] device hsr_slave_1 entered promiscuous mode [ 235.849849] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 235.856926] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 235.930927] bridge0: port 2(bridge_slave_1) entered blocking state [ 235.937443] bridge0: port 2(bridge_slave_1) entered forwarding state [ 235.944253] bridge0: port 1(bridge_slave_0) entered blocking state [ 235.950685] bridge0: port 1(bridge_slave_0) entered forwarding state [ 235.985985] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 235.993224] 8021q: adding VLAN 0 to HW filter on device bond0 [ 236.002364] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 236.013500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 236.022901] bridge0: port 1(bridge_slave_0) entered disabled state [ 236.030540] bridge0: port 2(bridge_slave_1) entered disabled state [ 236.038709] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 236.049961] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 236.056034] 8021q: adding VLAN 0 to HW filter on device team0 [ 236.067246] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 236.075755] bridge0: port 1(bridge_slave_0) entered blocking state [ 236.082202] bridge0: port 1(bridge_slave_0) entered forwarding state [ 236.092488] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 236.100826] bridge0: port 2(bridge_slave_1) entered blocking state [ 236.107172] bridge0: port 2(bridge_slave_1) entered forwarding state [ 236.124481] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 236.132957] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 236.148056] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 236.155781] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 236.164489] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 236.174847] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 236.181028] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 236.195075] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 236.202994] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 236.209996] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 236.220880] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 236.234682] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 236.245501] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 236.283433] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 236.291709] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 236.298933] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 236.309435] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 236.317050] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 236.324887] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 236.334116] device veth0_vlan entered promiscuous mode [ 236.344289] device veth1_vlan entered promiscuous mode [ 236.350612] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 236.360435] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 236.373282] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 236.384790] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 236.392923] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 236.401277] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 236.411373] device veth0_macvtap entered promiscuous mode [ 236.417992] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 236.426141] device veth1_macvtap entered promiscuous mode [ 236.435388] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 236.445216] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 236.456043] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 236.463421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 236.473083] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 236.484737] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 236.491793] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 236.499491] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 236.508707] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 236.633462] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 236.641100] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 236.660716] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 236.671696] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 236.682051] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 236.689276] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 236.697156] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 236.705012] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 237.398620] Bluetooth: hci0: command 0x0409 tx timeout [ 239.221859] kasan: CONFIG_KASAN_INLINE enabled [ 239.221867] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 239.221884] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 239.221898] CPU: 0 PID: 6496 Comm: syz-executor.0 Not tainted 4.19.147-syzkaller #0 [ 239.221911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.226539] kasan: CONFIG_KASAN_INLINE enabled [ 239.233929] RIP: 0010:do_syscall_64+0x218/0x670 [ 239.240083] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 239.247887] Code: ce 1c 71 00 fa 66 0f 1f 44 00 00 65 48 8b 1c 25 40 ee 01 00 e8 29 9b 76 00 48 89 da 48 b8 00 00 00 00 00 00 00 00 48 c1 ea 03 <80> 3c 02 00 0f 85 d3 03 00 00 4c 8b 23 31 ff 49 c1 ec 1f 41 83 e4 [ 239.292803] RSP: 0018:ffff8880890fff28 EFLAGS: 00010802 [ 239.298155] RAX: 0000000000000000 RBX: ffff8880a4296200 RCX: 0000000000000000 [ 239.305400] RDX: 1ffff11014852c40 RSI: 0000000000000000 RDI: ffff8880a4296a4c [ 239.312646] RBP: ffff8880890fff58 R08: 0000000000000000 R09: 0000000000000000 [ 239.319890] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 239.327136] R13: ffffffff896389b8 R14: 0000000000000000 R15: 0000000000000000 [ 239.334391] FS: 00000000029f5940(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 [ 239.342591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.348461] CR2: 00000000004ebb70 CR3: 000000008bec8000 CR4: 00000000001406f0 [ 239.355720] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 239.363236] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 239.370516] Call Trace: [ 239.373160] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.378344] RIP: 0033:0x45c641 [ 239.381526] Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 64 cd fb ff c3 48 83 ec 08 e8 ea 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 47 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 239.400495] RSP: 002b:00007ffda5a15380 EFLAGS: 00000293 ORIG_RAX: 0000000000000023 [ 239.408194] RAX: 0000000000000000 RBX: 000000000003a654 RCX: 000000000045c641 [ 239.415451] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffda5a15390 [ 239.422706] RBP: 000000000000002b R08: 0000000000000000 R09: 00000000029f5940 [ 239.429958] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000005 [ 239.437212] R13: 00007ffda5a153e0 R14: 000000000003a620 R15: 00007ffda5a153f0 [ 239.444463] Modules linked in: [ 239.447650] ---[ end trace 584c556a8429ef7d ]--- [ 239.447686] general protection fault: 0000 [#2] PREEMPT SMP KASAN [ 239.452426] RIP: 0010:do_syscall_64+0x218/0x670 [ 239.458651] CPU: 1 PID: 6807 Comm: syz-executor.0 Tainted: G D 4.19.147-syzkaller #0 [ 239.463301] Code: ce 1c 71 00 fa 66 0f 1f 44 00 00 65 48 8b 1c 25 40 ee 01 00 e8 29 9b 76 00 48 89 da 48 b8 00 00 00 00 00 00 00 00 48 c1 ea 03 <80> 3c 02 00 0f 85 d3 03 00 00 4c 8b 23 31 ff 49 c1 ec 1f 41 83 e4 [ 239.472459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 239.491349] RSP: 0018:ffff8880890fff28 EFLAGS: 00010802 [ 239.501148] RIP: 0010:do_syscall_64+0x218/0x670 [ 239.506476] RAX: 0000000000000000 RBX: ffff8880a4296200 RCX: 0000000000000000 [ 239.511136] Code: ce 1c 71 00 fa 66 0f 1f 44 00 00 65 48 8b 1c 25 40 ee 01 00 e8 29 9b 76 00 48 89 da 48 b8 00 00 00 00 00 00 00 00 48 c1 ea 03 <80> 3c 02 00 0f 85 d3 03 00 00 4c 8b 23 31 ff 49 c1 ec 1f 41 83 e4 [ 239.518389] RDX: 1ffff11014852c40 RSI: 0000000000000000 RDI: ffff8880a4296a4c [ 239.537281] RSP: 0018:ffff88809e9aff28 EFLAGS: 00010802 [ 239.544537] RBP: ffff8880890fff58 R08: 0000000000000000 R09: 0000000000000000 [ 239.550575] RAX: 0000000000000000 RBX: ffff88809dcf8700 RCX: 1ffffffff142e4f8 [ 239.557827] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 239.566041] RDX: 1ffff11013b9f0e0 RSI: ffffffff817741b4 RDI: 0000000000000000 [ 239.573292] R13: ffffffff896389b8 R14: 0000000000000000 R15: 0000000000000000 [ 239.580543] RBP: ffff88809e9aff58 R08: 0000000000000000 R09: 0000000000000000 [ 239.587798] FS: 00000000029f5940(0000) GS:ffff8880ae200000(0000) knlGS:0000000000000000 [ 239.595048] R10: 0000000000000005 R11: 0000000000000001 R12: 0000000000000000 [ 239.603370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.610617] R13: ffffffff896389b8 R14: 0000000000000000 R15: 0000000000000000 [ 239.610631] FS: 00000000029f5940(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000 [ 239.616493] CR2: 00000000004ebb70 CR3: 000000008bec8000 CR4: 00000000001406f0 [ 239.623761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.631973] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 239.639244] CR2: 00007f29896fddb8 CR3: 000000008f7ff000 CR4: 00000000001406e0 [ 239.645111] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 239.652365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 239.659627] Kernel panic - not syncing: Fatal exception [ 239.666900] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 239.686751] Call Trace: [ 239.689361] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 239.694548] RIP: 0033:0x45e179 [ 239.697749] Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 239.716767] RSP: 002b:00007ffda5a151e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 239.724483] RAX: ffffffffffffff92 RBX: 000000000000002d RCX: 000000000045e179 [ 239.731750] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000118cff4 [ 239.739034] RBP: 000000000118cfe8 R08: 0000000000000000 R09: 0000000000000000 [ 239.747021] R10: 00007ffda5a152d0 R11: 0000000000000246 R12: 00000000000003e8 [ 239.754283] R13: 000000000003a680 R14: 000000000003a653 R15: 000000000118cff4 [ 239.761551] Modules linked in: [ 239.764744] ---[ end trace 584c556a8429ef7e ]--- [ 239.769505] RIP: 0010:do_syscall_64+0x218/0x670 [ 239.774173] Code: ce 1c 71 00 fa 66 0f 1f 44 00 00 65 48 8b 1c 25 40 ee 01 00 e8 29 9b 76 00 48 89 da 48 b8 00 00 00 00 00 00 00 00 48 c1 ea 03 <80> 3c 02 00 0f 85 d3 03 00 00 4c 8b 23 31 ff 49 c1 ec 1f 41 83 e4 [ 239.793164] RSP: 0018:ffff8880890fff28 EFLAGS: 00010802 [ 239.798525] RAX: 0000000000000000 RBX: ffff8880a4296200 RCX: 0000000000000000 [ 239.805788] RDX: 1ffff11014852c40 RSI: 0000000000000000 RDI: ffff8880a4296a4c [ 239.813072] RBP: ffff8880890fff58 R08: 0000000000000000 R09: 0000000000000000 [ 239.820354] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 [ 239.827634] R13: ffffffff896389b8 R14: 0000000000000000 R15: 0000000000000000 [ 239.834904] FS: 00000000029f5940(0000) GS:ffff8880ae300000(0000) knlGS:0000000000000000 [ 239.843129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 239.849016] CR2: 00007f29896fddb8 CR3: 000000008f7ff000 CR4: 00000000001406e0 [ 239.856297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 239.863565] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 240.784518] Shutting down cpus with NMI [ 240.789555] Kernel Offset: disabled [ 240.793199] Rebooting in 86400 seconds..