[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. 2021/06/12 18:47:45 parsed 1 programs 2021/06/12 18:47:46 executed programs: 0 syzkaller login: [ 59.718326][ T8424] chnl_net:caif_netlink_parms(): no params data found [ 59.762581][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.773662][ T8424] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.781884][ T8424] device bridge_slave_0 entered promiscuous mode [ 59.792355][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.800478][ T8424] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.808998][ T8424] device bridge_slave_1 entered promiscuous mode [ 59.827768][ T8424] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.838915][ T8424] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.858561][ T8424] team0: Port device team_slave_0 added [ 59.867221][ T8424] team0: Port device team_slave_1 added [ 59.882285][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 59.890188][ T8424] 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. [ 59.917664][ T8424] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 59.931966][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 59.939039][ T8424] 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. [ 59.967092][ T8424] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 59.991287][ T8424] device hsr_slave_0 entered promiscuous mode [ 59.998149][ T8424] device hsr_slave_1 entered promiscuous mode [ 60.078219][ T8424] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.088443][ T8424] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.097569][ T8424] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.107044][ T8424] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.128276][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.135891][ T8424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.143381][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.150485][ T8424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.186832][ T8424] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.202156][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.214054][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.222824][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.230759][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.244508][ T8424] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.255913][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.265166][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.272271][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.297213][ T4813] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.306172][ T4813] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.313184][ T4813] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.322105][ T4813] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.331123][ T4813] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.340264][ T4813] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.352275][ T8424] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.364725][ T8424] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.372813][ T4839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.380681][ T4839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.400997][ T8424] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.409210][ T4813] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.416818][ T4813] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.434809][ T4813] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 60.451485][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 60.461234][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 60.469663][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 60.480471][ T8424] device veth0_vlan entered promiscuous mode [ 60.491230][ T8424] device veth1_vlan entered promiscuous mode [ 60.509664][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 60.518327][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 60.527413][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 60.538161][ T8424] device veth0_macvtap entered promiscuous mode [ 60.548597][ T8424] device veth1_macvtap entered promiscuous mode [ 60.563917][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 60.571258][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 60.582516][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 60.596291][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.604530][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 60.616308][ T8424] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.626406][ T8424] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.635197][ T8424] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.644192][ T8424] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 60.720506][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.736965][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.749114][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 60.766184][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 60.776041][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 60.786124][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 61.604441][ T8644] Bluetooth: hci0: command 0x0409 tx timeout [ 62.405189][ T8794] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 62.413004][ T8794] #PF: supervisor read access in kernel mode [ 62.419164][ T8794] #PF: error_code(0x0000) - not-present page [ 62.425215][ T8794] PGD 1d023067 P4D 1d023067 PUD 329d7067 PMD 0 [ 62.431723][ T8794] Oops: 0000 [#1] PREEMPT SMP KASAN [ 62.436914][ T8794] CPU: 1 PID: 8794 Comm: syz-executor.0 Not tainted 5.13.0-rc5-syzkaller #0 [ 62.446003][ T8794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.456637][ T8794] RIP: 0010:bpf_prog_e48ebe87b99394c4+0x11/0x730 [ 62.463186][ T8794] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 66 90 55 48 89 e5 31 c0 48 8b 47 28 <48> 8b 40 00 8b 80 d0 00 00 00 c9 c3 cc cc cc cc cc cc cc cc cc cc [ 62.483128][ T8794] RSP: 0018:ffffc900016dfae8 EFLAGS: 00010246 [ 62.489184][ T8794] RAX: 0000000000000000 RBX: ffffc90000eb8000 RCX: 0000000000000000 [ 62.497220][ T8794] RDX: ffff88802beb8000 RSI: ffffc90000eb8048 RDI: ffffc900016dfca8 [ 62.505181][ T8794] RBP: ffffc900016dfae8 R08: 0000000000000000 R09: 0000000000000001 [ 62.513479][ T8794] R10: ffffffff87470adc R11: 0000000000000000 R12: dffffc0000000000 [ 62.521600][ T8794] R13: 0000000000000000 R14: 0000000080000000 R15: 0000000000000001 [ 62.529545][ T8794] FS: 00007f768d1af700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 62.538454][ T8794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.545012][ T8794] CR2: 0000000000000000 CR3: 000000001742e000 CR4: 0000000000350ee0 [ 62.553220][ T8794] Call Trace: [ 62.556480][ T8794] bpf_test_run+0x1f7/0xaa0 [ 62.560992][ T8794] ? bpf_test_timer_continue+0x420/0x420 [ 62.566598][ T8794] ? sk_lookup_convert_ctx_access+0x1130/0x1130 [ 62.572833][ T8794] ? bpf_dispatcher_change_prog+0x2e6/0x8f0 [ 62.578814][ T8794] bpf_prog_test_run_xdp+0x2c2/0x4d0 [ 62.584080][ T8794] ? bpf_prog_test_run_skb+0x1c70/0x1c70 [ 62.589693][ T8794] ? __fget_files+0x288/0x3d0 [ 62.594347][ T8794] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 62.600829][ T8794] ? fput+0x2a/0x50 [ 62.604614][ T8794] ? bpf_prog_test_run_skb+0x1c70/0x1c70 [ 62.610238][ T8794] __do_sys_bpf+0x218b/0x4f40 [ 62.614909][ T8794] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 62.621218][ T8794] ? bpf_link_get_from_fd+0x110/0x110 [ 62.626566][ T8794] ? find_held_lock+0x2d/0x110 [ 62.631308][ T8794] ? __context_tracking_exit+0xb8/0xe0 [ 62.636740][ T8794] ? lock_downgrade+0x6e0/0x6e0 [ 62.641569][ T8794] ? syscall_enter_from_user_mode+0x27/0x70 [ 62.647700][ T8794] do_syscall_64+0x3a/0xb0 [ 62.652098][ T8794] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 62.657967][ T8794] RIP: 0033:0x4665d9 [ 62.661837][ T8794] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 62.681416][ T8794] RSP: 002b:00007f768d1af188 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 62.689801][ T8794] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 62.697845][ T8794] RDX: 0000000000000028 RSI: 00000000200000c0 RDI: 000000000000000a [ 62.705791][ T8794] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 62.713735][ T8794] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 62.721690][ T8794] R13: 00007fff85f68fff R14: 00007f768d1af300 R15: 0000000000022000 [ 62.729638][ T8794] Modules linked in: [ 62.733515][ T8794] CR2: 0000000000000000 [ 62.737642][ T8794] ---[ end trace 227f0a9c2671f32c ]--- [ 62.743077][ T8794] RIP: 0010:bpf_prog_e48ebe87b99394c4+0x11/0x730 [ 62.749554][ T8794] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 0f 1f 44 00 00 66 90 55 48 89 e5 31 c0 48 8b 47 28 <48> 8b 40 00 8b 80 d0 00 00 00 c9 c3 cc cc cc cc cc cc cc cc cc cc [ 62.769397][ T8794] RSP: 0018:ffffc900016dfae8 EFLAGS: 00010246 [ 62.775610][ T8794] RAX: 0000000000000000 RBX: ffffc90000eb8000 RCX: 0000000000000000 [ 62.783556][ T8794] RDX: ffff88802beb8000 RSI: ffffc90000eb8048 RDI: ffffc900016dfca8 [ 62.791676][ T8794] RBP: ffffc900016dfae8 R08: 0000000000000000 R09: 0000000000000001 [ 62.799634][ T8794] R10: ffffffff87470adc R11: 0000000000000000 R12: dffffc0000000000 [ 62.807843][ T8794] R13: 0000000000000000 R14: 0000000080000000 R15: 0000000000000001 [ 62.815879][ T8794] FS: 00007f768d1af700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 62.824974][ T8794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.832181][ T8794] CR2: 0000000000000000 CR3: 000000001742e000 CR4: 0000000000350ee0 [ 62.841477][ T8794] Kernel panic - not syncing: Fatal exception [ 62.853810][ T8794] Kernel Offset: disabled [ 62.858224][ T8794] Rebooting in 86400 seconds..