[ 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. [ 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 Warning: Permanently added '10.128.0.123' (ECDSA) to the list of known hosts. syzkaller login: [ 68.189318][ T28] audit: type=1400 audit(1598216032.231:8): avc: denied { execmem } for pid=6866 comm="syz-executor952" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 68.207092][ T6867] IPVS: ftp: loaded support on port[0] = 21 [ 68.297758][ T6867] chnl_net:caif_netlink_parms(): no params data found [ 68.349122][ T6867] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.357576][ T6867] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.366645][ T6867] device bridge_slave_0 entered promiscuous mode [ 68.377741][ T6867] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.384955][ T6867] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.393682][ T6867] device bridge_slave_1 entered promiscuous mode [ 68.413887][ T6867] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.424995][ T6867] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 68.447064][ T6867] team0: Port device team_slave_0 added [ 68.454309][ T6867] team0: Port device team_slave_1 added [ 68.471618][ T6867] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 68.478611][ T6867] 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. [ 68.505343][ T6867] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 68.520109][ T6867] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 68.527146][ T6867] 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. [ 68.553352][ T6867] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 68.580005][ T6867] device hsr_slave_0 entered promiscuous mode [ 68.586650][ T6867] device hsr_slave_1 entered promiscuous mode [ 68.683797][ T6867] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 68.694086][ T6867] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 68.704314][ T6867] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 68.714102][ T6867] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 68.739523][ T6867] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.746795][ T6867] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.754720][ T6867] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.761872][ T6867] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.807738][ T6867] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.820686][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.831603][ T3089] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.840265][ T3089] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.848749][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.860920][ T6867] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.873758][ T3922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.883011][ T3922] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.890057][ T3922] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.914212][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.923118][ T3089] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.930154][ T3089] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.939022][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.950493][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.958989][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.972171][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.985291][ T6867] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.996572][ T6867] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 69.006148][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 69.025394][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 69.033998][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 69.047741][ T6867] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 69.068416][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 69.088996][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 69.097993][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 69.106222][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 69.117598][ T6867] device veth0_vlan entered promiscuous mode [ 69.130793][ T6867] device veth1_vlan entered promiscuous mode [ 69.153216][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 69.161102][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 69.170390][ T3089] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 69.181506][ T6867] device veth0_macvtap entered promiscuous mode [ 69.192076][ T6867] device veth1_macvtap entered promiscuous mode [ 69.210299][ T6867] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 69.218123][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 69.228593][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 69.240025][ T6867] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 69.248946][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 69.260322][ T6867] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.269767][ T6867] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program [ 69.278540][ T6867] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 69.287348][ T6867] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 69.380483][ T7086] IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE [ 69.387808][ T7086] IPv6: NLM_F_CREATE should be set when creating new route [ 69.395054][ T7086] IPv6: NLM_F_CREATE should be set when creating new route [ 69.402353][ T7086] general protection fault, probably for non-canonical address 0xdffffc0000000010: 0000 [#1] PREEMPT SMP KASAN [ 69.414038][ T7086] KASAN: null-ptr-deref in range [0x0000000000000080-0x0000000000000087] [ 69.422424][ T7086] CPU: 1 PID: 7086 Comm: syz-executor952 Not tainted 5.9.0-rc1-syzkaller #0 [ 69.431089][ T7086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.441128][ T7086] RIP: 0010:rt6_fill_node+0x1396/0x2940 [ 69.446706][ T7086] Code: 3c 02 00 0f 85 ef 14 00 00 4d 8b 6d 10 e8 82 c8 86 fa 49 8d bd 80 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 10 15 00 00 4d 8b ad 80 00 00 00 e8 34 09 06 01 [ 69.466331][ T7086] RSP: 0018:ffffc900058972b0 EFLAGS: 00010202 [ 69.472385][ T7086] RAX: dffffc0000000000 RBX: ffff88808e2f3000 RCX: ffffffff86ed7656 [ 69.480330][ T7086] RDX: 0000000000000010 RSI: ffffffff86ed768e RDI: 0000000000000080 [ 69.488275][ T7086] RBP: ffffc900058973e8 R08: 0000000000000001 R09: ffff88808e2f3047 [ 69.496222][ T7086] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88808e319040 [ 69.504167][ T7086] R13: 0000000000000000 R14: ffff88809d30f700 R15: 0000000000000000 [ 69.512131][ T7086] FS: 0000000001e77880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 69.521046][ T7086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.527602][ T7086] CR2: 0000000020000300 CR3: 000000008dde4000 CR4: 00000000001506e0 [ 69.535553][ T7086] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.543526][ T7086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.551579][ T7086] Call Trace: [ 69.554856][ T7086] ? __find_rr_leaf+0xd10/0xd10 [ 69.559689][ T7086] ? kmem_cache_alloc_node_trace+0x39f/0x400 [ 69.565644][ T7086] ? kasan_unpoison_shadow+0x33/0x40 [ 69.570917][ T7086] ? __phys_addr+0x9a/0x110 [ 69.575412][ T7086] ? memset+0x20/0x40 [ 69.579370][ T7086] inet6_rt_notify+0x14c/0x2b0 [ 69.584124][ T7086] fib6_add+0x2840/0x3ed0 [ 69.588429][ T7086] ? fib6_update_sernum_stub+0x80/0x80 [ 69.593864][ T7086] ? do_raw_spin_lock+0x120/0x2b0 [ 69.598894][ T7086] ip6_route_add+0x8b/0x150 [ 69.603378][ T7086] inet6_rtm_newroute+0x152/0x160 [ 69.608480][ T7086] ? ip6_route_multipath_add+0x1ee0/0x1ee0 [ 69.614278][ T7086] ? rtnetlink_rcv_msg+0x3f9/0xad0 [ 69.619368][ T7086] ? lock_is_held_type+0xbb/0xf0 [ 69.624287][ T7086] ? ip6_route_multipath_add+0x1ee0/0x1ee0 [ 69.630065][ T7086] rtnetlink_rcv_msg+0x44e/0xad0 [ 69.634983][ T7086] ? rtnetlink_put_metrics+0x510/0x510 [ 69.640418][ T7086] ? lock_acquire+0x1f1/0xad0 [ 69.645074][ T7086] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 69.650357][ T7086] netlink_rcv_skb+0x15a/0x430 [ 69.655109][ T7086] ? rtnetlink_put_metrics+0x510/0x510 [ 69.660555][ T7086] ? netlink_ack+0xa10/0xa10 [ 69.665130][ T7086] netlink_unicast+0x533/0x7d0 [ 69.669869][ T7086] ? netlink_attachskb+0x810/0x810 [ 69.674954][ T7086] ? _copy_from_iter_full+0x247/0x890 [ 69.680300][ T7086] netlink_sendmsg+0x856/0xd90 [ 69.685040][ T7086] ? netlink_unicast+0x7d0/0x7d0 [ 69.689952][ T7086] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 69.695209][ T7086] ? netlink_unicast+0x7d0/0x7d0 [ 69.700119][ T7086] sock_sendmsg+0xcf/0x120 [ 69.704509][ T7086] ____sys_sendmsg+0x6e8/0x810 [ 69.709247][ T7086] ? kernel_sendmsg+0x50/0x50 [ 69.713918][ T7086] ? do_recvmmsg+0x6d0/0x6d0 [ 69.718497][ T7086] ? __might_fault+0xef/0x1d0 [ 69.723162][ T7086] ? find_held_lock+0x2d/0x110 [ 69.727904][ T7086] ? __might_fault+0x11f/0x1d0 [ 69.732653][ T7086] ___sys_sendmsg+0xf3/0x170 [ 69.737216][ T7086] ? sendmsg_copy_msghdr+0x160/0x160 [ 69.742481][ T7086] ? __might_fault+0x190/0x1d0 [ 69.747219][ T7086] ? _copy_to_user+0x126/0x160 [ 69.751967][ T7086] ? sock_do_ioctl+0x168/0x2d0 [ 69.756714][ T7086] ? compat_ifr_data_ioctl+0x150/0x150 [ 69.762146][ T7086] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 69.768013][ T7086] ? __fget_light+0x215/0x280 [ 69.772685][ T7086] __sys_sendmsg+0xe5/0x1b0 [ 69.777160][ T7086] ? __sys_sendmsg_sock+0xb0/0xb0 [ 69.782161][ T7086] ? trace_hardirqs_on+0x5f/0x220 [ 69.787159][ T7086] ? lockdep_hardirqs_on+0x76/0xf0 [ 69.792243][ T7086] do_syscall_64+0x2d/0x70 [ 69.796640][ T7086] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 69.802676][ T7086] RIP: 0033:0x443ef9 [ 69.806546][ T7086] Code: e8 8c 07 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 bb 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.826223][ T7086] RSP: 002b:00007ffdb34aed28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 69.834615][ T7086] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443ef9 [ 69.842566][ T7086] RDX: 0000000000000000 RSI: 0000000020000300 RDI: 0000000000000003 [ 69.850509][ T7086] RBP: 00007ffdb34aed30 R08: 0000000000000000 R09: 0000000000000000 [ 69.858542][ T7086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000010f02 [ 69.866489][ T7086] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 69.874437][ T7086] Modules linked in: [ 69.878360][ T7086] ---[ end trace f3c27c78037a8ebe ]--- [ 69.883837][ T7086] RIP: 0010:rt6_fill_node+0x1396/0x2940 [ 69.889375][ T7086] Code: 3c 02 00 0f 85 ef 14 00 00 4d 8b 6d 10 e8 82 c8 86 fa 49 8d bd 80 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 10 15 00 00 4d 8b ad 80 00 00 00 e8 34 09 06 01 [ 69.909020][ T7086] RSP: 0018:ffffc900058972b0 EFLAGS: 00010202 [ 69.915114][ T7086] RAX: dffffc0000000000 RBX: ffff88808e2f3000 RCX: ffffffff86ed7656 [ 69.923102][ T7086] RDX: 0000000000000010 RSI: ffffffff86ed768e RDI: 0000000000000080 [ 69.931060][ T7086] RBP: ffffc900058973e8 R08: 0000000000000001 R09: ffff88808e2f3047 [ 69.939068][ T7086] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88808e319040 [ 69.947081][ T7086] R13: 0000000000000000 R14: ffff88809d30f700 R15: 0000000000000000 [ 69.955077][ T7086] FS: 0000000001e77880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 69.964040][ T7086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.970619][ T7086] CR2: 0000000020000300 CR3: 000000008dde4000 CR4: 00000000001506e0 [ 69.978604][ T7086] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.986597][ T7086] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.994689][ T7086] Kernel panic - not syncing: Fatal exception in interrupt [ 70.003310][ T7086] Kernel Offset: disabled [ 70.007625][ T7086] Rebooting in 86400 seconds..