Starting System Logging Service... Starting getty on tty2-tty6 if dbus and logind are not available... Starting OpenBSD Secure Shell server... [ OK ] Started Regular background program processing daemon. [ OK ] Started System Logging Service. [ OK ] Started Permit User Sessions. [ OK ] Found device /dev/ttyS0. [ OK ] Started OpenBSD Secure Shell server. [ OK ] Started getty on tty2-tty6 if dbus and logind are not available. [ 64.712856][ T8274] bash (8274) used greatest stack depth: 22968 bytes left [ 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. Warning: Permanently added '10.128.0.87' (ECDSA) to the list of known hosts. [ 77.063095][ T37] audit: type=1400 audit(1629381740.850:8): avc: denied { execmem } for pid=8449 comm="syz-executor159" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 77.182088][ T8450] chnl_net:caif_netlink_parms(): no params data found [ 77.239748][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.248089][ T8450] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.256467][ T8450] device bridge_slave_0 entered promiscuous mode [ 77.265403][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.272904][ T8450] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.280505][ T8450] device bridge_slave_1 entered promiscuous mode Debian GNU/Linux 9 syzkaller ttyS0 [ 77.308279][ T8450] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.320049][ T8450] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link syzkaller login: [ 77.350505][ T8450] team0: Port device team_slave_0 added [ 77.357816][ T8450] team0: Port device team_slave_1 added [ 77.377366][ T8450] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.384372][ T8450] 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. [ 77.411331][ T8450] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.425515][ T8450] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.433093][ T8450] 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. [ 77.459492][ T8450] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.486684][ T8450] device hsr_slave_0 entered promiscuous mode [ 77.493426][ T8450] device hsr_slave_1 entered promiscuous mode [ 77.604449][ T8450] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.619989][ T8450] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.629049][ T8450] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.639765][ T8450] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.669484][ T8450] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.676649][ T8450] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.684367][ T8450] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.691406][ T8450] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.735129][ T8450] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.751299][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.761850][ T26] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.770703][ T26] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.779534][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.792445][ T8450] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.817157][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.825767][ T4823] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.832928][ T4823] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.840527][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.849813][ T4823] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.856919][ T4823] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.865232][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.879492][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.887773][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.899276][ T8658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.911523][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.923588][ T8450] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.941490][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 77.949114][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 77.962197][ T8450] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.980735][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.000273][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.010651][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.020042][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.031364][ T8450] device veth0_vlan entered promiscuous mode [ 78.044250][ T8450] device veth1_vlan entered promiscuous mode [ 78.065575][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.074453][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.082598][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.093319][ T8450] device veth0_macvtap entered promiscuous mode [ 78.102269][ T8450] device veth1_macvtap entered promiscuous mode [ 78.120801][ T8450] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.128346][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.139082][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.153504][ T8450] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.160759][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.170079][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.183171][ T8450] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.192127][ T8450] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.200947][ T8450] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.211774][ T8450] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 78.956898][ T8661] BUG: unable to handle page fault for address: ffff8880bfffd000 [ 78.964629][ T8661] #PF: supervisor read access in kernel mode [ 78.970696][ T8661] #PF: error_code(0x0000) - not-present page [ 78.976659][ T8661] PGD 10601067 P4D 10601067 PUD 23ffff067 PMD 23fffe067 PTE 0 [ 78.984111][ T8661] Oops: 0000 [#1] PREEMPT SMP KASAN [ 78.989285][ T8661] CPU: 0 PID: 8661 Comm: syz-executor159 Not tainted 5.14.0-rc6-syzkaller #0 [ 78.998025][ T8661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.008405][ T8661] RIP: 0010:do_csum+0x177/0x400 [ 79.013248][ T8661] Code: 89 ee 44 89 6c 24 04 89 04 24 e8 c4 01 80 fd 45 85 ed 74 4e 4d 89 e6 e8 07 f9 7f fd 41 83 ed 01 31 ff 31 c0 44 89 ee 49 03 1e <49> 13 5e 08 49 13 5e 10 49 13 5e 18 49 13 5e 20 49 13 5e 28 49 13 [ 79.032836][ T8661] RSP: 0018:ffffc900023f7420 EFLAGS: 00010282 [ 79.038895][ T8661] RAX: 0000000000000000 RBX: a3c915ee7fd7fcdc RCX: 0000000000000000 [ 79.046866][ T8661] RDX: ffff8880305c2240 RSI: 0000000002088401 RDI: 0000000000000000 [ 79.054820][ T8661] RBP: 00000000ffffffec R08: 0000000000000000 R09: 0000000000000060 [ 79.062780][ T8661] R10: ffffffff83f4e59b R11: 0000000000000060 R12: ffff88804220d0b8 [ 79.070732][ T8661] R13: 0000000002088401 R14: ffff8880bfffcff8 R15: 0000000000000000 [ 79.078681][ T8661] FS: 00007f002bbd7700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 79.087763][ T8661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.094327][ T8661] CR2: ffff8880bfffd000 CR3: 000000003987f000 CR4: 00000000001506f0 [ 79.102279][ T8661] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.110227][ T8661] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.118175][ T8661] Call Trace: [ 79.121435][ T8661] csum_partial+0x1c/0x30 [ 79.125754][ T8661] __gre_xmit+0x879/0x970 [ 79.130087][ T8661] ipgre_xmit+0x679/0x830 [ 79.134401][ T8661] dev_hard_start_xmit+0x1eb/0x920 [ 79.139497][ T8661] __dev_queue_xmit+0x2988/0x3620 [ 79.144500][ T8661] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 79.150285][ T8661] ? skb_partial_csum_set+0x21b/0x2b0 [ 79.155638][ T8661] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 79.160904][ T8661] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 79.166619][ T8661] ? virtio_net_hdr_to_skb.constprop.0+0xf1/0xfc0 [ 79.173019][ T8661] ? __sanitizer_cov_trace_const_cmp2+0x22/0x80 [ 79.179240][ T8661] ? packet_parse_headers+0x11d/0x490 [ 79.184596][ T8661] ? packet_poll+0x600/0x600 [ 79.189168][ T8661] packet_sendmsg+0x22fc/0x52b0 [ 79.194004][ T8661] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.200250][ T8661] ? selinux_socket_sendmsg+0x203/0x2b0 [ 79.205779][ T8661] ? lock_chain_count+0x20/0x20 [ 79.210614][ T8661] ? selinux_socket_listen+0x2b0/0x2b0 [ 79.216097][ T8661] ? tomoyo_socket_sendmsg_permission+0x130/0x3a0 [ 79.222499][ T8661] ? tomoyo_socket_bind_permission+0x330/0x330 [ 79.228632][ T8661] ? packet_create+0xac0/0xac0 [ 79.233379][ T8661] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.239598][ T8661] ? packet_create+0xac0/0xac0 [ 79.244343][ T8661] sock_sendmsg+0xcf/0x120 [ 79.248745][ T8661] sock_no_sendpage+0xf3/0x130 [ 79.253493][ T8661] ? sk_page_frag_refill+0x1d0/0x1d0 [ 79.258760][ T8661] kernel_sendpage.part.0+0x1a0/0x340 [ 79.264114][ T8661] sock_sendpage+0xe5/0x140 [ 79.268595][ T8661] ? __sock_recv_ts_and_drops+0x430/0x430 [ 79.274297][ T8661] pipe_to_sendpage+0x2ad/0x380 [ 79.279129][ T8661] ? propagate_umount+0x19f0/0x19f0 [ 79.284312][ T8661] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.290542][ T8661] ? splice_from_pipe_next.part.0+0x167/0x520 [ 79.296601][ T8661] __splice_from_pipe+0x43e/0x8a0 [ 79.301616][ T8661] ? propagate_umount+0x19f0/0x19f0 [ 79.306794][ T8661] generic_splice_sendpage+0xd4/0x140 [ 79.312146][ T8661] ? __do_sys_vmsplice+0x9e0/0x9e0 [ 79.317242][ T8661] ? selinux_file_permission+0x36/0x520 [ 79.322774][ T8661] ? security_file_permission+0x248/0x560 [ 79.328675][ T8661] ? __do_sys_vmsplice+0x9e0/0x9e0 [ 79.333772][ T8661] do_splice+0xb7e/0x1960 [ 79.338091][ T8661] ? find_held_lock+0x2d/0x110 [ 79.342843][ T8661] ? splice_file_to_pipe+0x120/0x120 [ 79.348369][ T8661] ? find_held_lock+0x2d/0x110 [ 79.353116][ T8661] __do_splice+0x134/0x250 [ 79.357527][ T8661] ? do_splice+0x1960/0x1960 [ 79.362099][ T8661] __x64_sys_splice+0x198/0x250 [ 79.367021][ T8661] do_syscall_64+0x35/0xb0 [ 79.371434][ T8661] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.377312][ T8661] RIP: 0033:0x449009 [ 79.381197][ T8661] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 15 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 79.400782][ T8661] RSP: 002b:00007f002bbd72e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 79.409347][ T8661] RAX: ffffffffffffffda RBX: 00000000004cf510 RCX: 0000000000449009 [ 79.417306][ T8661] RDX: 0000000000000006 RSI: 0000000000000000 RDI: 0000000000000004 [ 79.425251][ T8661] RBP: 00000000004cf51c R08: 00000000ffffffff R09: 0000000000000000 [ 79.433202][ T8661] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000049e004 [ 79.441168][ T8661] R13: 78902f0000000000 R14: 6d32cc5e8ead0600 R15: 00000000004cf518 [ 79.449118][ T8661] Modules linked in: [ 79.452988][ T8661] CR2: ffff8880bfffd000 [ 79.457118][ T8661] ---[ end trace 100fcbab8ee0a232 ]--- [ 79.462547][ T8661] RIP: 0010:do_csum+0x177/0x400 [ 79.467382][ T8661] Code: 89 ee 44 89 6c 24 04 89 04 24 e8 c4 01 80 fd 45 85 ed 74 4e 4d 89 e6 e8 07 f9 7f fd 41 83 ed 01 31 ff 31 c0 44 89 ee 49 03 1e <49> 13 5e 08 49 13 5e 10 49 13 5e 18 49 13 5e 20 49 13 5e 28 49 13 [ 79.486968][ T8661] RSP: 0018:ffffc900023f7420 EFLAGS: 00010282 [ 79.493011][ T8661] RAX: 0000000000000000 RBX: a3c915ee7fd7fcdc RCX: 0000000000000000 [ 79.500959][ T8661] RDX: ffff8880305c2240 RSI: 0000000002088401 RDI: 0000000000000000 [ 79.508911][ T8661] RBP: 00000000ffffffec R08: 0000000000000000 R09: 0000000000000060 [ 79.516885][ T8661] R10: ffffffff83f4e59b R11: 0000000000000060 R12: ffff88804220d0b8 [ 79.524836][ T8661] R13: 0000000002088401 R14: ffff8880bfffcff8 R15: 0000000000000000 [ 79.532793][ T8661] FS: 00007f002bbd7700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 79.541733][ T8661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.548301][ T8661] CR2: ffff8880bfffd000 CR3: 000000003987f000 CR4: 00000000001506f0 [ 79.556270][ T8661] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.564220][ T8661] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.572176][ T8661] Kernel panic - not syncing: Fatal exception in interrupt [ 79.580805][ T8661] Kernel Offset: disabled [ 79.585123][ T8661] Rebooting in 86400 seconds..