[ 89.905186][ T27] audit: type=1800 audit(1582095040.718:26): pid=9682 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 90.700691][ T27] kauditd_printk_skb: 2 callbacks suppressed [ 90.700702][ T27] audit: type=1800 audit(1582095041.538:29): pid=9682 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 90.727344][ T27] audit: type=1800 audit(1582095041.538:30): pid=9682 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.52' (ECDSA) to the list of known hosts. syzkaller login: [ 98.722099][ T9838] IPVS: ftp: loaded support on port[0] = 21 [ 98.771694][ T9838] chnl_net:caif_netlink_parms(): no params data found [ 98.807969][ T9838] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.815543][ T9838] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.823609][ T9838] device bridge_slave_0 entered promiscuous mode [ 98.832018][ T9838] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.840038][ T9838] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.847670][ T9838] device bridge_slave_1 entered promiscuous mode [ 98.865596][ T9838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.876288][ T9838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.895544][ T9838] team0: Port device team_slave_0 added [ 98.902716][ T9838] team0: Port device team_slave_1 added [ 98.917432][ T9838] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 98.924498][ T9838] 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. [ 98.950903][ T9838] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 98.963696][ T9838] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 98.970809][ T9838] 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. [ 98.996915][ T9838] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 99.060648][ T9838] device hsr_slave_0 entered promiscuous mode [ 99.099025][ T9838] device hsr_slave_1 entered promiscuous mode [ 99.200290][ T9838] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 99.241553][ T9838] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 99.311673][ T9838] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 99.381372][ T9838] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 99.443998][ T9838] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.451207][ T9838] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.458983][ T9838] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.466050][ T9838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.507874][ T9838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 99.522727][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 99.533491][ T2884] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.541865][ T2884] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.550492][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 99.563966][ T9838] 8021q: adding VLAN 0 to HW filter on device team0 [ 99.575191][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 99.584520][ T2733] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.591596][ T2733] bridge0: port 1(bridge_slave_0) entered forwarding state [ 99.602698][ T2884] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 99.612050][ T2884] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.619263][ T2884] bridge0: port 2(bridge_slave_1) entered forwarding state [ 99.641008][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 99.650661][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 99.666043][ T9838] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 99.676782][ T9838] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 99.690043][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 99.697897][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 99.708355][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 99.716926][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 99.738268][ T9838] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 99.746497][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 99.754295][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 99.774484][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 99.783456][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 99.801844][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 99.810899][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 99.821817][ T9838] device veth0_vlan entered promiscuous mode [ 99.828710][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 99.836640][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 99.850205][ T9838] device veth1_vlan entered promiscuous mode [ 99.871677][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 99.879728][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 99.887586][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 99.896849][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 99.908228][ T9838] device veth0_macvtap entered promiscuous mode [ 99.921116][ T9838] device veth1_macvtap entered promiscuous mode [ 99.937917][ T9838] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 99.945926][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 99.954056][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 99.962091][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 99.970820][ T2879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 99.983030][ T9838] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 99.990914][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 100.000536][ T2765] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 100.165175][ T9838] general protection fault, probably for non-canonical address 0xdffffc00060cae4d: 0000 [#1] PREEMPT SMP KASAN [ 100.177008][ T9838] KASAN: probably user-memory-access in range [0x0000000030657268-0x000000003065726f] [ 100.186539][ T9838] CPU: 0 PID: 9838 Comm: syz-executor022 Not tainted 5.6.0-rc2-syzkaller #0 [ 100.196860][ T9838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.206938][ T9838] RIP: 0010:nf_flow_table_offload_setup+0x4dc/0x6d0 [ 100.213516][ T9838] Code: bc 24 50 ff ff ff 48 ba 00 00 00 00 00 fc ff df 4d 8b ae 00 02 00 00 4d 8b a4 24 58 ff ff ff 49 8d 7f 08 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 cd 01 00 00 4c 89 e2 49 89 47 08 48 b8 00 00 00 [ 100.233216][ T9838] RSP: 0018:ffffc90001df7218 EFLAGS: 00010207 [ 100.239361][ T9838] RAX: ffff888099856250 RBX: 1ffff920003bee47 RCX: 00000000060cae4d [ 100.247421][ T9838] RDX: dffffc0000000000 RSI: ffffffff8687894e RDI: 000000003065726f [ 100.255448][ T9838] RBP: ffffc90001df7360 R08: ffff88808b880600 R09: fffff520003bee53 [ 100.263603][ T9838] R10: fffff520003bee52 R11: ffffc90001df7296 R12: 0000000000000000 [ 100.271567][ T9838] R13: ffff888099856250 R14: ffff888099856050 R15: 0000000030657267 [ 100.279527][ T9838] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:0000000008e25840 [ 100.288491][ T9838] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 100.295066][ T9838] CR2: 0000000020003e00 CR3: 00000000a2f37000 CR4: 00000000001406f0 [ 100.303465][ T9838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.311440][ T9838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.319511][ T9838] Call Trace: [ 100.322856][ T9838] ? flow_offload_queue_work+0x130/0x130 [ 100.328550][ T9838] ? nft_netdev_hook_alloc+0xfb/0x170 [ 100.333951][ T9838] ? nf_tables_init_net+0x1e0/0x1e0 [ 100.339264][ T9838] ? nla_memcpy+0xb0/0xb0 [ 100.343593][ T9838] ? wait_for_completion+0x440/0x440 [ 100.348871][ T9838] ? trace_hardirqs_on+0x67/0x240 [ 100.355451][ T9838] ? nf_tables_parse_netdev_hooks+0x70/0x660 [ 100.361450][ T9838] nf_tables_newflowtable+0x1352/0x1d90 [ 100.367071][ T9838] ? nf_tables_newrule+0x2400/0x2400 [ 100.372459][ T9838] ? __nla_parse+0x43/0x60 [ 100.376979][ T9838] nfnetlink_rcv_batch+0x8c8/0x1790 [ 100.382182][ T9838] ? nf_tables_newrule+0x2400/0x2400 [ 100.387468][ T9838] ? nfnetlink_subsys_register+0x2b0/0x2b0 [ 100.393273][ T9838] ? __dev_queue_xmit+0x172e/0x35c0 [ 100.398489][ T9838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.404858][ T9838] ? apparmor_capable+0x497/0x900 [ 100.409908][ T9838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.416236][ T9838] ? __nla_validate_parse+0x2d0/0x1ee0 [ 100.421706][ T9838] ? cap_capable+0x205/0x270 [ 100.426295][ T9838] ? nla_memcpy+0xb0/0xb0 [ 100.430893][ T9838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.437289][ T9838] ? ns_capable_common+0x93/0x100 [ 100.442514][ T9838] ? __nla_parse+0x43/0x60 [ 100.446932][ T9838] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 100.452781][ T9838] nfnetlink_rcv+0x3e7/0x460 [ 100.457386][ T9838] ? nfnetlink_rcv_batch+0x1790/0x1790 [ 100.462959][ T9838] ? netlink_deliver_tap+0x248/0xbf0 [ 100.468245][ T9838] netlink_unicast+0x59e/0x7e0 [ 100.473039][ T9838] ? netlink_attachskb+0x870/0x870 [ 100.478147][ T9838] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 100.483888][ T9838] ? __check_object_size+0x3d/0x437 [ 100.489078][ T9838] netlink_sendmsg+0x91c/0xea0 [ 100.493864][ T9838] ? netlink_unicast+0x7e0/0x7e0 [ 100.498817][ T9838] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 100.504482][ T9838] ? apparmor_socket_sendmsg+0x2a/0x30 [ 100.509954][ T9838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.516425][ T9838] ? security_socket_sendmsg+0x8d/0xc0 [ 100.521966][ T9838] ? netlink_unicast+0x7e0/0x7e0 [ 100.526890][ T9838] sock_sendmsg+0xd7/0x130 [ 100.531396][ T9838] ____sys_sendmsg+0x753/0x880 [ 100.536371][ T9838] ? kernel_sendmsg+0x50/0x50 [ 100.541189][ T9838] ___sys_sendmsg+0x100/0x170 [ 100.545910][ T9838] ? sendmsg_copy_msghdr+0x70/0x70 [ 100.551129][ T9838] ? do_huge_pmd_anonymous_page+0xceb/0x1a50 [ 100.557187][ T9838] ? mark_lock+0xc2/0x1220 [ 100.561665][ T9838] ? prep_transhuge_page+0xa0/0xa0 [ 100.566763][ T9838] ? do_page_fault+0x579/0x12e1 [ 100.572942][ T9838] ? find_held_lock+0x35/0x130 [ 100.577711][ T9838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 100.583998][ T9838] ? __fget_light+0x1ad/0x270 [ 100.588717][ T9838] ? __fdget+0x1b/0x20 [ 100.592780][ T9838] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 100.599023][ T9838] __sys_sendmsg+0x105/0x1d0 [ 100.603764][ T9838] ? __sys_sendmsg_sock+0xc0/0xc0 [ 100.608815][ T9838] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.614385][ T9838] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.619965][ T9838] ? do_fast_syscall_32+0xd1/0xe16 [ 100.625074][ T9838] ? entry_SYSENTER_compat+0x70/0x7f [ 100.630349][ T9838] ? do_fast_syscall_32+0xd1/0xe16 [ 100.635560][ T9838] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 100.641117][ T9838] do_fast_syscall_32+0x27b/0xe16 [ 100.646182][ T9838] entry_SYSENTER_compat+0x70/0x7f [ 100.651324][ T9838] RIP: 0023:0xf7f03e39 [ 100.655420][ T9838] Code: 1d 00 00 00 89 d3 5b 5e 5d c3 8b 04 24 c3 8b 1c 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 100.675009][ T9838] RSP: 002b:00000000ffa13d7c EFLAGS: 00000282 ORIG_RAX: 0000000000000172 [ 100.683410][ T9838] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020003e00 [ 100.691398][ T9838] RDX: 0000000000000000 RSI: 00000000f7f0328c RDI: 0000000000000004 [ 100.699360][ T9838] RBP: 0000000008e26018 R08: 0000000000000000 R09: 0000000000000000 [ 100.707493][ T9838] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 100.715449][ T9838] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 100.723407][ T9838] Modules linked in: [ 100.732144][ T9838] ---[ end trace 3a17d1e06db19fac ]--- [ 100.737841][ T9838] RIP: 0010:nf_flow_table_offload_setup+0x4dc/0x6d0 [ 100.744453][ T9838] Code: bc 24 50 ff ff ff 48 ba 00 00 00 00 00 fc ff df 4d 8b ae 00 02 00 00 4d 8b a4 24 58 ff ff ff 49 8d 7f 08 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 cd 01 00 00 4c 89 e2 49 89 47 08 48 b8 00 00 00 [ 100.764458][ T9838] RSP: 0018:ffffc90001df7218 EFLAGS: 00010207 [ 100.770603][ T9838] RAX: ffff888099856250 RBX: 1ffff920003bee47 RCX: 00000000060cae4d [ 100.779267][ T9838] RDX: dffffc0000000000 RSI: ffffffff8687894e RDI: 000000003065726f [ 100.787241][ T9838] RBP: ffffc90001df7360 R08: ffff88808b880600 R09: fffff520003bee53 [ 100.795264][ T9838] R10: fffff520003bee52 R11: ffffc90001df7296 R12: 0000000000000000 [ 100.803255][ T9838] R13: ffff888099856250 R14: ffff888099856050 R15: 0000000030657267 [ 100.811251][ T9838] FS: 0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:0000000008e25840 [ 100.820390][ T9838] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 100.826955][ T9838] CR2: 0000000020003e00 CR3: 00000000a2f37000 CR4: 00000000001406f0 [ 100.834969][ T9838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 100.846126][ T9838] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 100.854162][ T9838] Kernel panic - not syncing: Fatal exception [ 100.861694][ T9838] Kernel Offset: disabled [ 100.867448][ T9838] Rebooting in 86400 seconds..