[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 82.949723][ T26] audit: type=1800 audit(1578427291.256:25): pid=9319 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 82.972534][ T26] audit: type=1800 audit(1578427291.256:26): pid=9319 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 83.033335][ T26] audit: type=1800 audit(1578427291.256:27): pid=9319 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.208' (ECDSA) to the list of known hosts. 2020/01/07 20:02:02 parsed 1 programs 2020/01/07 20:02:03 executed programs: 0 syzkaller login: [ 115.717524][ T9488] IPVS: ftp: loaded support on port[0] = 21 [ 115.790907][ T9488] chnl_net:caif_netlink_parms(): no params data found [ 115.827444][ T9488] bridge0: port 1(bridge_slave_0) entered blocking state [ 115.835076][ T9488] bridge0: port 1(bridge_slave_0) entered disabled state [ 115.842980][ T9488] device bridge_slave_0 entered promiscuous mode [ 115.851195][ T9488] bridge0: port 2(bridge_slave_1) entered blocking state [ 115.858405][ T9488] bridge0: port 2(bridge_slave_1) entered disabled state [ 115.866322][ T9488] device bridge_slave_1 entered promiscuous mode [ 115.885184][ T9488] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 115.896449][ T9488] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 115.917645][ T9488] team0: Port device team_slave_0 added [ 115.925265][ T9488] team0: Port device team_slave_1 added [ 116.003795][ T9488] device hsr_slave_0 entered promiscuous mode [ 116.081921][ T9488] device hsr_slave_1 entered promiscuous mode [ 116.174548][ T9488] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 116.244368][ T9488] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 116.284420][ T9488] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 116.354348][ T9488] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 116.403522][ T9488] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.410672][ T9488] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.418809][ T9488] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.425918][ T9488] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.467014][ T9488] 8021q: adding VLAN 0 to HW filter on device bond0 [ 116.480357][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 116.493597][ T2723] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.501746][ T2723] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.509917][ T2723] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 116.524238][ T9488] 8021q: adding VLAN 0 to HW filter on device team0 [ 116.534947][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 116.543873][ T3151] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.550916][ T3151] bridge0: port 1(bridge_slave_0) entered forwarding state [ 116.574469][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 116.583299][ T2682] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.590355][ T2682] bridge0: port 2(bridge_slave_1) entered forwarding state [ 116.598538][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 116.608002][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 116.617856][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 116.633292][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 116.641559][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 116.652266][ T9488] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 116.668710][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 116.676252][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 116.689016][ T9488] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 116.707712][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 116.726484][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 116.735438][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 116.743307][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 116.754854][ T9488] device veth0_vlan entered promiscuous mode [ 116.767035][ T9488] device veth1_vlan entered promiscuous mode [ 116.783142][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 116.794161][ T2682] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 116.874863][ T9492] kasan: CONFIG_KASAN_INLINE enabled [ 116.880388][ T9492] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 116.888505][ T9492] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 116.895804][ T9492] CPU: 0 PID: 9492 Comm: syz-executor.0 Not tainted 5.5.0-rc4-syzkaller #0 [ 116.904376][ T9492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.914440][ T9492] RIP: 0010:hash_netport6_uadt+0x21d/0xdb0 [ 116.920274][ T9492] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3a 09 00 00 4c 89 f2 45 8b 7f 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ff [ 116.939912][ T9492] RSP: 0018:ffffc90001fe7160 EFLAGS: 00010246 [ 116.946012][ T9492] RAX: dffffc0000000000 RBX: ffffc90001fe7320 RCX: 0000000000000000 [ 116.954598][ T9492] RDX: 0000000000000000 RSI: ffffffff86812d3a RDI: ffff8880968f1060 [ 116.962564][ T9492] RBP: ffffc90001fe72b8 R08: 0000000000000000 R09: 0000000000000000 [ 116.970526][ T9492] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffff88809ec95800 [ 116.978479][ T9492] R13: ffffc90001fe71e0 R14: 0000000000000000 R15: 0000000000000000 [ 116.986438][ T9492] FS: 00007fcdd64cb700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 116.995361][ T9492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.001932][ T9492] CR2: 0000000000000000 CR3: 0000000095541000 CR4: 00000000001406f0 [ 117.009885][ T9492] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 117.017850][ T9492] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 117.025826][ T9492] Call Trace: [ 117.029102][ T9492] ? hash_netport_create+0xa60/0xa60 [ 117.034397][ T9492] ? hash_netport6_same_set+0x1a0/0x1a0 [ 117.039928][ T9492] ? ip_set_utest+0x4aa/0x890 [ 117.044586][ T9492] ? __kasan_check_read+0x11/0x20 [ 117.049592][ T9492] ip_set_utest+0x55b/0x890 [ 117.054095][ T9492] ? ip_set_put_byindex+0x490/0x490 [ 117.059330][ T9492] ? __mutex_lock+0x458/0x13c0 [ 117.064148][ T9492] ? ip_set_put_byindex+0x490/0x490 [ 117.069339][ T9492] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 117.074285][ T9492] ? nfnetlink_bind+0x2c0/0x2c0 [ 117.079146][ T9492] ? find_held_lock+0x35/0x130 [ 117.083943][ T9492] ? __local_bh_enable_ip+0x15a/0x270 [ 117.090431][ T9492] ? __dev_queue_xmit+0x175c/0x35c0 [ 117.095629][ T9492] ? __local_bh_enable_ip+0x15a/0x270 [ 117.100993][ T9492] ? lockdep_hardirqs_on+0x421/0x5e0 [ 117.106267][ T9492] ? __dev_queue_xmit+0x172e/0x35c0 [ 117.111446][ T9492] ? trace_hardirqs_on+0x67/0x240 [ 117.116469][ T9492] ? __dev_queue_xmit+0x172e/0x35c0 [ 117.121657][ T9492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.121670][ T9492] ? apparmor_capable+0x497/0x900 [ 117.121684][ T9492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.121697][ T9492] ? __kasan_check_read+0x11/0x20 [ 117.121709][ T9492] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 117.121728][ T9492] netlink_rcv_skb+0x177/0x450 [ 117.121746][ T9492] ? nfnetlink_bind+0x2c0/0x2c0 [ 117.121758][ T9492] ? netlink_ack+0xb50/0xb50 [ 117.121778][ T9492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.170037][ T9492] ? ns_capable_common+0x93/0x100 [ 117.175055][ T9492] ? ns_capable+0x20/0x30 [ 117.179365][ T9492] ? __netlink_ns_capable+0x104/0x140 [ 117.184716][ T9492] nfnetlink_rcv+0x1ba/0x460 [ 117.189311][ T9492] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 117.194774][ T9492] ? netlink_deliver_tap+0x24a/0xbe0 [ 117.200070][ T9492] netlink_unicast+0x58c/0x7d0 [ 117.204831][ T9492] ? netlink_attachskb+0x870/0x870 [ 117.209969][ T9492] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 117.215674][ T9492] ? __check_object_size+0x3d/0x437 [ 117.220864][ T9492] netlink_sendmsg+0x91c/0xea0 [ 117.225615][ T9492] ? netlink_unicast+0x7d0/0x7d0 [ 117.230539][ T9492] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 117.236133][ T9492] ? apparmor_socket_sendmsg+0x2a/0x30 [ 117.241591][ T9492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.247863][ T9492] ? security_socket_sendmsg+0x8d/0xc0 [ 117.253306][ T9492] ? netlink_unicast+0x7d0/0x7d0 [ 117.258318][ T9492] sock_sendmsg+0xd7/0x130 [ 117.262718][ T9492] ____sys_sendmsg+0x753/0x880 [ 117.267464][ T9492] ? kernel_sendmsg+0x50/0x50 [ 117.272129][ T9492] ? __fget+0x35d/0x550 [ 117.276273][ T9492] ? find_held_lock+0x35/0x130 [ 117.281033][ T9492] ___sys_sendmsg+0x100/0x170 [ 117.285690][ T9492] ? sendmsg_copy_msghdr+0x70/0x70 [ 117.290799][ T9492] ? __kasan_check_read+0x11/0x20 [ 117.295810][ T9492] ? __fget+0x37f/0x550 [ 117.299948][ T9492] ? ksys_dup3+0x3e0/0x3e0 [ 117.304347][ T9492] ? __fget_light+0x1a9/0x230 [ 117.309008][ T9492] ? __fdget+0x1b/0x20 [ 117.313069][ T9492] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 117.319304][ T9492] __sys_sendmsg+0x105/0x1d0 [ 117.323884][ T9492] ? __sys_sendmsg_sock+0xc0/0xc0 [ 117.328939][ T9492] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 117.334388][ T9492] ? do_syscall_64+0x26/0x790 [ 117.339064][ T9492] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.345126][ T9492] ? do_syscall_64+0x26/0x790 [ 117.349795][ T9492] __x64_sys_sendmsg+0x78/0xb0 [ 117.354544][ T9492] do_syscall_64+0xfa/0x790 [ 117.359041][ T9492] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.364926][ T9492] RIP: 0033:0x45af49 [ 117.368823][ T9492] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 117.388417][ T9492] RSP: 002b:00007fcdd64cac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 117.396819][ T9492] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 117.404787][ T9492] RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000007 [ 117.412751][ T9492] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 117.420844][ T9492] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcdd64cb6d4 [ 117.428802][ T9492] R13: 00000000004c9e62 R14: 00000000004e2e98 R15: 00000000ffffffff [ 117.436767][ T9492] Modules linked in: [ 117.440760][ T9492] ---[ end trace 385f70d21fc90b4c ]--- [ 117.446356][ T9492] RIP: 0010:hash_netport6_uadt+0x21d/0xdb0 [ 117.452264][ T9492] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 3a 09 00 00 4c 89 f2 45 8b 7f 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 ff [ 117.472674][ T9492] RSP: 0018:ffffc90001fe7160 EFLAGS: 00010246 [ 117.478855][ T9492] RAX: dffffc0000000000 RBX: ffffc90001fe7320 RCX: 0000000000000000 [ 117.487029][ T9492] RDX: 0000000000000000 RSI: ffffffff86812d3a RDI: ffff8880968f1060 [ 117.495062][ T9492] RBP: ffffc90001fe72b8 R08: 0000000000000000 R09: 0000000000000000 [ 117.503092][ T9492] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffff88809ec95800 [ 117.511594][ T9492] R13: ffffc90001fe71e0 R14: 0000000000000000 R15: 0000000000000000 [ 117.519606][ T9492] FS: 00007fcdd64cb700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 117.528655][ T9492] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.535270][ T9492] CR2: 0000000000000000 CR3: 0000000095541000 CR4: 00000000001406f0 [ 117.543465][ T9492] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 117.551450][ T9492] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 117.559467][ T9492] Kernel panic - not syncing: Fatal exception in interrupt [ 117.567888][ T9492] Kernel Offset: disabled [ 117.572213][ T9492] Rebooting in 86400 seconds..