[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 79.228785][ T27] audit: type=1800 audit(1578437325.426:25): pid=9376 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 79.263138][ T27] audit: type=1800 audit(1578437325.426:26): pid=9376 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 79.294127][ T27] audit: type=1800 audit(1578437325.426:27): pid=9376 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[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.216' (ECDSA) to the list of known hosts. 2020/01/07 22:48:56 parsed 1 programs 2020/01/07 22:48:58 executed programs: 0 syzkaller login: [ 92.725668][ T9547] IPVS: ftp: loaded support on port[0] = 21 [ 92.791707][ T9547] chnl_net:caif_netlink_parms(): no params data found [ 92.824667][ T9547] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.832467][ T9547] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.841110][ T9547] device bridge_slave_0 entered promiscuous mode [ 92.849701][ T9547] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.857658][ T9547] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.865459][ T9547] device bridge_slave_1 entered promiscuous mode [ 92.884631][ T9547] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.895475][ T9547] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.915360][ T9547] team0: Port device team_slave_0 added [ 92.922910][ T9547] team0: Port device team_slave_1 added [ 92.975875][ T9547] device hsr_slave_0 entered promiscuous mode [ 93.013952][ T9547] device hsr_slave_1 entered promiscuous mode [ 93.107824][ T9547] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 93.155958][ T9547] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 93.225363][ T9547] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 93.275686][ T9547] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 93.335727][ T9547] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.343202][ T9547] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.350982][ T9547] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.358129][ T9547] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.396690][ T9547] 8021q: adding VLAN 0 to HW filter on device bond0 [ 93.411836][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 93.421862][ T3110] bridge0: port 1(bridge_slave_0) entered disabled state [ 93.430324][ T3110] bridge0: port 2(bridge_slave_1) entered disabled state [ 93.438580][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 93.451999][ T9547] 8021q: adding VLAN 0 to HW filter on device team0 [ 93.463488][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 93.471901][ T2898] bridge0: port 1(bridge_slave_0) entered blocking state [ 93.479021][ T2898] bridge0: port 1(bridge_slave_0) entered forwarding state [ 93.490588][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 93.500052][ T3110] bridge0: port 2(bridge_slave_1) entered blocking state [ 93.507288][ T3110] bridge0: port 2(bridge_slave_1) entered forwarding state [ 93.525761][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 93.535575][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 93.546890][ T3181] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 93.562603][ T9547] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 93.575421][ T9547] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 93.587695][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 93.596439][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 93.604763][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 93.622159][ T3181] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 93.629668][ T3181] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 93.642708][ T9547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 93.664043][ T2898] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 93.684174][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.693171][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.701323][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.711141][ T9547] device veth0_vlan entered promiscuous mode [ 93.722614][ T9547] device veth1_vlan entered promiscuous mode [ 93.783902][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.792225][ T3110] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.839240][ T9550] kasan: CONFIG_KASAN_INLINE enabled [ 93.845101][ T9550] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 93.853227][ T9550] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 93.860182][ T9550] CPU: 0 PID: 9550 Comm: syz-executor.0 Not tainted 5.5.0-rc4-syzkaller #0 [ 93.868754][ T9550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.878819][ T9550] RIP: 0010:hash_ipport4_uadt+0x1f6/0xc20 [ 93.884526][ T9550] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 45 09 00 00 4c 89 ea 45 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e7 [ 93.904136][ T9550] RSP: 0018:ffffc90002217170 EFLAGS: 00010246 [ 93.910194][ T9550] RAX: dffffc0000000000 RBX: ffffc90002217320 RCX: 0000000000000000 [ 93.918162][ T9550] RDX: 0000000000000000 RSI: ffffffff86800273 RDI: ffff888095a58c44 [ 93.926122][ T9550] RBP: ffffc900022172b8 R08: 0000000000000000 R09: 0000000000000000 [ 93.934090][ T9550] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffffc90002217220 [ 93.942214][ T9550] R13: 0000000000000000 R14: 0000000001040000 R15: ffff88809fbc7500 [ 93.950173][ T9550] FS: 00007f346c922700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 93.959095][ T9550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.965670][ T9550] CR2: 0000000000000000 CR3: 0000000095280000 CR4: 00000000001406f0 [ 93.973631][ T9550] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.981581][ T9550] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.989533][ T9550] Call Trace: [ 93.992893][ T9550] ? mark_held_locks+0xf0/0xf0 [ 93.997641][ T9550] ? hash_ipport_create+0xa60/0xa60 [ 94.002925][ T9550] ? hash_ipport6_kadt+0x4c0/0x4c0 [ 94.008022][ T9550] ? nla_memcpy+0xb0/0xb0 [ 94.012333][ T9550] ? ip_set_utest+0x4aa/0x890 [ 94.017019][ T9550] ? __kasan_check_read+0x11/0x20 [ 94.022027][ T9550] ip_set_utest+0x55b/0x890 [ 94.026524][ T9550] ? ip_set_put_byindex+0x490/0x490 [ 94.031758][ T9550] ? __mutex_lock+0x458/0x13c0 [ 94.036531][ T9550] ? ip_set_put_byindex+0x490/0x490 [ 94.041730][ T9550] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 94.046674][ T9550] ? nfnetlink_bind+0x2c0/0x2c0 [ 94.051531][ T9550] ? __kasan_check_read+0x11/0x20 [ 94.056550][ T9550] ? mark_lock+0xc2/0x1220 [ 94.061042][ T9550] ? preempt_schedule+0x4b/0x60 [ 94.066344][ T9550] ? ___preempt_schedule+0x16/0x18 [ 94.071442][ T9550] ? rcu_preempt_deferred_qs_irqrestore+0x4ff/0xd60 [ 94.078083][ T9550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.084323][ T9550] ? apparmor_capable+0x497/0x900 [ 94.089333][ T9550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.095735][ T9550] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 94.101191][ T9550] netlink_rcv_skb+0x177/0x450 [ 94.105991][ T9550] ? nfnetlink_bind+0x2c0/0x2c0 [ 94.110846][ T9550] ? netlink_ack+0xb50/0xb50 [ 94.115426][ T9550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.121652][ T9550] ? ns_capable_common+0x93/0x100 [ 94.126772][ T9550] ? ns_capable+0x20/0x30 [ 94.131096][ T9550] ? __netlink_ns_capable+0x104/0x140 [ 94.136463][ T9550] nfnetlink_rcv+0x1ba/0x460 [ 94.142610][ T9550] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 94.148923][ T9550] ? netlink_deliver_tap+0x24a/0xbe0 [ 94.154202][ T9550] netlink_unicast+0x58c/0x7d0 [ 94.158960][ T9550] ? netlink_attachskb+0x870/0x870 [ 94.164064][ T9550] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 94.169768][ T9550] ? __check_object_size+0x3d/0x437 [ 94.174953][ T9550] netlink_sendmsg+0x91c/0xea0 [ 94.179961][ T9550] ? netlink_unicast+0x7d0/0x7d0 [ 94.184906][ T9550] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 94.190704][ T9550] ? apparmor_socket_sendmsg+0x2a/0x30 [ 94.196273][ T9550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.203284][ T9550] ? security_socket_sendmsg+0x8d/0xc0 [ 94.208879][ T9550] ? netlink_unicast+0x7d0/0x7d0 [ 94.213822][ T9550] sock_sendmsg+0xd7/0x130 [ 94.218225][ T9550] ____sys_sendmsg+0x753/0x880 [ 94.222975][ T9550] ? kernel_sendmsg+0x50/0x50 [ 94.227644][ T9550] ? __fget+0x35d/0x550 [ 94.231789][ T9550] ? find_held_lock+0x35/0x130 [ 94.236602][ T9550] ___sys_sendmsg+0x100/0x170 [ 94.241258][ T9550] ? sendmsg_copy_msghdr+0x70/0x70 [ 94.246363][ T9550] ? __kasan_check_read+0x11/0x20 [ 94.251433][ T9550] ? __fget+0x37f/0x550 [ 94.255600][ T9550] ? ksys_dup3+0x3e0/0x3e0 [ 94.260001][ T9550] ? __fget_light+0x1a9/0x230 [ 94.264696][ T9550] ? __fdget+0x1b/0x20 [ 94.268756][ T9550] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.274992][ T9550] __sys_sendmsg+0x105/0x1d0 [ 94.279564][ T9550] ? __sys_sendmsg_sock+0xc0/0xc0 [ 94.285268][ T9550] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 94.290703][ T9550] ? do_syscall_64+0x26/0x790 [ 94.295358][ T9550] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.301416][ T9550] ? do_syscall_64+0x26/0x790 [ 94.306077][ T9550] __x64_sys_sendmsg+0x78/0xb0 [ 94.310831][ T9550] do_syscall_64+0xfa/0x790 [ 94.315315][ T9550] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.321184][ T9550] RIP: 0033:0x45af49 [ 94.325057][ T9550] 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 [ 94.345232][ T9550] RSP: 002b:00007f346c921c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 94.353828][ T9550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 94.361789][ T9550] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000008 [ 94.369744][ T9550] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 94.377706][ T9550] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f346c9226d4 [ 94.385660][ T9550] R13: 00000000004c9e62 R14: 00000000004e2e98 R15: 00000000ffffffff [ 94.393633][ T9550] Modules linked in: [ 94.397606][ T9550] ---[ end trace 65dc7579b76f61ec ]--- [ 94.403088][ T9550] RIP: 0010:hash_ipport4_uadt+0x1f6/0xc20 [ 94.408791][ T9550] Code: 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 45 09 00 00 4c 89 ea 45 8b 76 04 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 e7 [ 94.429471][ T9550] RSP: 0018:ffffc90002217170 EFLAGS: 00010246 [ 94.435554][ T9550] RAX: dffffc0000000000 RBX: ffffc90002217320 RCX: 0000000000000000 [ 94.443725][ T9550] RDX: 0000000000000000 RSI: ffffffff86800273 RDI: ffff888095a58c44 [ 94.451705][ T9550] RBP: ffffc900022172b8 R08: 0000000000000000 R09: 0000000000000000 [ 94.459693][ T9550] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffffc90002217220 [ 94.467683][ T9550] R13: 0000000000000000 R14: 0000000001040000 R15: ffff88809fbc7500 [ 94.475966][ T9550] FS: 00007f346c922700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 94.484932][ T9550] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.491497][ T9550] CR2: 0000000000000000 CR3: 0000000095280000 CR4: 00000000001406f0 [ 94.499483][ T9550] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.507464][ T9550] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.515460][ T9550] Kernel panic - not syncing: Fatal exception in interrupt [ 94.524090][ T9550] Kernel Offset: disabled [ 94.528437][ T9550] Rebooting in 86400 seconds..