[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 83.075174][ T27] audit: type=1800 audit(1578431490.199:25): pid=9322 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 83.095386][ T27] audit: type=1800 audit(1578431490.209:26): pid=9322 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 83.151528][ T27] audit: type=1800 audit(1578431490.209:27): pid=9322 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 '10.128.0.82' (ECDSA) to the list of known hosts. 2020/01/07 21:11:43 parsed 1 programs 2020/01/07 21:11:44 executed programs: 0 syzkaller login: [ 97.891985][ T9489] IPVS: ftp: loaded support on port[0] = 21 [ 97.957228][ T9489] chnl_net:caif_netlink_parms(): no params data found [ 97.991194][ T9489] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.998633][ T9489] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.006563][ T9489] device bridge_slave_0 entered promiscuous mode [ 98.015085][ T9489] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.022428][ T9489] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.030435][ T9489] device bridge_slave_1 entered promiscuous mode [ 98.047445][ T9489] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 98.059141][ T9489] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 98.078730][ T9489] team0: Port device team_slave_0 added [ 98.086683][ T9489] team0: Port device team_slave_1 added [ 98.151143][ T9489] device hsr_slave_0 entered promiscuous mode [ 98.219452][ T9489] device hsr_slave_1 entered promiscuous mode [ 98.324456][ T9489] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.371793][ T9489] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.412720][ T9489] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.471934][ T9489] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.540969][ T9489] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.548096][ T9489] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.556018][ T9489] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.563147][ T9489] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.605256][ T9489] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.618788][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.628785][ T2987] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.637298][ T2987] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.645415][ T2987] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 98.658406][ T9489] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.669163][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.677786][ T3196] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.684910][ T3196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.698094][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.707589][ T2733] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.714875][ T2733] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.732685][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.741571][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.755123][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.767758][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.780201][ T9489] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 98.792718][ T9489] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.800733][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.819806][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.827363][ T2864] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.840078][ T9489] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.858301][ T2733] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 98.878281][ T9489] device veth0_vlan entered promiscuous mode [ 98.886499][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 98.894998][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 98.902760][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 98.915767][ T9489] device veth1_vlan entered promiscuous mode [ 98.950824][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 98.960007][ T3197] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 99.050340][ T9493] kasan: CONFIG_KASAN_INLINE enabled [ 99.055962][ T9493] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 99.064103][ T9493] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 99.071059][ T9493] CPU: 0 PID: 9493 Comm: syz-executor.0 Not tainted 5.5.0-rc4-syzkaller #0 [ 99.079655][ T9493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.089710][ T9493] RIP: 0010:hash_ipport4_uadt+0x1f6/0xc20 [ 99.095433][ T9493] 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 [ 99.115031][ T9493] RSP: 0018:ffffc90001e27170 EFLAGS: 00010246 [ 99.121099][ T9493] RAX: dffffc0000000000 RBX: ffffc90001e27320 RCX: 0000000000000000 [ 99.129063][ T9493] RDX: 0000000000000000 RSI: ffffffff867c3963 RDI: ffff8880948a8844 [ 99.137051][ T9493] RBP: ffffc90001e272b8 R08: 0000000000000000 R09: 0000000000000000 [ 99.145115][ T9493] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffffc90001e27220 [ 99.153073][ T9493] R13: 0000000000000000 R14: 0000000001040000 R15: ffff88809f3f6e00 [ 99.161087][ T9493] FS: 00007f11d3959700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 99.170125][ T9493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.176847][ T9493] CR2: 0000000000000000 CR3: 00000000a2fe0000 CR4: 00000000001406f0 [ 99.184829][ T9493] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.192804][ T9493] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.200765][ T9493] Call Trace: [ 99.204052][ T9493] ? mark_held_locks+0xf0/0xf0 [ 99.208821][ T9493] ? hash_ipport_create+0xa60/0xa60 [ 99.214025][ T9493] ? hash_ipport6_kadt+0x4c0/0x4c0 [ 99.219124][ T9493] ? nla_memcpy+0xb0/0xb0 [ 99.223437][ T9493] ? ip_set_utest+0x4aa/0x890 [ 99.228099][ T9493] ? __kasan_check_read+0x11/0x20 [ 99.233109][ T9493] ip_set_utest+0x55b/0x890 [ 99.237595][ T9493] ? ip_set_put_byindex+0x490/0x490 [ 99.242785][ T9493] ? __mutex_lock+0x458/0x13c0 [ 99.247545][ T9493] ? ip_set_put_byindex+0x490/0x490 [ 99.252731][ T9493] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 99.257668][ T9493] ? nfnetlink_bind+0x2c0/0x2c0 [ 99.262510][ T9493] ? find_held_lock+0x35/0x130 [ 99.267273][ T9493] ? __local_bh_enable_ip+0x15a/0x270 [ 99.272640][ T9493] ? __dev_queue_xmit+0x175c/0x35c0 [ 99.277840][ T9493] ? __local_bh_enable_ip+0x15a/0x270 [ 99.283204][ T9493] ? lockdep_hardirqs_on+0x421/0x5e0 [ 99.288849][ T9493] ? __dev_queue_xmit+0x172e/0x35c0 [ 99.294056][ T9493] ? trace_hardirqs_on+0x67/0x240 [ 99.299678][ T9493] ? __dev_queue_xmit+0x172e/0x35c0 [ 99.304863][ T9493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.311102][ T9493] ? apparmor_capable+0x497/0x900 [ 99.316110][ T9493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.322338][ T9493] ? __kasan_check_read+0x11/0x20 [ 99.327519][ T9493] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 99.332969][ T9493] netlink_rcv_skb+0x177/0x450 [ 99.337733][ T9493] ? nfnetlink_bind+0x2c0/0x2c0 [ 99.342587][ T9493] ? netlink_ack+0xb50/0xb50 [ 99.347547][ T9493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.353797][ T9493] ? ns_capable_common+0x93/0x100 [ 99.358825][ T9493] ? ns_capable+0x20/0x30 [ 99.363141][ T9493] ? __netlink_ns_capable+0x104/0x140 [ 99.368501][ T9493] nfnetlink_rcv+0x1ba/0x460 [ 99.373515][ T9493] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 99.378963][ T9493] ? netlink_deliver_tap+0x24a/0xbe0 [ 99.384239][ T9493] netlink_unicast+0x58c/0x7d0 [ 99.389003][ T9493] ? netlink_attachskb+0x870/0x870 [ 99.394122][ T9493] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 99.399834][ T9493] ? __check_object_size+0x3d/0x437 [ 99.405050][ T9493] netlink_sendmsg+0x91c/0xea0 [ 99.409814][ T9493] ? netlink_unicast+0x7d0/0x7d0 [ 99.414856][ T9493] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 99.420385][ T9493] ? apparmor_socket_sendmsg+0x2a/0x30 [ 99.425828][ T9493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.432056][ T9493] ? security_socket_sendmsg+0x8d/0xc0 [ 99.437496][ T9493] ? netlink_unicast+0x7d0/0x7d0 [ 99.442534][ T9493] sock_sendmsg+0xd7/0x130 [ 99.446932][ T9493] ____sys_sendmsg+0x753/0x880 [ 99.451695][ T9493] ? kernel_sendmsg+0x50/0x50 [ 99.456364][ T9493] ? __fget+0x35d/0x550 [ 99.460501][ T9493] ? find_held_lock+0x35/0x130 [ 99.465247][ T9493] ___sys_sendmsg+0x100/0x170 [ 99.469914][ T9493] ? sendmsg_copy_msghdr+0x70/0x70 [ 99.475023][ T9493] ? __kasan_check_read+0x11/0x20 [ 99.480076][ T9493] ? __fget+0x37f/0x550 [ 99.484221][ T9493] ? ksys_dup3+0x3e0/0x3e0 [ 99.488627][ T9493] ? __fget_light+0x1a9/0x230 [ 99.493316][ T9493] ? __fdget+0x1b/0x20 [ 99.497404][ T9493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 99.503645][ T9493] __sys_sendmsg+0x105/0x1d0 [ 99.508237][ T9493] ? __sys_sendmsg_sock+0xc0/0xc0 [ 99.513247][ T9493] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 99.518686][ T9493] ? do_syscall_64+0x26/0x790 [ 99.523344][ T9493] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.529433][ T9493] ? do_syscall_64+0x26/0x790 [ 99.534097][ T9493] __x64_sys_sendmsg+0x78/0xb0 [ 99.538958][ T9493] do_syscall_64+0xfa/0x790 [ 99.543471][ T9493] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.549483][ T9493] RIP: 0033:0x45af49 [ 99.553363][ T9493] 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 [ 99.573127][ T9493] RSP: 002b:00007f11d3958c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 99.581523][ T9493] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045af49 [ 99.589539][ T9493] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 000000000000000a [ 99.597498][ T9493] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 99.605464][ T9493] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f11d39596d4 [ 99.613436][ T9493] R13: 00000000004c9e62 R14: 00000000004e2e98 R15: 00000000ffffffff [ 99.621390][ T9493] Modules linked in: [ 99.625313][ T9493] ---[ end trace a4b05e9580c1978a ]--- [ 99.630793][ T9493] RIP: 0010:hash_ipport4_uadt+0x1f6/0xc20 [ 99.636502][ T9493] 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 [ 99.656542][ T9493] RSP: 0018:ffffc90001e27170 EFLAGS: 00010246 [ 99.662631][ T9493] RAX: dffffc0000000000 RBX: ffffc90001e27320 RCX: 0000000000000000 [ 99.670742][ T9493] RDX: 0000000000000000 RSI: ffffffff867c3963 RDI: ffff8880948a8844 [ 99.678773][ T9493] RBP: ffffc90001e272b8 R08: 0000000000000000 R09: 0000000000000000 [ 99.686781][ T9493] R10: ffffed1015d0703c R11: ffff8880ae8381e3 R12: ffffc90001e27220 [ 99.694783][ T9493] R13: 0000000000000000 R14: 0000000001040000 R15: ffff88809f3f6e00 [ 99.702779][ T9493] FS: 00007f11d3959700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 99.711734][ T9493] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.718301][ T9493] CR2: 0000000000000000 CR3: 00000000a2fe0000 CR4: 00000000001406f0 [ 99.726302][ T9493] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.734299][ T9493] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.742299][ T9493] Kernel panic - not syncing: Fatal exception in interrupt [ 99.750875][ T9493] Kernel Offset: disabled [ 99.755201][ T9493] Rebooting in 86400 seconds..