[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.298037][ T26] audit: type=1800 audit(1568900479.390:25): pid=8693 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.337286][ T26] audit: type=1800 audit(1568900479.390:26): pid=8693 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.391786][ T26] audit: type=1800 audit(1568900479.390:27): pid=8693 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 '10.128.0.232' (ECDSA) to the list of known hosts. 2019/09/19 13:41:29 parsed 1 programs 2019/09/19 13:41:31 executed programs: 0 syzkaller login: [ 70.490312][ T8861] IPVS: ftp: loaded support on port[0] = 21 [ 70.555031][ T8861] chnl_net:caif_netlink_parms(): no params data found [ 70.584214][ T8861] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.591910][ T8861] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.599861][ T8861] device bridge_slave_0 entered promiscuous mode [ 70.608177][ T8861] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.615293][ T8861] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.623170][ T8861] device bridge_slave_1 entered promiscuous mode [ 70.640464][ T8861] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.651642][ T8861] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.670582][ T8861] team0: Port device team_slave_0 added [ 70.677659][ T8861] team0: Port device team_slave_1 added [ 70.749973][ T8861] device hsr_slave_0 entered promiscuous mode [ 70.817534][ T8861] device hsr_slave_1 entered promiscuous mode [ 70.864774][ T8861] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.872120][ T8861] bridge0: port 2(bridge_slave_1) entered forwarding state [ 70.880031][ T8861] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.887089][ T8861] bridge0: port 1(bridge_slave_0) entered forwarding state [ 70.921508][ T8861] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.932840][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 70.953495][ T3009] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.962907][ T3009] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.972669][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 70.985624][ T8861] 8021q: adding VLAN 0 to HW filter on device team0 [ 70.996703][ T3004] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.005577][ T3004] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.012697][ T3004] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.036691][ T8861] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 71.048760][ T8861] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 71.061127][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.070186][ T3009] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.077337][ T3009] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.085412][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.094581][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.103108][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.111694][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 71.120102][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 71.128091][ T3009] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.144867][ T8861] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 71.295183][ T8872] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.308748][ T8872] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.340623][ T8876] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.356863][ T8876] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.390749][ T8882] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.401986][ T8882] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.429137][ T8886] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.440273][ T8886] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.470202][ T8892] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 71.481568][ T8892] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 72.009897][ T8973] ------------[ cut here ]------------ [ 72.016055][ T8973] WARNING: CPU: 0 PID: 8973 at net/xfrm/xfrm_policy.c:1543 xfrm_policy_insert_list.cold+0x11/0x90 [ 72.026983][ T8973] Kernel panic - not syncing: panic_on_warn set ... [ 72.033581][ T8973] CPU: 0 PID: 8973 Comm: syz-executor.0 Not tainted 5.3.0+ #0 [ 72.041035][ T8973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.051082][ T8973] Call Trace: [ 72.054381][ T8973] dump_stack+0x172/0x1f0 [ 72.058789][ T8973] ? __xfrm_sk_clone_policy+0xae0/0xae0 [ 72.064388][ T8973] panic+0x2dc/0x755 [ 72.068275][ T8973] ? add_taint.cold+0x16/0x16 [ 72.072946][ T8973] ? __kasan_check_write+0x14/0x20 [ 72.078351][ T8973] ? __warn.cold+0x5/0x4c [ 72.082686][ T8973] ? __warn+0xe7/0x1e0 [ 72.086752][ T8973] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 72.092660][ T8973] __warn.cold+0x20/0x4c [ 72.096957][ T8973] ? wake_up_klogd+0x99/0xd0 [ 72.101547][ T8973] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 72.107430][ T8973] report_bug+0x263/0x2b0 [ 72.111751][ T8973] do_error_trap+0x11b/0x200 [ 72.116338][ T8973] do_invalid_op+0x37/0x50 [ 72.120759][ T8973] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 72.126653][ T8973] invalid_op+0x23/0x30 [ 72.130801][ T8973] RIP: 0010:xfrm_policy_insert_list.cold+0x11/0x90 [ 72.137317][ T8973] Code: 27 78 fb e9 67 fa ff ff 88 55 c0 e8 99 27 78 fb 0f b6 55 c0 e9 83 fa ff ff e8 4b e5 3d fb 48 c7 c7 e0 15 53 88 e8 53 6a 27 fb <0f> 0b 48 8b 45 b8 42 0f b6 14 20 48 8b 45 d0 83 e0 07 83 c0 03 38 [ 72.156933][ T8973] RSP: 0018:ffff88808639f3a0 EFLAGS: 00010282 [ 72.162988][ T8973] RAX: 0000000000000024 RBX: ffff88809603f240 RCX: 0000000000000000 [ 72.170980][ T8973] RDX: 0000000000000000 RSI: ffffffff815c26d6 RDI: ffffed1010c73e66 [ 72.179111][ T8973] RBP: ffff88808639f420 R08: 0000000000000024 R09: ffffed1015d060d1 [ 72.187187][ T8973] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: dffffc0000000000 [ 72.195364][ T8973] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88808682b200 [ 72.203353][ T8973] ? vprintk_func+0x86/0x189 [ 72.207977][ T8973] xfrm_policy_inexact_insert+0xec/0x1000 [ 72.213697][ T8973] ? lock_acquire+0x190/0x410 [ 72.218536][ T8973] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 72.224605][ T8973] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 72.230386][ T8973] xfrm_policy_insert+0x530/0x750 [ 72.235419][ T8973] xfrm_add_policy+0x28f/0x530 [ 72.240200][ T8973] ? xfrm_policy_construct+0x680/0x680 [ 72.245678][ T8973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.252050][ T8973] ? ns_capable_common+0x93/0x100 [ 72.257073][ T8973] ? __nla_parse+0x43/0x60 [ 72.261488][ T8973] ? xfrm_policy_construct+0x680/0x680 [ 72.266994][ T8973] xfrm_user_rcv_msg+0x459/0x770 [ 72.271943][ T8973] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 72.277660][ T8973] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 72.283648][ T8973] ? __mutex_lock+0x45d/0x13c0 [ 72.288421][ T8973] ? netlink_deliver_tap+0x22d/0xbf0 [ 72.293712][ T8973] ? xfrm_netlink_rcv+0x61/0x90 [ 72.298568][ T8973] netlink_rcv_skb+0x177/0x450 [ 72.303326][ T8973] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 72.309213][ T8973] ? netlink_ack+0xb30/0xb30 [ 72.313799][ T8973] xfrm_netlink_rcv+0x70/0x90 [ 72.318485][ T8973] netlink_unicast+0x531/0x710 [ 72.323252][ T8973] ? netlink_attachskb+0x7c0/0x7c0 [ 72.328356][ T8973] ? _copy_from_iter_full+0x25d/0x8a0 [ 72.333889][ T8973] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 72.339597][ T8973] ? __check_object_size+0x3d/0x437 [ 72.345220][ T8973] netlink_sendmsg+0x8a5/0xd60 [ 72.350110][ T8973] ? netlink_unicast+0x710/0x710 [ 72.355039][ T8973] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 72.360601][ T8973] ? apparmor_socket_sendmsg+0x2a/0x30 [ 72.366058][ T8973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.372296][ T8973] ? security_socket_sendmsg+0x8d/0xc0 [ 72.377746][ T8973] ? netlink_unicast+0x710/0x710 [ 72.382672][ T8973] sock_sendmsg+0xd7/0x130 [ 72.387077][ T8973] ___sys_sendmsg+0x803/0x920 [ 72.391741][ T8973] ? copy_msghdr_from_user+0x440/0x440 [ 72.397209][ T8973] ? __kasan_check_read+0x11/0x20 [ 72.402239][ T8973] ? __fget+0x384/0x560 [ 72.406386][ T8973] ? ksys_dup3+0x3e0/0x3e0 [ 72.410797][ T8973] ? __fget_light+0x1a9/0x230 [ 72.415463][ T8973] ? __fdget+0x1b/0x20 [ 72.419614][ T8973] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 72.425847][ T8973] __sys_sendmsg+0x105/0x1d0 [ 72.430435][ T8973] ? __sys_sendmsg_sock+0xd0/0xd0 [ 72.435458][ T8973] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 72.440914][ T8973] ? do_syscall_64+0x26/0x760 [ 72.445579][ T8973] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.451630][ T8973] ? do_syscall_64+0x26/0x760 [ 72.456389][ T8973] __x64_sys_sendmsg+0x78/0xb0 [ 72.461157][ T8973] do_syscall_64+0xfa/0x760 [ 72.465666][ T8973] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.471545][ T8973] RIP: 0033:0x4598e9 [ 72.475441][ T8973] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.495128][ T8973] RSP: 002b:00007fa6fbfd9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 72.503530][ T8973] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 [ 72.511585][ T8973] RDX: 0000000000000000 RSI: 000000002014f000 RDI: 0000000000000004 [ 72.519564][ T8973] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 72.527525][ T8973] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa6fbfda6d4 [ 72.535495][ T8973] R13: 00000000004c7812 R14: 00000000004dd1e8 R15: 00000000ffffffff [ 72.545161][ T8973] Kernel Offset: disabled [ 72.549575][ T8973] Rebooting in 86400 seconds..