[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 58.821855][ T25] audit: type=1800 audit(1568946236.302:25): pid=8750 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 58.867580][ T25] audit: type=1800 audit(1568946236.302:26): pid=8750 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 58.909565][ T25] audit: type=1800 audit(1568946236.302:27): pid=8750 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 '10.128.0.93' (ECDSA) to the list of known hosts. 2019/09/20 02:24:10 parsed 1 programs 2019/09/20 02:24:12 executed programs: 0 syzkaller login: [ 74.822333][ T8917] IPVS: ftp: loaded support on port[0] = 21 [ 74.884837][ T8917] chnl_net:caif_netlink_parms(): no params data found [ 74.915148][ T8917] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.923216][ T8917] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.931666][ T8917] device bridge_slave_0 entered promiscuous mode [ 74.939645][ T8917] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.946839][ T8917] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.954872][ T8917] device bridge_slave_1 entered promiscuous mode [ 74.972192][ T8917] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.982989][ T8917] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.001431][ T8917] team0: Port device team_slave_0 added [ 75.008571][ T8917] team0: Port device team_slave_1 added [ 75.092139][ T8917] device hsr_slave_0 entered promiscuous mode [ 75.170370][ T8917] device hsr_slave_1 entered promiscuous mode [ 75.229077][ T8917] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.236734][ T8917] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.245004][ T8917] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.252174][ T8917] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.287618][ T8917] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.303385][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.315111][ T3010] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.323755][ T3010] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.332470][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.344662][ T8917] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.355562][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.364905][ T2972] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.372203][ T2972] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.383122][ T3010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.391821][ T3010] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.398882][ T3010] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.422472][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.431940][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.440726][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.448830][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.457701][ T2972] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.467826][ T8917] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.484853][ T8917] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.611804][ T8929] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.623627][ T8929] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.656476][ T8933] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.668512][ T8933] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.696528][ T8937] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.708187][ T8937] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.738294][ T8942] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.752252][ T8942] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.782179][ T8947] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 75.793586][ T8947] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 76.997829][ T9137] ------------[ cut here ]------------ [ 77.004076][ T9137] WARNING: CPU: 0 PID: 9137 at net/xfrm/xfrm_policy.c:1543 xfrm_policy_insert_list.cold+0x11/0x90 [ 77.015064][ T9137] Kernel panic - not syncing: panic_on_warn set ... [ 77.021861][ T9137] CPU: 0 PID: 9137 Comm: syz-executor.0 Not tainted 5.3.0+ #0 [ 77.029419][ T9137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.039916][ T9137] Call Trace: [ 77.043779][ T9137] dump_stack+0x172/0x1f0 [ 77.051485][ T9137] ? __xfrm_sk_clone_policy+0xae0/0xae0 [ 77.057941][ T9137] panic+0x2dc/0x755 [ 77.061831][ T9137] ? add_taint.cold+0x16/0x16 [ 77.066593][ T9137] ? __kasan_check_write+0x14/0x20 [ 77.071953][ T9137] ? __warn.cold+0x5/0x4c [ 77.076261][ T9137] ? __warn+0xe7/0x1e0 [ 77.080750][ T9137] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 77.088058][ T9137] __warn.cold+0x20/0x4c [ 77.092598][ T9137] ? wake_up_klogd+0x99/0xd0 [ 77.097645][ T9137] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 77.105806][ T9137] report_bug+0x263/0x2b0 [ 77.112593][ T9137] do_error_trap+0x11b/0x200 [ 77.118360][ T9137] do_invalid_op+0x37/0x50 [ 77.123563][ T9137] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 77.129797][ T9137] invalid_op+0x23/0x30 [ 77.134124][ T9137] RIP: 0010:xfrm_policy_insert_list.cold+0x11/0x90 [ 77.140898][ T9137] Code: 10 78 fb e9 67 fa ff ff 88 55 c0 e8 79 11 78 fb 0f b6 55 c0 e9 83 fa ff ff e8 8b c6 3d fb 48 c7 c7 a0 1b 53 88 e8 53 4a 27 fb <0f> 0b 48 8b 45 b8 42 0f b6 14 20 48 8b 45 d0 83 e0 07 83 c0 03 38 [ 77.162754][ T9137] RSP: 0018:ffff888097fbf3a0 EFLAGS: 00010282 [ 77.168912][ T9137] RAX: 0000000000000024 RBX: ffff888088328900 RCX: 0000000000000000 [ 77.176882][ T9137] RDX: 0000000000000000 RSI: ffffffff815c26d6 RDI: ffffed1012ff7e66 [ 77.185393][ T9137] RBP: ffff888097fbf420 R08: 0000000000000024 R09: ffffed1015d060d1 [ 77.193927][ T9137] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: dffffc0000000000 [ 77.202965][ T9137] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888086fd0040 [ 77.211949][ T9137] ? vprintk_func+0x86/0x189 [ 77.217135][ T9137] xfrm_policy_inexact_insert+0xec/0x1000 [ 77.223157][ T9137] ? lock_acquire+0x190/0x410 [ 77.228609][ T9137] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 77.235080][ T9137] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 77.240903][ T9137] xfrm_policy_insert+0x530/0x750 [ 77.247239][ T9137] xfrm_add_policy+0x28f/0x530 [ 77.253160][ T9137] ? xfrm_policy_construct+0x680/0x680 [ 77.259039][ T9137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.265363][ T9137] ? ns_capable_common+0x93/0x100 [ 77.270477][ T9137] ? __nla_parse+0x43/0x60 [ 77.274908][ T9137] ? xfrm_policy_construct+0x680/0x680 [ 77.280581][ T9137] xfrm_user_rcv_msg+0x459/0x770 [ 77.285977][ T9137] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 77.291805][ T9137] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 77.298232][ T9137] ? __mutex_lock+0x45d/0x13c0 [ 77.303781][ T9137] ? netlink_deliver_tap+0x22d/0xbf0 [ 77.310502][ T9137] ? xfrm_netlink_rcv+0x61/0x90 [ 77.315630][ T9137] netlink_rcv_skb+0x177/0x450 [ 77.320402][ T9137] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 77.326113][ T9137] ? netlink_ack+0xb30/0xb30 [ 77.330705][ T9137] xfrm_netlink_rcv+0x70/0x90 [ 77.336019][ T9137] netlink_unicast+0x531/0x710 [ 77.341329][ T9137] ? netlink_attachskb+0x7c0/0x7c0 [ 77.347027][ T9137] ? _copy_from_iter_full+0x25d/0x8a0 [ 77.353040][ T9137] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.359882][ T9137] ? __check_object_size+0x3d/0x437 [ 77.365484][ T9137] netlink_sendmsg+0x8a5/0xd60 [ 77.370475][ T9137] ? netlink_unicast+0x710/0x710 [ 77.375488][ T9137] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 77.381640][ T9137] ? apparmor_socket_sendmsg+0x2a/0x30 [ 77.387751][ T9137] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.395670][ T9137] ? security_socket_sendmsg+0x8d/0xc0 [ 77.401527][ T9137] ? netlink_unicast+0x710/0x710 [ 77.408454][ T9137] sock_sendmsg+0xd7/0x130 [ 77.414553][ T9137] ___sys_sendmsg+0x803/0x920 [ 77.420221][ T9137] ? copy_msghdr_from_user+0x440/0x440 [ 77.426006][ T9137] ? __kasan_check_read+0x11/0x20 [ 77.431814][ T9137] ? __fget+0x384/0x560 [ 77.436160][ T9137] ? ksys_dup3+0x3e0/0x3e0 [ 77.440574][ T9137] ? __fget_light+0x1a9/0x230 [ 77.445459][ T9137] ? __fdget+0x1b/0x20 [ 77.450507][ T9137] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.457166][ T9137] __sys_sendmsg+0x105/0x1d0 [ 77.462059][ T9137] ? __sys_sendmsg_sock+0xd0/0xd0 [ 77.467097][ T9137] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 77.472764][ T9137] ? do_syscall_64+0x26/0x760 [ 77.477656][ T9137] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.483810][ T9137] ? do_syscall_64+0x26/0x760 [ 77.488478][ T9137] __x64_sys_sendmsg+0x78/0xb0 [ 77.493228][ T9137] do_syscall_64+0xfa/0x760 [ 77.497715][ T9137] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.504340][ T9137] RIP: 0033:0x459a09 [ 77.508451][ T9137] 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 [ 77.528828][ T9137] RSP: 002b:00007ffa86665c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.537642][ T9137] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09 [ 77.546401][ T9137] RDX: 0000000000000000 RSI: 000000002014f000 RDI: 0000000000000004 [ 77.554669][ T9137] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 77.563086][ T9137] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffa866666d4 [ 77.571627][ T9137] R13: 00000000004c794a R14: 00000000004dd340 R15: 00000000ffffffff [ 77.580977][ T9137] Kernel Offset: disabled [ 77.585493][ T9137] Rebooting in 86400 seconds..