[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.792337][ T26] audit: type=1800 audit(1568547482.096:25): pid=8536 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 53.831438][ T26] audit: type=1800 audit(1568547482.096:26): pid=8536 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 53.884939][ T26] audit: type=1800 audit(1568547482.096:27): pid=8536 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 '10.128.0.108' (ECDSA) to the list of known hosts. 2019/09/15 11:38:11 parsed 1 programs syzkaller login: [ 64.666641][ T8701] ld (8701) used greatest stack depth: 23352 bytes left 2019/09/15 11:38:13 executed programs: 0 [ 64.840317][ T8704] IPVS: ftp: loaded support on port[0] = 21 [ 64.902289][ T8704] chnl_net:caif_netlink_parms(): no params data found [ 64.928490][ T8704] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.937001][ T8704] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.944745][ T8704] device bridge_slave_0 entered promiscuous mode [ 64.953026][ T8704] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.960210][ T8704] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.968228][ T8704] device bridge_slave_1 entered promiscuous mode [ 64.985634][ T8704] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.996222][ T8704] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.015658][ T8704] team0: Port device team_slave_0 added [ 65.023317][ T8704] team0: Port device team_slave_1 added [ 65.103320][ T8704] device hsr_slave_0 entered promiscuous mode [ 65.152103][ T8704] device hsr_slave_1 entered promiscuous mode [ 65.208908][ T8704] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.216264][ T8704] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.224531][ T8704] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.231627][ T8704] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.264605][ T8704] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.276551][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.287166][ T3014] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.295571][ T3014] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.303559][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 65.315858][ T8704] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.326024][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.334947][ T3516] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.342319][ T3516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.363168][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.372561][ T3014] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.379796][ T3014] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.387945][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.396738][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.405893][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.414976][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.425625][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.436628][ T8704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.454606][ T8704] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 65.527226][ T8715] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 65.540291][ T8715] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 65.569791][ T8719] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 65.579521][ T8719] ------------[ cut here ]------------ [ 65.585579][ T8719] WARNING: CPU: 1 PID: 8719 at net/xfrm/xfrm_policy.c:1541 xfrm_policy_insert_list.cold+0x11/0x90 [ 65.596275][ T8719] Kernel panic - not syncing: panic_on_warn set ... [ 65.602855][ T8719] CPU: 1 PID: 8719 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0 [ 65.610643][ T8719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.620693][ T8719] Call Trace: [ 65.623981][ T8719] dump_stack+0x172/0x1f0 [ 65.628307][ T8719] ? __xfrm_sk_clone_policy+0xab0/0xae0 [ 65.633845][ T8719] panic+0x2dc/0x755 [ 65.637734][ T8719] ? add_taint.cold+0x16/0x16 [ 65.642415][ T8719] ? __kasan_check_write+0x14/0x20 [ 65.647519][ T8719] ? __warn.cold+0x5/0x4c [ 65.651850][ T8719] ? __warn+0xe7/0x1e0 [ 65.655913][ T8719] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 65.661809][ T8719] __warn.cold+0x20/0x4c [ 65.666046][ T8719] ? wake_up_klogd+0x99/0xd0 [ 65.670630][ T8719] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 65.676519][ T8719] report_bug+0x263/0x2b0 [ 65.680856][ T8719] do_error_trap+0x11b/0x200 [ 65.685446][ T8719] do_invalid_op+0x37/0x50 [ 65.689857][ T8719] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 65.695878][ T8719] invalid_op+0x23/0x30 [ 65.700026][ T8719] RIP: 0010:xfrm_policy_insert_list.cold+0x11/0x90 [ 65.706519][ T8719] Code: af 79 fb e9 67 fa ff ff 88 55 c0 e8 e9 af 79 fb 0f b6 55 c0 e9 83 fa ff ff e8 1b 80 3f fb 48 c7 c7 60 27 52 88 e8 63 1f 29 fb <0f> 0b 48 8b 45 b8 42 0f b6 14 20 48 8b 45 d0 83 e0 07 83 c0 03 38 [ 65.726116][ T8719] RSP: 0018:ffff8880a7d373a0 EFLAGS: 00010282 [ 65.732170][ T8719] RAX: 0000000000000024 RBX: ffff8880a5ceed80 RCX: 0000000000000000 [ 65.740260][ T8719] RDX: 0000000000000000 RSI: ffffffff815c26f6 RDI: ffffed1014fa6e66 [ 65.748226][ T8719] RBP: ffff8880a7d37420 R08: 0000000000000024 R09: fffffbfff14e9757 [ 65.756191][ T8719] R10: fffffbfff14e9756 R11: ffffffff8a74bab7 R12: dffffc0000000000 [ 65.764246][ T8719] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880a1077b40 [ 65.772223][ T8719] ? vprintk_func+0x86/0x189 [ 65.776820][ T8719] xfrm_policy_inexact_insert+0xec/0x1000 [ 65.782565][ T8719] ? lock_acquire+0x190/0x410 [ 65.787240][ T8719] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 65.793260][ T8719] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 65.798985][ T8719] xfrm_policy_insert+0x530/0x750 [ 65.804005][ T8719] xfrm_add_policy+0x28f/0x530 [ 65.808773][ T8719] ? xfrm_policy_construct+0x680/0x680 [ 65.814406][ T8719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.820643][ T8719] ? ns_capable_common+0x93/0x100 [ 65.825740][ T8719] ? __nla_parse+0x43/0x60 [ 65.830151][ T8719] ? xfrm_policy_construct+0x680/0x680 [ 65.835607][ T8719] xfrm_user_rcv_msg+0x459/0x770 [ 65.840661][ T8719] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 65.846574][ T8719] ? __mutex_lock+0x45d/0x13c0 [ 65.851479][ T8719] ? netlink_deliver_tap+0x22d/0xbf0 [ 65.856755][ T8719] ? xfrm_netlink_rcv+0x61/0x90 [ 65.861787][ T8719] netlink_rcv_skb+0x177/0x450 [ 65.866556][ T8719] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 65.872511][ T8719] ? netlink_ack+0xb30/0xb30 [ 65.877248][ T8719] xfrm_netlink_rcv+0x70/0x90 [ 65.881925][ T8719] netlink_unicast+0x531/0x710 [ 65.886690][ T8719] ? netlink_attachskb+0x7c0/0x7c0 [ 65.891816][ T8719] ? _copy_from_iter_full+0x25d/0x8a0 [ 65.897272][ T8719] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 65.903169][ T8719] ? __check_object_size+0x3d/0x437 [ 65.908375][ T8719] netlink_sendmsg+0x8a5/0xd60 [ 65.913161][ T8719] ? netlink_unicast+0x710/0x710 [ 65.918101][ T8719] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 65.923648][ T8719] ? apparmor_socket_sendmsg+0x2a/0x30 [ 65.929107][ T8719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.935341][ T8719] ? security_socket_sendmsg+0x8d/0xc0 [ 65.940794][ T8719] ? netlink_unicast+0x710/0x710 [ 65.945728][ T8719] sock_sendmsg+0xd7/0x130 [ 65.950138][ T8719] ___sys_sendmsg+0x803/0x920 [ 65.954810][ T8719] ? copy_msghdr_from_user+0x440/0x440 [ 65.960270][ T8719] ? __kasan_check_read+0x11/0x20 [ 65.965295][ T8719] ? __fget+0x384/0x560 [ 65.969447][ T8719] ? ksys_dup3+0x3e0/0x3e0 [ 65.973862][ T8719] ? __fget_light+0x1a9/0x230 [ 65.978537][ T8719] ? __fdget+0x1b/0x20 [ 65.982597][ T8719] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 65.988836][ T8719] __sys_sendmsg+0x105/0x1d0 [ 65.993507][ T8719] ? __sys_sendmsg_sock+0xd0/0xd0 [ 65.998542][ T8719] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 66.004111][ T8719] ? do_syscall_64+0x26/0x6a0 [ 66.008784][ T8719] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.014847][ T8719] ? do_syscall_64+0x26/0x6a0 [ 66.019525][ T8719] __x64_sys_sendmsg+0x78/0xb0 [ 66.024360][ T8719] do_syscall_64+0xfd/0x6a0 [ 66.028860][ T8719] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.034750][ T8719] RIP: 0033:0x4598e9 [ 66.038641][ T8719] 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 [ 66.058475][ T8719] RSP: 002b:00007f64348b6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.066906][ T8719] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 [ 66.074882][ T8719] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 66.082853][ T8719] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 66.090904][ T8719] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f64348b76d4 [ 66.098873][ T8719] R13: 00000000004c7812 R14: 00000000004dd0b0 R15: 00000000ffffffff [ 66.107782][ T8719] Kernel Offset: disabled [ 66.112179][ T8719] Rebooting in 86400 seconds..