[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 67.668462][ T26] audit: type=1800 audit(1568455516.854:33): pid=10143 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 72.247988][ T26] kauditd_printk_skb: 1 callbacks suppressed [ 72.248000][ T26] audit: type=1400 audit(1568455521.434:35): avc: denied { map } for pid=10320 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts. 2019/09/14 10:05:27 parsed 1 programs [ 78.585569][ T26] audit: type=1400 audit(1568455527.764:36): avc: denied { map } for pid=10332 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 78.647313][ T26] audit: type=1400 audit(1568455527.834:37): avc: denied { map } for pid=10332 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=1162 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/09/14 10:05:29 executed programs: 0 [ 80.391147][T10349] IPVS: ftp: loaded support on port[0] = 21 [ 80.437086][T10349] chnl_net:caif_netlink_parms(): no params data found [ 80.458997][T10349] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.466195][T10349] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.474185][T10349] device bridge_slave_0 entered promiscuous mode [ 80.481458][T10349] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.488556][T10349] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.495982][T10349] device bridge_slave_1 entered promiscuous mode [ 80.510208][T10349] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.520408][T10349] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.535890][T10349] team0: Port device team_slave_0 added [ 80.543487][T10349] team0: Port device team_slave_1 added [ 80.598696][T10349] device hsr_slave_0 entered promiscuous mode [ 80.656788][T10349] device hsr_slave_1 entered promiscuous mode [ 80.701929][T10349] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.709016][T10349] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.716270][T10349] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.723332][T10349] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.747707][T10349] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.758744][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.767090][ T3024] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.774541][ T3024] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.782891][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 80.792665][T10349] 8021q: adding VLAN 0 to HW filter on device team0 [ 80.801664][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 80.809943][ T3516] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.816995][ T3516] bridge0: port 1(bridge_slave_0) entered forwarding state [ 80.826164][ T3024] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 80.834869][ T3024] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.841936][ T3024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 80.859955][T10349] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 80.870449][T10349] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 80.882539][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 80.891091][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 80.899329][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 80.907400][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 80.915451][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 80.922982][ T3516] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 80.937118][T10349] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 80.965987][ T26] audit: type=1400 audit(1568455530.144:38): avc: denied { associate } for pid=10349 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 81.008824][T10360] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 81.020806][T10360] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 81.045370][T10365] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 81.055173][T10365] ------------[ cut here ]------------ [ 81.061028][T10365] WARNING: CPU: 1 PID: 10365 at net/xfrm/xfrm_policy.c:1541 xfrm_policy_insert_list.cold+0x11/0x90 [ 81.071679][T10365] Kernel panic - not syncing: panic_on_warn set ... [ 81.078346][T10365] CPU: 1 PID: 10365 Comm: syz-executor.0 Not tainted 5.3.0-rc8+ #0 [ 81.086205][T10365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.096251][T10365] Call Trace: [ 81.099525][T10365] dump_stack+0x172/0x1f0 [ 81.103844][T10365] ? __xfrm_sk_clone_policy+0xa70/0xae0 [ 81.109378][T10365] panic+0x2dc/0x755 [ 81.113251][T10365] ? add_taint.cold+0x16/0x16 [ 81.117915][T10365] ? __kasan_check_write+0x14/0x20 [ 81.123002][T10365] ? __warn.cold+0x5/0x4c [ 81.127309][T10365] ? __warn+0xe7/0x1e0 [ 81.131357][T10365] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 81.137264][T10365] __warn.cold+0x20/0x4c [ 81.141495][T10365] ? wake_up_klogd+0x99/0xd0 [ 81.146079][T10365] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 81.151969][T10365] report_bug+0x263/0x2b0 [ 81.156303][T10365] do_error_trap+0x11b/0x200 [ 81.160888][T10365] do_invalid_op+0x37/0x50 [ 81.165295][T10365] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 81.171166][T10365] invalid_op+0x23/0x30 [ 81.175301][T10365] RIP: 0010:xfrm_policy_insert_list.cold+0x11/0x90 [ 81.181780][T10365] Code: 31 7b fb e9 67 fa ff ff 88 55 c0 e8 49 32 7b fb 0f b6 55 c0 e9 83 fa ff ff e8 8b 23 41 fb 48 c7 c7 60 f7 31 88 e8 03 c3 2a fb <0f> 0b 48 8b 45 b8 42 0f b6 14 20 48 8b 45 d0 83 e0 07 83 c0 03 38 [ 81.201366][T10365] RSP: 0018:ffff888082c773a0 EFLAGS: 00010282 [ 81.208202][T10365] RAX: 0000000000000024 RBX: ffff88808f8c0d80 RCX: 0000000000000000 [ 81.216168][T10365] RDX: 0000000000000000 RSI: ffffffff815c26d6 RDI: ffffed101058ee66 [ 81.224122][T10365] RBP: ffff888082c77420 R08: 0000000000000024 R09: fffffbfff11b42dd [ 81.232076][T10365] R10: fffffbfff11b42dc R11: ffffffff88da16e3 R12: dffffc0000000000 [ 81.240027][T10365] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880a1b41b40 [ 81.247996][T10365] ? vprintk_func+0x86/0x189 [ 81.252575][T10365] xfrm_policy_inexact_insert+0xec/0x1000 [ 81.258277][T10365] ? lock_acquire+0x190/0x410 [ 81.262945][T10365] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 81.268835][T10365] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 81.274543][T10365] xfrm_policy_insert+0x530/0x750 [ 81.279554][T10365] xfrm_add_policy+0x28f/0x530 [ 81.284300][T10365] ? xfrm_policy_construct+0x680/0x680 [ 81.289736][T10365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.295963][T10365] ? ns_capable_common+0x93/0x100 [ 81.300969][T10365] ? __nla_parse+0x43/0x60 [ 81.305370][T10365] ? xfrm_policy_construct+0x680/0x680 [ 81.310815][T10365] xfrm_user_rcv_msg+0x459/0x770 [ 81.315730][T10365] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 81.321428][T10365] ? consume_skb+0x108/0x3b0 [ 81.325996][T10365] ? lock_downgrade+0x920/0x920 [ 81.330832][T10365] ? __mutex_lock+0x45d/0x13c0 [ 81.335579][T10365] ? xfrm_netlink_rcv+0x61/0x90 [ 81.340411][T10365] netlink_rcv_skb+0x177/0x450 [ 81.345150][T10365] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 81.350856][T10365] ? netlink_ack+0xb30/0xb30 [ 81.355428][T10365] xfrm_netlink_rcv+0x70/0x90 [ 81.360084][T10365] netlink_unicast+0x531/0x710 [ 81.364830][T10365] ? netlink_attachskb+0x7c0/0x7c0 [ 81.369921][T10365] ? _copy_from_iter_full+0x25d/0x8a0 [ 81.375282][T10365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.381502][T10365] netlink_sendmsg+0x8a5/0xd60 [ 81.386247][T10365] ? netlink_unicast+0x710/0x710 [ 81.391170][T10365] ? tomoyo_socket_sendmsg+0x26/0x30 [ 81.396437][T10365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.402657][T10365] ? security_socket_sendmsg+0x8d/0xc0 [ 81.408102][T10365] ? netlink_unicast+0x710/0x710 [ 81.413020][T10365] sock_sendmsg+0xd7/0x130 [ 81.417418][T10365] ___sys_sendmsg+0x803/0x920 [ 81.422075][T10365] ? copy_msghdr_from_user+0x440/0x440 [ 81.427516][T10365] ? __fget+0xa3/0x560 [ 81.431564][T10365] ? __fget+0x384/0x560 [ 81.435709][T10365] ? ksys_dup3+0x3e0/0x3e0 [ 81.440103][T10365] ? __might_fault+0xfb/0x1e0 [ 81.444758][T10365] ? __fget_light+0x1a9/0x230 [ 81.449415][T10365] ? __fdget+0x1b/0x20 [ 81.453462][T10365] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 81.459690][T10365] __sys_sendmsg+0x105/0x1d0 [ 81.464256][T10365] ? __sys_sendmsg_sock+0xd0/0xd0 [ 81.469265][T10365] ? __x64_sys_clock_gettime+0x16d/0x240 [ 81.474879][T10365] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 81.480928][T10365] __x64_sys_sendmsg+0x78/0xb0 [ 81.485691][T10365] do_syscall_64+0xfd/0x6a0 [ 81.490178][T10365] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.496051][T10365] RIP: 0033:0x4598e9 [ 81.499927][T10365] 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 [ 81.519510][T10365] RSP: 002b:00007fb48e7ebc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 81.527901][T10365] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 [ 81.535851][T10365] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 81.543799][T10365] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 81.551759][T10365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb48e7ec6d4 [ 81.559706][T10365] R13: 00000000004c7812 R14: 00000000004dd0b0 R15: 00000000ffffffff [ 81.569069][T10365] Kernel Offset: disabled [ 81.573403][T10365] Rebooting in 86400 seconds..