[ 75.092381][ T26] audit: type=1804 audit(1569089904.872:43): pid=8856 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="init" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 75.100907][ T26] audit: type=1804 audit(1569089904.892:44): pid=8857 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 75.176386][ T26] audit: type=1804 audit(1569089904.932:45): pid=8856 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 75.197667][ T26] audit: type=1804 audit(1569089904.932:46): pid=8856 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 75.218454][ T26] audit: type=1804 audit(1569089904.942:47): pid=8854 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 [ 75.218477][ T26] audit: type=1804 audit(1569089904.942:48): pid=8854 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="getty" name="/run/utmp" dev="sda1" ino=1421 res=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. syzkaller login: [ 85.782632][ T26] kauditd_printk_skb: 9 callbacks suppressed [ 85.782645][ T26] audit: type=1400 audit(1569089915.582:58): avc: denied { map } for pid=8880 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16502 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/09/21 18:18:35 parsed 1 programs [ 85.866214][ T26] audit: type=1400 audit(1569089915.662:59): avc: denied { map } for pid=8880 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=110 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/09/21 18:18:37 executed programs: 0 [ 87.355494][ T8895] IPVS: ftp: loaded support on port[0] = 21 [ 87.422404][ T8895] chnl_net:caif_netlink_parms(): no params data found [ 87.451237][ T8895] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.459094][ T8895] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.467568][ T8895] device bridge_slave_0 entered promiscuous mode [ 87.476523][ T8895] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.484055][ T8895] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.491948][ T8895] device bridge_slave_1 entered promiscuous mode [ 87.508985][ T8895] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 87.520339][ T8895] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 87.539237][ T8895] team0: Port device team_slave_0 added [ 87.547224][ T8895] team0: Port device team_slave_1 added [ 87.612829][ T8895] device hsr_slave_0 entered promiscuous mode [ 87.670707][ T8895] device hsr_slave_1 entered promiscuous mode [ 87.728524][ T8895] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.736255][ T8895] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.744265][ T8895] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.751379][ T8895] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.787597][ T8895] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.801338][ T3702] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 87.812248][ T3702] bridge0: port 1(bridge_slave_0) entered disabled state [ 87.832370][ T3702] bridge0: port 2(bridge_slave_1) entered disabled state [ 87.842135][ T3702] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 87.854923][ T8895] 8021q: adding VLAN 0 to HW filter on device team0 [ 87.865141][ T2408] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 87.874506][ T2408] bridge0: port 1(bridge_slave_0) entered blocking state [ 87.881853][ T2408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 87.893343][ T3702] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 87.902710][ T3702] bridge0: port 2(bridge_slave_1) entered blocking state [ 87.910394][ T3702] bridge0: port 2(bridge_slave_1) entered forwarding state [ 87.932460][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 87.944383][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 87.953428][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 87.963186][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 87.974323][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 87.985517][ T8895] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 88.005205][ T8895] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 88.042989][ T26] audit: type=1400 audit(1569089917.842:60): avc: denied { associate } for pid=8895 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 [ 88.152106][ T8904] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.166251][ T8904] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.195894][ T8909] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.207713][ T8909] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.239506][ T8915] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.252718][ T8915] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.283100][ T8919] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.294826][ T8919] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.326847][ T8923] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 88.340765][ T8923] netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'. [ 89.921124][ T9152] ------------[ cut here ]------------ [ 89.927498][ T9152] WARNING: CPU: 0 PID: 9152 at net/xfrm/xfrm_policy.c:1543 xfrm_policy_insert_list.cold+0x11/0x90 [ 89.938360][ T9152] Kernel panic - not syncing: panic_on_warn set ... [ 89.944956][ T9152] CPU: 0 PID: 9152 Comm: syz-executor.0 Not tainted 5.3.0+ #0 [ 89.952526][ T9152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.962820][ T9152] Call Trace: [ 89.966113][ T9152] dump_stack+0x172/0x1f0 [ 89.970439][ T9152] ? __xfrm_sk_clone_policy+0xae0/0xae0 [ 89.975978][ T9152] panic+0x2dc/0x755 [ 89.979864][ T9152] ? add_taint.cold+0x16/0x16 [ 89.984546][ T9152] ? __kasan_check_write+0x14/0x20 [ 89.989673][ T9152] ? __warn.cold+0x5/0x4c [ 89.994193][ T9152] ? __warn+0xe7/0x1e0 [ 89.998266][ T9152] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 90.004165][ T9152] __warn.cold+0x20/0x4c [ 90.008413][ T9152] ? wake_up_klogd+0x99/0xd0 [ 90.013013][ T9152] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 90.019080][ T9152] report_bug+0x263/0x2b0 [ 90.023509][ T9152] do_error_trap+0x11b/0x200 [ 90.028105][ T9152] do_invalid_op+0x37/0x50 [ 90.032523][ T9152] ? xfrm_policy_insert_list.cold+0x11/0x90 [ 90.038425][ T9152] invalid_op+0x23/0x30 [ 90.042575][ T9152] RIP: 0010:xfrm_policy_insert_list.cold+0x11/0x90 [ 90.049067][ T9152] Code: c5 76 fb e9 67 fa ff ff 88 55 c0 e8 99 c5 76 fb 0f b6 55 c0 e9 83 fa ff ff e8 eb 56 3c fb 48 c7 c7 a0 3b 53 88 e8 b3 da 25 fb <0f> 0b 48 8b 45 b8 42 0f b6 14 20 48 8b 45 d0 83 e0 07 83 c0 03 38 [ 90.068664][ T9152] RSP: 0018:ffff888077df73a0 EFLAGS: 00010282 [ 90.074723][ T9152] RAX: 0000000000000024 RBX: ffff8880a41b5680 RCX: 0000000000000000 [ 90.082688][ T9152] RDX: 0000000000000000 RSI: ffffffff815c2736 RDI: ffffed100efbee66 [ 90.091016][ T9152] RBP: ffff888077df7420 R08: 0000000000000024 R09: ffffed1015d060d1 [ 90.098998][ T9152] R10: ffffed1015d060d0 R11: ffff8880ae830687 R12: dffffc0000000000 [ 90.106965][ T9152] R13: 0000000000000000 R14: 0000000000000000 R15: ffff888093a0d240 [ 90.114989][ T9152] ? vprintk_func+0x86/0x189 [ 90.119586][ T9152] xfrm_policy_inexact_insert+0xec/0x1000 [ 90.125303][ T9152] ? lock_acquire+0x190/0x410 [ 90.129982][ T9152] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 90.135914][ T9152] ? __sanitizer_cov_trace_cmp1+0x17/0x20 [ 90.141736][ T9152] xfrm_policy_insert+0x530/0x750 [ 90.146772][ T9152] xfrm_add_policy+0x28f/0x530 [ 90.151684][ T9152] ? xfrm_policy_construct+0x680/0x680 [ 90.157290][ T9152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.163740][ T9152] ? ns_capable_common+0x93/0x100 [ 90.168778][ T9152] ? __nla_parse+0x43/0x60 [ 90.173276][ T9152] ? xfrm_policy_construct+0x680/0x680 [ 90.178833][ T9152] xfrm_user_rcv_msg+0x459/0x770 [ 90.183794][ T9152] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 90.189510][ T9152] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 90.195626][ T9152] ? __mutex_lock+0x45d/0x13c0 [ 90.200381][ T9152] ? netlink_deliver_tap+0x22d/0xbf0 [ 90.205673][ T9152] ? xfrm_netlink_rcv+0x61/0x90 [ 90.210519][ T9152] netlink_rcv_skb+0x177/0x450 [ 90.215282][ T9152] ? copy_to_user_state_extra+0xdf0/0xdf0 [ 90.222656][ T9152] ? netlink_ack+0xb30/0xb30 [ 90.227246][ T9152] xfrm_netlink_rcv+0x70/0x90 [ 90.231915][ T9152] netlink_unicast+0x531/0x710 [ 90.236675][ T9152] ? netlink_attachskb+0x7c0/0x7c0 [ 90.241845][ T9152] ? _copy_from_iter_full+0x25d/0x8a0 [ 90.247219][ T9152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.253565][ T9152] netlink_sendmsg+0x8a5/0xd60 [ 90.258334][ T9152] ? netlink_unicast+0x710/0x710 [ 90.263267][ T9152] ? tomoyo_socket_sendmsg+0x26/0x30 [ 90.268549][ T9152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 90.274787][ T9152] ? security_socket_sendmsg+0x8d/0xc0 [ 90.280240][ T9152] ? netlink_unicast+0x710/0x710 [ 90.285349][ T9152] sock_sendmsg+0xd7/0x130 [ 90.289759][ T9152] ___sys_sendmsg+0x803/0x920 [ 90.294432][ T9152] ? copy_msghdr_from_user+0x440/0x440 [ 90.299909][ T9152] ? __kasan_check_read+0x11/0x20 [ 90.304940][ T9152] ? __fget+0x384/0x560 [ 90.309809][ T9152] ? ksys_dup3+0x3e0/0x3e0 [ 90.314258][ T9152] ? __fget_light+0x1a9/0x230 [ 90.319026][ T9152] ? __fdget+0x1b/0x20 [ 90.323192][ T9152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 90.329788][ T9152] __sys_sendmsg+0x105/0x1d0 [ 90.334390][ T9152] ? __sys_sendmsg_sock+0xd0/0xd0 [ 90.339590][ T9152] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 90.345058][ T9152] ? do_syscall_64+0x26/0x760 [ 90.349912][ T9152] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.356441][ T9152] ? do_syscall_64+0x26/0x760 [ 90.361126][ T9152] __x64_sys_sendmsg+0x78/0xb0 [ 90.365912][ T9152] do_syscall_64+0xfa/0x760 [ 90.370414][ T9152] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.376404][ T9152] RIP: 0033:0x459a09 [ 90.380297][ T9152] 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 [ 90.400001][ T9152] RSP: 002b:00007fcbb4c81c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 90.408413][ T9152] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a09 [ 90.416387][ T9152] RDX: 0000000000000000 RSI: 000000002014f000 RDI: 0000000000000004 [ 90.424354][ T9152] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 90.432688][ T9152] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbb4c826d4 [ 90.441094][ T9152] R13: 00000000004c794a R14: 00000000004dd340 R15: 00000000ffffffff [ 90.451171][ T9152] Kernel Offset: disabled [ 90.455697][ T9152] Rebooting in 86400 seconds..