[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 32.576743] kauditd_printk_skb: 9 callbacks suppressed [ 32.576757] audit: type=1800 audit(1545372458.289:33): pid=5998 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 [ 32.605101] audit: type=1800 audit(1545372458.289:34): pid=5998 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [ 33.259648] audit: type=1400 audit(1545372458.969:35): avc: denied { map } for pid=6173 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. syzkaller login: [ 77.814689] audit: type=1400 audit(1545372503.529:36): avc: denied { map } for pid=6188 comm="syz-executor043" path="/root/syz-executor043781792" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 77.850639] IPVS: ftp: loaded support on port[0] = 21 [ 78.020535] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.028145] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.035456] device bridge_slave_0 entered promiscuous mode [ 78.054520] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.060890] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.068137] device bridge_slave_1 entered promiscuous mode [ 78.086361] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 78.105108] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 78.156294] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 78.177702] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 78.256760] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 78.264239] team0: Port device team_slave_0 added [ 78.282168] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 78.289298] team0: Port device team_slave_1 added [ 78.306530] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.325882] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.344687] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 78.365596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 78.511097] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.517592] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.524616] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.530969] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 79.060130] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.111738] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 79.165020] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 79.171155] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 79.179641] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.226678] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 79.516021] audit: type=1400 audit(1545372505.229:37): avc: denied { associate } for pid=6189 comm="syz-executor043" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 79.555912] IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready [ 79.564173] device bridge_slave_0 left promiscuous mode [ 79.569790] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.599982] audit: type=1400 audit(1545372505.309:38): avc: denied { create } for pid=6429 comm="syz-executor043" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 79.624468] audit: type=1400 audit(1545372505.309:39): avc: denied { write } for pid=6429 comm="syz-executor043" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 79.649100] audit: type=1400 audit(1545372505.309:40): avc: denied { read } for pid=6429 comm="syz-executor043" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 79.672995] audit: type=1400 audit(1545372505.319:41): avc: denied { ioctl } for pid=6429 comm="syz-executor043" path="socket:[25448]" dev="sockfs" ino=25448 ioctlcmd=0x8933 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 79.725948] device bridge_slave_1 left promiscuous mode [ 79.731423] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.775139] bond0: Releasing backup interface bond_slave_0 [ 79.814294] bond0: Releasing backup interface bond_slave_1 [ 79.858085] team0: Port device team_slave_0 removed [ 79.864906] team0: Port device team_slave_1 removed [ 79.870246] netlink: 'syz-executor043': attribute type 3 has an invalid length. [ 79.877881] netlink: 'syz-executor043': attribute type 3 has an invalid length. [ 79.885543] netlink: 'syz-executor043': attribute type 3 has an invalid length. [ 79.893199] netlink: 'syz-executor043': attribute type 3 has an invalid length. [ 79.900824] team0: Mode changed to "activebackup" [ 79.906124] kasan: CONFIG_KASAN_INLINE enabled [ 79.910773] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 79.918189] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 79.924450] CPU: 1 PID: 6431 Comm: syz-executor043 Not tainted 4.20.0-rc7+ #161 [ 79.931884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.941231] RIP: 0010:team_nl_cmd_options_set+0xa2d/0x1370 [ 79.946835] Code: 8b 74 24 38 75 13 e9 eb 05 00 00 e8 4d 27 e0 fc 49 39 dc 0f 84 dd 05 00 00 e8 3f 27 e0 fc 49 8d 7c 24 10 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 af 06 00 00 49 8b 44 24 10 4c 8d 60 f0 49 39 [ 79.965730] RSP: 0018:ffff8881af967270 EFLAGS: 00010203 [ 79.971073] RAX: 000000060dac2cae RBX: ffff8881d189dc00 RCX: ffffffff849f5cb7 [ 79.978341] RDX: 0000000000000000 RSI: ffffffff849f5d31 RDI: 000000306d616574 [ 79.985602] RBP: ffff8881af9674d0 R08: ffff8881cc646080 R09: ffffed103b5e5020 [ 79.992850] R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: 000000306d616564 [ 80.000099] R13: ffff8881d189de10 R14: ffff8881af967360 R15: dffffc0000000000 [ 80.007349] FS: 00007fad37cf4700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 80.015563] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.021425] CR2: 00000000004d1810 CR3: 00000001b96af000 CR4: 00000000001406e0 [ 80.028676] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.035926] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.043190] Call Trace: [ 80.045826] ? team_nl_cmd_options_get+0x480/0x480 [ 80.050770] ? nla_memcmp+0x90/0x90 [ 80.054381] ? mutex_trylock+0x2b0/0x2b0 [ 80.058426] ? selinux_capable+0x36/0x40 [ 80.062474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.068013] genl_family_rcv_msg+0x8a7/0x11a0 [ 80.072498] ? genl_unregister_family+0x8a0/0x8a0 [ 80.077359] ? lock_downgrade+0x900/0x900 [ 80.081504] ? check_preemption_disabled+0x48/0x280 [ 80.086513] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 80.091428] ? kasan_check_read+0x11/0x20 [ 80.095558] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 80.100818] ? rcu_softirq_qs+0x20/0x20 [ 80.104783] genl_rcv_msg+0xc6/0x168 [ 80.108493] netlink_rcv_skb+0x172/0x440 [ 80.112559] ? genl_family_rcv_msg+0x11a0/0x11a0 [ 80.117343] ? netlink_ack+0xb80/0xb80 [ 80.121212] ? down_read+0x8d/0x120 [ 80.124852] genl_rcv+0x28/0x40 [ 80.128116] netlink_unicast+0x5a5/0x760 [ 80.132169] ? netlink_attachskb+0x9a0/0x9a0 [ 80.136578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.142099] netlink_sendmsg+0xa18/0xfc0 [ 80.146145] ? netlink_unicast+0x760/0x760 [ 80.150378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.155899] ? security_socket_sendmsg+0x94/0xc0 [ 80.160640] ? netlink_unicast+0x760/0x760 [ 80.164860] sock_sendmsg+0xd5/0x120 [ 80.168587] ___sys_sendmsg+0x7fd/0x930 [ 80.172543] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 80.177458] ? kasan_check_read+0x11/0x20 [ 80.181594] ? copy_msghdr_from_user+0x580/0x580 [ 80.186348] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 80.191538] ? __fget_light+0x2e9/0x430 [ 80.195516] ? fget_raw+0x20/0x20 [ 80.198970] ? perf_trace_sched_process_exec+0x860/0x860 [ 80.204430] ? dlci_ioctl_set+0x40/0x40 [ 80.208393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 80.213930] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 80.219465] ? sockfd_lookup_light+0xc5/0x160 [ 80.223946] __sys_sendmsg+0x11d/0x280 [ 80.227815] ? __ia32_sys_shutdown+0x80/0x80 [ 80.232212] ? __x64_sys_futex+0x47f/0x6a0 [ 80.236449] ? do_syscall_64+0x9a/0x820 [ 80.240406] ? do_syscall_64+0x9a/0x820 [ 80.244366] ? trace_hardirqs_off_caller+0x310/0x310 [ 80.249449] ? ksys_ioctl+0x81/0xd0 [ 80.253075] __x64_sys_sendmsg+0x78/0xb0 [ 80.257118] do_syscall_64+0x1b9/0x820 [ 80.261017] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 80.266382] ? syscall_return_slowpath+0x5e0/0x5e0 [ 80.271309] ? trace_hardirqs_on_caller+0x310/0x310 [ 80.276308] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 80.281336] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 80.288014] ? __switch_to_asm+0x40/0x70 [ 80.292068] ? __switch_to_asm+0x34/0x70 [ 80.296128] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 80.300967] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.306143] RIP: 0033:0x44de49 [ 80.309364] Code: e8 1c ba 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 fb c5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.328250] RSP: 002b:00007fad37cf3d88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 80.335951] RAX: ffffffffffffffda RBX: 00000000006e0c5c RCX: 000000000044de49 [ 80.343292] RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 [ 80.350542] RBP: 00000000006e0c50 R08: 0000000000000000 R09: 0000000000000000 [ 80.357793] R10: 0000000000000000 R11: 0000000000000246 R12: 0000006c61767265 [ 80.365045] R13: 746e695f6e696f6a R14: 0000000000000000 R15: 0000000000000000 [ 80.372300] Modules linked in: [ 80.376230] ---[ end trace da19b5a20e6fec24 ]--- [ 80.381003] RIP: 0010:team_nl_cmd_options_set+0xa2d/0x1370 [ 80.386733] Code: 8b 74 24 38 75 13 e9 eb 05 00 00 e8 4d 27 e0 fc 49 39 dc 0f 84 dd 05 00 00 e8 3f 27 e0 fc 49 8d 7c 24 10 48 89 f8 48 c1 e8 03 <42> 80 3c 38 00 0f 85 af 06 00 00 49 8b 44 24 10 4c 8d 60 f0 49 39 [ 80.405674] RSP: 0018:ffff8881af967270 EFLAGS: 00010203 [ 80.411024] RAX: 000000060dac2cae RBX: ffff8881d189dc00 RCX: ffffffff849f5cb7 [ 80.418325] RDX: 0000000000000000 RSI: ffffffff849f5d31 RDI: 000000306d616574 [ 80.425654] RBP: ffff8881af9674d0 R08: ffff8881cc646080 R09: ffffed103b5e5020 [ 80.432961] R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: 000000306d616564 [ 80.440237] R13: ffff8881d189de10 R14: ffff8881af967360 R15: dffffc0000000000 [ 80.447539] FS: 00007fad37cf4700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 80.455779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.461646] CR2: 00000000004d1810 CR3: 00000001b96af000 CR4: 00000000001406e0 [ 80.468943] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.476248] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.483941] Kernel panic - not syncing: Fatal exception [ 80.490301] Kernel Offset: disabled [ 80.493925] Rebooting in 86400 seconds..