[ 37.301245][ T27] audit: type=1800 audit(1556606971.394:27): pid=7522 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.321895][ T27] audit: type=1800 audit(1556606971.394:28): pid=7522 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 37.887557][ T27] audit: type=1800 audit(1556606972.054:29): pid=7522 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 37.913988][ T27] audit: type=1800 audit(1556606972.054:30): pid=7522 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.242' (ECDSA) to the list of known hosts. syzkaller login: [ 59.548216][ T7678] IPVS: ftp: loaded support on port[0] = 21 [ 59.612766][ T7678] chnl_net:caif_netlink_parms(): no params data found [ 59.646412][ T7678] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.654114][ T7678] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.661925][ T7678] device bridge_slave_0 entered promiscuous mode [ 59.670048][ T7678] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.677206][ T7678] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.684747][ T7678] device bridge_slave_1 entered promiscuous mode [ 59.701569][ T7678] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 59.711480][ T7678] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 59.729822][ T7678] team0: Port device team_slave_0 added [ 59.736697][ T7678] team0: Port device team_slave_1 added [ 59.788820][ T7678] device hsr_slave_0 entered promiscuous mode [ 59.857729][ T7678] device hsr_slave_1 entered promiscuous mode [ 59.914532][ T7678] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.921786][ T7678] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.929839][ T7678] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.936955][ T7678] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.970043][ T7678] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.983303][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.994670][ T2996] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.003412][ T2996] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.011498][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 60.024016][ T7678] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.034143][ T3483] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.042722][ T3483] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.049842][ T3483] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.068887][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.077310][ T2996] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.084509][ T2996] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.092738][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.101494][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.110904][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.121727][ T3483] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.133782][ T7678] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.145447][ T7678] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.154680][ T2996] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 60.175179][ T7678] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.189354][ T7678] kasan: CONFIG_KASAN_INLINE enabled [ 60.194727][ T7678] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 60.202844][ T7678] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 60.209889][ T7678] CPU: 0 PID: 7678 Comm: syz-executor020 Not tainted 5.1.0-rc6+ #188 [ 60.217936][ T7678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.228053][ T7678] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 60.234014][ T7678] Code: 7c fc 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2e 05 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 fc 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 01 05 00 00 4d 8b 3c 24 e8 f1 4c 51 fb e8 8c a0 [ 60.253703][ T7678] RSP: 0018:ffff88808ace7028 EFLAGS: 00010246 [ 60.259857][ T7678] RAX: dffffc0000000000 RBX: ffff888094fcc0c0 RCX: ffffffff860ceb43 [ 60.267815][ T7678] RDX: 0000000000000000 RSI: ffffffff860ceb80 RDI: ffff88809facb908 [ 60.275781][ T7678] RBP: ffff88808ace7050 R08: ffff888092e7e0c0 R09: ffffed1015d05bc8 [ 60.283753][ T7678] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 60.291704][ T7678] R13: 0000000000000035 R14: ffff888094fcc0d0 R15: ffffffffffffffff [ 60.299654][ T7678] FS: 0000000000e3a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 60.308560][ T7678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.315125][ T7678] CR2: 0000000020000040 CR3: 00000000a8619000 CR4: 00000000001406f0 [ 60.323086][ T7678] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.331259][ T7678] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.339471][ T7678] Call Trace: [ 60.342761][ T7678] __xfrm_policy_check+0x1f8/0x2730 [ 60.347984][ T7678] ? find_held_lock+0x35/0x130 [ 60.352754][ T7678] ? vti6_tnl_lookup+0x287/0x1020 [ 60.357772][ T7678] ? __xfrm_route_forward+0x840/0x840 [ 60.363195][ T7678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.369425][ T7678] ? vti6_tnl_lookup+0x69a/0x1020 [ 60.374430][ T7678] ? vti6_init_net+0x820/0x820 [ 60.379216][ T7678] vti6_rcv+0x51a/0x970 [ 60.383354][ T7678] xfrm6_esp_rcv+0xd8/0x230 [ 60.387943][ T7678] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 60.393959][ T7678] ? lock_acquire+0x16f/0x3f0 [ 60.398618][ T7678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.404962][ T7678] ? rcu_dynticks_curr_cpu_in_eqs+0x20/0xb0 [ 60.410841][ T7678] ip6_input_finish+0x84/0x170 [ 60.415587][ T7678] ip6_input+0xe4/0x3f0 [ 60.419767][ T7678] ? ip6_input_finish+0x170/0x170 [ 60.424775][ T7678] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 60.431045][ T7678] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 60.436328][ T7678] ip6_mc_input+0x4aa/0xf30 [ 60.440814][ T7678] ? ip6_input+0x3f0/0x3f0 [ 60.445329][ T7678] ip6_rcv_finish+0x1e7/0x320 [ 60.450000][ T7678] ipv6_rcv+0x10e/0x420 [ 60.454138][ T7678] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 60.459581][ T7678] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 60.465451][ T7678] ? mark_held_locks+0xf0/0xf0 [ 60.470195][ T7678] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 60.475666][ T7678] __netif_receive_skb_one_core+0x115/0x1a0 [ 60.481547][ T7678] ? __netif_receive_skb_core+0x3040/0x3040 [ 60.487434][ T7678] ? lock_acquire+0x16f/0x3f0 [ 60.492106][ T7678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.498373][ T7678] __netif_receive_skb+0x2c/0x1c0 [ 60.503385][ T7678] netif_receive_skb_internal+0x117/0x660 [ 60.509084][ T7678] ? dev_cpu_dead+0x920/0x920 [ 60.513759][ T7678] ? eth_gro_receive+0x890/0x890 [ 60.518681][ T7678] napi_gro_frags+0xade/0xd10 [ 60.523371][ T7678] tun_get_user+0x2f24/0x3fb0 [ 60.528038][ T7678] ? tun_build_skb.isra.0+0x1300/0x1300 [ 60.533721][ T7678] ? tun_get+0x171/0x290 [ 60.537956][ T7678] ? lock_downgrade+0x880/0x880 [ 60.542893][ T7678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.549141][ T7678] ? kasan_check_read+0x11/0x20 [ 60.553980][ T7678] tun_chr_write_iter+0xbd/0x156 [ 60.558912][ T7678] do_iter_readv_writev+0x5e1/0x8e0 [ 60.564088][ T7678] ? vfs_dedupe_file_range+0x780/0x780 [ 60.569572][ T7678] ? apparmor_file_permission+0x25/0x30 [ 60.575148][ T7678] ? rw_verify_area+0x118/0x360 [ 60.579984][ T7678] do_iter_write+0x184/0x610 [ 60.584570][ T7678] ? dup_iter+0x260/0x260 [ 60.588880][ T7678] vfs_writev+0x1b3/0x2f0 [ 60.593186][ T7678] ? vfs_iter_write+0xb0/0xb0 [ 60.597844][ T7678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.604068][ T7678] ? __handle_mm_fault+0x7cd/0x3ec0 [ 60.609254][ T7678] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 60.614786][ T7678] ? find_held_lock+0x35/0x130 [ 60.619548][ T7678] ? __do_page_fault+0x623/0xda0 [ 60.624573][ T7678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 60.630951][ T7678] ? __fget_light+0x1a9/0x230 [ 60.635617][ T7678] do_writev+0x15e/0x370 [ 60.639842][ T7678] ? vfs_writev+0x2f0/0x2f0 [ 60.644337][ T7678] ? do_syscall_64+0x26/0x610 [ 60.649013][ T7678] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.655065][ T7678] ? do_syscall_64+0x26/0x610 [ 60.659724][ T7678] __x64_sys_writev+0x75/0xb0 [ 60.664378][ T7678] do_syscall_64+0x103/0x610 [ 60.668955][ T7678] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.674924][ T7678] RIP: 0033:0x442140 [ 60.678975][ T7678] Code: 05 48 3d 01 f0 ff ff 0f 83 3d 0f fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d d1 9e 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 14 0f fc ff c3 48 83 ec 08 e8 7a 2b 00 00 [ 60.698566][ T7678] RSP: 002b:00007fffe9c4c6f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 60.706965][ T7678] RAX: ffffffffffffffda RBX: 00007fffe9c4c740 RCX: 0000000000442140 [ 60.714931][ T7678] RDX: 0000000000000001 RSI: 00007fffe9c4c740 RDI: 00000000000000f0 [ 60.722886][ T7678] RBP: 0000000000000003 R08: 0000000000000100 R09: 0000000000000000 [ 60.730840][ T7678] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffe9c4c710 [ 60.738790][ T7678] R13: 0000000000403570 R14: 0000000000000000 R15: 0000000000000000 [ 60.746741][ T7678] Modules linked in: [ 60.750718][ T7678] ---[ end trace 12d0a19de3539fa0 ]--- [ 60.756178][ T7678] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 60.762182][ T7678] Code: 7c fc 08 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 2e 05 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 fc 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 01 05 00 00 4d 8b 3c 24 e8 f1 4c 51 fb e8 8c a0 [ 60.781798][ T7678] RSP: 0018:ffff88808ace7028 EFLAGS: 00010246 [ 60.787872][ T7678] RAX: dffffc0000000000 RBX: ffff888094fcc0c0 RCX: ffffffff860ceb43 [ 60.795841][ T7678] RDX: 0000000000000000 RSI: ffffffff860ceb80 RDI: ffff88809facb908 [ 60.803838][ T7678] RBP: ffff88808ace7050 R08: ffff888092e7e0c0 R09: ffffed1015d05bc8 [ 60.811820][ T7678] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 60.819800][ T7678] R13: 0000000000000035 R14: ffff888094fcc0d0 R15: ffffffffffffffff [ 60.827788][ T7678] FS: 0000000000e3a880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 60.836699][ T7678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.843303][ T7678] CR2: 0000000020000040 CR3: 00000000a8619000 CR4: 00000000001406f0 [ 60.851294][ T7678] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.859420][ T7678] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.867407][ T7678] Kernel panic - not syncing: Fatal exception in interrupt [ 60.875659][ T7678] Kernel Offset: disabled [ 60.879976][ T7678] Rebooting in 86400 seconds..