[ 37.219623] audit: type=1800 audit(1551399380.456:26): pid=7568 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 37.254000] audit: type=1800 audit(1551399380.456:27): pid=7568 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 37.275607] audit: type=1800 audit(1551399380.466:28): pid=7568 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. [ 38.286979] audit: type=1800 audit(1551399381.546:29): pid=7568 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.33' (ECDSA) to the list of known hosts. syzkaller login: [ 66.770081] IPVS: ftp: loaded support on port[0] = 21 [ 66.824600] chnl_net:caif_netlink_parms(): no params data found [ 66.852222] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.858839] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.865893] device bridge_slave_0 entered promiscuous mode [ 66.873403] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.879761] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.886794] device bridge_slave_1 entered promiscuous mode [ 66.902716] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 66.911352] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 66.927589] team0: Port device team_slave_0 added [ 66.934029] team0: Port device team_slave_1 added [ 67.013497] device hsr_slave_0 entered promiscuous mode [ 67.061987] device hsr_slave_1 entered promiscuous mode [ 67.138204] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.144814] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.151680] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.158037] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.188240] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.199062] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.218861] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.226188] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.233965] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 67.245160] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.254267] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.262074] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.268415] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.283579] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.291184] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.297598] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.305318] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.314360] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.328588] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.338661] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.350381] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.358376] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.366119] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.380889] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 67.387761] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.403319] kasan: CONFIG_KASAN_INLINE enabled [ 67.407967] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 67.415446] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 67.421785] CPU: 1 PID: 7721 Comm: syz-executor136 Not tainted 5.0.0-rc7+ #101 [ 67.429121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.438468] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 67.443731] 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 b1 2e 5b fb e8 dc 6a [ 67.462618] RSP: 0018:ffff88809fb77018 EFLAGS: 00010246 [ 67.467961] RAX: dffffc0000000000 RBX: ffff88808fc2ce00 RCX: ffffffff86027583 [ 67.475211] RDX: 0000000000000000 RSI: ffffffff860275c0 RDI: ffff8880a7f71c08 [ 67.482462] RBP: ffff88809fb77040 R08: ffff888086c6a300 R09: ffffed1015d25bd0 [ 67.489709] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 67.497222] R13: 0000000000000037 R14: ffff88808fc2ce10 R15: ffffffffffffffff [ 67.504474] FS: 00000000013ba880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 67.512741] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.518650] CR2: 0000000020200000 CR3: 0000000090f58000 CR4: 00000000001406e0 [ 67.525912] Call Trace: [ 67.528490] __xfrm_policy_check+0x1f8/0x2730 [ 67.532974] ? kasan_check_read+0x11/0x20 [ 67.537196] ? find_held_lock+0x35/0x130 [ 67.541241] ? vti6_tnl_lookup+0x287/0x1020 [ 67.545546] ? __xfrm_route_forward+0x860/0x860 [ 67.550194] ? __lock_is_held+0xb6/0x140 [ 67.554235] ? check_preemption_disabled+0x48/0x290 [ 67.559233] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 67.564664] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.570178] ? vti6_tnl_lookup+0x69a/0x1020 [ 67.574534] ? vti6_init_net+0x820/0x820 [ 67.578584] ? check_preemption_disabled+0x48/0x290 [ 67.583582] vti6_rcv+0x51a/0x970 [ 67.587017] xfrm6_esp_rcv+0xd8/0x230 [ 67.590799] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 67.595709] ? lock_acquire+0x16f/0x3f0 [ 67.599665] ? rcu_note_context_switch+0x1720/0x1730 [ 67.604750] ip6_input_finish+0x84/0x170 [ 67.608804] ip6_input+0xe4/0x3f0 [ 67.612244] ? ip6_input_finish+0x170/0x170 [ 67.616553] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 67.621734] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 67.626345] ip6_mc_input+0x4aa/0xf30 [ 67.630135] ? ip6_input+0x3f0/0x3f0 [ 67.633893] ip6_rcv_finish+0x1e7/0x320 [ 67.637880] ipv6_rcv+0x10e/0x420 [ 67.641336] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 67.646119] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 67.651337] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 67.656084] __netif_receive_skb_one_core+0x115/0x1a0 [ 67.661262] ? __netif_receive_skb_core+0x3010/0x3010 [ 67.666435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.671953] ? check_preemption_disabled+0x48/0x290 [ 67.676949] ? lock_acquire+0x16f/0x3f0 [ 67.680905] __netif_receive_skb+0x2c/0x1c0 [ 67.685208] netif_receive_skb_internal+0x117/0x660 [ 67.690209] ? dev_cpu_dead+0x920/0x920 [ 67.694169] ? eth_gro_receive+0x890/0x890 [ 67.698402] napi_gro_frags+0xade/0xd10 [ 67.702365] tun_get_user+0x2c0e/0x3dd0 [ 67.706326] ? tun_build_skb.isra.0+0x1150/0x1150 [ 67.711151] ? tun_get+0x171/0x290 [ 67.714723] ? lock_downgrade+0x810/0x810 [ 67.718865] ? kasan_check_read+0x11/0x20 [ 67.723003] tun_chr_write_iter+0xbd/0x160 [ 67.727221] do_iter_readv_writev+0x5e0/0x8e0 [ 67.731703] ? vfs_dedupe_file_range+0x780/0x780 [ 67.736438] ? apparmor_file_permission+0x25/0x30 [ 67.741266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 67.746790] ? rw_verify_area+0x118/0x360 [ 67.750932] do_iter_write+0x184/0x610 [ 67.754811] ? dup_iter+0x260/0x260 [ 67.758429] vfs_writev+0x1b3/0x2f0 [ 67.762084] ? vfs_iter_write+0xb0/0xb0 [ 67.766051] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.771585] ? __handle_mm_fault+0x7cd/0x3f20 [ 67.776078] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 67.780905] ? find_held_lock+0x35/0x130 [ 67.784952] ? __do_page_fault+0x610/0xd60 [ 67.789172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.794692] ? __fget_light+0x1a9/0x230 [ 67.798651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 67.804173] do_writev+0xf6/0x290 [ 67.807609] ? vfs_writev+0x2f0/0x2f0 [ 67.811404] ? do_syscall_64+0x26/0x610 [ 67.815368] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.820717] ? do_syscall_64+0x26/0x610 [ 67.824683] __x64_sys_writev+0x75/0xb0 [ 67.828642] do_syscall_64+0x103/0x610 [ 67.832519] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.837695] RIP: 0033:0x442000 [ 67.840871] 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 11 90 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 [ 67.859761] RSP: 002b:00007ffcdf6e7728 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 67.867461] RAX: ffffffffffffffda RBX: 00007ffcdf6e7770 RCX: 0000000000442000 [ 67.874867] RDX: 0000000000000001 RSI: 00007ffcdf6e7770 RDI: 00000000000000f0 [ 67.882180] RBP: 0000000000000003 R08: 000000000000bbff R09: 0000000000000000 [ 67.890079] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcdf6e7740 [ 67.898760] R13: 0000000000403430 R14: 0000000000000000 R15: 0000000000000000 [ 67.906074] Modules linked in: [ 67.909504] ---[ end trace afa34d21ea079851 ]--- [ 67.914732] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 67.921442] 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 b1 2e 5b fb e8 dc 6a [ 67.940734] RSP: 0018:ffff88809fb77018 EFLAGS: 00010246 [ 67.946172] RAX: dffffc0000000000 RBX: ffff88808fc2ce00 RCX: ffffffff86027583 [ 67.953479] RDX: 0000000000000000 RSI: ffffffff860275c0 RDI: ffff8880a7f71c08 [ 67.960749] RBP: ffff88809fb77040 R08: ffff888086c6a300 R09: ffffed1015d25bd0 [ 67.968048] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 67.975339] R13: 0000000000000037 R14: ffff88808fc2ce10 R15: ffffffffffffffff [ 67.982636] FS: 00000000013ba880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 67.990861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.996774] CR2: 0000000020200000 CR3: 0000000090f58000 CR4: 00000000001406e0 [ 68.004060] Kernel panic - not syncing: Fatal exception in interrupt [ 68.011547] Kernel Offset: disabled [ 68.015172] Rebooting in 86400 seconds..