Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 40.926431] audit: type=1800 audit(1552104635.666:33): pid=7658 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 [....] startpar: service(s) returned failure: ssh ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.21' (ECDSA) to the list of known hosts. syzkaller login: [ 50.271395] kauditd_printk_skb: 2 callbacks suppressed [ 50.271410] audit: type=1400 audit(1552104645.016:36): avc: denied { map } for pid=7866 comm="syz-executor450" path="/root/syz-executor450363968" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 50.311938] IPVS: ftp: loaded support on port[0] = 21 [ 50.367395] chnl_net:caif_netlink_parms(): no params data found [ 50.395478] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.402782] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.409833] device bridge_slave_0 entered promiscuous mode [ 50.416953] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.423452] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.430275] device bridge_slave_1 entered promiscuous mode [ 50.444931] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.454070] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.469957] team0: Port device team_slave_0 added [ 50.475803] team0: Port device team_slave_1 added [ 50.520388] device hsr_slave_0 entered promiscuous mode [ 50.578544] device hsr_slave_1 entered promiscuous mode [ 50.654887] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.661382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.668393] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.674744] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.704441] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.715710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.735428] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.743999] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.752112] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.763477] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.772627] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.780354] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.786675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.805592] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.816291] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.829314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.837281] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.843649] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.851422] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.859326] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.866782] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.874578] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.882105] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.890418] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 50.905668] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.916550] kasan: CONFIG_KASAN_INLINE enabled [ 50.921313] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.928718] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.934942] CPU: 0 PID: 7867 Comm: syz-executor450 Not tainted 5.0.0+ #13 [ 50.941847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.951193] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 50.956448] 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 11 cf 56 fb e8 9c 15 [ 50.975332] RSP: 0018:ffff8880835d7018 EFLAGS: 00010246 [ 50.980677] RAX: dffffc0000000000 RBX: ffff88807e37d940 RCX: ffffffff86073f43 [ 50.987922] RDX: 0000000000000000 RSI: ffffffff86073f80 RDI: ffff88809ac2b908 [ 50.995211] RBP: ffff8880835d7040 R08: ffff88809046c600 R09: ffffed1015d05bc8 [ 51.002463] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 51.009710] R13: 0000000000000035 R14: ffff88807e37d950 R15: ffffffffffffffff [ 51.016958] FS: 0000000002460880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 51.025160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.031073] CR2: 0000000020000440 CR3: 00000000a4d6d000 CR4: 00000000001406f0 [ 51.038326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.045569] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.052816] Call Trace: [ 51.055391] __xfrm_policy_check+0x1f8/0x2730 [ 51.059867] ? find_held_lock+0x35/0x130 [ 51.063905] ? vti6_tnl_lookup+0x287/0x1020 [ 51.068216] ? __xfrm_route_forward+0x840/0x840 [ 51.072874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.078425] ? vti6_tnl_lookup+0x69a/0x1020 [ 51.082723] ? vti6_init_net+0x820/0x820 [ 51.086765] vti6_rcv+0x51a/0x970 [ 51.090202] xfrm6_esp_rcv+0xd8/0x230 [ 51.093982] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 51.098891] ? lock_acquire+0x16f/0x3f0 [ 51.102844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.108384] ? rcu_dynticks_curr_cpu_in_eqs+0x10/0xb0 [ 51.113566] ip6_input_finish+0x84/0x170 [ 51.117607] ip6_input+0xe4/0x3f0 [ 51.121042] ? ip6_input_finish+0x170/0x170 [ 51.125342] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 51.130512] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 51.135105] ip6_mc_input+0x4aa/0xf30 [ 51.138892] ? ip6_input+0x3f0/0x3f0 [ 51.142590] ip6_rcv_finish+0x1e7/0x320 [ 51.146565] ipv6_rcv+0x10e/0x420 [ 51.150001] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 51.154739] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 51.159910] ? mark_held_locks+0xf0/0xf0 [ 51.163953] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 51.168686] __netif_receive_skb_one_core+0x115/0x1a0 [ 51.173853] ? __netif_receive_skb_core+0x3040/0x3040 [ 51.179023] ? lock_acquire+0x16f/0x3f0 [ 51.182974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.188594] __netif_receive_skb+0x2c/0x1c0 [ 51.192902] netif_receive_skb_internal+0x117/0x660 [ 51.197894] ? dev_cpu_dead+0x920/0x920 [ 51.201846] ? eth_gro_receive+0x890/0x890 [ 51.206060] napi_gro_frags+0xade/0xd10 [ 51.210012] tun_get_user+0x2c17/0x3d70 [ 51.213966] ? __lock_acquire+0x548/0x3fb0 [ 51.218184] ? tun_build_skb.isra.0+0x12f0/0x12f0 [ 51.223018] ? tun_get+0x171/0x290 [ 51.226539] ? lock_downgrade+0x880/0x880 [ 51.230697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.236214] ? kasan_check_read+0x11/0x20 [ 51.240366] tun_chr_write_iter+0xbd/0x160 [ 51.244582] do_iter_readv_writev+0x5e0/0x8e0 [ 51.249060] ? vfs_dedupe_file_range+0x780/0x780 [ 51.253813] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 51.259334] ? rw_verify_area+0x118/0x360 [ 51.263459] do_iter_write+0x184/0x610 [ 51.267324] ? dup_iter+0x260/0x260 [ 51.270932] vfs_writev+0x1b3/0x2f0 [ 51.274538] ? vfs_iter_write+0xb0/0xb0 [ 51.278493] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.284011] ? __handle_mm_fault+0x7cd/0x3ec0 [ 51.288487] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 51.293307] ? find_held_lock+0x35/0x130 [ 51.297346] ? __do_page_fault+0x623/0xda0 [ 51.301567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.307097] ? __fget_light+0x1a9/0x230 [ 51.311055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.316569] do_writev+0xf6/0x290 [ 51.319999] ? vfs_writev+0x2f0/0x2f0 [ 51.323776] ? do_syscall_64+0x26/0x610 [ 51.327730] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.333089] ? do_syscall_64+0x26/0x610 [ 51.337047] __x64_sys_writev+0x75/0xb0 [ 51.341026] do_syscall_64+0x103/0x610 [ 51.344895] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.350062] RIP: 0033:0x441ef0 [ 51.353232] 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 21 91 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 [ 51.372113] RSP: 002b:00007ffdba824ec8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 51.379820] RAX: ffffffffffffffda RBX: 00007ffdba824f10 RCX: 0000000000441ef0 [ 51.387079] RDX: 0000000000000001 RSI: 00007ffdba824f10 RDI: 00000000000000f0 [ 51.394324] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 51.401576] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdba824ee0 [ 51.408826] R13: 0000000000403320 R14: 0000000000000000 R15: 0000000000000000 [ 51.416076] Modules linked in: [ 51.419304] ---[ end trace 6c355f952e6e3cb1 ]--- [ 51.424062] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 51.429356] 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 11 cf 56 fb e8 9c 15 [ 51.448378] RSP: 0018:ffff8880835d7018 EFLAGS: 00010246 [ 51.453718] RAX: dffffc0000000000 RBX: ffff88807e37d940 RCX: ffffffff86073f43 [ 51.460991] RDX: 0000000000000000 RSI: ffffffff86073f80 RDI: ffff88809ac2b908 [ 51.468263] RBP: ffff8880835d7040 R08: ffff88809046c600 R09: ffffed1015d05bc8 [ 51.475599] R10: ffffed1015d05bc7 R11: ffff8880ae82de3b R12: 0000000000000000 [ 51.482864] R13: 0000000000000035 R14: ffff88807e37d950 R15: ffffffffffffffff [ 51.490132] FS: 0000000002460880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 51.498360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.504226] CR2: 0000000020000440 CR3: 00000000a4d6d000 CR4: 00000000001406f0 [ 51.511500] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.518770] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.526030] Kernel panic - not syncing: Fatal exception in interrupt [ 51.533551] Kernel Offset: disabled [ 51.537169] Rebooting in 86400 seconds..