[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 33.655438] kauditd_printk_skb: 8 callbacks suppressed [ 33.655450] audit: type=1800 audit(1551188069.789:29): pid=7352 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 [ 33.680935] audit: type=1800 audit(1551188069.789:30): pid=7352 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 '10.128.0.87' (ECDSA) to the list of known hosts. syzkaller login: [ 58.007502] IPVS: ftp: loaded support on port[0] = 21 [ 58.064787] chnl_net:caif_netlink_parms(): no params data found [ 58.092791] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.100500] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.107411] device bridge_slave_0 entered promiscuous mode [ 58.114788] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.121233] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.128173] device bridge_slave_1 entered promiscuous mode [ 58.143618] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.152547] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.167954] team0: Port device team_slave_0 added [ 58.174427] team0: Port device team_slave_1 added [ 58.230786] device hsr_slave_0 entered promiscuous mode [ 58.278827] device hsr_slave_1 entered promiscuous mode [ 58.325476] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.331912] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.338768] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.345107] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.372592] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.383472] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.402841] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.410091] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.417240] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 58.429151] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.449937] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.457460] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.463842] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.479930] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.487537] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.493937] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.501287] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.511205] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.518351] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready executing program [ 58.528817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.538877] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.550569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.557720] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.574401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.585011] kasan: CONFIG_KASAN_INLINE enabled [ 58.589689] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 58.597047] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 58.603278] CPU: 1 PID: 7508 Comm: syz-executor892 Not tainted 5.0.0-rc8+ #89 [ 58.610529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.619870] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 58.625234] 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 d1 41 5b fb e8 fc 7d [ 58.644212] RSP: 0018:ffff888090757120 EFLAGS: 00010246 [ 58.649556] RAX: dffffc0000000000 RBX: ffff88808835fd40 RCX: ffffffff86026003 [ 58.656907] RDX: 0000000000000000 RSI: ffffffff86026040 RDI: ffff88808d0db9c8 [ 58.664212] RBP: ffff888090757148 R08: ffff8880921be440 R09: ffffed1015d25bd0 [ 58.671474] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 58.678800] R13: 0000000000000037 R14: ffff88808835fd50 R15: ffffffffffffffff [ 58.686087] FS: 0000000000aa2880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 58.694290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.700149] CR2: 0000000020000040 CR3: 00000000a851e000 CR4: 00000000001406e0 [ 58.707403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.714657] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.721916] Call Trace: [ 58.724489] __xfrm_policy_check+0x1f8/0x2730 [ 58.728967] ? lock_downgrade+0x810/0x810 [ 58.733096] ? __xfrm_route_forward+0x860/0x860 [ 58.737741] ? __lock_acquire+0x53b/0x4700 [ 58.741957] ? __lock_is_held+0xb6/0x140 [ 58.745996] ? check_preemption_disabled+0x48/0x290 [ 58.751010] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 58.756439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.761956] ? ip_tunnel_lookup+0xa0f/0xe00 [ 58.766258] vti_input+0x4e3/0x7b0 [ 58.769780] vti_rcv+0x10b/0x140 [ 58.773124] xfrm4_esp_rcv+0xd8/0x230 [ 58.776932] ip_protocol_deliver_rcu+0x60/0x8e0 [ 58.781597] ? kasan_check_read+0x11/0x20 [ 58.785723] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 [ 58.790890] ip_local_deliver_finish+0x23b/0x390 [ 58.795628] ip_local_deliver+0x1e9/0x520 [ 58.799754] ? ip_local_deliver_finish+0x390/0x390 [ 58.804663] ? ip_protocol_deliver_rcu+0x8e0/0x8e0 [ 58.809573] ? ip_rcv_finish_core.isra.0+0x82c/0x1b80 [ 58.814742] ip_rcv_finish+0x1db/0x2f0 [ 58.818616] ip_rcv+0xe8/0x3f0 [ 58.821787] ? ip_local_deliver+0x520/0x520 [ 58.826086] ? ip_rcv_finish_core.isra.0+0x1b80/0x1b80 [ 58.831344] ? ip_local_deliver+0x520/0x520 [ 58.835650] __netif_receive_skb_one_core+0x115/0x1a0 [ 58.840835] ? __netif_receive_skb_core+0x3010/0x3010 [ 58.846005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.851523] ? check_preemption_disabled+0x48/0x290 [ 58.856514] ? lock_acquire+0x16f/0x3f0 [ 58.860468] __netif_receive_skb+0x2c/0x1c0 [ 58.864769] netif_receive_skb_internal+0x117/0x660 [ 58.869762] ? dev_cpu_dead+0x920/0x920 [ 58.873724] ? eth_gro_receive+0x890/0x890 [ 58.877946] napi_gro_frags+0xade/0xd10 [ 58.881905] tun_get_user+0x2c0e/0x3dd0 [ 58.885865] ? tun_build_skb.isra.0+0x1150/0x1150 [ 58.890694] ? tun_get+0x171/0x290 [ 58.894217] ? lock_downgrade+0x810/0x810 [ 58.898349] ? kasan_check_read+0x11/0x20 [ 58.902479] tun_chr_write_iter+0xbd/0x160 [ 58.906696] do_iter_readv_writev+0x5e0/0x8e0 [ 58.911169] ? vfs_dedupe_file_range+0x780/0x780 [ 58.915905] ? apparmor_file_permission+0x25/0x30 [ 58.920742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 58.926257] ? rw_verify_area+0x118/0x360 [ 58.930388] do_iter_write+0x184/0x610 [ 58.934256] ? dup_iter+0x260/0x260 [ 58.937864] vfs_writev+0x1b3/0x2f0 [ 58.941470] ? vfs_iter_write+0xb0/0xb0 [ 58.945422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.951046] ? __handle_mm_fault+0x7cd/0x3f20 [ 58.955527] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 58.960349] ? find_held_lock+0x35/0x130 [ 58.964392] ? __do_page_fault+0x610/0xd60 [ 58.968606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.974123] ? __fget_light+0x1a9/0x230 [ 58.978074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 58.983659] do_writev+0xf6/0x290 [ 58.987110] ? vfs_writev+0x2f0/0x2f0 [ 58.990925] ? do_syscall_64+0x26/0x610 [ 58.994898] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.000238] ? do_syscall_64+0x26/0x610 [ 59.004190] __x64_sys_writev+0x75/0xb0 [ 59.008142] do_syscall_64+0x103/0x610 [ 59.012008] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.017172] RIP: 0033:0x441e60 [ 59.020344] 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 b1 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 [ 59.039225] RSP: 002b:00007ffedbaa5d68 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 59.046911] RAX: ffffffffffffffda RBX: 00007ffedbaa5da0 RCX: 0000000000441e60 [ 59.054160] RDX: 0000000000000001 RSI: 00007ffedbaa5da0 RDI: 00000000000000f0 [ 59.061409] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 59.068655] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 59.075904] R13: 0000000000403290 R14: 0000000000000000 R15: 0000000000000000 [ 59.083254] Modules linked in: [ 59.086500] ---[ end trace 1492db5c4d27f65e ]--- [ 59.091294] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 59.096577] 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 d1 41 5b fb e8 fc 7d [ 59.115658] RSP: 0018:ffff888090757120 EFLAGS: 00010246 [ 59.121034] RAX: dffffc0000000000 RBX: ffff88808835fd40 RCX: ffffffff86026003 [ 59.128308] RDX: 0000000000000000 RSI: ffffffff86026040 RDI: ffff88808d0db9c8 [ 59.135607] RBP: ffff888090757148 R08: ffff8880921be440 R09: ffffed1015d25bd0 [ 59.142890] R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: 0000000000000000 [ 59.150193] R13: 0000000000000037 R14: ffff88808835fd50 R15: ffffffffffffffff [ 59.157466] FS: 0000000000aa2880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 59.165705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.171597] CR2: 0000000020000040 CR3: 00000000a851e000 CR4: 00000000001406e0 [ 59.178925] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.186200] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.193520] Kernel panic - not syncing: Fatal exception in interrupt [ 59.200822] Kernel Offset: disabled [ 59.204439] Rebooting in 86400 seconds..