[ 35.966610][ T26] audit: type=1800 audit(1550845245.685:27): pid=7483 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 35.991680][ T26] audit: type=1800 audit(1550845245.685:28): pid=7483 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. [ 36.759039][ T26] audit: type=1800 audit(1550845246.535:29): pid=7483 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 [ 36.783621][ T26] audit: type=1800 audit(1550845246.535:30): pid=7483 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 '10.128.0.244' (ECDSA) to the list of known hosts. syzkaller login: [ 44.448576][ T7637] IPVS: ftp: loaded support on port[0] = 21 [ 44.505585][ T7637] chnl_net:caif_netlink_parms(): no params data found [ 44.535087][ T7637] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.542361][ T7637] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.550132][ T7637] device bridge_slave_0 entered promiscuous mode [ 44.557968][ T7637] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.565156][ T7637] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.572618][ T7637] device bridge_slave_1 entered promiscuous mode [ 44.588157][ T7637] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.597683][ T7637] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.613161][ T7637] team0: Port device team_slave_0 added [ 44.620059][ T7637] team0: Port device team_slave_1 added [ 44.685285][ T7637] device hsr_slave_0 entered promiscuous mode [ 44.754297][ T7637] device hsr_slave_1 entered promiscuous mode [ 44.810834][ T7637] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.817978][ T7637] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.825527][ T7637] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.832563][ T7637] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.861938][ T7637] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.875113][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.895511][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.903365][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.911817][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.922543][ T7637] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.931762][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.940264][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.947340][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.964967][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.973288][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.980413][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.988578][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.997471][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.007857][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 45.015532][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 45.027497][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.037103][ T7637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.053805][ T7637] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.068615][ T7637] kasan: CONFIG_KASAN_INLINE enabled [ 45.073970][ T7637] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 45.082016][ T7637] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 45.088924][ T7637] CPU: 1 PID: 7637 Comm: syz-executor125 Not tainted 5.0.0-rc7-next-20190222 #41 [ 45.097997][ T7637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.108041][ T7637] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 45.113997][ T7637] 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 41 fa 54 fb e8 ec 4e [ 45.133588][ T7637] RSP: 0018:ffff888092b7f020 EFLAGS: 00010246 [ 45.139633][ T7637] RAX: dffffc0000000000 RBX: ffff88808a873040 RCX: ffffffff86090583 [ 45.147582][ T7637] RDX: 0000000000000000 RSI: ffffffff860905c0 RDI: ffff888085bb2908 [ 45.155554][ T7637] RBP: ffff888092b7f048 R08: ffff88808fdf6400 R09: ffffed1015d25bc8 [ 45.163510][ T7637] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 45.171459][ T7637] R13: 0000000000000036 R14: ffff88808a873050 R15: ffffffffffffffff [ 45.179409][ T7637] FS: 0000000002516880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 45.188310][ T7637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.194869][ T7637] CR2: 0000000020200000 CR3: 0000000092b30000 CR4: 00000000001406e0 [ 45.202819][ T7637] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.210765][ T7637] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.218728][ T7637] Call Trace: [ 45.222023][ T7637] __xfrm_policy_check+0x1f8/0x2730 [ 45.227203][ T7637] ? vti6_tnl_lookup+0x287/0x1020 [ 45.232204][ T7637] ? find_held_lock+0x35/0x130 [ 45.236944][ T7637] ? __xfrm_route_forward+0x830/0x830 [ 45.242309][ T7637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.248524][ T7637] ? vti6_tnl_lookup+0x69a/0x1020 [ 45.253530][ T7637] ? vti6_init_net+0x820/0x820 [ 45.258279][ T7637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.264523][ T7637] vti6_rcv+0x51a/0x970 [ 45.268682][ T7637] xfrm6_esp_rcv+0xd8/0x230 [ 45.273162][ T7637] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 45.278772][ T7637] ? lock_acquire+0x16f/0x3f0 [ 45.283425][ T7637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.289672][ T7637] ? rcu_rnp_online_cpus+0x20/0x40 [ 45.294760][ T7637] ip6_input_finish+0x84/0x170 [ 45.299500][ T7637] ip6_input+0xe4/0x3f0 [ 45.303648][ T7637] ? ip6_input_finish+0x170/0x170 [ 45.308647][ T7637] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 45.314517][ T7637] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 45.319778][ T7637] ip6_mc_input+0x4aa/0xf30 [ 45.324266][ T7637] ? ip6_input+0x3f0/0x3f0 [ 45.328686][ T7637] ip6_rcv_finish+0x1e7/0x320 [ 45.333340][ T7637] ipv6_rcv+0x10e/0x420 [ 45.337471][ T7637] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 45.342905][ T7637] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 45.348787][ T7637] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 45.354236][ T7637] __netif_receive_skb_one_core+0x115/0x1a0 [ 45.360109][ T7637] ? __netif_receive_skb_core+0x3010/0x3010 [ 45.365980][ T7637] ? lock_acquire+0x16f/0x3f0 [ 45.370632][ T7637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.376848][ T7637] __netif_receive_skb+0x2c/0x1c0 [ 45.381848][ T7637] netif_receive_skb_internal+0x117/0x660 [ 45.387544][ T7637] ? dev_cpu_dead+0x920/0x920 [ 45.392207][ T7637] ? eth_gro_receive+0x890/0x890 [ 45.397123][ T7637] napi_gro_frags+0xade/0xd10 [ 45.401776][ T7637] tun_get_user+0x28ae/0x3b20 [ 45.406429][ T7637] ? mark_held_locks+0xf0/0xf0 [ 45.411174][ T7637] ? tun_build_skb.isra.0+0x1170/0x1170 [ 45.416694][ T7637] ? tun_get+0x171/0x290 [ 45.420923][ T7637] ? lock_downgrade+0x880/0x880 [ 45.425751][ T7637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.431970][ T7637] ? kasan_check_read+0x11/0x20 [ 45.436822][ T7637] tun_chr_write_iter+0xbd/0x160 [ 45.441738][ T7637] do_iter_readv_writev+0x5e1/0x8e0 [ 45.446912][ T7637] ? vfs_dedupe_file_range+0x780/0x780 [ 45.452364][ T7637] ? apparmor_file_permission+0x25/0x30 [ 45.457887][ T7637] ? rw_verify_area+0x118/0x360 [ 45.462716][ T7637] do_iter_write+0x184/0x610 [ 45.467284][ T7637] ? dup_iter+0x260/0x260 [ 45.471591][ T7637] vfs_writev+0x1b3/0x2f0 [ 45.475899][ T7637] ? vfs_iter_write+0xb0/0xb0 [ 45.480556][ T7637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.486776][ T7637] ? __handle_mm_fault+0x7cd/0x3ec0 [ 45.491952][ T7637] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 45.497473][ T7637] ? find_held_lock+0x35/0x130 [ 45.502239][ T7637] ? __do_page_fault+0x623/0xda0 [ 45.507191][ T7637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.513408][ T7637] ? __fget_light+0x1a9/0x230 [ 45.518062][ T7637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 45.524333][ T7637] do_writev+0xf6/0x290 [ 45.528514][ T7637] ? vfs_writev+0x2f0/0x2f0 [ 45.532995][ T7637] ? do_syscall_64+0x26/0x610 [ 45.537655][ T7637] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.543704][ T7637] ? do_syscall_64+0x26/0x610 [ 45.548374][ T7637] __x64_sys_writev+0x75/0xb0 [ 45.553023][ T7637] do_syscall_64+0x103/0x610 [ 45.557606][ T7637] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.563489][ T7637] RIP: 0033:0x442000 [ 45.567357][ T7637] 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 [ 45.586935][ T7637] RSP: 002b:00007fff455a2818 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 45.595333][ T7637] RAX: ffffffffffffffda RBX: 00007fff455a2860 RCX: 0000000000442000 [ 45.603278][ T7637] RDX: 0000000000000001 RSI: 00007fff455a2860 RDI: 00000000000000f0 [ 45.611225][ T7637] RBP: 0000000000000003 R08: 000000000000bbff R09: 0000000000000000 [ 45.619174][ T7637] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff455a2830 [ 45.627158][ T7637] R13: 0000000000403430 R14: 0000000000000000 R15: 0000000000000000 [ 45.635120][ T7637] Modules linked in: [ 45.639055][ T7637] ---[ end trace ef65150b0e90b779 ]--- [ 45.644541][ T7637] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 45.650526][ T7637] 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 41 fa 54 fb e8 ec 4e [ 45.670140][ T7637] RSP: 0018:ffff888092b7f020 EFLAGS: 00010246 [ 45.676211][ T7637] RAX: dffffc0000000000 RBX: ffff88808a873040 RCX: ffffffff86090583 [ 45.684186][ T7637] RDX: 0000000000000000 RSI: ffffffff860905c0 RDI: ffff888085bb2908 [ 45.692145][ T7637] RBP: ffff888092b7f048 R08: ffff88808fdf6400 R09: ffffed1015d25bc8 [ 45.700132][ T7637] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 45.708114][ T7637] R13: 0000000000000036 R14: ffff88808a873050 R15: ffffffffffffffff [ 45.716118][ T7637] FS: 0000000002516880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 45.725063][ T7637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.731627][ T7637] CR2: 0000000020200000 CR3: 0000000092b30000 CR4: 00000000001406e0 [ 45.739634][ T7637] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.747618][ T7637] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.755594][ T7637] Kernel panic - not syncing: Fatal exception in interrupt [ 45.763800][ T7637] Kernel Offset: disabled [ 45.768119][ T7637] Rebooting in 86400 seconds..