[ 38.445531] audit: type=1800 audit(1552104641.219:26): pid=7684 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 38.465137] audit: type=1800 audit(1552104641.219:27): pid=7684 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 38.491506] audit: type=1800 audit(1552104641.219:28): pid=7684 uid=0 auid=4294967295 ses=4294967295 subj=_ 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. [ 39.316040] audit: type=1800 audit(1552104642.119:29): pid=7684 uid=0 auid=4294967295 ses=4294967295 subj=_ 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 '10.128.0.28' (ECDSA) to the list of known hosts. syzkaller login: [ 49.882469] IPVS: ftp: loaded support on port[0] = 21 [ 49.939538] chnl_net:caif_netlink_parms(): no params data found [ 49.970227] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.977191] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.984257] device bridge_slave_0 entered promiscuous mode [ 49.991351] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.998105] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.005027] device bridge_slave_1 entered promiscuous mode [ 50.019964] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.029118] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.046738] team0: Port device team_slave_0 added [ 50.052865] team0: Port device team_slave_1 added [ 50.133759] device hsr_slave_0 entered promiscuous mode [ 50.202476] device hsr_slave_1 entered promiscuous mode [ 50.249142] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.255590] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.262571] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.268939] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.298572] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.310613] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.320383] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.328360] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.335505] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 50.346284] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.356078] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.363984] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.370318] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.391849] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 50.402283] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 50.414649] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.423085] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.429432] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.437707] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready executing program [ 50.445387] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.453347] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.460870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.468559] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.475485] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.491083] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 50.502597] kasan: CONFIG_KASAN_INLINE enabled [ 50.507320] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 50.514745] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 50.520988] CPU: 1 PID: 7839 Comm: syz-executor299 Not tainted 5.0.0+ #13 [ 50.527915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.537277] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 50.542545] 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 [ 50.561436] RSP: 0018:ffff8880a3817018 EFLAGS: 00010246 [ 50.566802] RAX: dffffc0000000000 RBX: ffff888093a42c80 RCX: ffffffff86073f43 [ 50.574064] RDX: 0000000000000000 RSI: ffffffff86073f80 RDI: ffff888096b43a88 [ 50.581322] RBP: ffff8880a3817040 R08: ffff8880a9236400 R09: ffffed1015d25bc8 [ 50.588582] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 50.595880] R13: 0000000000000035 R14: ffff888093a42c90 R15: ffffffffffffffff [ 50.603204] FS: 0000000000da0880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 50.611421] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.617293] CR2: 0000000020000440 CR3: 0000000097152000 CR4: 00000000001406e0 [ 50.624698] Call Trace: [ 50.627279] __xfrm_policy_check+0x1f8/0x2730 [ 50.631813] ? find_held_lock+0x35/0x130 [ 50.635868] ? vti6_tnl_lookup+0x287/0x1020 [ 50.640180] ? __xfrm_route_forward+0x840/0x840 [ 50.644858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.650385] ? vti6_tnl_lookup+0x69a/0x1020 [ 50.654702] ? vti6_init_net+0x820/0x820 [ 50.658752] vti6_rcv+0x51a/0x970 [ 50.662209] xfrm6_esp_rcv+0xd8/0x230 [ 50.666054] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 50.670977] ? lock_acquire+0x16f/0x3f0 [ 50.674945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.680474] ? rcu_dynticks_curr_cpu_in_eqs+0x10/0xb0 [ 50.685654] ip6_input_finish+0x84/0x170 [ 50.689707] ip6_input+0xe4/0x3f0 [ 50.693152] ? ip6_input_finish+0x170/0x170 [ 50.697509] ? ip6_protocol_deliver_rcu+0x16c0/0x16c0 [ 50.702814] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 50.707388] ip6_mc_input+0x4aa/0xf30 [ 50.711182] ? ip6_input+0x3f0/0x3f0 [ 50.714894] ip6_rcv_finish+0x1e7/0x320 [ 50.718883] ipv6_rcv+0x10e/0x420 [ 50.722354] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 50.727112] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 50.732298] ? mark_held_locks+0xf0/0xf0 [ 50.736347] ? ip6_rcv_core.isra.0+0x1c00/0x1c00 [ 50.741134] __netif_receive_skb_one_core+0x115/0x1a0 [ 50.746314] ? __netif_receive_skb_core+0x3040/0x3040 [ 50.751498] ? lock_acquire+0x16f/0x3f0 [ 50.755464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.760990] __netif_receive_skb+0x2c/0x1c0 [ 50.765304] netif_receive_skb_internal+0x117/0x660 [ 50.770307] ? dev_cpu_dead+0x920/0x920 [ 50.774277] ? eth_gro_receive+0x890/0x890 [ 50.778501] napi_gro_frags+0xade/0xd10 [ 50.782482] tun_get_user+0x2c17/0x3d70 [ 50.786460] ? __lock_acquire+0x548/0x3fb0 [ 50.790696] ? tun_build_skb.isra.0+0x12f0/0x12f0 [ 50.795529] ? tun_get+0x171/0x290 [ 50.799060] ? lock_downgrade+0x880/0x880 [ 50.803201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.808728] ? kasan_check_read+0x11/0x20 [ 50.812963] tun_chr_write_iter+0xbd/0x160 [ 50.817198] do_iter_readv_writev+0x5e0/0x8e0 [ 50.821731] ? vfs_dedupe_file_range+0x780/0x780 [ 50.826480] ? rw_copy_check_uvector+0x2a6/0x330 [ 50.831228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.836801] ? rw_verify_area+0x118/0x360 [ 50.840984] do_iter_write+0x184/0x610 [ 50.844866] ? dup_iter+0x260/0x260 [ 50.848486] vfs_writev+0x1b3/0x2f0 [ 50.852115] ? vfs_iter_write+0xb0/0xb0 [ 50.856094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.861620] ? __handle_mm_fault+0x7cd/0x3ec0 [ 50.866111] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 50.870949] ? find_held_lock+0x35/0x130 [ 50.875007] ? __do_page_fault+0x623/0xda0 [ 50.879235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.884765] ? __fget_light+0x1a9/0x230 [ 50.888730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.894262] do_writev+0xf6/0x290 [ 50.897707] ? vfs_writev+0x2f0/0x2f0 [ 50.901500] ? do_syscall_64+0x26/0x610 [ 50.905509] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.910863] ? do_syscall_64+0x26/0x610 [ 50.914832] __x64_sys_writev+0x75/0xb0 [ 50.918797] do_syscall_64+0x103/0x610 [ 50.922686] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.929400] RIP: 0033:0x441ef0 [ 50.932586] 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 [ 50.951518] RSP: 002b:00007ffdd960c648 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 50.959214] RAX: ffffffffffffffda RBX: 00007ffdd960c690 RCX: 0000000000441ef0 [ 50.966477] RDX: 0000000000000001 RSI: 00007ffdd960c690 RDI: 00000000000000f0 [ 50.973773] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 50.981074] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdd960c660 [ 50.988360] R13: 0000000000403320 R14: 0000000000000000 R15: 0000000000000000 [ 50.995622] Modules linked in: [ 50.998867] ---[ end trace a36764f59f31509f ]--- [ 51.003673] RIP: 0010:xfrmi_decode_session+0x15c/0x6c0 [ 51.008958] 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 [ 51.027879] RSP: 0018:ffff8880a3817018 EFLAGS: 00010246 [ 51.033281] RAX: dffffc0000000000 RBX: ffff888093a42c80 RCX: ffffffff86073f43 [ 51.040550] RDX: 0000000000000000 RSI: ffffffff86073f80 RDI: ffff888096b43a88 [ 51.047842] RBP: ffff8880a3817040 R08: ffff8880a9236400 R09: ffffed1015d25bc8 [ 51.055136] R10: ffffed1015d25bc7 R11: ffff8880ae92de3b R12: 0000000000000000 [ 51.062439] R13: 0000000000000035 R14: ffff888093a42c90 R15: ffffffffffffffff [ 51.069717] FS: 0000000000da0880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 51.077979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.083881] CR2: 0000000020000440 CR3: 0000000097152000 CR4: 00000000001406e0 [ 51.091167] Kernel panic - not syncing: Fatal exception in interrupt [ 51.098332] Kernel Offset: disabled [ 51.101968] Rebooting in 86400 seconds..