Warning: Permanently added '10.128.0.27' (ECDSA) to the list of known hosts. syzkaller login: [ 58.550165] kauditd_printk_skb: 5 callbacks suppressed [ 58.550181] audit: type=1400 audit(1554907921.026:36): avc: denied { map } for pid=7894 comm="syz-executor074" path="/root/syz-executor074634153" 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 [ 58.579090] IPVS: ftp: loaded support on port[0] = 21 [ 58.647036] chnl_net:caif_netlink_parms(): no params data found [ 58.681385] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.688375] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.696303] device bridge_slave_0 entered promiscuous mode [ 58.704022] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.710491] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.717887] device bridge_slave_1 entered promiscuous mode [ 58.734030] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.743452] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.761173] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 58.769430] team0: Port device team_slave_0 added [ 58.775262] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 58.782539] team0: Port device team_slave_1 added [ 58.788094] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 58.795981] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 58.845389] device hsr_slave_0 entered promiscuous mode [ 58.883542] device hsr_slave_1 entered promiscuous mode [ 58.924267] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 58.931413] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 58.945737] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.952403] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.959467] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.966367] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.999125] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 59.006914] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.016052] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.025672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.044765] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.052333] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.060176] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 59.071405] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 59.077893] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.104840] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.112489] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.128226] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.144528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.152292] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.158824] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.175868] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.185988] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.198300] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.205644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.214285] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.222134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.230098] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.238107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.245075] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 59.256990] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.269050] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.280012] kasan: CONFIG_KASAN_INLINE enabled [ 59.284789] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 59.292289] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 59.298530] CPU: 1 PID: 7895 Comm: syz-executor074 Not tainted 4.19.34 #2 [ 59.305450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.315045] RIP: 0010:xfrmi_decode_session+0xeb/0x630 [ 59.320297] Code: 7c e7 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 fd 04 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 e7 10 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 2c 05 00 00 4d 8b 3c 24 e8 92 eb 66 fb e8 ad 42 [ 59.339563] RSP: 0018:ffff8880805a7120 EFLAGS: 00010a06 [ 59.344919] RAX: dffffc0000000000 RBX: ffff88809a0b6080 RCX: ffffffff85ed422e [ 59.352191] RDX: 1bd5a00000000000 RSI: ffffffff85f1f405 RDI: ffff888097654788 [ 59.359466] RBP: ffff8880805a7148 R08: ffff888097c8a240 R09: ffffed1015d24733 [ 59.366733] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: dead000000000000 [ 59.374060] R13: 0000000000000037 R14: ffff88809a0b6090 R15: ffff888097654780 [ 59.381378] FS: 0000000001dae880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 59.389697] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.395748] CR2: 0000000020000000 CR3: 00000000941f6000 CR4: 00000000001406e0 [ 59.403032] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.410296] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.417555] Call Trace: [ 59.420145] __xfrm_policy_check+0x1fa/0x2560 [ 59.424669] ? kasan_check_read+0x11/0x20 [ 59.428839] ? vti6_tnl_lookup+0x287/0x1020 [ 59.433177] ? find_held_lock+0x35/0x130 [ 59.437239] ? __xfrm_route_forward+0x870/0x870 [ 59.442132] ? __lock_is_held+0xb6/0x140 [ 59.446335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.451879] ? vti6_tnl_lookup+0x69a/0x1020 [ 59.456422] ? vti6_init_net+0x820/0x820 [ 59.461124] ? check_preemption_disabled+0x48/0x290 [ 59.466213] vti6_rcv+0x4b9/0x960 [ 59.469789] xfrm6_esp_rcv+0xd8/0x230 [ 59.473677] ip6_input_finish+0x374/0x1810 [ 59.478063] ip6_input+0xe4/0x3f0 [ 59.481558] ? ip6_input_finish+0x1810/0x1810 [ 59.486059] ? ip6_sublist_rcv+0xd10/0xd10 [ 59.490296] ip6_rcv_finish+0x1e7/0x320 [ 59.494270] ipv6_rcv+0x119/0x430 [ 59.497729] ? ip6_rcv_core.isra.0+0x1b10/0x1b10 [ 59.502539] ? ip6_rcv_finish_core.isra.0+0x590/0x590 [ 59.507733] ? ip6_rcv_core.isra.0+0x1b10/0x1b10 [ 59.512520] __netif_receive_skb_one_core+0x115/0x1a0 [ 59.517776] ? __netif_receive_skb_core+0x2f90/0x2f90 [ 59.522986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.528528] ? check_preemption_disabled+0x48/0x290 [ 59.535352] ? lock_acquire+0x16f/0x3f0 [ 59.539453] __netif_receive_skb+0x2c/0x1d0 [ 59.553807] netif_receive_skb_internal+0x117/0x520 [ 59.564835] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 59.575840] ? dev_cpu_dead+0x920/0x920 [ 59.582413] ? eth_gro_receive+0x8a0/0x8a0 [ 59.589062] napi_gro_frags+0x623/0xa30 [ 59.593734] tun_get_user+0x2edb/0x4bb0 [ 59.598289] ? mark_held_locks+0x100/0x100 [ 59.603478] ? tun_build_skb.isra.0+0x1900/0x1900 [ 59.609603] ? tun_get+0x171/0x290 [ 59.613339] ? lock_downgrade+0x810/0x810 [ 59.617492] ? kasan_check_read+0x11/0x20 [ 59.621633] tun_chr_write_iter+0xbd/0x156 [ 59.625928] do_iter_readv_writev+0x55d/0x830 [ 59.630471] ? vfs_dedupe_file_range+0x6f0/0x6f0 [ 59.635462] ? security_file_permission+0x8f/0x230 [ 59.640586] ? rw_verify_area+0x118/0x360 [ 59.644801] do_iter_write+0x184/0x600 [ 59.648700] ? dup_iter+0x280/0x280 [ 59.652390] vfs_writev+0x1b3/0x2f0 [ 59.656147] ? vfs_iter_write+0xb0/0xb0 [ 59.660118] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 59.665024] ? find_held_lock+0x35/0x130 [ 59.669165] ? __do_page_fault+0x676/0xe90 [ 59.673489] ? lock_downgrade+0x810/0x810 [ 59.677775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.683459] ? __fget_light+0x1a9/0x230 [ 59.687562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 59.693214] do_writev+0xf6/0x290 [ 59.696725] ? vfs_writev+0x2f0/0x2f0 [ 59.700703] ? do_syscall_64+0x26/0x610 [ 59.704697] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.710255] ? do_syscall_64+0x26/0x610 [ 59.714379] __x64_sys_writev+0x75/0xb0 [ 59.718378] do_syscall_64+0x103/0x610 [ 59.722270] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.727598] RIP: 0033:0x442060 [ 59.730895] 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 8f 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 [ 59.749964] RSP: 002b:00007fff67d2e1c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 59.757726] RAX: ffffffffffffffda RBX: 00007fff67d2e210 RCX: 0000000000442060 [ 59.765007] RDX: 0000000000000001 RSI: 00007fff67d2e210 RDI: 00000000000000f0 [ 59.772279] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 59.779650] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff67d2e1e0 [ 59.786996] R13: 0000000000403490 R14: 0000000000000000 R15: 0000000000000000 [ 59.794269] Modules linked in: [ 59.797557] ---[ end trace 1bcf017648b8252b ]--- [ 59.802379] RIP: 0010:xfrmi_decode_session+0xeb/0x630 [ 59.807650] Code: 7c e7 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 fd 04 00 00 48 b8 00 00 00 00 00 fc ff df 4f 8b 64 e7 10 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 2c 05 00 00 4d 8b 3c 24 e8 92 eb 66 fb e8 ad 42 [ 59.827015] RSP: 0018:ffff8880805a7120 EFLAGS: 00010a06 [ 59.832436] RAX: dffffc0000000000 RBX: ffff88809a0b6080 RCX: ffffffff85ed422e [ 59.839881] RDX: 1bd5a00000000000 RSI: ffffffff85f1f405 RDI: ffff888097654788 [ 59.847896] RBP: ffff8880805a7148 R08: ffff888097c8a240 R09: ffffed1015d24733 [ 59.855614] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: dead000000000000 [ 59.862891] R13: 0000000000000037 R14: ffff88809a0b6090 R15: ffff888097654780 [ 59.870370] FS: 0000000001dae880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 59.878763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.884686] CR2: 0000000020000000 CR3: 00000000941f6000 CR4: 00000000001406e0 [ 59.891964] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.899594] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.906877] Kernel panic - not syncing: Fatal exception in interrupt [ 59.914041] Kernel Offset: disabled [ 59.917682] Rebooting in 86400 seconds..