[ 40.674090] audit: type=1800 audit(1565052074.296:32): pid=7505 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2450 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting O[ 41.490297] audit: type=1800 audit(1565052075.196:33): pid=7505 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=2465 res=0 penBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.142' (ECDSA) to the list of known hosts. syzkaller login: [ 51.520208] kauditd_printk_skb: 2 callbacks suppressed [ 51.520224] audit: type=1400 audit(1565052085.226:36): avc: denied { map } for pid=7691 comm="syz-executor968" path="/root/syz-executor968928810" 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 [ 51.547229] IPVS: ftp: loaded support on port[0] = 21 [ 51.614013] chnl_net:caif_netlink_parms(): no params data found [ 51.648647] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.655651] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.662991] device bridge_slave_0 entered promiscuous mode [ 51.670715] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.677217] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.684270] device bridge_slave_1 entered promiscuous mode [ 51.700283] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.709778] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.729360] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.737091] team0: Port device team_slave_0 added [ 51.742523] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.749923] team0: Port device team_slave_1 added [ 51.755218] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.762446] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.815939] device hsr_slave_0 entered promiscuous mode [ 51.884482] device hsr_slave_1 entered promiscuous mode [ 51.934318] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.941401] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.955974] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.962531] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.969644] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.976049] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.007192] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 52.013521] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.021466] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.030636] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.050952] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.058549] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.067031] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.077076] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.083159] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.092849] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.100812] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.107205] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.118259] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.126111] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.132441] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.148205] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.157177] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.168291] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.182122] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 52.192758] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network executing program [ 52.204364] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 52.210919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.219081] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.227024] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 52.238497] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 52.249311] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.259787] kasan: CONFIG_KASAN_INLINE enabled [ 52.264721] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 52.272101] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 52.278355] CPU: 0 PID: 7692 Comm: syz-executor968 Not tainted 4.19.64 #38 [ 52.285354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.294730] RIP: 0010:xfrmi_decode_session+0x153/0x78c [ 52.299992] Code: 7c dc 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 06 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c dc 10 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 d9 05 00 00 4c 8b 23 e8 db 25 62 fb e8 46 8f 74 [ 52.318907] RSP: 0018:ffff8880745f7178 EFLAGS: 00010246 [ 52.324263] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff85f6bb62 [ 52.331539] RDX: 0000000000000000 RSI: ffffffff85f6b59c RDI: ffff88808a285788 [ 52.338861] RBP: ffff8880745f71a0 R08: ffff8880a862e000 R09: ffffed1015d04733 [ 52.346222] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: ffff88808a285780 [ 52.353478] R13: 0000000000000039 R14: 000000000000000b R15: ffff888099458540 [ 52.360741] FS: 00000000010d5880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 52.368974] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.374843] CR2: 0000000020000000 CR3: 00000000940d8000 CR4: 00000000001406f0 [ 52.382115] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.389392] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.396651] Call Trace: [ 52.399327] __xfrm_policy_check+0x1f6/0x2550 [ 52.403820] ? kasan_check_read+0x11/0x20 [ 52.407959] ? __xfrm_route_forward+0x810/0x810 [ 52.412628] ? nf_ct_deliver_cached_events+0x216/0x6e0 [ 52.417892] ? __lock_is_held+0xb6/0x140 [ 52.421941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.427482] ? ip_tunnel_lookup+0xa0f/0xe00 [ 52.431785] vti_input+0x50f/0x770 [ 52.435332] vti_rcv+0x10b/0x140 [ 52.438683] xfrm4_esp_rcv+0xd2/0x230 [ 52.442464] ip_local_deliver_finish+0x27e/0xc20 [ 52.447215] ip_local_deliver+0x1e9/0x520 [ 52.451350] ? ip_call_ra_chain+0x5c0/0x5c0 [ 52.455671] ? ip_sublist_rcv_finish+0x310/0x310 [ 52.460583] ? ip_rcv_finish_core.isra.0+0x803/0x1af0 [ 52.465757] ip_rcv_finish+0x1d9/0x2e0 [ 52.469640] ip_rcv+0xe8/0x3f0 [ 52.472902] ? ip_local_deliver+0x520/0x520 [ 52.477210] ? ip_rcv_finish_core.isra.0+0x1af0/0x1af0 [ 52.482515] ? ip_local_deliver+0x520/0x520 [ 52.486828] __netif_receive_skb_one_core+0x113/0x1a0 [ 52.492022] ? __netif_receive_skb_core+0x3570/0x3570 [ 52.497202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.502737] ? check_preemption_disabled+0x48/0x290 [ 52.507745] ? lock_acquire+0x16f/0x3f0 [ 52.511707] __netif_receive_skb+0x2c/0x1d0 [ 52.516012] netif_receive_skb_internal+0x117/0x700 [ 52.521015] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 52.526563] ? dev_cpu_dead+0x920/0x920 [ 52.530523] ? eth_gro_receive+0x8a0/0x8a0 [ 52.534747] napi_gro_frags+0x602/0xa20 [ 52.538728] tun_get_user+0x2ed8/0x4ba0 [ 52.542686] ? mark_held_locks+0x100/0x100 [ 52.546916] ? tun_build_skb.isra.0+0x1910/0x1910 [ 52.551744] ? tun_get+0x171/0x290 [ 52.555272] ? lock_downgrade+0x810/0x810 [ 52.559429] ? kasan_check_read+0x11/0x20 [ 52.563577] tun_chr_write_iter+0xbd/0x156 [ 52.567806] do_iter_readv_writev+0x558/0x830 [ 52.572298] ? vfs_dedupe_file_range+0x6f0/0x6f0 [ 52.577064] ? security_file_permission+0x89/0x230 [ 52.581988] ? rw_verify_area+0x118/0x360 [ 52.586122] do_iter_write+0x184/0x5f0 [ 52.589991] ? dup_iter+0x270/0x270 [ 52.593601] vfs_writev+0x1b3/0x2f0 [ 52.597206] ? vfs_iter_write+0xb0/0xb0 [ 52.601162] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 52.605991] ? __do_page_fault+0x676/0xe90 [ 52.610211] ? lock_downgrade+0x810/0x810 [ 52.614351] ? count_memcg_event_mm+0x2b1/0x4d0 [ 52.619005] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 52.624528] ? __fget_light+0x1a9/0x230 [ 52.628502] do_writev+0x15e/0x370 [ 52.632041] ? vfs_writev+0x2f0/0x2f0 [ 52.635847] ? do_syscall_64+0x26/0x620 [ 52.639810] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.645160] ? do_syscall_64+0x26/0x620 [ 52.649118] __x64_sys_writev+0x75/0xb0 [ 52.653074] do_syscall_64+0xfd/0x620 [ 52.656860] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.662030] RIP: 0033:0x4420b0 [ 52.665206] Code: 05 48 3d 01 f0 ff ff 0f 83 fd 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 61 8f 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 0e fc ff c3 48 83 ec 08 e8 7a 2b 00 00 [ 52.684110] RSP: 002b:00007fff2ea80e38 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 52.692247] RAX: ffffffffffffffda RBX: 00007fff2ea80e90 RCX: 00000000004420b0 [ 52.699528] RDX: 0000000000000001 RSI: 00007fff2ea80e90 RDI: 00000000000000f0 [ 52.706805] RBP: 00007fff2ea80e50 R08: 000000000000aa14 R09: 0000000000000000 [ 52.714066] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 52.721322] R13: 00000000004034a0 R14: 0000000000000000 R15: 0000000000000000 [ 52.728581] Modules linked in: [ 52.731823] ---[ end trace 2b96cb2422e88958 ]--- [ 52.736611] RIP: 0010:xfrmi_decode_session+0x153/0x78c [ 52.741875] Code: 7c dc 10 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 06 06 00 00 48 b8 00 00 00 00 00 fc ff df 49 8b 5c dc 10 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 d9 05 00 00 4c 8b 23 e8 db 25 62 fb e8 46 8f 74 [ 52.760804] RSP: 0018:ffff8880745f7178 EFLAGS: 00010246 [ 52.766197] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff85f6bb62 [ 52.773487] RDX: 0000000000000000 RSI: ffffffff85f6b59c RDI: ffff88808a285788 [ 52.780773] RBP: ffff8880745f71a0 R08: ffff8880a862e000 R09: ffffed1015d04733 [ 52.788074] R10: ffffed1015d04732 R11: ffff8880ae823993 R12: ffff88808a285780 [ 52.795390] R13: 0000000000000039 R14: 000000000000000b R15: ffff888099458540 [ 52.802650] FS: 00000000010d5880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 52.810913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.816819] CR2: 0000000020000000 CR3: 00000000940d8000 CR4: 00000000001406f0 [ 52.824108] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.831389] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.838696] Kernel panic - not syncing: Fatal exception in interrupt [ 52.846482] Kernel Offset: disabled [ 52.850146] Rebooting in 86400 seconds..