[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 40.459125] audit: type=1800 audit(1571534231.372:33): pid=7421 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 [ 40.482900] audit: type=1800 audit(1571534231.372:34): pid=7421 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 [ 40.892566] audit: type=1400 audit(1571534231.802:35): avc: denied { map } for pid=7596 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.95' (ECDSA) to the list of known hosts. syzkaller login: [ 47.565698] audit: type=1400 audit(1571534238.482:36): avc: denied { map } for pid=7608 comm="syz-executor800" path="/root/syz-executor800211507" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 47.585356] IPVS: ftp: loaded support on port[0] = 21 [ 47.649847] chnl_net:caif_netlink_parms(): no params data found [ 47.680269] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.688480] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.695663] device bridge_slave_0 entered promiscuous mode [ 47.702883] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.709327] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.716357] device bridge_slave_1 entered promiscuous mode [ 47.734729] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 47.743697] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 47.759223] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 47.766945] team0: Port device team_slave_0 added [ 47.772434] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 47.779762] team0: Port device team_slave_1 added [ 47.785117] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 47.792374] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 47.845389] device hsr_slave_0 entered promiscuous mode [ 47.893758] device hsr_slave_1 entered promiscuous mode [ 47.963648] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 47.970761] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 47.984397] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.990796] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.997745] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.004147] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.036242] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 48.042492] 8021q: adding VLAN 0 to HW filter on device bond0 [ 48.051418] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 48.060448] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.079120] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.086329] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.094805] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 48.105062] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.111287] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.120728] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.128492] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.134878] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.154570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.162110] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.168505] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.176888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.184667] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.192135] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.201603] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.208704] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.218217] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.224347] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program [ 48.236406] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.247390] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.257334] kasan: CONFIG_KASAN_INLINE enabled [ 48.262002] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 48.269398] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 48.275631] CPU: 1 PID: 7609 Comm: syz-executor800 Not tainted 4.19.80 #0 [ 48.282548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.291905] RIP: 0010:xfrmi_decode_session+0x153/0x78c [ 48.297171] 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 8b 99 63 fb e8 c6 0e 76 [ 48.316057] RSP: 0018:ffff88808ed3f048 EFLAGS: 00010246 [ 48.321403] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff85f4bcfd [ 48.328666] RDX: 0000000000000000 RSI: ffffffff85f4b7ec RDI: ffff8880a689d788 [ 48.335929] RBP: ffff88808ed3f070 R08: ffff8880a394e680 R09: ffffed1015d24733 [ 48.343204] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: ffff8880a689d780 [ 48.350458] R13: 0000000000000039 R14: 000000000000000b R15: ffff8880894e8580 [ 48.357713] FS: 0000000001776880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 48.365982] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.371849] CR2: 0000000020000100 CR3: 000000008495c000 CR4: 00000000001406e0 [ 48.379104] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.386370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.393621] Call Trace: [ 48.396200] __xfrm_policy_check+0x1f6/0x2550 [ 48.400678] ? kasan_check_read+0x11/0x20 [ 48.404833] ? vti6_tnl_lookup+0x287/0x1020 [ 48.409137] ? find_held_lock+0x35/0x130 [ 48.413203] ? __xfrm_route_forward+0x810/0x810 [ 48.417851] ? __lock_is_held+0xb6/0x140 [ 48.421895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.427412] ? vti6_tnl_lookup+0x69a/0x1020 [ 48.431715] ? kasan_check_read+0x11/0x20 [ 48.435842] ? vti6_tnl_xmit+0x1bd0/0x1bd0 [ 48.440126] vti6_rcv+0x4b9/0x931 [ 48.443694] xfrm6_esp_rcv+0xd2/0x230 [ 48.447492] ip6_input_finish+0x36f/0x17c0 [ 48.451733] ip6_input+0xe4/0x3f0 [ 48.455183] ? ip6_input_finish+0x17c0/0x17c0 [ 48.459670] ? ip6_sublist_rcv+0xcf0/0xcf0 [ 48.463917] ? ipv6_chk_mcast_addr+0x2f2/0x6f0 [ 48.468488] ip6_mc_input+0x427/0xad9 [ 48.472273] ? ipv6_list_rcv+0x4c0/0x4c0 [ 48.476756] ip6_rcv_finish+0x1de/0x2f0 [ 48.480713] ipv6_rcv+0x119/0x430 [ 48.484164] ? ip6_rcv_core.isra.0+0x1b30/0x1b30 [ 48.488902] ? ip6_rcv_finish_core.isra.0+0x560/0x560 [ 48.494091] ? ip6_rcv_core.isra.0+0x1b30/0x1b30 [ 48.498833] __netif_receive_skb_one_core+0x113/0x1a0 [ 48.504017] ? __netif_receive_skb_core+0x3570/0x3570 [ 48.509188] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.514769] ? check_preemption_disabled+0x48/0x290 [ 48.519772] ? lock_acquire+0x16f/0x3f0 [ 48.523739] __netif_receive_skb+0x2c/0x1d0 [ 48.528048] netif_receive_skb_internal+0x117/0x700 [ 48.533052] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 48.538740] ? dev_cpu_dead+0x920/0x920 [ 48.542706] ? eth_gro_receive+0x8a0/0x8a0 [ 48.546942] napi_gro_frags+0x602/0xa20 [ 48.550904] tun_get_user+0x2ed8/0x4ba0 [ 48.554877] ? mark_held_locks+0x100/0x100 [ 48.559099] ? tun_build_skb.isra.0+0x1950/0x1950 [ 48.563926] ? tun_get+0x171/0x290 [ 48.567468] ? lock_downgrade+0x880/0x880 [ 48.571600] ? kasan_check_read+0x11/0x20 [ 48.575733] tun_chr_write_iter+0xbd/0x156 [ 48.579951] do_iter_readv_writev+0x558/0x830 [ 48.584429] ? vfs_dedupe_file_range+0x6f0/0x6f0 [ 48.589181] ? security_file_permission+0x89/0x230 [ 48.594091] ? rw_verify_area+0x118/0x360 [ 48.598219] do_iter_write+0x184/0x5f0 [ 48.602086] ? dup_iter+0x270/0x270 [ 48.605694] vfs_writev+0x1b3/0x2f0 [ 48.609302] ? vfs_iter_write+0xb0/0xb0 [ 48.613258] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 48.618084] ? __do_page_fault+0x676/0xe90 [ 48.622315] ? lock_downgrade+0x880/0x880 [ 48.626444] ? count_memcg_event_mm+0x2b1/0x4d0 [ 48.631107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 48.636626] ? __fget_light+0x1a9/0x230 [ 48.640580] do_writev+0x15e/0x370 [ 48.644101] ? vfs_writev+0x2f0/0x2f0 [ 48.647883] ? do_syscall_64+0x26/0x620 [ 48.651853] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.657198] ? do_syscall_64+0x26/0x620 [ 48.661156] __x64_sys_writev+0x75/0xb0 [ 48.665126] do_syscall_64+0xfd/0x620 [ 48.668917] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.674101] RIP: 0033:0x442280 [ 48.677278] 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 91 9d 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 [ 48.696161] RSP: 002b:00007ffc1a21a8b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 48.703852] RAX: ffffffffffffffda RBX: 00007ffc1a21a910 RCX: 0000000000442280 [ 48.711119] RDX: 0000000000000001 RSI: 00007ffc1a21a910 RDI: 00000000000000f0 [ 48.718411] RBP: 0000000000000003 R08: 0000000000000100 R09: 0000000000000000 [ 48.725661] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc1a21a8d0 [ 48.732912] R13: 0000000000403670 R14: 0000000000000000 R15: 0000000000000000 [ 48.740184] Modules linked in: [ 48.743415] ---[ end trace 8b592aced1b95d16 ]--- [ 48.748190] RIP: 0010:xfrmi_decode_session+0x153/0x78c [ 48.753500] 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 8b 99 63 fb e8 c6 0e 76 [ 48.772447] RSP: 0018:ffff88808ed3f048 EFLAGS: 00010246 [ 48.777835] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff85f4bcfd [ 48.785161] RDX: 0000000000000000 RSI: ffffffff85f4b7ec RDI: ffff8880a689d788 [ 48.792411] RBP: ffff88808ed3f070 R08: ffff8880a394e680 R09: ffffed1015d24733 [ 48.799690] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: ffff8880a689d780 [ 48.806979] R13: 0000000000000039 R14: 000000000000000b R15: ffff8880894e8580 [ 48.814273] FS: 0000000001776880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 48.822491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.828383] CR2: 0000000020000100 CR3: 000000008495c000 CR4: 00000000001406e0 [ 48.835661] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.842910] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.850191] Kernel panic - not syncing: Fatal exception in interrupt [ 48.858030] Kernel Offset: disabled [ 48.861655] Rebooting in 86400 seconds..