Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts. [ 40.344642] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 40.475144] audit: type=1400 audit(1579480319.733:36): avc: denied { map } for pid=7379 comm="syz-executor404" path="/root/syz-executor404510055" 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 [ 40.501581] kasan: CONFIG_KASAN_INLINE enabled [ 40.501647] audit: type=1400 audit(1579480319.733:37): avc: denied { create } for pid=7379 comm="syz-executor404" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 40.506462] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 40.531191] audit: type=1400 audit(1579480319.733:38): avc: denied { write } for pid=7379 comm="syz-executor404" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 40.562806] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 40.562813] Modules linked in: [ 40.562824] CPU: 0 PID: 7379 Comm: syz-executor404 Not tainted 4.14.166-syzkaller #0 [ 40.562827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.562831] task: ffff8880862a4440 task.stack: ffff888080618000 [ 40.562852] RIP: 0010:get_unique_tuple+0x230/0x19e0 [ 40.562860] RSP: 0018:ffff88808061eea0 EFLAGS: 00010246 [ 40.605860] RAX: dffffc0000000000 RBX: ffff88808061f028 RCX: 1ffffffff1167624 [ 40.613109] RDX: 0000000000000000 RSI: ffffffff87f872a0 RDI: ffffffff88b3b120 [ 40.620361] RBP: ffff88808061efc8 R08: 0000000000000000 R09: ffff8880862a4d30 [ 40.627617] R10: ffff8880862a4d10 R11: ffff8880862a4440 R12: 0000000000000000 [ 40.634870] R13: 0000000000000070 R14: ffff88808061f04e R15: ffff88808061f078 [ 40.642129] FS: 0000000001303880(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 [ 40.650342] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.656212] CR2: 0000000020000280 CR3: 000000009d7b8000 CR4: 00000000001406f0 [ 40.663470] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.670726] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.677989] Call Trace: [ 40.680566] ? find_held_lock+0x35/0x130 [ 40.684607] ? nf_ct_invert_tuplepr+0x17d/0x2c0 [ 40.689272] ? nfnl_compat_get+0x950/0x950 [ 40.693512] ? hash_by_src+0x360/0x360 [ 40.697451] ? lock_downgrade+0x740/0x740 [ 40.701609] ? nf_ct_invert_tuplepr+0x1a4/0x2c0 [ 40.706262] nf_nat_setup_info+0x1bd/0x7f0 [ 40.710480] ? nf_nat_proto_clean+0x1c0/0x1c0 [ 40.714972] ? kmem_cache_alloc+0x12e/0x780 [ 40.719283] ? __nf_conntrack_alloc+0xa2/0x5e0 [ 40.723850] ? nf_conntrack_alloc+0x38/0x50 [ 40.728167] ? netlink_unicast+0x44d/0x650 [ 40.732402] ? netlink_sendmsg+0x7c4/0xc60 [ 40.736621] ? sock_sendmsg+0xce/0x110 [ 40.740487] ? ___sys_sendmsg+0x70a/0x840 [ 40.744631] ? __sys_sendmsg+0xb9/0x140 [ 40.748614] ? SyS_sendmsg+0x2d/0x50 [ 40.752329] ? do_syscall_64+0x1e8/0x640 [ 40.756387] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 40.761746] ? save_trace+0x290/0x290 [ 40.765584] ? save_trace+0x290/0x290 [ 40.769379] __nf_nat_alloc_null_binding+0x13f/0x180 [ 40.774518] ? nf_nat_setup_info+0x7f0/0x7f0 [ 40.778925] ? __lock_is_held+0xb6/0x140 [ 40.783008] ? check_preemption_disabled+0x3c/0x250 [ 40.789586] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 40.795027] nfnetlink_parse_nat_setup+0x34a/0x3b0 [ 40.800076] ? nfnl_compat_get+0x950/0x950 [ 40.804317] ? nf_nat_alloc_null_binding+0x50/0x50 [ 40.809243] ? rcu_read_lock_sched_held+0x110/0x130 [ 40.814257] ? __lock_is_held+0xb6/0x140 [ 40.818307] ? check_preemption_disabled+0x3c/0x250 [ 40.823317] ? nf_nat_alloc_null_binding+0x50/0x50 [ 40.828252] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 40.833817] ? nf_nat_alloc_null_binding+0x50/0x50 [ 40.838790] ctnetlink_parse_nat_setup+0x76/0x4a0 [ 40.843686] ctnetlink_create_conntrack+0x468/0x10c0 [ 40.848790] ? queue_work_on+0xfd/0x1d0 [ 40.852757] ? ctnetlink_del_conntrack+0x5e0/0x5e0 [ 40.857717] ? hash_conntrack_raw+0x2c1/0x430 [ 40.862195] ? nf_ct_get_id+0x170/0x170 [ 40.866191] ctnetlink_new_conntrack+0x4af/0xcc0 [ 40.870945] ? ctnetlink_create_conntrack+0x10c0/0x10c0 [ 40.876350] ? ctnetlink_create_conntrack+0x10c0/0x10c0 [ 40.881728] nfnetlink_rcv_msg+0xa08/0xc00 [ 40.885966] netlink_rcv_skb+0x14f/0x3c0 [ 40.890025] ? nfnetlink_bind+0x240/0x240 [ 40.894214] ? netlink_ack+0x9a0/0x9a0 [ 40.898138] ? ns_capable_common+0x12c/0x160 [ 40.902544] ? __netlink_ns_capable+0xe2/0x130 [ 40.907120] nfnetlink_rcv+0x1ab/0x1650 [ 40.911087] ? netlink_deliver_tap+0x93/0x8f0 [ 40.915674] ? find_held_lock+0x35/0x130 [ 40.919767] ? netlink_deliver_tap+0x93/0x8f0 [ 40.924250] ? nfnl_err_del+0x160/0x160 [ 40.928212] ? lock_downgrade+0x740/0x740 [ 40.932370] ? netlink_deliver_tap+0xba/0x8f0 [ 40.936863] netlink_unicast+0x44d/0x650 [ 40.940919] ? netlink_attachskb+0x6a0/0x6a0 [ 40.945309] ? security_netlink_send+0x81/0xb0 [ 40.949891] netlink_sendmsg+0x7c4/0xc60 [ 40.953944] ? netlink_unicast+0x650/0x650 [ 40.958174] ? security_socket_sendmsg+0x89/0xb0 [ 40.962924] ? netlink_unicast+0x650/0x650 [ 40.967159] sock_sendmsg+0xce/0x110 [ 40.970871] ___sys_sendmsg+0x70a/0x840 [ 40.974839] ? lock_downgrade+0x740/0x740 [ 40.978990] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 40.983739] ? do_raw_spin_unlock+0x174/0x260 [ 40.988216] ? _raw_spin_unlock+0x2d/0x50 [ 40.992351] ? do_huge_pmd_anonymous_page+0x2f9/0x1200 [ 40.997688] ? thp_get_unmapped_area+0x1c0/0x1c0 [ 41.002484] ? __handle_mm_fault+0x692/0x33d0 [ 41.006965] ? save_trace+0x290/0x290 [ 41.010765] ? copy_page_range+0x1de0/0x1de0 [ 41.015164] ? __do_page_fault+0x4e9/0xb80 [ 41.019389] ? __fget_light+0x172/0x1f0 [ 41.023347] ? __fdget+0x1b/0x20 [ 41.026697] ? sockfd_lookup_light+0xb4/0x160 [ 41.031180] __sys_sendmsg+0xb9/0x140 [ 41.034972] ? SyS_shutdown+0x170/0x170 [ 41.038940] SyS_sendmsg+0x2d/0x50 [ 41.042504] ? __sys_sendmsg+0x140/0x140 [ 41.046549] do_syscall_64+0x1e8/0x640 [ 41.050430] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.055275] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 41.060452] RIP: 0033:0x4401a9 [ 41.063621] RSP: 002b:00007fff853f0f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 41.071328] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401a9 [ 41.078593] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 41.085857] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 41.093169] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a30 [ 41.100515] R13: 0000000000401ac0 R14: 0000000000000000 R15: 0000000000000000 [ 41.107778] Code: 48 c1 e9 03 80 3c 11 00 0f 85 91 14 00 00 4a 8b 14 e5 a0 ad b3 88 4c 8d 24 c2 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 81 14 00 00 49 8b 04 24 48 89 85 30 ff ff ff [ 41.126872] RIP: get_unique_tuple+0x230/0x19e0 RSP: ffff88808061eea0 [ 41.134509] ---[ end trace cdba84fba277e7a2 ]--- [ 41.139280] Kernel panic - not syncing: Fatal exception [ 41.146203] Kernel Offset: disabled [ 41.149832] Rebooting in 86400 seconds..