Warning: Permanently added '10.128.0.176' (ECDSA) to the list of known hosts. [ 43.858613] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 43.991333] audit: type=1400 audit(1579577939.315:36): avc: denied { map } for pid=7425 comm="syz-executor647" path="/root/syz-executor647136469" 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 [ 44.023370] audit: type=1400 audit(1579577939.315:37): avc: denied { create } for pid=7425 comm="syz-executor647" 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 [ 44.023821] kasan: CONFIG_KASAN_INLINE enabled [ 44.057878] audit: type=1400 audit(1579577939.315:38): avc: denied { write } for pid=7425 comm="syz-executor647" 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 [ 44.089426] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 44.089448] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 44.089454] Modules linked in: [ 44.089463] CPU: 0 PID: 7425 Comm: syz-executor647 Not tainted 4.14.166-syzkaller #0 [ 44.089467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.089472] task: ffff88808b8440c0 task.stack: ffff88808ce28000 [ 44.089485] RIP: 0010:nfnetlink_parse_nat_setup+0x212/0x3b0 [ 44.089492] RSP: 0018:ffff88808ce2f208 EFLAGS: 00010246 [ 44.146422] RAX: ffffffff854d1300 RBX: ffff88808ce2f290 RCX: 0000000000000000 [ 44.154412] RDX: 1ffffffff0a9a267 RSI: ffff88808ce2f240 RDI: ffff88808ce2f290 [ 44.161682] RBP: ffff88808ce2f308 R08: 1ffff110119c5e52 R09: ffff88808ce2f290 [ 44.169302] R10: ffffed10119c5e57 R11: ffff88808ce2f2bf R12: ffff888090ef9dc0 [ 44.176798] R13: 0000000000000000 R14: ffff88808ce2f2e0 R15: ffff88808ce2f240 [ 44.184684] FS: 000000000186e880(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 [ 44.193615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.200686] CR2: 0000557864f5b190 CR3: 00000000a7eb6000 CR4: 00000000001406f0 [ 44.211557] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.222362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.232099] Call Trace: [ 44.234970] ? nft_ng_inc_eval+0x1b0/0x1b0 [ 44.239416] ? nf_nat_alloc_null_binding+0x50/0x50 [ 44.245166] ? rcu_read_lock_sched_held+0x110/0x130 [ 44.250988] ? __lock_is_held+0xb6/0x140 [ 44.255045] ? check_preemption_disabled+0x3c/0x250 [ 44.261561] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 44.268164] ? nf_nat_alloc_null_binding+0x50/0x50 [ 44.273714] ctnetlink_parse_nat_setup+0x76/0x4a0 [ 44.282025] ctnetlink_create_conntrack+0x468/0x10c0 [ 44.287529] ? queue_work_on+0xfd/0x1d0 [ 44.293685] ? ctnetlink_del_conntrack+0x5e0/0x5e0 [ 44.299454] ? hash_conntrack_raw+0x2c1/0x430 [ 44.307964] ? nf_ct_get_id+0x170/0x170 [ 44.312463] ctnetlink_new_conntrack+0x4af/0xcc0 [ 44.319697] ? ctnetlink_create_conntrack+0x10c0/0x10c0 [ 44.326189] ? ctnetlink_create_conntrack+0x10c0/0x10c0 [ 44.332842] nfnetlink_rcv_msg+0xa08/0xc00 [ 44.337483] netlink_rcv_skb+0x14f/0x3c0 [ 44.343197] ? nfnetlink_bind+0x240/0x240 [ 44.348552] ? netlink_ack+0x9a0/0x9a0 [ 44.352930] ? ns_capable_common+0x12c/0x160 [ 44.359573] ? __netlink_ns_capable+0xe2/0x130 [ 44.367620] nfnetlink_rcv+0x1ab/0x1650 [ 44.372175] ? netlink_deliver_tap+0x93/0x8f0 [ 44.377317] ? find_held_lock+0x35/0x130 [ 44.382928] ? netlink_deliver_tap+0x93/0x8f0 [ 44.387946] ? nfnl_err_del+0x160/0x160 [ 44.393570] ? lock_downgrade+0x740/0x740 [ 44.398004] ? netlink_deliver_tap+0xba/0x8f0 [ 44.402742] netlink_unicast+0x44d/0x650 [ 44.406990] ? netlink_attachskb+0x6a0/0x6a0 [ 44.411600] ? security_netlink_send+0x81/0xb0 [ 44.416302] netlink_sendmsg+0x7c4/0xc60 [ 44.420476] ? netlink_unicast+0x650/0x650 [ 44.425552] ? security_socket_sendmsg+0x89/0xb0 [ 44.430748] ? netlink_unicast+0x650/0x650 [ 44.434989] sock_sendmsg+0xce/0x110 [ 44.438753] ___sys_sendmsg+0x70a/0x840 [ 44.454812] ? lock_downgrade+0x740/0x740 [ 44.458971] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 44.464600] ? do_raw_spin_unlock+0x174/0x260 [ 44.469103] ? _raw_spin_unlock+0x2d/0x50 [ 44.473325] ? do_huge_pmd_anonymous_page+0x2f9/0x1200 [ 44.479013] ? thp_get_unmapped_area+0x1c0/0x1c0 [ 44.484168] ? __handle_mm_fault+0x692/0x33d0 [ 44.488840] ? save_trace+0x290/0x290 [ 44.493587] ? copy_page_range+0x1de0/0x1de0 [ 44.498225] ? __do_page_fault+0x4e9/0xb80 [ 44.504273] ? __fget_light+0x172/0x1f0 [ 44.509070] ? __fdget+0x1b/0x20 [ 44.514628] ? sockfd_lookup_light+0xb4/0x160 [ 44.521489] __sys_sendmsg+0xb9/0x140 [ 44.526383] ? SyS_shutdown+0x170/0x170 [ 44.532967] SyS_sendmsg+0x2d/0x50 [ 44.536509] ? __sys_sendmsg+0x140/0x140 [ 44.541307] do_syscall_64+0x1e8/0x640 [ 44.545730] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.550880] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.556075] RIP: 0033:0x440289 [ 44.559386] RSP: 002b:00007ffcc56b5fc8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 44.567332] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440289 [ 44.574840] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000003 [ 44.582258] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 44.589638] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b10 [ 44.597087] R13: 0000000000401ba0 R14: 0000000000000000 R15: 0000000000000000 [ 44.604499] Code: 8d 78 38 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 98 01 00 00 48 8b 85 10 ff ff ff 4c 89 fe 48 89 df 50 38 85 c0 0f 88 01 01 00 00 e8 be 5f 14 fc 4d 8b 76 c8 4d [ 44.624353] RIP: nfnetlink_parse_nat_setup+0x212/0x3b0 RSP: ffff88808ce2f208 [ 44.633911] ---[ end trace 16f544ce5f839d22 ]--- [ 44.640276] Kernel panic - not syncing: Fatal exception [ 44.652116] Kernel Offset: disabled [ 44.657721] Rebooting in 86400 seconds..