Warning: Permanently added '10.128.10.42' (ECDSA) to the list of known hosts. [ 43.037609] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 43.161252] audit: type=1400 audit(1580430574.174:36): avc: denied { map } for pid=7299 comm="syz-executor424" path="/root/syz-executor424501647" 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 [ 43.188085] audit: type=1400 audit(1580430574.174:37): avc: denied { create } for pid=7299 comm="syz-executor424" 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 [ 43.188291] kasan: CONFIG_KASAN_INLINE enabled [ 43.213931] audit: type=1400 audit(1580430574.174:38): avc: denied { write } for pid=7299 comm="syz-executor424" 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 [ 43.241138] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 43.241151] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 43.241155] Modules linked in: [ 43.241164] CPU: 1 PID: 7299 Comm: syz-executor424 Not tainted 4.14.169-syzkaller #0 [ 43.241168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.241172] task: ffff888092f74680 task.stack: ffff888091910000 [ 43.241182] RIP: 0010:nfnetlink_parse_nat_setup+0x1fb/0x3b0 [ 43.241186] RSP: 0018:ffff888091917208 EFLAGS: 00010202 [ 43.241192] RAX: dffffc0000000000 RBX: ffff888091917290 RCX: 0000000000000000 [ 43.241196] RDX: 0000000060000007 RSI: 0000000000000000 RDI: 000000030000003b [ 43.241200] RBP: ffff888091917308 R08: 1ffff11012322e52 R09: ffff888091917290 [ 43.241203] R10: ffffed1012322e57 R11: ffff8880919172bf R12: ffff88808d5aedc0 [ 43.241208] R13: 0000000000000000 R14: ffff8880919172e0 R15: ffff888091917240 [ 43.241213] FS: 0000000001cfc880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 43.241218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.241222] CR2: 0000557984ab71b0 CR3: 00000000981c0000 CR4: 00000000001406e0 [ 43.241230] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.241237] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.365028] Call Trace: [ 43.367601] ? nf_nat_alloc_null_binding+0x50/0x50 [ 43.372517] ? rcu_read_lock_sched_held+0x110/0x130 [ 43.377524] ? __lock_is_held+0xb6/0x140 [ 43.381571] ? check_preemption_disabled+0x3c/0x250 [ 43.386613] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 43.392062] ? nf_nat_alloc_null_binding+0x50/0x50 [ 43.396972] ctnetlink_parse_nat_setup+0x76/0x4a0 [ 43.401861] ctnetlink_create_conntrack+0x468/0x10c0 [ 43.406966] ? queue_work_on+0xfd/0x1d0 [ 43.410922] ? ctnetlink_del_conntrack+0x5e0/0x5e0 [ 43.415938] ? hash_conntrack_raw+0x2c1/0x430 [ 43.420425] ? nf_ct_get_id+0x170/0x170 [ 43.424383] ctnetlink_new_conntrack+0x4af/0xcc0 [ 43.429177] ? ctnetlink_create_conntrack+0x10c0/0x10c0 [ 43.434535] ? ctnetlink_create_conntrack+0x10c0/0x10c0 [ 43.439889] nfnetlink_rcv_msg+0xa08/0xc00 [ 43.444115] netlink_rcv_skb+0x14f/0x3c0 [ 43.448236] ? nfnetlink_bind+0x240/0x240 [ 43.452372] ? netlink_ack+0x9a0/0x9a0 [ 43.456244] ? ns_capable_common+0x12c/0x160 [ 43.460641] ? __netlink_ns_capable+0xe2/0x130 [ 43.465205] nfnetlink_rcv+0x1ab/0x1650 [ 43.469159] ? netlink_deliver_tap+0x93/0x8f0 [ 43.473693] ? find_held_lock+0x35/0x130 [ 43.477796] ? netlink_deliver_tap+0x93/0x8f0 [ 43.482281] ? nfnl_err_del+0x160/0x160 [ 43.486247] ? lock_downgrade+0x740/0x740 [ 43.490428] ? netlink_deliver_tap+0xba/0x8f0 [ 43.494914] netlink_unicast+0x44d/0x650 [ 43.499011] ? netlink_attachskb+0x6a0/0x6a0 [ 43.503412] ? security_netlink_send+0x81/0xb0 [ 43.507976] netlink_sendmsg+0x7c4/0xc60 [ 43.512029] ? netlink_unicast+0x650/0x650 [ 43.516298] ? security_socket_sendmsg+0x89/0xb0 [ 43.521049] ? netlink_unicast+0x650/0x650 [ 43.525274] sock_sendmsg+0xce/0x110 [ 43.528969] ___sys_sendmsg+0x70a/0x840 [ 43.532927] ? lock_downgrade+0x740/0x740 [ 43.537115] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 43.541895] ? do_raw_spin_unlock+0x174/0x260 [ 43.546404] ? _raw_spin_unlock+0x2d/0x50 [ 43.550538] ? do_huge_pmd_anonymous_page+0x2f9/0x1200 [ 43.555810] ? save_trace+0x290/0x290 [ 43.559626] ? copy_page_range+0x1de0/0x1de0 [ 43.564025] ? __do_page_fault+0x4e9/0xb80 [ 43.568306] ? __fget_light+0x172/0x1f0 [ 43.572274] ? __fdget+0x1b/0x20 [ 43.575620] ? sockfd_lookup_light+0xb4/0x160 [ 43.580100] __sys_sendmsg+0xb9/0x140 [ 43.583882] ? SyS_shutdown+0x170/0x170 [ 43.587847] SyS_sendmsg+0x2d/0x50 [ 43.591375] ? __sys_sendmsg+0x140/0x140 [ 43.595426] do_syscall_64+0x1e8/0x640 [ 43.599307] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.604179] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 43.609353] RIP: 0033:0x440239 [ 43.612529] RSP: 002b:00007fff2598e3a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.620219] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440239 [ 43.627474] RDX: 0000000000000000 RSI: 0000000020000640 RDI: 0000000000000003 [ 43.634729] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 43.641983] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ac0 [ 43.649285] R13: 0000000000401b50 R14: 0000000000000000 R15: 0000000000000000 [ 43.656585] Code: d5 fd 85 c0 0f 88 44 01 00 00 e8 31 a0 15 fc 48 8b 85 10 ff ff ff 48 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 [ 43.675668] RIP: nfnetlink_parse_nat_setup+0x1fb/0x3b0 RSP: ffff888091917208 [ 43.683007] ---[ end trace 13c19cfd45f40a2f ]--- [ 43.688026] Kernel panic - not syncing: Fatal exception [ 43.694738] Kernel Offset: disabled [ 43.698356] Rebooting in 86400 seconds..