Warning: Permanently added '10.128.0.98' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   39.353301] audit: type=1400 audit(1602354809.110:8): avc:  denied  { execmem } for  pid=6494 comm="syz-executor491" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   39.355294] ================================================================================
[   39.381879] UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6
[   39.389889] shift exponent 32 is too large for 32-bit type 'unsigned int'
[   39.396802] CPU: 0 PID: 6494 Comm: syz-executor491 Not tainted 4.19.150-syzkaller #0
[   39.404692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   39.414022] Call Trace:
[   39.416611]  dump_stack+0x22c/0x33e
[   39.420227]  ubsan_epilogue+0xe/0x3a
[   39.423924]  __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250
[   39.430052]  ? hash_ipportnet_create+0x366/0xa50
[   39.434789]  ? rcu_read_lock_sched_held+0x174/0x1e0
[   39.439786]  ? kmem_cache_alloc_trace+0x379/0x4b0
[   39.444612]  hash_ipportnet_create.cold+0x1a/0x1f
[   39.449434]  ? hash_ipportnet6_add+0x29c0/0x29c0
[   39.454169]  ip_set_create+0x70e/0x1380
[   39.458124]  ? __find_set_type_get+0x450/0x450
[   39.462707]  ? lock_downgrade+0x750/0x750
[   39.466835]  ? __find_set_type_get+0x450/0x450
[   39.471397]  nfnetlink_rcv_msg+0xeff/0x1210
[   39.475706]  ? nfnetlink_net_init+0x170/0x170
[   39.480184]  ? avc_has_extended_perms+0x1020/0x1020
[   39.485215]  ? avc_has_extended_perms+0x1020/0x1020
[   39.490210]  ? __lock_acquire+0x6ec/0x3ff0
[   39.494426]  ? mark_held_locks+0xf0/0xf0
[   39.498469]  ? cred_has_capability+0x162/0x2e0
[   39.503029]  ? cred_has_capability+0x1d9/0x2e0
[   39.507588]  ? selinux_inode_copy_up+0x180/0x180
[   39.512322]  ? selinux_inode_copy_up+0x180/0x180
[   39.517071]  netlink_rcv_skb+0x160/0x440
[   39.521113]  ? nfnetlink_net_init+0x170/0x170
[   39.525591]  ? netlink_ack+0xae0/0xae0
[   39.529459]  ? ns_capable_common+0x117/0x140
[   39.533861]  nfnetlink_rcv+0x1b2/0x41b
[   39.537725]  ? nfnetlink_rcv_batch+0x1710/0x1710
[   39.542462]  netlink_unicast+0x4d5/0x690
[   39.546503]  ? netlink_sendskb+0x110/0x110
[   39.550721]  netlink_sendmsg+0x717/0xcc0
[   39.554775]  ? nlmsg_notify+0x1a0/0x1a0
[   39.558728]  ? __sock_recv_ts_and_drops+0x540/0x540
[   39.563727]  ? nlmsg_notify+0x1a0/0x1a0
[   39.567680]  sock_sendmsg+0xc7/0x130
[   39.571373]  ___sys_sendmsg+0x7bb/0x8f0
[   39.575335]  ? copy_msghdr_from_user+0x440/0x440
[   39.580082]  ? do_huge_pmd_anonymous_page+0x939/0x1d70
[   39.585602]  ? prep_transhuge_page+0xa0/0xa0
[   39.590002]  ? check_preemption_disabled+0x41/0x2b0
[   39.595000]  ? mark_held_locks+0xf0/0xf0
[   39.599057]  ? __handle_mm_fault+0xf34/0x4370
[   39.603534]  ? errseq_sample+0x56/0x70
[   39.607399]  ? vmf_insert_mixed_mkwrite+0xa0/0xa0
[   39.612220]  ? find_held_lock+0x2d/0x110
[   39.616260]  ? find_held_lock+0x2d/0x110
[   39.620300]  ? __fget_light+0x1a2/0x230
[   39.624270]  __x64_sys_sendmsg+0x132/0x220
[   39.628481]  ? __sys_sendmsg+0x1b0/0x1b0
[   39.632527]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[   39.637869]  ? trace_hardirqs_off_caller+0x6e/0x210
[   39.642876]  ? do_syscall_64+0x21/0x670
[   39.646832]  do_syscall_64+0xf9/0x670
[   39.650614]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   39.655780] RIP: 0033:0x440429
[   39.658952] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
[   39.677835] RSP: 002b:00007fff2abe9828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[   39.685525] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440429
[   39.692774] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
[   39.700021] RBP: 00000000006ca018 R08: 0000000000000