UBSAN: undefined-behaviour in hash_ipportnet

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
================================================================================
UBSAN: Undefined behaviour in net/netfilter/ipset/ip_set_hash_gen.h:125:6
shift exponent 32 is too large for 32-bit type 'unsigned int'
CPU: 0 PID: 6494 Comm: syz-executor491 Not tainted 4.19.150-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x22c/0x33e lib/dump_stack.c:118
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
 htable_bits net/netfilter/ipset/ip_set_hash_gen.h:125 [inline]
 hash_ipportnet_create.cold+0x1a/0x1f net/netfilter/ipset/ip_set_hash_gen.h:1290
 ip_set_create+0x70e/0x1380 net/netfilter/ipset/ip_set_core.c:940
 nfnetlink_rcv_msg+0xeff/0x1210 net/netfilter/nfnetlink.c:233
 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2455
 nfnetlink_rcv+0x1b2/0x41b net/netfilter/nfnetlink.c:565
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x717/0xcc0 net/netlink/af_netlink.c:1909
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xc7/0x130 net/socket.c:632
 ___sys_sendmsg+0x7bb/0x8f0 net/socket.c:2115
 __sys_sendmsg net/socket.c:2153 [inline]
 __do_sys_sendmsg net/socket.c:2162 [inline]
 __se_sys_sendmsg net/socket.c:2160 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2160
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440429
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
RSP: 002b:00007fff2abe9828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440429
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 0000000000000

Crashes (41):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Manager
2020/10/10 18:35	linux-4.19.y	a1b977b49b66	b74c49a6	.config	console log	report	syz	C		ci2-linux-4-19
2020/09/22 13:06	linux-4.19.y	015e94d0e37b	3e8f6c27	.config	console log	report	syz	C		ci2-linux-4-19
2020/10/21 20:19	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 18:19	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 13:01	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 11:10	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 09:52	linux-4.19.y	ad326970d25c	e761439e	.config	console log	report			info	ci2-linux-4-19
2020/10/20 23:04	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/20 13:13	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/19 15:48	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/18 10:27	linux-4.19.y	ad326970d25c	fea47c01	.config	console log	report			info	ci2-linux-4-19
2020/10/16 20:55	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/16 08:58	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/16 08:01	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/14 01:07	linux-4.19.y	a1b977b49b66	fc7735a2	.config	console log	report			info	ci2-linux-4-19
2020/10/08 17:07	linux-4.19.y	a1b977b49b66	92390980	.config	console log	report			info	ci2-linux-4-19
2020/10/07 18:57	linux-4.19.y	a1b977b49b66	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/07 00:35	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/04 21:26	linux-4.19.y	b09c34517e1a	5ef9c291	.config	console log	report			info	ci2-linux-4-19
2020/10/03 12:25	linux-4.19.y	b09c34517e1a	2653fa43	.config	console log	report			info	ci2-linux-4-19
2020/10/03 06:12	linux-4.19.y	b09c34517e1a	2653fa43	.config	console log	report			info	ci2-linux-4-19
2020/10/02 12:13	linux-4.19.y	b09c34517e1a	9602ddf4	.config	console log	report			info	ci2-linux-4-19
2020/09/30 15:30	linux-4.19.y	10ad6cfd5736	8516f6d3	.config	console log	report			info	ci2-linux-4-19
2020/09/30 09:39	linux-4.19.y	10ad6cfd5736	8516f6d3	.config	console log	report			info	ci2-linux-4-19
2020/09/30 02:20	linux-4.19.y	10ad6cfd5736	5abc3f1a	.config	console log	report			info	ci2-linux-4-19
2020/09/29 12:32	linux-4.19.y	10ad6cfd5736	1b88c6d5	.config	console log	report			info	ci2-linux-4-19
2020/09/29 10:08	linux-4.19.y	10ad6cfd5736	1b88c6d5	.config	console log	report			info	ci2-linux-4-19
2020/09/29 06:21	linux-4.19.y	10ad6cfd5736	1b88c6d5	.config	console log	report			info	ci2-linux-4-19
2020/09/28 21:52	linux-4.19.y	10ad6cfd5736	6bfdbe89	.config	console log	report			info	ci2-linux-4-19
2020/09/28 13:29	linux-4.19.y	10ad6cfd5736	6bfdbe89	.config	console log	report			info	ci2-linux-4-19
2020/09/28 11:03	linux-4.19.y	10ad6cfd5736	6bfdbe89	.config	console log	report			info	ci2-linux-4-19
2020/09/28 05:20	linux-4.19.y	10ad6cfd5736	5dd8aee8	.config	console log	report			info	ci2-linux-4-19
2020/09/27 04:12	linux-4.19.y	10ad6cfd5736	5dd8aee8	.config	console log	report			info	ci2-linux-4-19
2020/09/27 03:08	linux-4.19.y	10ad6cfd5736	5dd8aee8	.config	console log	report			info	ci2-linux-4-19
2020/09/26 15:57	linux-4.19.y	d09b80172c22	2d5ea0cb	.config	console log	report			info	ci2-linux-4-19
2020/09/25 21:10	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/25 19:56	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/25 16:13	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/25 16:08	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/25 11:43	linux-4.19.y	d09b80172c22	54289b08	.config	console log	report			info	ci2-linux-4-19
2020/09/22 12:33	linux-4.19.y	015e94d0e37b	3e8f6c27	.config	console log	report			info	ci2-linux-4-19

Crashes (41):

Time

Assets (help?)