UBSAN: undefined-behaviour in __qdisc_calculate_pkt

================================================================================
UBSAN: Undefined behaviour in net/sched/sch_api.c:561:7
shift exponent 129 is too large for 32-bit type 'int'
CPU: 1 PID: 3741 Comm: kworker/1:3 Not tainted 4.19.149-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: ipv6_addrconf addrconf_dad_work
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
 __qdisc_calculate_pkt_len+0x3bb/0x570 net/sched/sch_api.c:561
 qdisc_calculate_pkt_len include/net/sch_generic.h:697 [inline]
 __dev_xmit_skb net/core/dev.c:3443 [inline]
 __dev_queue_xmit+0x1372/0x2ec0 net/core/dev.c:3807
 neigh_hh_output include/net/neighbour.h:491 [inline]
 neigh_output include/net/neighbour.h:499 [inline]
 ip_finish_output2+0xc04/0x1640 net/ipv4/ip_output.c:230
 ip_finish_output+0x88e/0xd80 net/ipv4/ip_output.c:318
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip_output+0x203/0x650 net/ipv4/ip_output.c:406
 dst_output include/net/dst.h:455 [inline]
 ip_local_out+0xaf/0x170 net/ipv4/ip_output.c:125
 iptunnel_xmit+0x63e/0xa30 net/ipv4/ip_tunnel_core.c:91
 geneve_xmit_skb drivers/net/geneve.c:865 [inline]
 geneve_xmit+0xf46/0x2ac0 drivers/net/geneve.c:938
 __netdev_start_xmit include/linux/netdevice.h:4333 [inline]
 netdev_start_xmit include/linux/netdevice.h:4347 [inline]
 xmit_one net/core/dev.c:3256 [inline]
 dev_hard_start_xmit+0x1a8/0x960 net/core/dev.c:3272
 __dev_queue_xmit+0x276a/0x2ec0 net/core/dev.c:3838
 neigh_resolve_output+0x55a/0x950 net/core/neighbour.c:1374
 neigh_output include/net/neighbour.h:501 [inline]
 ip6_finish_output2+0x1184/0x2370 net/ipv6/ip6_output.c:120
 ip6_finish_output+0x610/0xcc0 net/ipv6/ip6_output.c:154
 NF_HOOK_COND include/linux/netfilter.h:278 [inline]
 ip6_output+0x205/0x7c0 net/ipv6/ip6_output.c:171
 dst_output include/net/dst.h:455 [inline]
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ndisc_send_skb+0xa6b/0x1860 net/ipv6/ndisc.c:491
 ndisc_send_ns+0x51d/0x840 net/ipv6/ndisc.c:633
 addrconf_dad_work+0xb78/0x1130 net/ipv6/addrconf.c:4075
 process_one_work+0x796/0x14e0 kernel/workqueue.c:2155
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
================================================================================

Crashes (85):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Manager
2020/10/05 19:12	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report	syz	C		ci2-linux-4-19
2020/09/21 00:23	linux-4.19.y	015e94d0e37b	9564d2e9	.config	console log	report	syz	C		ci2-linux-4-19
2020/10/21 21:46	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 17:52	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 12:47	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 11:17	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 09:53	linux-4.19.y	ad326970d25c	e761439e	.config	console log	report			info	ci2-linux-4-19
2020/10/20 03:45	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/19 12:14	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/19 09:33	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/18 07:40	linux-4.19.y	ad326970d25c	fea47c01	.config	console log	report			info	ci2-linux-4-19
2020/10/18 00:27	linux-4.19.y	ad326970d25c	fea47c01	.config	console log	report			info	ci2-linux-4-19
2020/10/17 12:16	linux-4.19.y	ad326970d25c	fea47c01	.config	console log	report			info	ci2-linux-4-19
2020/10/17 09:11	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/15 21:55	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/15 08:57	linux-4.19.y	a1b977b49b66	63869021	.config	console log	report			info	ci2-linux-4-19
2020/10/14 23:30	linux-4.19.y	a1b977b49b66	fc7735a2	.config	console log	report			info	ci2-linux-4-19
2020/10/14 22:26	linux-4.19.y	a1b977b49b66	fc7735a2	.config	console log	report			info	ci2-linux-4-19
2020/10/13 21:46	linux-4.19.y	a1b977b49b66	fc7735a2	.config	console log	report			info	ci2-linux-4-19
2020/10/13 20:05	linux-4.19.y	a1b977b49b66	fc7735a2	.config	console log	report			info	ci2-linux-4-19
2020/10/13 13:14	linux-4.19.y	a1b977b49b66	bd69ee0d	.config	console log	report			info	ci2-linux-4-19
2020/10/13 08:54	linux-4.19.y	a1b977b49b66	bd69ee0d	.config	console log	report			info	ci2-linux-4-19
2020/10/13 05:42	linux-4.19.y	a1b977b49b66	d32b0bbf	.config	console log	report			info	ci2-linux-4-19
2020/10/12 16:53	linux-4.19.y	a1b977b49b66	d32b0bbf	.config	console log	report			info	ci2-linux-4-19
2020/10/10 22:46	linux-4.19.y	a1b977b49b66	4a77ae0b	.config	console log	report			info	ci2-linux-4-19
2020/10/10 12:49	linux-4.19.y	a1b977b49b66	b74c49a6	.config	console log	report			info	ci2-linux-4-19
2020/10/10 10:26	linux-4.19.y	a1b977b49b66	b74c49a6	.config	console log	report			info	ci2-linux-4-19
2020/10/10 09:03	linux-4.19.y	a1b977b49b66	b74c49a6	.config	console log	report			info	ci2-linux-4-19
2020/10/10 01:33	linux-4.19.y	a1b977b49b66	93817d89	.config	console log	report			info	ci2-linux-4-19
2020/10/09 21:49	linux-4.19.y	a1b977b49b66	93817d89	.config	console log	report			info	ci2-linux-4-19
2020/10/09 20:28	linux-4.19.y	a1b977b49b66	fa79ed2a	.config	console log	report			info	ci2-linux-4-19
2020/10/09 10:13	linux-4.19.y	a1b977b49b66	fa79ed2a	.config	console log	report			info	ci2-linux-4-19
2020/10/09 08:46	linux-4.19.y	a1b977b49b66	fa79ed2a	.config	console log	report			info	ci2-linux-4-19
2020/10/08 17:03	linux-4.19.y	a1b977b49b66	92390980	.config	console log	report			info	ci2-linux-4-19
2020/10/08 15:17	linux-4.19.y	a1b977b49b66	92390980	.config	console log	report			info	ci2-linux-4-19
2020/10/08 11:44	linux-4.19.y	a1b977b49b66	92390980	.config	console log	report			info	ci2-linux-4-19
2020/10/08 09:52	linux-4.19.y	a1b977b49b66	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/07 08:34	linux-4.19.y	a1b977b49b66	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/06 12:57	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/06 01:54	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/05 14:52	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/04 10:13	linux-4.19.y	b09c34517e1a	5ef9c291	.config	console log	report			info	ci2-linux-4-19
2020/10/04 09:57	linux-4.19.y	b09c34517e1a	5ef9c291	.config	console log	report			info	ci2-linux-4-19
2020/10/04 09:14	linux-4.19.y	b09c34517e1a	5ef9c291	.config	console log	report			info	ci2-linux-4-19
2020/10/04 01:21	linux-4.19.y	b09c34517e1a	1a3f9408	.config	console log	report			info	ci2-linux-4-19
2020/10/03 16:48	linux-4.19.y	b09c34517e1a	1a3f9408	.config	console log	report			info	ci2-linux-4-19
2020/09/29 01:10	linux-4.19.y	10ad6cfd5736	1b88c6d5	.config	console log	report			info	ci2-linux-4-19
2020/09/29 00:40	linux-4.19.y	10ad6cfd5736	1b88c6d5	.config	console log	report			info	ci2-linux-4-19
2020/09/29 00:08	linux-4.19.y	10ad6cfd5736	1b88c6d5	.config	console log	report			info	ci2-linux-4-19
2020/09/28 20:32	linux-4.19.y	10ad6cfd5736	6bfdbe89	.config	console log	report			info	ci2-linux-4-19
2020/09/28 07:24	linux-4.19.y	10ad6cfd5736	5dd8aee8	.config	console log	report			info	ci2-linux-4-19
2020/09/27 05:11	linux-4.19.y	10ad6cfd5736	5dd8aee8	.config	console log	report			info	ci2-linux-4-19
2020/09/26 10:12	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/26 08:12	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/26 01:44	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/25 18:02	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/25 16:35	linux-4.19.y	d09b80172c22	4a006f63	.config	console log	report			info	ci2-linux-4-19
2020/09/22 05:37	linux-4.19.y	015e94d0e37b	9e1fa68e	.config	console log	report			info	ci2-linux-4-19
2020/09/21 00:08	linux-4.19.y	015e94d0e37b	9564d2e9	.config	console log	report			info	ci2-linux-4-19

Crashes (85):

Time

Assets (help?)

2020/10/05 19:12

linux-4.19.y

syz

ci2-linux-4-19

2020/09/21 00:23

linux-4.19.y

syz

ci2-linux-4-19

2020/10/21 21:46

linux-4.19.y

ci2-linux-4-19

2020/10/21 17:52

linux-4.19.y

ci2-linux-4-19

2020/10/21 12:47

linux-4.19.y

ci2-linux-4-19

2020/10/21 11:17

linux-4.19.y

ci2-linux-4-19

2020/10/21 09:53

linux-4.19.y

ci2-linux-4-19

2020/10/20 03:45

linux-4.19.y

ci2-linux-4-19

2020/10/19 12:14

linux-4.19.y

ci2-linux-4-19

2020/10/19 09:33

linux-4.19.y

ci2-linux-4-19

2020/10/18 07:40

linux-4.19.y

ci2-linux-4-19

2020/10/18 00:27

linux-4.19.y

ci2-linux-4-19

2020/10/17 12:16

linux-4.19.y

ci2-linux-4-19

2020/10/17 09:11

linux-4.19.y

ci2-linux-4-19

2020/10/15 21:55

linux-4.19.y

ci2-linux-4-19

2020/10/15 08:57

linux-4.19.y

ci2-linux-4-19

2020/10/14 23:30

linux-4.19.y

ci2-linux-4-19

2020/10/14 22:26

linux-4.19.y

ci2-linux-4-19

2020/10/13 21:46

linux-4.19.y

ci2-linux-4-19

2020/10/13 20:05

linux-4.19.y

ci2-linux-4-19

2020/10/13 13:14

linux-4.19.y

ci2-linux-4-19

2020/10/13 08:54

linux-4.19.y

ci2-linux-4-19

2020/10/13 05:42

linux-4.19.y

ci2-linux-4-19

2020/10/12 16:53

linux-4.19.y

ci2-linux-4-19

2020/10/10 22:46

linux-4.19.y

ci2-linux-4-19

2020/10/10 12:49

linux-4.19.y

ci2-linux-4-19

2020/10/10 10:26

linux-4.19.y

ci2-linux-4-19

2020/10/10 09:03

linux-4.19.y

ci2-linux-4-19

2020/10/10 01:33

linux-4.19.y

ci2-linux-4-19

2020/10/09 21:49

linux-4.19.y

ci2-linux-4-19

2020/10/09 20:28

linux-4.19.y

ci2-linux-4-19

2020/10/09 10:13

linux-4.19.y

ci2-linux-4-19

2020/10/09 08:46

linux-4.19.y

ci2-linux-4-19

2020/10/08 17:03

linux-4.19.y

ci2-linux-4-19

2020/10/08 15:17

linux-4.19.y

ci2-linux-4-19

2020/10/08 11:44

linux-4.19.y

ci2-linux-4-19

2020/10/08 09:52

linux-4.19.y

ci2-linux-4-19

2020/10/07 08:34

linux-4.19.y

ci2-linux-4-19

2020/10/06 12:57

linux-4.19.y

ci2-linux-4-19

2020/10/06 01:54

linux-4.19.y

ci2-linux-4-19

2020/10/05 14:52

linux-4.19.y

ci2-linux-4-19

2020/10/04 10:13

linux-4.19.y

ci2-linux-4-19

2020/10/04 09:57

linux-4.19.y

ci2-linux-4-19

2020/10/04 09:14

linux-4.19.y

ci2-linux-4-19

2020/10/04 01:21

linux-4.19.y

ci2-linux-4-19

2020/10/03 16:48

linux-4.19.y

ci2-linux-4-19

2020/09/29 01:10

linux-4.19.y

ci2-linux-4-19

2020/09/29 00:40

linux-4.19.y

ci2-linux-4-19

2020/09/29 00:08

linux-4.19.y

ci2-linux-4-19

2020/09/28 20:32

linux-4.19.y

ci2-linux-4-19

2020/09/28 07:24

linux-4.19.y

ci2-linux-4-19

2020/09/27 05:11

linux-4.19.y

ci2-linux-4-19

2020/09/26 10:12

linux-4.19.y

ci2-linux-4-19

2020/09/26 08:12

linux-4.19.y

ci2-linux-4-19

2020/09/26 01:44

linux-4.19.y

ci2-linux-4-19

2020/09/25 18:02

linux-4.19.y

ci2-linux-4-19

2020/09/25 16:35

linux-4.19.y

ci2-linux-4-19

2020/09/22 05:37

linux-4.19.y

ci2-linux-4-19

2020/09/21 00:08

linux-4.19.y

ci2-linux-4-19