UBSAN: undefined-behaviour in cbq

batman_adv: batadv0: Interface activated: batadv_slave_1
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
netlink: 96 bytes leftover after parsing attributes in process `syz-executor666'.
================================================================================
UBSAN: Undefined behaviour in ./include/net/sch_generic.h:1051:7
shift exponent 129 is too large for 32-bit type 'int'
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.149-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
 qdisc_l2t include/net/sch_generic.h:1051 [inline]
 cbq_update net/sched/sch_cbq.c:567 [inline]
 cbq_dequeue.cold+0x189/0x18e net/sched/sch_cbq.c:814
 dequeue_skb net/sched/sch_generic.c:282 [inline]
 qdisc_restart net/sched/sch_generic.c:385 [inline]
 __qdisc_run+0x1b9/0x1680 net/sched/sch_generic.c:403
 qdisc_run include/net/pkt_sched.h:120 [inline]
 net_tx_action+0x520/0xce0 net/core/dev.c:4592
 __do_softirq+0x27d/0xad2 kernel/softirq.c:292
 run_ksoftirqd+0x57/0x130 kernel/softirq.c:653
 smpboot_thread_fn+0x66e/0xa30 kernel/smpboot.c:164
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
=====================

Crashes (117):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Manager
2020/10/02 09:19	linux-4.19.y	b09c34517e1a	9602ddf4	.config	console log	report	syz	C		ci2-linux-4-19
2020/09/20 16:12	linux-4.19.y	015e94d0e37b	9564d2e9	.config	console log	report	syz	C		ci2-linux-4-19
2020/10/21 22:23	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 21:00	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 16:37	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 15:00	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/21 13:48	linux-4.19.y	ad326970d25c	99c64d5c	.config	console log	report			info	ci2-linux-4-19
2020/10/20 23:12	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/20 16:33	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/20 12:54	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/20 08:24	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/20 02:15	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/20 00:54	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/19 23:32	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/19 16:09	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/19 12:21	linux-4.19.y	ad326970d25c	ff4a3345	.config	console log	report			info	ci2-linux-4-19
2020/10/17 15:04	linux-4.19.y	ad326970d25c	fea47c01	.config	console log	report			info	ci2-linux-4-19
2020/10/17 14:00	linux-4.19.y	ad326970d25c	fea47c01	.config	console log	report			info	ci2-linux-4-19
2020/10/17 00:58	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/16 23:25	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/16 21:17	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/16 08:20	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/16 06:36	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/16 05:23	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/16 02:26	linux-4.19.y	a1b977b49b66	6e262c73	.config	console log	report			info	ci2-linux-4-19
2020/10/08 08:03	linux-4.19.y	a1b977b49b66	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/08 01:49	linux-4.19.y	a1b977b49b66	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/07 07:27	linux-4.19.y	a1b977b49b66	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/06 20:50	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/06 17:50	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/06 16:04	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/06 14:52	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/06 10:02	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/06 06:44	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/05 17:09	linux-4.19.y	b09c34517e1a	1880b4a9	.config	console log	report			info	ci2-linux-4-19
2020/10/05 00:58	linux-4.19.y	b09c34517e1a	5ef9c291	.config	console log	report			info	ci2-linux-4-19
2020/10/04 14:38	linux-4.19.y	b09c34517e1a	5ef9c291	.config	console log	report			info	ci2-linux-4-19
2020/10/04 07:58	linux-4.19.y	b09c34517e1a	1a3f9408	.config	console log	report			info	ci2-linux-4-19
2020/10/04 05:18	linux-4.19.y	b09c34517e1a	1a3f9408	.config	console log	report			info	ci2-linux-4-19
2020/10/03 22:28	linux-4.19.y	b09c34517e1a	1a3f9408	.config	console log	report			info	ci2-linux-4-19
2020/10/03 06:58	linux-4.19.y	b09c34517e1a	2653fa43	.config	console log	report			info	ci2-linux-4-19
2020/10/02 14:01	linux-4.19.y	b09c34517e1a	062c9832	.config	console log	report			info	ci2-linux-4-19
2020/10/02 11:58	linux-4.19.y	b09c34517e1a	9602ddf4	.config	console log	report			info	ci2-linux-4-19
2020/10/02 10:52	linux-4.19.y	b09c34517e1a	9602ddf4	.config	console log	report			info	ci2-linux-4-19
2020/10/02 00:56	linux-4.19.y	b09c34517e1a	9602ddf4	.config	console log	report			info	ci2-linux-4-19
2020/10/01 23:26	linux-4.19.y	b09c34517e1a	9602ddf4	.config	console log	report			info	ci2-linux-4-19
2020/10/01 01:28	linux-4.19.y	10ad6cfd5736	a9767fb2	.config	console log	report			info	ci2-linux-4-19
2020/09/30 09:35	linux-4.19.y	10ad6cfd5736	8516f6d3	.config	console log	report			info	ci2-linux-4-19
2020/09/30 09:34	linux-4.19.y	10ad6cfd5736	8516f6d3	.config	console log	report			info	ci2-linux-4-19
2020/09/30 08:45	linux-4.19.y	10ad6cfd5736	8516f6d3	.config	console log	report			info	ci2-linux-4-19
2020/09/30 03:33	linux-4.19.y	10ad6cfd5736	5abc3f1a	.config	console log	report			info	ci2-linux-4-19
2020/09/20 14:43	linux-4.19.y	015e94d0e37b	9564d2e9	.config	console log	report			info	ci2-linux-4-19

Crashes (117):

Time

Assets (help?)

2020/10/02 09:19

linux-4.19.y

syz

ci2-linux-4-19

2020/09/20 16:12

linux-4.19.y

syz

ci2-linux-4-19

2020/10/21 22:23

linux-4.19.y

ci2-linux-4-19

2020/10/21 21:00

linux-4.19.y

ci2-linux-4-19

2020/10/21 16:37

linux-4.19.y

ci2-linux-4-19

2020/10/21 15:00

linux-4.19.y

ci2-linux-4-19

2020/10/21 13:48

linux-4.19.y

ci2-linux-4-19

2020/10/20 23:12

linux-4.19.y

ci2-linux-4-19

2020/10/20 16:33

linux-4.19.y

ci2-linux-4-19

2020/10/20 12:54

linux-4.19.y

ci2-linux-4-19

2020/10/20 08:24

linux-4.19.y

ci2-linux-4-19

2020/10/20 02:15

linux-4.19.y

ci2-linux-4-19

2020/10/20 00:54

linux-4.19.y

ci2-linux-4-19

2020/10/19 23:32

linux-4.19.y

ci2-linux-4-19

2020/10/19 16:09

linux-4.19.y

ci2-linux-4-19

2020/10/19 12:21

linux-4.19.y

ci2-linux-4-19

2020/10/17 15:04

linux-4.19.y

ci2-linux-4-19

2020/10/17 14:00

linux-4.19.y

ci2-linux-4-19

2020/10/17 00:58

linux-4.19.y

ci2-linux-4-19

2020/10/16 23:25

linux-4.19.y

ci2-linux-4-19

2020/10/16 21:17

linux-4.19.y

ci2-linux-4-19

2020/10/16 08:20

linux-4.19.y

ci2-linux-4-19

2020/10/16 06:36

linux-4.19.y

ci2-linux-4-19

2020/10/16 05:23

linux-4.19.y

ci2-linux-4-19

2020/10/16 02:26

linux-4.19.y

ci2-linux-4-19

2020/10/08 08:03

linux-4.19.y

ci2-linux-4-19

2020/10/08 01:49

linux-4.19.y

ci2-linux-4-19

2020/10/07 07:27

linux-4.19.y

ci2-linux-4-19

2020/10/06 20:50

linux-4.19.y

ci2-linux-4-19

2020/10/06 17:50

linux-4.19.y

ci2-linux-4-19

2020/10/06 16:04

linux-4.19.y

ci2-linux-4-19

2020/10/06 14:52

linux-4.19.y

ci2-linux-4-19

2020/10/06 10:02

linux-4.19.y

ci2-linux-4-19

2020/10/06 06:44

linux-4.19.y

ci2-linux-4-19

2020/10/05 17:09

linux-4.19.y

ci2-linux-4-19

2020/10/05 00:58

linux-4.19.y

ci2-linux-4-19

2020/10/04 14:38

linux-4.19.y

ci2-linux-4-19

2020/10/04 07:58

linux-4.19.y

ci2-linux-4-19

2020/10/04 05:18

linux-4.19.y

ci2-linux-4-19

2020/10/03 22:28

linux-4.19.y

ci2-linux-4-19

2020/10/03 06:58

linux-4.19.y

ci2-linux-4-19

2020/10/02 14:01

linux-4.19.y

ci2-linux-4-19

2020/10/02 11:58

linux-4.19.y

ci2-linux-4-19

2020/10/02 10:52

linux-4.19.y

ci2-linux-4-19

2020/10/02 00:56

linux-4.19.y

ci2-linux-4-19

2020/10/01 23:26

linux-4.19.y

ci2-linux-4-19

2020/10/01 01:28

linux-4.19.y

ci2-linux-4-19

2020/09/30 09:35

linux-4.19.y

ci2-linux-4-19

2020/09/30 09:34

linux-4.19.y

ci2-linux-4-19

2020/09/30 08:45

linux-4.19.y

ci2-linux-4-19

2020/09/30 03:33

linux-4.19.y

ci2-linux-4-19

2020/09/20 14:43

linux-4.19.y

ci2-linux-4-19