BUG: MAX_LOCKDEP_CHAINS too low! (2)

BUG: MAX_LOCKDEP_CHAINS too low! (2)
Status: upstream: reported C repro on 2020/07/21 19:23
Reported-by: syzbot+4c0c011e71ae95a85ffe@syzkaller.appspotmail.com
First crash: 278d, last: 8m

Cause bisection: failed (bisect log)

similar bugs (3):
Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
linux-4.14	BUG: MAX_LOCKDEP_CHAINS too low!			369	1d16h	570d	0/1	upstream: reported on 2019/09/29 10:02
linux-4.19	BUG: MAX_LOCKDEP_CHAINS too low!			6864	26m	732d	0/1	upstream: reported on 2019/04/20 01:26
upstream	BUG: MAX_LOCKDEP_CHAINS too low!	C	done	17240	278d	936d	17/22	fixed on 2020/07/17 17:58

Sample crash report:

BUG: MAX_LOCKDEP_CHAINS too low!
turning off the locking correctness validator.
CPU: 1 PID: 1834 Comm: kworker/u4:4 Not tainted 5.8.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bond1466 bond_resend_igmp_join_requests_delayed
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1f0/0x31e lib/dump_stack.c:118
 add_chain_cache kernel/locking/lockdep.c:452 [inline]
 lookup_chain_cache_add kernel/locking/lockdep.c:3162 [inline]
 validate_chain+0x4e64/0x8920 kernel/locking/lockdep.c:3183
 __lock_acquire+0x116c/0x2c30 kernel/locking/lockdep.c:4380
 lock_acquire+0x160/0x720 kernel/locking/lockdep.c:4959
 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline]
 _raw_read_lock_bh+0x3a/0x50 kernel/locking/spinlock.c:247
 ipv6_chk_mcast_addr+0x106/0x5b0 net/ipv6/mcast.c:1000
 ip6_finish_output2+0x797/0x1400 net/ipv6/ip6_output.c:73
 dst_output include/net/dst.h:443 [inline]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 mld_sendpack+0x6a0/0xa50 net/ipv6/mcast.c:1679
 ipv6_mc_rejoin_groups net/ipv6/mcast.c:2637 [inline]
 ipv6_mc_netdev_event+0x2da/0x360 net/ipv6/mcast.c:2650
 notifier_call_chain kernel/notifier.c:83 [inline]
 __raw_notifier_call_chain kernel/notifier.c:361 [inline]
 raw_notifier_call_chain+0xe7/0x170 kernel/notifier.c:368
 call_netdevice_notifiers_info net/core/dev.c:2027 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2039 [inline]
 call_netdevice_notifiers+0xeb/0x150 net/core/dev.c:2053
 bond_resend_igmp_join_requests_delayed+0x5c/0x180 drivers/net/bonding/bond_main.c:590
 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269
 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415
 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293

Crashes (75769):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2020/07/22 06:37	upstream	4fa640dc	21f1765e	.config	log	report	syz	C
ci-upstream-kasan-gce	2020/07/22 02:31	upstream	4fa640dc	21f1765e	.config	log	report	syz	C
ci-upstream-kasan-gce-root	2020/07/19 00:15	upstream	6a70f89c	9c812472	.config	log	report	syz	C
ci-upstream-kasan-gce-selinux-root	2020/07/18 08:02	upstream	88825726	9c812472	.config	log	report	syz	C
ci-upstream-net-this-kasan-gce	2020/07/20 08:29	net	a463fa2c	9c812472	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/07/20 04:03	net-next	a050d82f	9c812472	.config	log	report	syz	C
ci-upstream-net-kasan-gce	2020/07/18 17:05	net-next	a050d82f	9c812472	.config	log	report	syz	C
ci-upstream-linux-next-kasan-gce-root	2020/07/18 17:48	linux-next	4c43049f	9c812472	.config	log	report	syz	C
ci-upstream-kasan-gce	2021/04/21 22:26	upstream	16fc44d6	2bc8999a	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 21:57	upstream	16fc44d6	2bc8999a	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 21:28	upstream	16fc44d6	2bc8999a	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root	2021/04/21 21:01	upstream	16fc44d6	2bc8999a	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root	2021/04/21 20:29	upstream	16fc44d6	2bc8999a	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root	2021/04/21 20:16	upstream	16fc44d6	2bc8999a	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root	2021/04/21 19:41	upstream	16fc44d6	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-root	2021/04/21 19:21	upstream	16fc44d6	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root	2021/04/21 19:07	upstream	16fc44d6	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 18:47	upstream	16fc44d6	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 10:32	upstream	1fe5501b	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 10:06	upstream	1fe5501b	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 09:33	upstream	1fe5501b	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 09:04	upstream	1fe5501b	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-smack-root	2021/04/21 08:41	upstream	1fe5501b	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root	2021/04/21 03:54	upstream	1fe5501b	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 02:04	upstream	1fe5501b	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 01:38	upstream	1fe5501b	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/21 00:44	upstream	1fe5501b	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/20 20:47	upstream	7af08140	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/20 19:11	upstream	7af08140	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce	2021/04/20 12:32	upstream	7af08140	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/21 23:13	upstream	16fc44d6	2bc8999a	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/21 11:36	upstream	1fe5501b	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/21 05:12	upstream	1fe5501b	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/21 04:59	upstream	1fe5501b	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/21 03:59	upstream	1fe5501b	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/21 02:52	upstream	1fe5501b	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/20 15:58	upstream	7af08140	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/20 15:53	upstream	7af08140	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/20 14:51	upstream	7af08140	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/20 13:47	upstream	7af08140	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-386	2021/04/20 13:20	upstream	7af08140	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce	2021/04/21 20:41	net	90b669d6	2bc8999a	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-kasan-gce	2021/04/21 07:52	bpf	b0226542	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-kasan-gce	2021/04/21 07:20	bpf	b0226542	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-kasan-gce	2021/04/21 06:15	bpf	b0226542	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-this-kasan-gce	2021/04/21 02:31	net	d83b8aa5	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-kasan-gce	2021/04/20 22:40	bpf	b0226542	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 18:14	bpf-next	d044d9fc	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 17:02	bpf-next	d044d9fc	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 16:05	bpf-next	d044d9fc	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 15:01	bpf-next	d044d9fc	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 13:43	bpf-next	d044d9fc	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 11:47	bpf-next	d044d9fc	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 08:27	bpf-next	d044d9fc	95777977	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 01:13	bpf-next	69443c47	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/21 00:27	bpf-next	69443c47	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-bpf-next-kasan-gce	2021/04/20 12:55	bpf-next	69443c47	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-net-kasan-gce	2021/04/20 11:05	net-next	e7ad33fa	c0ced557	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-linux-next-kasan-gce-root	2021/04/13 12:11	linux-next	dcf1b51d	bfeda1b1	.config	log	report			info	BUG: MAX_LOCKDEP_CHAINS too low!
ci-upstream-kasan-gce-selinux-root	2021/01/17 14:26	upstream	0da0a8a0	813be542	.config	log	report			info
ci-upstream-net-kasan-gce	2020/07/17 19:21	net-next	4291dc1a	9c812472	.config	log	report