upstream test error: INFO: trying to register non-static key in nsim_get

upstream test error: INFO: trying to register non-static key in nsim_get_stats64
Status: upstream: reported on 2021/01/26 19:46
Reported-by: syzbot+e74a6857f2d0efe3ad81@syzkaller.appspotmail.com
First crash: 33d, last: 47m

Sample crash report:

batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
device hsr_slave_0 entered promiscuous mode
device hsr_slave_1 entered promiscuous mode
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 4610 Comm: syz-executor.0 Not tainted 5.11.0-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<82716dec>] (dump_backtrace) from [<82717060>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:252)
 r7:00000080 r6:60000093 r5:00000000 r4:84229e84
[<82717048>] (show_stack) from [<82727d58>] (__dump_stack lib/dump_stack.c:79 [inline])
[<82717048>] (show_stack) from [<82727d58>] (dump_stack+0xa8/0xc8 lib/dump_stack.c:120)
[<82727cb0>] (dump_stack) from [<802c0de4>] (assign_lock_key kernel/locking/lockdep.c:935 [inline])
[<82727cb0>] (dump_stack) from [<802c0de4>] (register_lock_class+0xac4/0xb70 kernel/locking/lockdep.c:1247)
 r7:00000000 r6:84a41fe8 r5:00000000 r4:00000000
[<802c0320>] (register_lock_class) from [<802bbf4c>] (__lock_acquire+0x84/0x3318 kernel/locking/lockdep.c:4779)
 r10:00000080 r9:88a64100 r8:00000001 r7:00000002 r6:00000000 r5:8a9b2764
 r4:00000000
[<802bbec8>] (__lock_acquire) from [<802bfda8>] (lock_acquire.part.0+0xf0/0x408 kernel/locking/lockdep.c:5510)
 r10:00000080 r9:60000093 r8:00000000 r7:00000000 r6:83ecd680 r5:83ecd680
 r4:89aa38d0
[<802bfcb8>] (lock_acquire.part.0) from [<802c012c>] (lock_acquire+0x6c/0x74 kernel/locking/lockdep.c:5483)
 r10:81e44dfc r9:00000000 r8:00000001 r7:00000002 r6:00000000 r5:00000000
 r4:8a9b2764
[<802c00c0>] (lock_acquire) from [<81570094>] (seqcount_lockdep_reader_access include/linux/seqlock.h:103 [inline])
[<802c00c0>] (lock_acquire) from [<81570094>] (__u64_stats_fetch_begin include/linux/u64_stats_sync.h:164 [inline])
[<802c00c0>] (lock_acquire) from [<81570094>] (u64_stats_fetch_begin include/linux/u64_stats_sync.h:175 [inline])
[<802c00c0>] (lock_acquire) from [<81570094>] (nsim_get_stats64+0xdc/0xf0 drivers/net/netdevsim/netdev.c:70)
 r10:8a9b2764 r9:00000001 r8:8a9b2740 r7:60000013 r6:81e44dfc r5:8a9b312c
 r4:8a9b2000
[<8156ffb8>] (nsim_get_stats64) from [<81e44dfc>] (dev_get_stats+0x44/0xd0 net/core/dev.c:10525)
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:829fbc90 r5:8a9b2000
 r4:8a9b312c
[<81e44db8>] (dev_get_stats) from [<81e692b0>] (rtnl_fill_stats+0x38/0x120 net/core/rtnetlink.c:1211)
 r7:00000000 r6:8a9b2000 r5:89b419c0 r4:8a9b3128
[<81e69278>] (rtnl_fill_stats) from [<81e6fe84>] (rtnl_fill_ifinfo+0x6cc/0x1480 net/core/rtnetlink.c:1783)
 r7:00000000 r6:84051e3c r5:8a9b2000 r4:89b419c0
[<81e6f7b8>] (rtnl_fill_ifinfo) from [<81e72fd4>] (rtmsg_ifinfo_build_skb+0x9c/0x108 net/core/rtnetlink.c:3798)
 r10:00000cc0 r9:8a530000 r8:00000000 r7:ffffffff r6:00000010 r5:89b419c0
 r4:00000000
[<81e72f38>] (rtmsg_ifinfo_build_skb) from [<81e731cc>] (rtmsg_ifinfo_event net/core/rtnetlink.c:3830 [inline])
[<81e72f38>] (rtmsg_ifinfo_build_skb) from [<81e731cc>] (rtmsg_ifinfo_event net/core/rtnetlink.c:3821 [inline])
[<81e72f38>] (rtmsg_ifinfo_build_skb) from [<81e731cc>] (rtmsg_ifinfo+0x44/0x70 net/core/rtnetlink.c:3839)
 r10:8a9d7400 r9:00000000 r8:8a9e0608 r7:00000000 r6:00000cc0 r5:00000001
 r4:8a9b2000
[<81e73188>] (rtmsg_ifinfo) from [<81e5bdbc>] (register_netdevice+0x5c0/0x5e4 net/core/dev.c:10223)
 r7:00000000 r6:00000000 r5:8a9b2000 r4:00000000
[<81e5b7fc>] (register_netdevice) from [<81570438>] (nsim_create+0xf8/0x124 drivers/net/netdevsim/netdev.c:315)
 r7:8a9d7960 r6:8a9b2740 r5:00000000 r4:8a9b2000
[<81570340>] (nsim_create) from [<81570d00>] (__nsim_dev_port_add+0x108/0x188 drivers/net/netdevsim/dev.c:941)
 r7:00000000 r6:8a9d7960 r5:00000000 r4:8a9e0600
[<81570bf8>] (__nsim_dev_port_add) from [<81571c54>] (nsim_dev_port_add_all drivers/net/netdevsim/dev.c:990 [inline])
[<81570bf8>] (__nsim_dev_port_add) from [<81571c54>] (nsim_dev_probe+0x5b8/0x750 drivers/net/netdevsim/dev.c:1121)
 r8:00000000 r7:8a9d7960 r6:00000004 r5:00000000 r4:8a9d7800
[<8157169c>] (nsim_dev_probe) from [<81576524>] (nsim_bus_probe+0x10/0x14 drivers/net/netdevsim/bus.c:287)
 r10:00000002 r9:84264ff8 r8:00000000 r7:84bc8198 r6:00000000 r5:84bc8190
 r4:8a9d7400
[<81576514>] (nsim_bus_probe) from [<8117eb00>] (really_probe+0x100/0x50c drivers/base/dd.c:554)
[<8117ea00>] (really_probe) from [<8117f004>] (driver_probe_device+0xf8/0x1c8 drivers/base/dd.c:740)
 r10:84264fe0 r9:00000000 r8:84bc8138 r7:8a9d7400 r6:89aa3d5c r5:84264ff8
 r4:8a9d7400
[<8117ef0c>] (driver_probe_device) from [<8117f624>] (__device_attach_driver+0x8c/0xf0 drivers/base/dd.c:846)
 r9:00000000 r8:84bc8138 r7:8a9d7400 r6:89aa3d5c r5:84264ff8 r4:00000000
[<8117f598>] (__device_attach_driver) from [<8117c520>] (bus_for_each_drv+0x88/0xd8 drivers/base/bus.c:431)
 r7:8423b158 r6:8117f598 r5:89aa3d5c r4:00000000
[<8117c498>] (bus_for_each_drv) from [<8117f2ac>] (__device_attach+0xdc/0x1d0 drivers/base/dd.c:914)
 r6:8a9d7490 r5:00000001 r4:8a9d7400
[<8117f1d0>] (__device_attach) from [<8117f69c>] (device_initial_probe+0x14/0x18 drivers/base/dd.c:961)
 r6:8a9d7400 r5:84264f80 r4:8a9d7400
[<8117f688>] (device_initial_probe) from [<8117d998>] (bus_probe_device+0x90/0x98 drivers/base/bus.c:491)
[<8117d908>] (bus_probe_device) from [<8117adbc>] (device_add+0x324/0x828 drivers/base/core.c:3242)
 r7:8423b158 r6:00000000 r5:00000000 r4:8a9d7400
[<8117aa98>] (device_add) from [<8117b2dc>] (device_register+0x1c/0x20 drivers/base/core.c:3315)
 r10:00000000 r9:84264f80 r8:00000000 r7:84bd1ccc r6:84264f00 r5:00000003
 r4:8a9d7400
[<8117b2c0>] (device_register) from [<81576a58>] (nsim_bus_dev_new drivers/net/netdevsim/bus.c:336 [inline])
[<8117b2c0>] (device_register) from [<81576a58>] (new_device_store+0x178/0x208 drivers/net/netdevsim/bus.c:215)
 r5:00000003 r4:8a9d7400
[<815768e0>] (new_device_store) from [<8117c2f4>] (bus_attr_store+0x2c/0x38 drivers/base/bus.c:122)
 r9:8a98f0c0 r8:89aa3f08 r7:8a98c110 r6:8a98f0c0 r5:8117c2c8 r4:815768e0
[<8117c2c8>] (bus_attr_store) from [<805bf68c>] (sysfs_kf_write+0x48/0x54 fs/sysfs/file.c:139)
 r5:8117c2c8 r4:00000003
[<805bf644>] (sysfs_kf_write) from [<805be760>] (kernfs_fop_write_iter+0x128/0x1ec fs/kernfs/file.c:296)
 r7:8a98c110 r6:8a98c100 r5:00000000 r4:00000000
[<805be638>] (kernfs_fop_write_iter) from [<804dc504>] (call_write_iter include/linux/fs.h:1977 [inline])
[<805be638>] (kernfs_fop_write_iter) from [<804dc504>] (new_sync_write fs/read_write.c:518 [inline])
[<805be638>] (kernfs_fop_write_iter) from [<804dc504>] (vfs_write+0x3dc/0x57c fs/read_write.c:605)
 r9:00000003 r8:804dc80c r7:89aa3f68 r6:00000000 r5:8a4aa140 r4:00000000
[<804dc128>] (vfs_write) from [<804dc80c>] (ksys_write+0x68/0xec fs/read_write.c:658)
 r10:00000004 r9:89aa2000 r8:80200224 r7:00000000 r6:00000000 r5:8a4aa140
 r4:8a4aa140
[<804dc7a4>] (ksys_write) from [<804dc8a0>] (__do_sys_write fs/read_write.c:670 [inline])
[<804dc7a4>] (ksys_write) from [<804dc8a0>] (sys_write+0x10/0x14 fs/read_write.c:667)
 r7:00000004 r6:00000003 r5:011354c0 r4:00000004
[<804dc890>] (sys_write) from [<80200060>] (ret_fast_syscall+0x0/0x2c arch/arm/mm/proc-v7.S:64)
Exception stack(0x89aa3fa8 to 0x89aa3ff0)
3fa0:                   00000004 011354c0 00000004 7ed2d1f0 00000003 00000000
3fc0: 00000004 011354c0 00000003 00000004 7ed2d1f0 7ed2d84c 00087118 00000003
3fe0: 00000000 7ed2d1d0 00028aac 00028e10
netdevsim netdevsim0 netdevsim0: renamed from eth0
netdevsim netdevsim0 netdevsim1: renamed from eth1
netdevsim netdevsim0 netdevsim2: renamed from eth2
netdevsim netdevsim0 netdevsim3: renamed from eth3
8021q: adding VLAN 0 to HW filter on device bond0
8021q: adding VLAN 0 to HW filter on device team0
IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
8021q: adding VLAN 0 to HW filter on device batadv0
device veth0_vlan entered promiscuous mode
device veth1_vlan entered promiscuous mode
device veth0_macvtap entered promiscuous mode
device veth1_macvtap entered promiscuous mode
batman_adv: batadv0: Interface activated: batadv_slave_0
batman_adv: batadv0: Interface activated: batadv_slave_1
netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0
netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0
ieee80211 phy3: Selected rate control algorithm 'minstrel_ht'
ieee80211 phy4: Selected rate control algorithm 'minstrel_ht'
cgroup: cgroup: disabling cgroup2 socket matching due to net_prio or net_cls activation

Crashes (316):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Title
ci-qemu2-arm32	2021/02/28 20:38	upstream	cd278456	4c37c133	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/27 16:53	upstream	5695e516	4c37c133	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/26 22:33	upstream	3fb6d0e0	4c37c133	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/26 18:53	upstream	8b83369d	4c37c133	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/26 09:52	upstream	2c87f7a3	4c37c133	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/26 09:52	upstream	2c87f7a3	4c37c133	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/25 20:31	upstream	fdce2960	76f7fc95	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/25 18:50	upstream	6fbd6cf8	76f7fc95	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/25 13:50	upstream	29c395c7	76f7fc95	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/25 01:08	upstream	29c395c7	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/24 19:47	upstream	062c84fc	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/24 19:08	upstream	719bbd4a	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/24 00:48	upstream	c03c21ba	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/23 23:48	upstream	414eece9	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/23 22:28	upstream	f6e1e1d1	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/23 20:48	upstream	5cf0fd59	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/23 03:08	upstream	3b9cdafb	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/23 02:08	upstream	e913a8cd	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/23 02:08	upstream	e913a8cd	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/23 00:07	upstream	b12b4724	fcc6d71b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/22 21:55	upstream	7c70f3a7	c26fb06b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/22 18:47	upstream	a99163e9	c26fb06b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/22 12:04	upstream	31caf8b2	c26fb06b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/22 12:04	upstream	31caf8b2	c26fb06b	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/22 01:43	upstream	31caf8b2	a659b3f1	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/21 22:23	upstream	66f73fb3	a659b3f1	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/21 21:03	upstream	d310ec03	a659b3f1	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/21 19:03	upstream	b52bb135	a659b3f1	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/21 16:02	upstream	55f62bc8	a659b3f1	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/21 16:02	upstream	55f62bc8	a659b3f1	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/21 05:31	upstream	2c405d1a	3e5ed8b4	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/21 03:47	upstream	e767b353	3e5ed8b4	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/20 20:41	upstream	f40ddce8	3e5ed8b4	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/20 08:40	upstream	f40ddce8	053a2b26	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/20 08:40	upstream	f40ddce8	053a2b26	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/19 14:57	upstream	f40ddce8	f689d40a	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/17 19:04	upstream	f40ddce8	14052202	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/17 07:01	upstream	f40ddce8	052f8d9f	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/14 22:56	upstream	f40ddce8	98682e5e	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/14 21:16	upstream	28a17338	98682e5e	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/13 23:55	upstream	358fecee	98682e5e	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/02/13 20:55	upstream	ac30d8ce	98682e5e	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64
ci-qemu2-arm32	2021/01/26 19:30	upstream	c7230a48	a0ebf917	.config	log	report	upstream test error: INFO: trying to register non-static key in nsim_get_stats64