usb 4-1: config 16 interface 0 altsetting 0 has 2 endpoint descriptors, different from the interface descriptor's value: 3
usb 4-1: New USB device found, idVendor=ea8d, idProduct=db1a, bcdDevice=61.23
usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 4-1: GET_CAPABILITIES returned 0
usbtmc 4-1:16.0: can't read capabilities
==================================================================
BUG: KASAN: slab-use-after-free in lockdep_register_key+0x396/0x410 kernel/locking/lockdep.c:1231
Read of size 8 at addr ffff88807cc7e360 by task kworker/0:2/899

CPU: 0 PID: 899 Comm: kworker/0:2 Not tainted 6.3.0-rc4-next-20230329-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/17/2023
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106
 print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:351
 print_report mm/kasan/report.c:462 [inline]
 kasan_report+0x11c/0x130 mm/kasan/report.c:572
 lockdep_register_key+0x396/0x410 kernel/locking/lockdep.c:1231
 class_register+0xed/0x530 drivers/base/class.c:172
 class_create+0x99/0x100 drivers/base/class.c:249
 init_usb_class drivers/usb/core/file.c:91 [inline]
 usb_register_dev+0x4e7/0x860 drivers/usb/core/file.c:179
 usbtmc_probe+0xdae/0x1ad0 drivers/usb/class/usbtmc.c:2459
 usb_probe_interface+0x30f/0x960 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x240/0xca0 drivers/base/dd.c:658
 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:795
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:825
 __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:953
 bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457
 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1025
 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
 device_add+0x11c4/0x1c50 drivers/base/core.c:3611
 usb_set_configuration+0x10ee/0x1af0 drivers/usb/core/message.c:2171
 usb_generic_driver_probe+0xcf/0x130 drivers/usb/core/generic.c:238
 usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x240/0xca0 drivers/base/dd.c:658
 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:795
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:825
 __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:953
 bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457
 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1025
 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
 device_add+0x11c4/0x1c50 drivers/base/core.c:3611
 usb_new_device+0xcb2/0x19d0 drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5407 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x2d9e/0x4e40 drivers/usb/core/hub.c:5793
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x33e/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>

Allocated by task 23460:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 ____kasan_kmalloc mm/kasan/common.c:333 [inline]
 __kasan_kmalloc+0xa2/0xb0 mm/kasan/common.c:383
 kmalloc include/linux/slab.h:559 [inline]
 kzalloc include/linux/slab.h:680 [inline]
 class_register+0x55/0x530 drivers/base/class.c:165
 class_create+0x99/0x100 drivers/base/class.c:249
 init_usb_class drivers/usb/core/file.c:91 [inline]
 usb_register_dev+0x4e7/0x860 drivers/usb/core/file.c:179
 usbtmc_probe+0xdae/0x1ad0 drivers/usb/class/usbtmc.c:2459
 usb_probe_interface+0x30f/0x960 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x240/0xca0 drivers/base/dd.c:658
 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:795
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:825
 __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:953
 bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457
 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1025
 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
 device_add+0x11c4/0x1c50 drivers/base/core.c:3611
 usb_set_configuration+0x10ee/0x1af0 drivers/usb/core/message.c:2171
 usb_generic_driver_probe+0xcf/0x130 drivers/usb/core/generic.c:238
 usb_probe_device+0xd8/0x2c0 drivers/usb/core/driver.c:293
 call_driver_probe drivers/base/dd.c:579 [inline]
 really_probe+0x240/0xca0 drivers/base/dd.c:658
 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:795
 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:825
 __device_attach_driver+0x1d4/0x2e0 drivers/base/dd.c:953
 bus_for_each_drv+0x149/0x1d0 drivers/base/bus.c:457
 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1025
 bus_probe_device+0x17c/0x1c0 drivers/base/bus.c:532
 device_add+0x11c4/0x1c50 drivers/base/core.c:3611
 usb_new_device+0xcb2/0x19d0 drivers/usb/core/hub.c:2575
 hub_port_connect drivers/usb/core/hub.c:5407 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x2d9e/0x4e40 drivers/usb/core/hub.c:5793
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x33e/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Freed by task 23460:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:521
 ____kasan_slab_free mm/kasan/common.c:236 [inline]
 ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
 kasan_slab_free include/linux/kasan.h:162 [inline]
 slab_free_hook mm/slub.c:1781 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1807
 slab_free mm/slub.c:3787 [inline]
 __kmem_cache_free+0xaf/0x2d0 mm/slub.c:3800
 kobject_cleanup lib/kobject.c:683 [inline]
 kobject_release lib/kobject.c:714 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1c2/0x4d0 lib/kobject.c:731
 kset_unregister+0x64/0x80 lib/kobject.c:880
 class_destroy+0x3c/0x50 drivers/base/class.c:273
 release_usb_class drivers/usb/core/file.c:108 [inline]
 kref_put include/linux/kref.h:65 [inline]
 destroy_usb_class drivers/usb/core/file.c:116 [inline]
 usb_deregister_dev+0x274/0x320 drivers/usb/core/file.c:245
 usbtmc_disconnect+0x4e/0x420 drivers/usb/class/usbtmc.c:2482
 usb_unbind_interface+0x1dc/0x8e0 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:569 [inline]
 device_remove+0x11f/0x170 drivers/base/dd.c:561
 __device_release_driver drivers/base/dd.c:1267 [inline]
 device_release_driver_internal+0x443/0x610 drivers/base/dd.c:1290
 bus_remove_device+0x22c/0x420 drivers/base/bus.c:574
 device_del+0x48a/0xb80 drivers/base/core.c:3797
 usb_disable_device+0x35a/0x7b0 drivers/usb/core/message.c:1420
 usb_disconnect+0x2db/0x8a0 drivers/usb/core/hub.c:2238
 hub_port_connect drivers/usb/core/hub.c:5246 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5551 [inline]
 port_event drivers/usb/core/hub.c:5711 [inline]
 hub_event+0x1fbf/0x4e40 drivers/usb/core/hub.c:5793
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 process_scheduled_works kernel/workqueue.c:2468 [inline]
 worker_thread+0x881/0x10c0 kernel/workqueue.c:2554
 kthread+0x33e/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Last potentially related work creation:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:491
 kvfree_call_rcu+0x70/0xad0 kernel/rcu/tree.c:3331
 batadv_hardif_release+0xa4/0xd0 net/batman-adv/hard-interface.c:55
 kref_put include/linux/kref.h:65 [inline]
 batadv_hardif_put net/batman-adv/hard-interface.h:95 [inline]
 batadv_hard_if_event+0xd5d/0x15e0 net/batman-adv/hard-interface.c:1002
 notifier_call_chain+0xb6/0x3c0 kernel/notifier.c:93
 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:1937
 call_netdevice_notifiers_extack net/core/dev.c:1975 [inline]
 call_netdevice_notifiers net/core/dev.c:1989 [inline]
 unregister_netdevice_many_notify+0x77c/0x1910 net/core/dev.c:10843
 rtnl_newlink_create net/core/rtnetlink.c:3474 [inline]
 __rtnl_newlink+0x1485/0x1840 net/core/rtnetlink.c:3660
 rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3673
 rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6388
 netlink_rcv_skb+0x165/0x440 net/netlink/af_netlink.c:2572
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x547/0x7f0 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x925/0xe30 net/netlink/af_netlink.c:1942
 sock_sendmsg_nosec net/socket.c:724 [inline]
 sock_sendmsg+0xde/0x190 net/socket.c:747
 ____sys_sendmsg+0x71c/0x900 net/socket.c:2501
 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2555
 __sys_sendmsg+0xf7/0x1c0 net/socket.c:2584
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:491
 __call_rcu_common.constprop.0+0x99/0x790 kernel/rcu/tree.c:2637
 pwq_unbound_release_workfn+0x26b/0x340 kernel/workqueue.c:3864
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x33e/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

The buggy address belongs to the object at ffff88807cc7e000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 864 bytes inside of
 freed 1024-byte region [ffff88807cc7e000, ffff88807cc7e400)

The buggy address belongs to the physical page:
page:ffffea0001f31e00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7cc78
head:ffffea0001f31e00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
ksm flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000010200 ffff888012441dc0 ffffea0000aac400 dead000000000003
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5132, tgid 5132 (syz-executor.3), ts 255598001137, free_ts 253707152727
 prep_new_page mm/page_alloc.c:1729 [inline]
 get_page_from_freelist+0xf75/0x2aa0 mm/page_alloc.c:3493
 __alloc_pages+0x1cb/0x4a0 mm/page_alloc.c:4759
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2283
 alloc_slab_page mm/slub.c:1851 [inline]
 allocate_slab+0x28e/0x380 mm/slub.c:1998
 new_slab mm/slub.c:2051 [inline]
 ___slab_alloc+0xa91/0x1400 mm/slub.c:3193
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3292
 __slab_alloc_node mm/slub.c:3345 [inline]
 slab_alloc_node mm/slub.c:3442 [inline]
 __kmem_cache_alloc_node+0x136/0x320 mm/slub.c:3491
 __do_kmalloc_node mm/slab_common.c:965 [inline]
 __kmalloc_node_track_caller+0x4f/0x1a0 mm/slab_common.c:986
 kmalloc_reserve+0xf0/0x270 net/core/skbuff.c:535
 __alloc_skb+0x129/0x330 net/core/skbuff.c:604
 alloc_skb include/linux/skbuff.h:1269 [inline]
 nlmsg_new include/net/netlink.h:1003 [inline]
 inet6_rt_notify+0xf0/0x2b0 net/ipv6/route.c:6166
 fib6_add_rt2node net/ipv6/ip6_fib.c:1251 [inline]
 fib6_add+0x200d/0x4080 net/ipv6/ip6_fib.c:1477
 __ip6_ins_rt net/ipv6/route.c:1302 [inline]
 ip6_ins_rt+0xb6/0x110 net/ipv6/route.c:1312
 __ipv6_ifa_notify+0x8fe/0xb90 net/ipv6/addrconf.c:6163
 ipv6_ifa_notify net/ipv6/addrconf.c:6202 [inline]
 add_addr+0x237/0x350 net/ipv6/addrconf.c:3108
 add_v4_addrs+0x66b/0x930 net/ipv6/addrconf.c:3167
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1302 [inline]
 free_unref_page_prepare+0x4d8/0xb80 mm/page_alloc.c:2555
 free_unref_page+0x33/0x370 mm/page_alloc.c:2650
 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2637
 qlink_free mm/kasan/quarantine.c:166 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
 kasan_quarantine_reduce+0x195/0x220 mm/kasan/quarantine.c:292
 __kasan_slab_alloc+0x63/0x90 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:186 [inline]
 slab_post_alloc_hook mm/slab.h:711 [inline]
 slab_alloc_node mm/slub.c:3452 [inline]
 __kmem_cache_alloc_node+0x17c/0x320 mm/slub.c:3491
 __do_kmalloc_node mm/slab_common.c:965 [inline]
 __kmalloc_node+0x51/0x1a0 mm/slab_common.c:973
 kmalloc_node include/linux/slab.h:579 [inline]
 kvmalloc_node+0xa2/0x1a0 mm/util.c:604
 kvmalloc include/linux/slab.h:697 [inline]
 kvzalloc include/linux/slab.h:705 [inline]
 bucket_table_alloc.isra.0+0x8c/0x480 lib/rhashtable.c:184
 rhashtable_rehash_alloc+0x68/0x110 lib/rhashtable.c:363
 rht_deferred_worker+0x1ba/0x1ce0 lib/rhashtable.c:423
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
 worker_thread+0x67d/0x10c0 kernel/workqueue.c:2552
 kthread+0x33e/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Memory state around the buggy address:
 ffff88807cc7e200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807cc7e280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807cc7e300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                       ^
 ffff88807cc7e380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807cc7e400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================