BTRFS info (device loop5): allowing degraded mounts
BTRFS info (device loop5): use zlib compression, level 3
BTRFS info (device loop5): using free space tree
==================================================================
BUG: KASAN: slab-use-after-free in lockdep_register_key+0x396/0x410 kernel/locking/lockdep.c:1231
Read of size 8 at addr ffff888075d35360 by task syz-executor.5/21502

CPU: 0 PID: 21502 Comm: syz-executor.5 Not tainted 6.3.0-rc4-next-20230330-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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
 wq_init_lockdep kernel/workqueue.c:3604 [inline]
 alloc_workqueue+0x3f8/0x1110 kernel/workqueue.c:4476
 btrfs_alloc_workqueue+0x19d/0x540 fs/btrfs/async-thread.c:102
 btrfs_init_workqueues fs/btrfs/disk-io.c:2216 [inline]
 open_ctree+0x17de/0x5320 fs/btrfs/disk-io.c:3498
 btrfs_fill_super fs/btrfs/super.c:1152 [inline]
 btrfs_mount_root+0xa49/0xdb0 fs/btrfs/super.c:1521
 legacy_get_tree+0x109/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8d/0x350 fs/super.c:1510
 fc_mount fs/namespace.c:1035 [inline]
 vfs_kern_mount.part.0+0xd3/0x170 fs/namespace.c:1065
 vfs_kern_mount+0x40/0x60 fs/namespace.c:1052
 btrfs_mount+0x23f/0xb20 fs/btrfs/super.c:1581
 legacy_get_tree+0x109/0x220 fs/fs_context.c:610
 vfs_get_tree+0x8d/0x350 fs/super.c:1510
 do_new_mount fs/namespace.c:3039 [inline]
 path_mount+0x134b/0x1e40 fs/namespace.c:3369
 do_mount fs/namespace.c:3382 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x283/0x300 fs/namespace.c:3568
 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
RIP: 0033:0x7fbcbda8d62a
Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbcbe88af88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000000051ab RCX: 00007fbcbda8d62a
RDX: 00000000200051c0 RSI: 0000000020000080 RDI: 00007fbcbe88afe0
RBP: 00007fbcbe88b020 R08: 00007fbcbe88b020 R09: 0000000001000010
R10: 0000000001000010 R11: 0000000000000202 R12: 00000000200051c0
R13: 0000000020000080 R14: 00007fbcbe88afe0 R15: 00000000200000c0
 </TASK>

Allocated by task 5818:
 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
 usblp_probe+0xc91/0x16d0 drivers/usb/class/usblp.c:1208
 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:3616
 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:3616
 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 5818:
 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
 usblp_disconnect+0x4a/0x330 drivers/usb/class/usblp.c:1396
 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:3802
 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
 put_css_set_locked kernel/cgroup/cgroup.c:995 [inline]
 put_css_set_locked+0xad9/0x1080 kernel/cgroup/cgroup.c:961
 cgroup_migrate_finish+0x189/0x650 kernel/cgroup/cgroup.c:2723
 cgroup_attach_task+0x44a/0x790 kernel/cgroup/cgroup.c:2922
 cgroup_attach_task_all+0xe0/0x140 kernel/cgroup/cgroup-v1.c:70
 kvm_vm_worker_thread+0xe1/0x660 arch/x86/kvm/../../../virt/kvm/kvm_main.c:6104
 kthread+0x33e/0x440 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

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
 insert_work+0x48/0x360 kernel/workqueue.c:1365
 __queue_work+0x5c6/0xfb0 kernel/workqueue.c:1526
 queue_work_on+0xf2/0x110 kernel/workqueue.c:1554
 bio_endio+0x595/0x6a0 block/bio.c:1608
 req_bio_endio block/blk-mq.c:759 [inline]
 blk_update_request+0x56b/0x14f0 block/blk-mq.c:904
 blk_mq_end_request+0x59/0x4c0 block/blk-mq.c:1021
 blk_flush_complete_seq+0x532/0xf80 block/blk-flush.c:210
 flush_end_io+0x77e/0xc60 block/blk-flush.c:268
 __blk_mq_end_request block/blk-mq.c:1011 [inline]
 blk_mq_end_request+0x17b/0x4c0 block/blk-mq.c:1023
 lo_complete_rq+0x1c6/0x280 drivers/block/loop.c:370
 blk_complete_reqs+0xad/0xe0 block/blk-mq.c:1099
 __do_softirq+0x1d4/0x905 kernel/softirq.c:571

The buggy address belongs to the object at ffff888075d35000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 864 bytes inside of
 freed 1024-byte region [ffff888075d35000, ffff888075d35400)

The buggy address belongs to the physical page:
page:ffffea0001d74c00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x75d30
head:ffffea0001d74c00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
anon flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000010200 ffff888012441dc0 0000000000000000 dead000000000001
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 0x152820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_HARDWALL), pid 5180, tgid 5180 (kworker/0:6), ts 248497009256, free_ts 246560902325
 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+0x4e/0x190 mm/slab_common.c:979
 kmalloc include/linux/slab.h:563 [inline]
 kzalloc include/linux/slab.h:680 [inline]
 neigh_alloc net/core/neighbour.c:486 [inline]
 ___neigh_create+0x156f/0x2a40 net/core/neighbour.c:640
 ip6_finish_output2+0xfef/0x1570 net/ipv6/ip6_output.c:125
 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
 ip6_finish_output+0x69a/0x1170 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:458 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 ndisc_send_skb+0xa63/0x1850 net/ipv6/ndisc.c:508
 ndisc_send_ns+0xaa/0x130 net/ipv6/ndisc.c:666
 addrconf_dad_work+0xbf4/0x1390 net/ipv6/addrconf.c:4176
 process_one_work+0x99a/0x15e0 kernel/workqueue.c:2405
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
 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
 kmalloc_trace+0x26/0xe0 mm/slab_common.c:1057
 kmalloc include/linux/slab.h:559 [inline]
 netdevice_queue_work drivers/infiniband/core/roce_gid_mgmt.c:643 [inline]
 netdevice_event+0x368/0x8f0 drivers/infiniband/core/roce_gid_mgmt.c:802
 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]
 __dev_notify_flags+0x120/0x2d0 net/core/dev.c:8566
 dev_change_flags+0x11b/0x170 net/core/dev.c:8604
 do_setlink+0x9f4/0x3d30 net/core/rtnetlink.c:2836
 __rtnl_newlink+0xd69/0x1840 net/core/rtnetlink.c:3626
 rtnl_newlink+0x68/0xa0 net/core/rtnetlink.c:3673
 rtnetlink_rcv_msg+0x43d/0xd50 net/core/rtnetlink.c:6388

Memory state around the buggy address:
 ffff888075d35200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888075d35280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888075d35300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                       ^
 ffff888075d35380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888075d35400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================