usb 1-1: Direct firmware load for ueagle-atm/eagleI.fw failed with error -2
usb 1-1: Falling back to sysfs fallback for: ueagle-atm/eagleI.fw
==================================================================
BUG: KASAN: use-after-free in kernfs_type include/linux/kernfs.h:337 [inline]
BUG: KASAN: use-after-free in kernfs_leftmost_descendant fs/kernfs/dir.c:1262 [inline]
BUG: KASAN: use-after-free in kernfs_next_descendant_post+0x22a/0x2f0 fs/kernfs/dir.c:1293
Read of size 2 at addr ffff88807bc72520 by task kworker/1:6/3699

CPU: 1 PID: 3699 Comm: kworker/1:6 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Workqueue: events request_firmware_work_func
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15e/0x45d mm/kasan/report.c:395
 kasan_report+0xbb/0x1f0 mm/kasan/report.c:495
 kernfs_type include/linux/kernfs.h:337 [inline]
 kernfs_leftmost_descendant fs/kernfs/dir.c:1262 [inline]
 kernfs_next_descendant_post+0x22a/0x2f0 fs/kernfs/dir.c:1293
 kernfs_activate fs/kernfs/dir.c:1344 [inline]
 kernfs_add_one+0x38d/0x4e0 fs/kernfs/dir.c:776
 kernfs_create_dir_ns+0x18b/0x220 fs/kernfs/dir.c:1021
 sysfs_create_dir_ns+0x127/0x290 fs/sysfs/dir.c:59
 create_dir lib/kobject.c:63 [inline]
 kobject_add_internal+0x2c9/0x8f0 lib/kobject.c:223
 kobject_add_varg lib/kobject.c:358 [inline]
 kobject_add+0x150/0x1c0 lib/kobject.c:410
 class_dir_create_and_add drivers/base/core.c:3054 [inline]
 get_device_parent+0x3d7/0x590 drivers/base/core.c:3109
 device_add+0x2aa/0x1e90 drivers/base/core.c:3438
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:82 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline]
 firmware_fallback_sysfs+0x2d5/0xba0 drivers/base/firmware_loader/fallback.c:234
 _request_firmware+0xbca/0x1190 drivers/base/firmware_loader/main.c:856
 request_firmware_work_func+0xdd/0x230 drivers/base/firmware_loader/main.c:1105
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Allocated by task 3699:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45
 kasan_set_track+0x21/0x30 mm/kasan/common.c:52
 __kasan_slab_alloc+0x7e/0x80 mm/kasan/common.c:325
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:754 [inline]
 slab_alloc_node mm/slub.c:3336 [inline]
 slab_alloc mm/slub.c:3344 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3351 [inline]
 kmem_cache_alloc+0x2b7/0x3d0 mm/slub.c:3360
 kmem_cache_zalloc include/linux/slab.h:685 [inline]
 __kernfs_new_node+0xd4/0x8b0 fs/kernfs/dir.c:603
 kernfs_new_node fs/kernfs/dir.c:665 [inline]
 kernfs_create_dir_ns+0x9c/0x220 fs/kernfs/dir.c:1011
 sysfs_create_dir_ns+0x127/0x290 fs/sysfs/dir.c:59
 create_dir lib/kobject.c:63 [inline]
 kobject_add_internal+0x2c9/0x8f0 lib/kobject.c:223
 kobject_add_varg lib/kobject.c:358 [inline]
 kobject_add+0x150/0x1c0 lib/kobject.c:410
 class_dir_create_and_add drivers/base/core.c:3054 [inline]
 get_device_parent+0x3d7/0x590 drivers/base/core.c:3109
 device_add+0x2aa/0x1e90 drivers/base/core.c:3438
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:82 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:158 [inline]
 firmware_fallback_sysfs+0x2d5/0xba0 drivers/base/firmware_loader/fallback.c:234
 _request_firmware+0xbca/0x1190 drivers/base/firmware_loader/main.c:856
 request_firmware_work_func+0xdd/0x230 drivers/base/firmware_loader/main.c:1105
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

Freed by task 3692:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:45
 kasan_set_track+0x21/0x30 mm/kasan/common.c:52
 kasan_save_free_info+0x2a/0x40 mm/kasan/generic.c:511
 ____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:177 [inline]
 slab_free_hook mm/slub.c:1669 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1695
 slab_free mm/slub.c:3599 [inline]
 kmem_cache_free+0xea/0x5b0 mm/slub.c:3621
 kernfs_put.part.0+0x2c4/0x540 fs/kernfs/dir.c:557
 kernfs_put+0x42/0x50 fs/kernfs/dir.c:531
 __kernfs_remove+0x463/0x600 fs/kernfs/dir.c:1443
 kernfs_remove+0x77/0xa0 fs/kernfs/dir.c:1463
 sysfs_remove_dir+0xc1/0x100 fs/sysfs/dir.c:101
 __kobject_del+0xe2/0x1f0 lib/kobject.c:588
 kobject_del lib/kobject.c:611 [inline]
 kobject_del+0x3c/0x60 lib/kobject.c:603
 device_del+0x81c/0xc80 drivers/base/core.c:3715
 usb_disconnect.cold+0x49b/0x6ed drivers/usb/core/hub.c:2261
 hub_port_connect drivers/usb/core/hub.c:5197 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 port_event drivers/usb/core/hub.c:5653 [inline]
 hub_event+0x1f86/0x45f0 drivers/usb/core/hub.c:5735
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0x854/0x1080 kernel/workqueue.c:2438
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

The buggy address belongs to the object at ffff88807bc72488
 which belongs to the cache kernfs_node_cache of size 168
The buggy address is located 152 bytes inside of
 168-byte region [ffff88807bc72488, ffff88807bc72530)

The buggy address belongs to the physical page:
page:ffffea0001ef1c80 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffffea0001ec71c0 pfn:0x7bc72
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffff8880119d4c80 dead000080110011 0000000000000000
raw: ffffea0001ec71c0 dead000000000008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 3643, tgid 3643 (syz-executor.3), ts 200058129032, free_ts 200017109042
 prep_new_page mm/page_alloc.c:2538 [inline]
 get_page_from_freelist+0x1092/0x2d20 mm/page_alloc.c:4287
 __alloc_pages+0x1c7/0x5a0 mm/page_alloc.c:5546
 alloc_pages+0x1a6/0x270 mm/mempolicy.c:2280
 alloc_slab_page mm/slub.c:1739 [inline]
 allocate_slab+0x213/0x300 mm/slub.c:1884
 new_slab mm/slub.c:1937 [inline]
 ___slab_alloc+0xac1/0x1430 mm/slub.c:3119
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3217
 slab_alloc_node mm/slub.c:3302 [inline]
 slab_alloc mm/slub.c:3344 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3351 [inline]
 kmem_cache_alloc+0x31c/0x3d0 mm/slub.c:3360
 kmem_cache_zalloc include/linux/slab.h:685 [inline]
 __kernfs_new_node+0xd4/0x8b0 fs/kernfs/dir.c:603
 kernfs_new_node fs/kernfs/dir.c:665 [inline]
 kernfs_create_dir_ns+0x9c/0x220 fs/kernfs/dir.c:1011
 sysfs_create_dir_ns+0x127/0x290 fs/sysfs/dir.c:59
 create_dir lib/kobject.c:63 [inline]
 kobject_add_internal+0x2c9/0x8f0 lib/kobject.c:223
 kobject_add_varg lib/kobject.c:358 [inline]
 kobject_init_and_add+0x101/0x160 lib/kobject.c:441
 netdev_queue_add_kobject net/core/net-sysfs.c:1666 [inline]
 netdev_queue_update_kobjects+0x1ff/0x4e0 net/core/net-sysfs.c:1718
 register_queue_kobjects net/core/net-sysfs.c:1779 [inline]
 netdev_register_kobject+0x330/0x400 net/core/net-sysfs.c:2019
 register_netdevice+0xd95/0x1660 net/core/dev.c:10070
 veth_newlink+0x4cf/0x990 drivers/net/veth.c:1795
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1458 [inline]
 free_pcp_prepare+0x65c/0xd90 mm/page_alloc.c:1508
 free_unref_page_prepare mm/page_alloc.c:3386 [inline]
 free_unref_page+0x19/0x4d0 mm/page_alloc.c:3482
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x62/0x80 mm/kasan/common.c:302
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:754 [inline]
 slab_alloc_node mm/slub.c:3336 [inline]
 slab_alloc mm/slub.c:3344 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3351 [inline]
 kmem_cache_alloc+0x2b7/0x3d0 mm/slub.c:3360
 kmem_cache_zalloc include/linux/slab.h:685 [inline]
 __kernfs_new_node+0xd4/0x8b0 fs/kernfs/dir.c:603
 kernfs_new_node+0x93/0x120 fs/kernfs/dir.c:665
 __kernfs_create_file+0x51/0x350 fs/kernfs/file.c:1043
 sysfs_add_file_mode_ns+0x20f/0x3f0 fs/sysfs/file.c:294
 create_files fs/sysfs/group.c:64 [inline]
 internal_create_group+0x322/0xb10 fs/sysfs/group.c:148
 internal_create_groups.part.0+0x90/0x140 fs/sysfs/group.c:188
 internal_create_groups fs/sysfs/group.c:184 [inline]
 sysfs_create_groups+0x25/0x50 fs/sysfs/group.c:214
 device_add_groups drivers/base/core.c:2572 [inline]
 device_add_attrs drivers/base/core.c:2731 [inline]
 device_add+0x14a1/0x1e90 drivers/base/core.c:3468
 netdev_register_kobject+0x181/0x400 net/core/net-sysfs.c:2015
 register_netdevice+0xd95/0x1660 net/core/dev.c:10070

Memory state around the buggy address:
 ffff88807bc72400: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc
 ffff88807bc72480: fc fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807bc72500: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fa fb
                               ^
 ffff88807bc72580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807bc72600: fb fb fb fc fc fc fc fc fc fc fc fa fb fb fb fb
==================================================================