==================================================================
BUG: KASAN: use-after-free in worker_thread+0xb0e/0x1390 kernel/workqueue.c:2434
Read of size 8 at addr ffff88811ade6b30 by task kworker/1:7/1356

CPU: 1 PID: 1356 Comm: kworker/1:7 Not tainted 6.1.0-rc6-syzkaller-00015-gc3eb11fbb826 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue:  0x0 (events)
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x164/0x510 mm/kasan/report.c:395
 kasan_report+0x13f/0x170 mm/kasan/report.c:495
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:351
 worker_thread+0xb0e/0x1390 kernel/workqueue.c:2434
 kthread+0x26b/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Allocated by task 513:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x70 mm/kasan/common.c:52
 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:500
 ____kasan_kmalloc mm/kasan/common.c:371 [inline]
 __kasan_kmalloc+0x9c/0xb0 mm/kasan/common.c:380
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:955 [inline]
 __kmalloc_node+0xb0/0x1e0 mm/slab_common.c:962
 kmalloc_node include/linux/slab.h:579 [inline]
 kvmalloc_node+0x72/0x190 mm/util.c:581
 kvmalloc include/linux/slab.h:706 [inline]
 kvzalloc include/linux/slab.h:714 [inline]
 alloc_netdev_mqs+0x8c/0xd50 net/core/dev.c:10588
 alloc_etherdev_mqs+0x36/0x40 net/ethernet/eth.c:394
 usbnet_probe+0x186/0x2580 drivers/net/usb/usbnet.c:1693
 usb_probe_interface+0x632/0xae0 drivers/usb/core/driver.c:396
 really_probe+0x2af/0x910 drivers/base/dd.c:639
 __driver_probe_device+0x1b4/0x280 drivers/base/dd.c:778
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:808
 __device_attach_driver+0x2dd/0x490 drivers/base/dd.c:936
 bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
 __device_attach+0x322/0x530 drivers/base/dd.c:1008
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1057
 bus_probe_device+0xb9/0x1e0 drivers/base/bus.c:487
 device_add+0xb15/0xed0 drivers/base/core.c:3517
 usb_set_configuration+0x1a91/0x2010 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x13a/0x240 drivers/usb/core/driver.c:293
 really_probe+0x2af/0x910 drivers/base/dd.c:639
 __driver_probe_device+0x1b4/0x280 drivers/base/dd.c:778
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:808
 __device_attach_driver+0x2dd/0x490 drivers/base/dd.c:936
 bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
 __device_attach+0x322/0x530 drivers/base/dd.c:1008
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1057
 bus_probe_device+0xb9/0x1e0 drivers/base/bus.c:487
 device_add+0xb15/0xed0 drivers/base/core.c:3517
 usb_new_device+0xba4/0x1770 drivers/usb/core/hub.c:2573
 hub_port_connect drivers/usb/core/hub.c:5353 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 port_event drivers/usb/core/hub.c:5653 [inline]
 hub_event+0x2c36/0x5020 drivers/usb/core/hub.c:5735
 process_one_work+0x6cb/0xc00 kernel/workqueue.c:2289
 worker_thread+0xb3c/0x1390 kernel/workqueue.c:2436
 kthread+0x26b/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

Freed by task 513:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:511
 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:236
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:244
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook+0xc9/0x1a0 mm/slub.c:1750
 slab_free mm/slub.c:3661 [inline]
 __kmem_cache_free+0xbb/0x160 mm/slub.c:3674
 kfree+0x7a/0xf0 mm/slab_common.c:1007
 kvfree+0x35/0x40 mm/util.c:627
 netdev_freemem+0x3e/0x60 net/core/dev.c:10542
 netdev_release+0x79/0xa0 net/core/net-sysfs.c:1910
 device_release+0x9c/0x1d0
 kobject_cleanup lib/kobject.c:673 [inline]
 kobject_release lib/kobject.c:704 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x163/0x240 lib/kobject.c:721
 put_device+0x1f/0x30 drivers/base/core.c:3624
 free_netdev+0x3a6/0x490 net/core/dev.c:10735
 usbnet_disconnect+0x267/0x3a0 drivers/net/usb/usbnet.c:1632
 usb_unbind_interface+0x206/0x8d0 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:550 [inline]
 __device_release_driver drivers/base/dd.c:1249 [inline]
 device_release_driver_internal+0x548/0x870 drivers/base/dd.c:1275
 device_release_driver+0x19/0x20 drivers/base/dd.c:1298
 bus_remove_device+0x2c7/0x330 drivers/base/bus.c:529
 device_del+0x618/0xe90 drivers/base/core.c:3704
 usb_disable_device+0x3a4/0x710 drivers/usb/core/message.c:1419
 usb_disconnect+0x342/0x880 drivers/usb/core/hub.c:2235
 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+0x1f1d/0x5020 drivers/usb/core/hub.c:5735
 process_one_work+0x6cb/0xc00 kernel/workqueue.c:2289
 process_scheduled_works kernel/workqueue.c:2352 [inline]
 worker_thread+0xe64/0x1390 kernel/workqueue.c:2438
 kthread+0x26b/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb4/0xc0 mm/kasan/generic.c:481
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:491
 insert_work+0x56/0x320 kernel/workqueue.c:1358
 __queue_work+0x9e1/0xda0 kernel/workqueue.c:1517
 queue_work_on+0xf2/0x170 kernel/workqueue.c:1545
 usbnet_link_change+0xe6/0x100
 usbnet_probe+0x1be3/0x2580 drivers/net/usb/usbnet.c:1834
 usb_probe_interface+0x632/0xae0 drivers/usb/core/driver.c:396
 really_probe+0x2af/0x910 drivers/base/dd.c:639
 __driver_probe_device+0x1b4/0x280 drivers/base/dd.c:778
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:808
 __device_attach_driver+0x2dd/0x490 drivers/base/dd.c:936
 bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
 __device_attach+0x322/0x530 drivers/base/dd.c:1008
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1057
 bus_probe_device+0xb9/0x1e0 drivers/base/bus.c:487
 device_add+0xb15/0xed0 drivers/base/core.c:3517
 usb_set_configuration+0x1a91/0x2010 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x13a/0x240 drivers/usb/core/driver.c:293
 really_probe+0x2af/0x910 drivers/base/dd.c:639
 __driver_probe_device+0x1b4/0x280 drivers/base/dd.c:778
 driver_probe_device+0x54/0x3d0 drivers/base/dd.c:808
 __device_attach_driver+0x2dd/0x490 drivers/base/dd.c:936
 bus_for_each_drv+0x18a/0x210 drivers/base/bus.c:427
 __device_attach+0x322/0x530 drivers/base/dd.c:1008
 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1057
 bus_probe_device+0xb9/0x1e0 drivers/base/bus.c:487
 device_add+0xb15/0xed0 drivers/base/core.c:3517
 usb_new_device+0xba4/0x1770 drivers/usb/core/hub.c:2573
 hub_port_connect drivers/usb/core/hub.c:5353 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5497 [inline]
 port_event drivers/usb/core/hub.c:5653 [inline]
 hub_event+0x2c36/0x5020 drivers/usb/core/hub.c:5735
 process_one_work+0x6cb/0xc00 kernel/workqueue.c:2289
 worker_thread+0xb3c/0x1390 kernel/workqueue.c:2436
 kthread+0x26b/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

The buggy address belongs to the object at ffff88811ade6000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 2864 bytes inside of
 4096-byte region [ffff88811ade6000, ffff88811ade7000)

The buggy address belongs to the physical page:
page:ffffea00046b7800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11ade0
head:ffffea00046b7800 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042140
raw: 0000000000000000 0000000000040004 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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 513, tgid 513 (kworker/1:5), ts 77674567599, free_ts 75509116937
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x1eb/0x1f0 mm/page_alloc.c:2532
 prep_new_page mm/page_alloc.c:2539 [inline]
 get_page_from_freelist+0x375/0x3f0 mm/page_alloc.c:4288
 __alloc_pages+0x3d1/0x7c0 mm/page_alloc.c:5555
 allocate_slab+0x76/0x4e0 mm/slub.c:1939
 new_slab mm/slub.c:1992 [inline]
 ___slab_alloc+0x4da/0x940 mm/slub.c:3180
 __slab_alloc+0x5d/0xa0 mm/slub.c:3279
 slab_alloc_node mm/slub.c:3364 [inline]
 __kmem_cache_alloc_node+0x1f1/0x290 mm/slub.c:3437
 kmalloc_trace+0x2a/0xa0 mm/slab_common.c:1045
 kmalloc include/linux/slab.h:553 [inline]
 kzalloc include/linux/slab.h:689 [inline]
 kobject_uevent_env+0x265/0x730 lib/kobject_uevent.c:524
 kobject_uevent+0x1f/0x30 lib/kobject_uevent.c:642
 device_add+0xa27/0xed0 drivers/base/core.c:3498
 usb_set_configuration+0x1a91/0x2010 drivers/usb/core/message.c:2170
 usb_generic_driver_probe+0x89/0x150 drivers/usb/core/generic.c:238
 usb_probe_device+0x13a/0x240 drivers/usb/core/driver.c:293
 really_probe+0x2af/0x910 drivers/base/dd.c:639
 __driver_probe_device+0x1b4/0x280 drivers/base/dd.c:778
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1459 [inline]
 free_pcp_prepare+0x4d0/0x4e0 mm/page_alloc.c:1532
 free_unref_page_prepare mm/page_alloc.c:3387 [inline]
 free_unref_page+0x70/0x530 mm/page_alloc.c:3483
 free_the_page mm/page_alloc.c:770 [inline]
 __free_pages+0xd8/0x100 mm/page_alloc.c:5641
 __free_slab+0xd2/0x1b0 mm/slub.c:2016
 free_slab mm/slub.c:2031 [inline]
 discard_slab mm/slub.c:2037 [inline]
 __unfreeze_partials+0x17d/0x1b0 mm/slub.c:2586
 put_cpu_partial+0xa9/0x100 mm/slub.c:2662
 __slab_free+0x203/0x280 mm/slub.c:3538
 do_slab_free mm/slub.c:3615 [inline]
 ___cache_free+0xc6/0xd0 mm/slub.c:3668
 qlink_free+0x4d/0x90 mm/kasan/quarantine.c:168
 qlist_free_all+0x5a/0xd0 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x15a/0x180 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:302
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:737 [inline]
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x18f/0x300 mm/slub.c:3422
 vm_area_alloc+0x24/0xe0 kernel/fork.c:458
 mmap_region+0xdd9/0x1ea0 mm/mmap.c:2605
 do_mmap+0x895/0xe50 mm/mmap.c:1412

Memory state around the buggy address:
 ffff88811ade6a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88811ade6a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88811ade6b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                     ^
 ffff88811ade6b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88811ade6c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================