==================================================================
BUG: KASAN: use-after-free in __list_del_entry_valid+0xa6/0x120 lib/list_debug.c:62
Read of size 8 at addr ffff88812f322c68 by task kworker/0:1/15
CPU: 0 PID: 15 Comm: kworker/0:1 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events vmstat_shepherd
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
print_address_description+0x81/0x3b0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:435 [inline]
kasan_report+0x179/0x1c0 mm/kasan/report.c:452
__asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
__list_del_entry_valid+0xa6/0x120 lib/list_debug.c:62
__list_del_entry include/linux/list.h:132 [inline]
list_del_init include/linux/list.h:204 [inline]
process_one_work+0x43f/0xbd0 kernel/workqueue.c:2245
worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Allocated by task 15:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track mm/kasan/common.c:45 [inline]
set_alloc_info mm/kasan/common.c:430 [inline]
____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:509
__kasan_kmalloc+0x9/0x10 mm/kasan/common.c:518
kasan_kmalloc include/linux/kasan.h:254 [inline]
__kmalloc+0x1aa/0x330 mm/slub.c:4033
__kmalloc_node include/linux/slab.h:418 [inline]
kmalloc_node include/linux/slab.h:575 [inline]
kvmalloc_node+0x82/0x130 mm/util.c:612
kvmalloc include/linux/mm.h:822 [inline]
kvzalloc include/linux/mm.h:830 [inline]
alloc_netdev_mqs+0x8e/0xcd0 net/core/dev.c:10507
alloc_etherdev_mqs+0x33/0x40 net/ethernet/eth.c:388
usbnet_probe+0x1ff/0x2860 drivers/net/usb/usbnet.c:1662
usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:397
really_probe+0x3eb/0xaf0 drivers/base/dd.c:562
driver_probe_device+0xfd/0x260 drivers/base/dd.c:752
__device_attach_driver+0x29b/0x410 drivers/base/dd.c:863
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:431
__device_attach+0x30a/0x500 drivers/base/dd.c:932
device_initial_probe+0x1a/0x20 drivers/base/dd.c:981
bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:491
device_add+0x889/0xbc0 drivers/base/core.c:3276
usb_set_configuration+0x19a5/0x1f30 drivers/usb/core/message.c:2160
usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:294
really_probe+0x3eb/0xaf0 drivers/base/dd.c:562
driver_probe_device+0xfd/0x260 drivers/base/dd.c:752
__device_attach_driver+0x29b/0x410 drivers/base/dd.c:863
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:431
__device_attach+0x30a/0x500 drivers/base/dd.c:932
device_initial_probe+0x1a/0x20 drivers/base/dd.c:981
bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:491
device_add+0x889/0xbc0 drivers/base/core.c:3276
usb_new_device+0xbbc/0x1760 drivers/usb/core/hub.c:2615
hub_port_connect drivers/usb/core/hub.c:5457 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5597 [inline]
port_event drivers/usb/core/hub.c:5747 [inline]
hub_event+0x2d3b/0x47c0 drivers/usb/core/hub.c:5829
process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Freed by task 6623:
kasan_save_stack mm/kasan/common.c:38 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
____kasan_slab_free+0x121/0x160 mm/kasan/common.c:362
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
kasan_slab_free include/linux/kasan.h:220 [inline]
slab_free_hook mm/slub.c:1595 [inline]
slab_free_freelist_hook+0xc0/0x190 mm/slub.c:1621
slab_free mm/slub.c:3203 [inline]
kfree+0xc3/0x270 mm/slub.c:4191
kvfree+0x35/0x40 mm/util.c:647
netdev_freemem+0x3f/0x60 net/core/dev.c:10461
netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1886
device_release+0x95/0x1c0
kobject_cleanup lib/kobject.c:713 [inline]
kobject_release lib/kobject.c:744 [inline]
kref_put include/linux/kref.h:65 [inline]
kobject_put+0x178/0x260 lib/kobject.c:761
put_device+0x1f/0x30 drivers/base/core.c:3375
free_netdev+0x384/0x470 net/core/dev.c:10638
usbnet_disconnect+0x242/0x3a0 drivers/net/usb/usbnet.c:1601
usb_unbind_interface+0x1fa/0x8c0 drivers/usb/core/driver.c:459
device_release_driver_internal+0x506/0x7c0 drivers/base/dd.c:1221
device_release_driver+0x19/0x20 drivers/base/dd.c:1244
bus_remove_device+0x2f8/0x360 drivers/base/bus.c:533
device_del+0x68b/0xf00 drivers/base/core.c:3455
usb_disable_device+0x380/0x720 drivers/usb/core/message.c:1411
usb_disconnect+0x32a/0x890 drivers/usb/core/hub.c:2271
hub_port_connect drivers/usb/core/hub.c:5296 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5597 [inline]
port_event drivers/usb/core/hub.c:5747 [inline]
hub_event+0x1e73/0x47c0 drivers/usb/core/hub.c:5829
process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Last potentially related work creation:
kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
__kasan_record_aux_stack+0xd3/0x100 mm/kasan/generic.c:348
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
insert_work+0x56/0x310 kernel/workqueue.c:1352
__queue_work+0x970/0xd10 kernel/workqueue.c:1518
queue_work_on+0x105/0x160 kernel/workqueue.c:1545
usbnet_link_change+0xeb/0x100
usbnet_probe+0x1dff/0x2860 drivers/net/usb/usbnet.c:1808
usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:397
really_probe+0x3eb/0xaf0 drivers/base/dd.c:562
driver_probe_device+0xfd/0x260 drivers/base/dd.c:752
__device_attach_driver+0x29b/0x410 drivers/base/dd.c:863
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:431
__device_attach+0x30a/0x500 drivers/base/dd.c:932
device_initial_probe+0x1a/0x20 drivers/base/dd.c:981
bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:491
device_add+0x889/0xbc0 drivers/base/core.c:3276
usb_set_configuration+0x19a5/0x1f30 drivers/usb/core/message.c:2160
usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:294
really_probe+0x3eb/0xaf0 drivers/base/dd.c:562
driver_probe_device+0xfd/0x260 drivers/base/dd.c:752
__device_attach_driver+0x29b/0x410 drivers/base/dd.c:863
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:431
__device_attach+0x30a/0x500 drivers/base/dd.c:932
device_initial_probe+0x1a/0x20 drivers/base/dd.c:981
bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:491
device_add+0x889/0xbc0 drivers/base/core.c:3276
usb_new_device+0xbbc/0x1760 drivers/usb/core/hub.c:2615
hub_port_connect drivers/usb/core/hub.c:5457 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5597 [inline]
port_event drivers/usb/core/hub.c:5747 [inline]
hub_event+0x2d3b/0x47c0 drivers/usb/core/hub.c:5829
process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
The buggy address belongs to the object at ffff88812f322000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 3176 bytes inside of
4096-byte region [ffff88812f322000, ffff88812f323000)
The buggy address belongs to the page:
page:ffffea0004bcc800 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12f320
head:ffffea0004bcc800 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042c00
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 0x1d60c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 15, ts 309603157306, free_ts 309581682813
set_page_owner include/linux/page_owner.h:35 [inline]
post_alloc_hook mm/page_alloc.c:2456 [inline]
prep_new_page+0x166/0x180 mm/page_alloc.c:2462
get_page_from_freelist+0x2d8c/0x2f30 mm/page_alloc.c:4254
__alloc_pages_nodemask+0x435/0xaf0 mm/page_alloc.c:5348
allocate_slab mm/slub.c:1808 [inline]
new_slab+0x80/0x400 mm/slub.c:1869
new_slab_objects mm/slub.c:2627 [inline]
___slab_alloc+0x302/0x4b0 mm/slub.c:2791
__slab_alloc+0x63/0xa0 mm/slub.c:2831
slab_alloc_node mm/slub.c:2913 [inline]
slab_alloc mm/slub.c:2955 [inline]
__kmalloc+0x204/0x330 mm/slub.c:4029
__kmalloc_node include/linux/slab.h:418 [inline]
kmalloc_node include/linux/slab.h:575 [inline]
kvmalloc_node+0x82/0x130 mm/util.c:612
kvmalloc include/linux/mm.h:822 [inline]
kvzalloc include/linux/mm.h:830 [inline]
alloc_netdev_mqs+0x8e/0xcd0 net/core/dev.c:10507
alloc_etherdev_mqs+0x33/0x40 net/ethernet/eth.c:388
usbnet_probe+0x1ff/0x2860 drivers/net/usb/usbnet.c:1662
usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:397
really_probe+0x3eb/0xaf0 drivers/base/dd.c:562
driver_probe_device+0xfd/0x260 drivers/base/dd.c:752
__device_attach_driver+0x29b/0x410 drivers/base/dd.c:863
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:431
page last free stack trace:
reset_page_owner include/linux/page_owner.h:28 [inline]
free_pages_prepare mm/page_alloc.c:1349 [inline]
__free_pages_ok+0x82c/0x850 mm/page_alloc.c:1629
free_the_page+0x76/0x370 mm/page_alloc.c:5409
__free_pages+0x67/0xc0 mm/page_alloc.c:5418
__free_slab+0xcf/0x190 mm/slub.c:1894
free_slab mm/slub.c:1909 [inline]
discard_slab+0x29/0x40 mm/slub.c:1915
__slab_free+0x30d/0x3a0 mm/slub.c:3131
do_slab_free mm/slub.c:3191 [inline]
___cache_free+0x111/0x130 mm/slub.c:3210
qlink_free+0x50/0x90 mm/kasan/quarantine.c:157
qlist_free_all+0x47/0xb0 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x15a/0x170 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:440
kasan_slab_alloc include/linux/kasan.h:244 [inline]
slab_post_alloc_hook+0x61/0x2f0 mm/slab.h:583
slab_alloc_node mm/slub.c:2947 [inline]
slab_alloc mm/slub.c:2955 [inline]
kmem_cache_alloc+0x168/0x2e0 mm/slub.c:2960
getname_flags+0xba/0x520 fs/namei.c:141
getname+0x19/0x20 fs/namei.c:212
do_sys_openat2+0xd7/0x710 fs/open.c:1211
Memory state around the buggy address:
ffff88812f322b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88812f322b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88812f322c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88812f322c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88812f322d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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