==================================================================
BUG: KASAN: use-after-free in __list_add_valid+0x6a/0xf0 lib/list_debug.c:30
Read of size 8 at addr ffff888126c5ac68 by task kworker/1:78/21987
CPU: 1 PID: 21987 Comm: kworker/1:78 Tainted: G W 5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Workqueue: events_power_efficient neigh_periodic_work
Call Trace:
<IRQ>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
print_address_description+0x87/0x3b0 mm/kasan/report.c:248
__kasan_report mm/kasan/report.c:427 [inline]
kasan_report+0x179/0x1c0 mm/kasan/report.c:444
__asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
__list_add_valid+0x6a/0xf0 lib/list_debug.c:30
__list_add include/linux/list.h:67 [inline]
list_add_tail include/linux/list.h:100 [inline]
insert_work+0x104/0x320 kernel/workqueue.c:1377
__queue_work+0x92a/0xcd0 kernel/workqueue.c:1539
delayed_work_timer_fn+0x61/0x80 kernel/workqueue.c:1664
call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1427
expire_timers kernel/time/timer.c:1467 [inline]
__run_timers+0x756/0xa10 kernel/time/timer.c:1743
run_timer_softirq+0xb6/0xf0 kernel/time/timer.c:1758
__do_softirq+0x26d/0x5bf kernel/softirq.c:565
do_softirq+0xf6/0x150 kernel/softirq.c:452
</IRQ>
<TASK>
__local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379
__raw_write_unlock_bh include/linux/rwlock_api_smp.h:275 [inline]
_raw_write_unlock_bh+0x32/0x48 kernel/locking/spinlock.c:356
neigh_periodic_work+0x904/0xa40 net/core/neighbour.c:959
process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
kthread+0x421/0x510 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
</TASK>
Allocated by task 21984:
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:433 [inline]
____kasan_kmalloc+0xdb/0x110 mm/kasan/common.c:512
__kasan_kmalloc+0x9/0x10 mm/kasan/common.c:521
kasan_kmalloc include/linux/kasan.h:227 [inline]
__kmalloc+0x13a/0x270 mm/slub.c:4427
__kmalloc_node include/linux/slab.h:469 [inline]
kmalloc_node include/linux/slab.h:626 [inline]
kvmalloc_node+0x1f0/0x4d0 mm/util.c:628
kvmalloc include/linux/mm.h:851 [inline]
kvzalloc include/linux/mm.h:859 [inline]
alloc_netdev_mqs+0x8c/0xc90 net/core/dev.c:10855
alloc_etherdev_mqs+0x33/0x40 net/ethernet/eth.c:393
usbnet_probe+0x1ff/0x2830 drivers/net/usb/usbnet.c:1694
usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:396
really_probe+0x28d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
__device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427
__device_attach+0x312/0x510 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:487
device_add+0xb60/0xf10 drivers/base/core.c:3404
usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165
usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:293
really_probe+0x28d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
__device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427
__device_attach+0x312/0x510 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:487
device_add+0xb60/0xf10 drivers/base/core.c:3404
usb_new_device+0x1034/0x1bf0 drivers/usb/core/hub.c:2582
hub_port_connect drivers/usb/core/hub.c:5495 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5635 [inline]
port_event drivers/usb/core/hub.c:5785 [inline]
hub_event+0x2def/0x4770 drivers/usb/core/hub.c:5867
process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
kthread+0x421/0x510 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
Freed by task 10486:
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+0x126/0x160 mm/kasan/common.c:365
__kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
kasan_slab_free include/linux/kasan.h:193 [inline]
slab_free_hook mm/slub.c:1723 [inline]
slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
slab_free mm/slub.c:3519 [inline]
kfree+0xc8/0x220 mm/slub.c:4579
kvfree+0x35/0x40 mm/util.c:664
netdev_freemem+0x3f/0x60 net/core/dev.c:10809
netdev_release+0x7f/0xb0 net/core/net-sysfs.c:1903
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:3512
free_netdev+0x34f/0x440 net/core/dev.c:10995
usbnet_disconnect+0x245/0x390 drivers/net/usb/usbnet.c:1633
usb_unbind_interface+0x1fa/0x8c0 drivers/usb/core/driver.c:458
__device_release_driver drivers/base/dd.c:1229 [inline]
device_release_driver_internal+0x50b/0x7d0 drivers/base/dd.c:1262
device_release_driver+0x19/0x20 drivers/base/dd.c:1285
bus_remove_device+0x2f8/0x360 drivers/base/bus.c:529
device_del+0x663/0xe90 drivers/base/core.c:3592
usb_disable_device+0x380/0x720 drivers/usb/core/message.c:1414
usb_disconnect+0x32a/0x890 drivers/usb/core/hub.c:2240
hub_port_connect drivers/usb/core/hub.c:5334 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5635 [inline]
port_event drivers/usb/core/hub.c:5785 [inline]
hub_event+0x1d42/0x4770 drivers/usb/core/hub.c:5867
process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
kthread+0x421/0x510 kernel/kthread.c:337
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+0xd3/0xf0 mm/kasan/generic.c:348
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
insert_work+0x56/0x320 kernel/workqueue.c:1373
__queue_work+0x92a/0xcd0 kernel/workqueue.c:1539
queue_work_on+0x105/0x170 kernel/workqueue.c:1566
usbnet_link_change+0xeb/0x100
usbnet_probe+0x1dd3/0x2830 drivers/net/usb/usbnet.c:1841
usb_probe_interface+0x5b6/0xa90 drivers/usb/core/driver.c:396
really_probe+0x28d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
__device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427
__device_attach+0x312/0x510 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:487
device_add+0xb60/0xf10 drivers/base/core.c:3404
usb_set_configuration+0x190f/0x1e80 drivers/usb/core/message.c:2165
usb_generic_driver_probe+0x8b/0x150 drivers/usb/core/generic.c:238
usb_probe_device+0x144/0x260 drivers/usb/core/driver.c:293
really_probe+0x28d/0x970 drivers/base/dd.c:595
__driver_probe_device+0x1a0/0x310 drivers/base/dd.c:755
driver_probe_device+0x54/0x3d0 drivers/base/dd.c:785
__device_attach_driver+0x2c5/0x470 drivers/base/dd.c:907
bus_for_each_drv+0x183/0x200 drivers/base/bus.c:427
__device_attach+0x312/0x510 drivers/base/dd.c:979
device_initial_probe+0x1a/0x20 drivers/base/dd.c:1028
bus_probe_device+0xbe/0x1e0 drivers/base/bus.c:487
device_add+0xb60/0xf10 drivers/base/core.c:3404
usb_new_device+0x1034/0x1bf0 drivers/usb/core/hub.c:2582
hub_port_connect drivers/usb/core/hub.c:5495 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5635 [inline]
port_event drivers/usb/core/hub.c:5785 [inline]
hub_event+0x2def/0x4770 drivers/usb/core/hub.c:5867
process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
kthread+0x421/0x510 kernel/kthread.c:337
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
The buggy address belongs to the object at ffff888126c5a000
which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 3176 bytes inside of
4096-byte region [ffff888126c5a000, ffff888126c5b000)
The buggy address belongs to the page:
page:ffffea00049b1600 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888126c58000 pfn:0x126c58
head:ffffea00049b1600 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea00046d7c08 ffffea0004f32e08 ffff888100043380
raw: ffff888126c58000 0000000000040001 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 22113, ts 655197737039, free_ts 655184406771
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2604
prep_new_page+0x1b/0x110 mm/page_alloc.c:2610
get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4484
__alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5776
allocate_slab mm/slub.c:1932 [inline]
new_slab+0x9a/0x4e0 mm/slub.c:1995
___slab_alloc+0x39e/0x830 mm/slub.c:3028
__slab_alloc+0x4a/0x90 mm/slub.c:3115
slab_alloc_node mm/slub.c:3206 [inline]
slab_alloc mm/slub.c:3248 [inline]
kmem_cache_alloc_trace+0x142/0x210 mm/slub.c:3265
kmalloc include/linux/slab.h:603 [inline]
kzalloc include/linux/slab.h:733 [inline]
kernfs_iop_get_link+0x65/0x5f0 fs/kernfs/symlink.c:136
pick_link+0x6c8/0xdf0
step_into+0xb8c/0xe70 fs/namei.c:1832
open_last_lookups fs/namei.c:3561 [inline]
path_openat+0x1816/0x2f40 fs/namei.c:3745
do_filp_open+0x21c/0x460 fs/namei.c:3775
do_sys_openat2+0x13f/0x830 fs/open.c:1234
do_sys_open fs/open.c:1250 [inline]
__do_sys_openat fs/open.c:1266 [inline]
__se_sys_openat fs/open.c:1261 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1261
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1471 [inline]
free_pcp_prepare mm/page_alloc.c:1543 [inline]
free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3533
free_unref_page+0xe8/0x750 mm/page_alloc.c:3615
free_the_page mm/page_alloc.c:804 [inline]
__free_pages+0x61/0xf0 mm/page_alloc.c:5852
__free_slab+0xec/0x1d0 mm/slub.c:2020
free_slab mm/slub.c:2035 [inline]
discard_slab+0x29/0x40 mm/slub.c:2041
__slab_free+0x205/0x290 mm/slub.c:3424
do_slab_free mm/slub.c:3507 [inline]
___cache_free+0x109/0x120 mm/slub.c:3526
qlink_free+0x4d/0x90 mm/kasan/quarantine.c:157
qlist_free_all+0x44/0xb0 mm/kasan/quarantine.c:176
kasan_quarantine_reduce+0x15a/0x180 mm/kasan/quarantine.c:283
__kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:443
kasan_slab_alloc include/linux/kasan.h:217 [inline]
slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
slab_alloc_node mm/slub.c:3240 [inline]
slab_alloc mm/slub.c:3248 [inline]
kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253
getname_flags+0xba/0x520 fs/namei.c:138
user_path_at_empty+0x2d/0x1a0 fs/namei.c:2882
user_path_at include/linux/namei.h:57 [inline]
vfs_statx+0xfd/0x720 fs/stat.c:221
Memory state around the buggy address:
ffff888126c5ab00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888126c5ab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888126c5ac00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff888126c5ac80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff888126c5ad00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:fc:67:6e:05:02, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:fc:67:6e:05:02, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
net_ratelimit: 174100 callbacks suppressed
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:fc:67:6e:05:02, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:0e:fc:67:6e:05:02, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)