[  478.944968] BUG: KASAN: use-after-free in device_remove_properties+0x6c/0xb4
[  478.952837] Read of size 8 at addr ffff6a64a9e4fa68 by task bash/10258

[  478.962403] CPU: 23 PID: 10258 Comm: bash Kdump: loaded Not tainted 5.10.0kobj-3+ #11
[  478.962407] Hardware name: Huawei TaiShan 2280 V2/BC82AMDD, BIOS 2280-V2 CS V5.B221.01 12/09/2021
[  478.962411] Call trace:
[  478.962418]  dump_backtrace+0x0/0x2fc
[  478.962422]  show_stack+0x20/0x30
[  478.962427]  dump_stack+0x104/0x17c
[  478.962434]  print_address_description.constprop.0+0x2c/0x1fc
[  478.962437]  __kasan_report+0xe0/0x140
[  478.962441]  kasan_report+0x44/0xdc
[  478.962445]  __asan_load8+0x94/0xd0
[  478.962450]  device_remove_properties+0x6c/0xb4
[  478.962457]  device_del+0x2d8/0x660
[  478.962465]  pci_remove_bus_device+0xc4/0x1a0
[  478.962470]  pci_stop_and_remove_bus_device+0x94/0xb0
[  478.962477]  pci_iov_remove_virtfn+0x160/0x210
[  478.962481]  sriov_disable+0x70/0x1ac
[  478.962486]  pci_disable_sriov+0x34/0x44
[  478.962527]  hisi_qm_sriov_disable+0x68/0x170 [hisi_qm]
[  478.962543]  hisi_qm_sriov_configure+0x1c/0x40 [hisi_qm]
[  478.962548]  sriov_numvfs_store+0x1ac/0x260
[  478.962551]  dev_attr_store+0x50/0x70
[  478.962559]  sysfs_kf_write+0x98/0xb0
[  478.962564]  kernfs_fop_write_iter+0x1b0/0x280
[  478.962568]  new_sync_write+0x1c8/0x2c4
[  478.962573]  vfs_write+0x2e8/0x390
[  478.962577]  ksys_write+0xcc/0x170
[  478.962581]  __arm64_sys_write+0x4c/0x60
[  478.962586]  invoke_syscall+0x68/0x1a0
[  478.962590]  el0_svc_common.constprop.0+0x1b0/0x1c0
[  478.962594]  do_el0_svc+0x8c/0xb0
[  478.962599]  el0_svc+0x20/0x30
[  478.962603]  el0_sync_handler+0xb0/0xb4
[  478.962608]  el0_sync+0x160/0x180

[  478.964837] Allocated by task 10258:
[  478.969183]  kasan_save_stack+0x28/0x60
[  478.969188]  __kasan_kmalloc.constprop.0+0xa4/0xd0
[  478.969193]  kasan_kmalloc+0x10/0x20
[  478.969197]  kmem_cache_alloc_trace+0xe0/0x570
[  478.969204]  swnode_register+0x54/0x310
[  478.969208]  fwnode_create_software_node+0xf8/0x130
[  478.969215]  device_add_properties+0x28/0x50
[  478.969221]  quirk_huawei_pcie_sva+0x12c/0x14c
[  478.969225]  pci_do_fixups+0x120/0x1b0
[  478.969229]  pci_fixup_device+0x4c/0x140
[  478.969233]  pci_bus_add_device+0x2c/0xd4
[  478.969237]  pci_iov_add_virtfn+0x470/0x49c
[  478.969241]  sriov_enable+0x368/0x690
[  478.969246]  pci_enable_sriov+0x3c/0x54
[  478.969261]  hisi_qm_sriov_enable+0x114/0x1b0 [hisi_qm]
[  478.969277]  hisi_qm_sriov_configure+0x2c/0x40 [hisi_qm]
[  478.969282]  sriov_numvfs_store+0x138/0x260
[  478.969285]  dev_attr_store+0x50/0x70
[  478.969289]  sysfs_kf_write+0x98/0xb0
[  478.969294]  kernfs_fop_write_iter+0x1b0/0x280
[  478.969297]  new_sync_write+0x1c8/0x2c4
[  478.969301]  vfs_write+0x2e8/0x390
[  478.969305]  ksys_write+0xcc/0x170
[  478.969309]  __arm64_sys_write+0x4c/0x60
[  478.969312]  invoke_syscall+0x68/0x1a0
[  478.969316]  el0_svc_common.constprop.0+0x1b0/0x1c0
[  478.969319]  do_el0_svc+0x8c/0xb0
[  478.969323]  el0_svc+0x20/0x30
[  478.969327]  el0_sync_handler+0xb0/0xb4
[  478.969331]  el0_sync+0x160/0x180

[  478.971557] Freed by task 10258:
[  478.975547]  kasan_save_stack+0x28/0x60
[  478.975552]  kasan_set_track+0x28/0x40
[  478.975556]  kasan_set_free_info+0x28/0x50
[  478.975561]  __kasan_slab_free+0xfc/0x18c
[  478.975565]  kasan_slab_free+0x14/0x20
[  478.975570]  kfree+0xe4/0x6b0
[  478.975574]  software_node_release+0xf4/0x16c
[  478.975578]  kobject_cleanup+0x158/0x1a8
[  478.975582]  kobject_put.part.0+0x9c/0xf4
[  478.975587]  kobject_put+0x18/0x24
[  478.975591]  software_node_notify+0xe8/0x1a0
[  478.975595]  device_platform_notify+0x54/0xc0
[  478.975599]  device_del+0x2c8/0x660
[  478.975603]  pci_remove_bus_device+0xc4/0x1a0
[  478.975607]  pci_stop_and_remove_bus_device+0x94/0xb0
[  478.975612]  pci_iov_remove_virtfn+0x160/0x210
[  478.975616]  sriov_disable+0x70/0x1ac
[  478.975620]  pci_disable_sriov+0x34/0x44
[  478.975636]  hisi_qm_sriov_disable+0x68/0x170 [hisi_qm]
[  478.975652]  hisi_qm_sriov_configure+0x1c/0x40 [hisi_qm]
[  478.975656]  sriov_numvfs_store+0x1ac/0x260
[  478.975659]  dev_attr_store+0x50/0x70
[  478.975664]  sysfs_kf_write+0x98/0xb0
[  478.975668]  kernfs_fop_write_iter+0x1b0/0x280
[  478.975671]  new_sync_write+0x1c8/0x2c4
[  478.975675]  vfs_write+0x2e8/0x390
[  478.975679]  ksys_write+0xcc/0x170
[  478.975682]  __arm64_sys_write+0x4c/0x60
[  478.975686]  invoke_syscall+0x68/0x1a0
[  478.975690]  el0_svc_common.constprop.0+0x1b0/0x1c0
[  478.975693]  do_el0_svc+0x8c/0xb0
[  478.975697]  el0_svc+0x20/0x30
[  478.975701]  el0_sync_handler+0xb0/0xb4
[  478.975705]  el0_sync+0x160/0x180