vhci_hcd: invalid port number 158
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BUG: KASAN: slab-out-of-bounds in vhci_hub_control+0x1b88/0x1bf0 drivers/usb/usbip/vhci_hcd.c:441
Read of size 4 at addr ffff8801ce6288fc by task syz-executor4/10109
CPU: 1 PID: 10109 Comm: syz-executor4 Not tainted 4.19.0-rc1+ #217
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113
print_address_description+0x6c/0x20b mm/kasan/report.c:256
kasan_report_error mm/kasan/report.c:354 [inline]
kasan_report.cold.7+0x242/0x30d mm/kasan/report.c:412
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432
vhci_hub_control+0x1b88/0x1bf0 drivers/usb/usbip/vhci_hcd.c:441
rh_call_control drivers/usb/core/hcd.c:679 [inline]
rh_urb_enqueue drivers/usb/core/hcd.c:838 [inline]
usb_hcd_submit_urb+0x184a/0x2160 drivers/usb/core/hcd.c:1651
usb_submit_urb+0x895/0x14d0 drivers/usb/core/urb.c:570
usb_start_wait_urb+0x140/0x360 drivers/usb/core/message.c:57
usb_internal_control_msg drivers/usb/core/message.c:101 [inline]
usb_control_msg+0x332/0x4e0 drivers/usb/core/message.c:152
proc_control+0x99b/0xef0 drivers/usb/core/devio.c:1106
usbdev_do_ioctl+0x1eb4/0x3b30 drivers/usb/core/devio.c:2394
usbdev_ioctl+0x25/0x30 drivers/usb/core/devio.c:2551
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:501 [inline]
do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
__do_sys_ioctl fs/ioctl.c:709 [inline]
__se_sys_ioctl fs/ioctl.c:707 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457099
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f803d01cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f803d01d6d4 RCX: 0000000000457099
RDX: 0000000020000140 RSI: 00000000c0185500 RDI: 0000000000000004
RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004ce8f0 R14: 00000000004c4e0b R15: 0000000000000000
Allocated by task 4688:
save_stack+0x43/0xd0 mm/kasan/kasan.c:448
set_track mm/kasan/kasan.c:460 [inline]
kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553
__do_kmalloc mm/slab.c:3718 [inline]
__kmalloc_track_caller+0x14a/0x720 mm/slab.c:3733
kmemdup+0x24/0x50 mm/util.c:118
kmemdup include/linux/string.h:418 [inline]
neigh_parms_alloc+0xea/0x6b0 net/core/neighbour.c:1492
inetdev_init+0x1ad/0x590 net/ipv4/devinet.c:254
inetdev_event+0xf45/0x1370 net/ipv4/devinet.c:1468
notifier_call_chain+0x180/0x390 kernel/notifier.c:93
__raw_notifier_call_chain kernel/notifier.c:394 [inline]
raw_notifier_call_chain+0x2d/0x40 kernel/notifier.c:401
call_netdevice_notifiers_info+0x3f/0x90 net/core/dev.c:1734
call_netdevice_notifiers net/core/dev.c:1752 [inline]
register_netdevice+0xb9d/0x1100 net/core/dev.c:8509
register_netdev+0x30/0x50 net/core/dev.c:8595
ip6_tnl_init_net+0x6b3/0xa70 net/ipv6/ip6_tunnel.c:2237
ops_init+0x101/0x560 net/core/net_namespace.c:129
setup_net+0x3d9/0x980 net/core/net_namespace.c:314
copy_net_ns+0x2b8/0x4d0 net/core/net_namespace.c:437
create_new_namespaces+0x6ad/0x900 kernel/nsproxy.c:107
unshare_nsproxy_namespaces+0xc3/0x1f0 kernel/nsproxy.c:206
ksys_unshare+0x723/0xfb0 kernel/fork.c:2490
__do_sys_unshare kernel/fork.c:2558 [inline]
__se_sys_unshare kernel/fork.c:2556 [inline]
__x64_sys_unshare+0x31/0x40 kernel/fork.c:2556
do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
entry_SYSCALL_64_after_hwframe+0x49/0xbe
Freed by task 1:
save_stack+0x43/0xd0 mm/kasan/kasan.c:448
set_track mm/kasan/kasan.c:460 [inline]
__kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521
kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528
__cache_free mm/slab.c:3498 [inline]
kfree+0xd9/0x210 mm/slab.c:3813
urb_destroy drivers/usb/core/urb.c:26 [inline]
kref_put include/linux/kref.h:70 [inline]
usb_free_urb.part.8+0x88/0xd0 drivers/usb/core/urb.c:96
usb_free_urb+0x1f/0x30 drivers/usb/core/urb.c:95
usb_start_wait_urb+0x250/0x360 drivers/usb/core/message.c:79
usb_internal_control_msg drivers/usb/core/message.c:101 [inline]
usb_control_msg+0x332/0x4e0 drivers/usb/core/message.c:152
set_port_feature+0x6e/0x90 drivers/usb/core/hub.c:425
hub_power_on+0xc9/0x230 drivers/usb/core/hub.c:885
hub_activate+0x119f/0x1990 drivers/usb/core/hub.c:1040
hub_configure drivers/usb/core/hub.c:1624 [inline]
hub_probe+0x20dc/0x3090 drivers/usb/core/hub.c:1815
usb_probe_interface+0x3dd/0xb10 drivers/usb/core/driver.c:361
really_probe+0x5be/0x850 drivers/base/dd.c:500
driver_probe_device+0x108/0x210 drivers/base/dd.c:662
__device_attach_driver+0x25a/0x2d0 drivers/base/dd.c:758
bus_for_each_drv+0x16b/0x1f0 drivers/base/bus.c:461
__device_attach+0x2a1/0x430 drivers/base/dd.c:815
device_initial_probe+0x1a/0x20 drivers/base/dd.c:862
bus_probe_device+0x1fb/0x2a0 drivers/base/bus.c:521
device_add+0x93e/0x17b0 drivers/base/core.c:1927
usb_set_configuration+0xede/0x19f0 drivers/usb/core/message.c:2004
generic_probe+0xb6/0x110 drivers/usb/core/generic.c:174
usb_probe_device+0xaf/0x110 drivers/usb/core/driver.c:266
really_probe+0x5be/0x850 drivers/base/dd.c:500
driver_probe_device+0x108/0x210 drivers/base/dd.c:662
__device_attach_driver+0x25a/0x2d0 drivers/base/dd.c:758
bus_for_each_drv+0x16b/0x1f0 drivers/base/bus.c:461
__device_attach+0x2a1/0x430 drivers/base/dd.c:815
device_initial_probe+0x1a/0x20 drivers/base/dd.c:862
bus_probe_device+0x1fb/0x2a0 drivers/base/bus.c:521
device_add+0x93e/0x17b0 drivers/base/core.c:1927
usb_new_device+0x8ac/0x12b0 drivers/usb/core/hub.c:2485
register_root_hub drivers/usb/core/hcd.c:1105 [inline]
usb_add_hcd+0xb1f/0x1910 drivers/usb/core/hcd.c:2882
vhci_hcd_probe+0xfb/0x240 drivers/usb/usbip/vhci_hcd.c:1316
platform_drv_probe+0x96/0x160 drivers/base/platform.c:579
really_probe+0x5be/0x850 drivers/base/dd.c:500
driver_probe_device+0x108/0x210 drivers/base/dd.c:662
__device_attach_driver+0x25a/0x2d0 drivers/base/dd.c:758
bus_for_each_drv+0x16b/0x1f0 drivers/base/bus.c:461
__device_attach+0x2a1/0x430 drivers/base/dd.c:815
device_initial_probe+0x1a/0x20 drivers/base/dd.c:862
bus_probe_device+0x1fb/0x2a0 drivers/base/bus.c:521
device_add+0x93e/0x17b0 drivers/base/core.c:1927
platform_device_add+0x36e/0x6f0 drivers/base/platform.c:417
vhci_hcd_init+0x386/0x4e0 drivers/usb/usbip/vhci_hcd.c:1500
do_one_initcall+0x127/0x838 init/main.c:885
do_initcall_level init/main.c:953 [inline]
do_initcalls init/main.c:961 [inline]
do_basic_setup init/main.c:979 [inline]
kernel_init_freeable+0x4bb/0x5ae init/main.c:1144
kernel_init+0x11/0x1b3 init/main.c:1063
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413
The buggy address belongs to the object at ffff8801ce628800
which belongs to the cache kmalloc-192 of size 192
The buggy address is located 60 bytes to the right of
192-byte region [ffff8801ce628800, ffff8801ce6288c0)
The buggy address belongs to the page:
page:ffffea0007398a00 count:1 mapcount:0 mapping:ffff8801dac00040 index:0x0
flags: 0x2fffc0000000100(slab)
raw: 02fffc0000000100 ffffea0007394008 ffffea0007398e48 ffff8801dac00040
raw: 0000000000000000 ffff8801ce628000 0000000100000010 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff8801ce628780: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff8801ce628800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff8801ce628880: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
^
ffff8801ce628900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff8801ce628980: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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