===================================================== BUG: KMSAN: kernel-usb-infoleak in usb_submit_urb+0x5a1/0x2630 drivers/usb/core/urb.c:430 usb_submit_urb+0x5a1/0x2630 drivers/usb/core/urb.c:430 usb_start_wait_urb+0xc2/0x320 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x27c/0x5b0 drivers/usb/core/message.c:154 usbhid_raw_request+0x4ab/0x690 drivers/hid/usbhid/hid-core.c:-1 __hid_request+0x2c0/0x500 drivers/hid/hid-core.c:1989 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1950 [inline] hidinput_connect+0x3bf5/0x5cc0 drivers/hid/hid-input.c:2327 hid_connect+0x6b4/0x3440 drivers/hid/hid-core.c:2239 hid_hw_start+0xfc/0x1e0 drivers/hid/hid-core.c:2354 ms_probe+0x2e5/0x890 drivers/hid/hid-microsoft.c:391 __hid_device_probe drivers/hid/hid-core.c:2724 [inline] hid_device_probe+0x539/0xab0 drivers/hid/hid-core.c:2761 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x4d4/0xd90 drivers/base/dd.c:657 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 bus_for_each_drv+0x3e3/0x680 drivers/base/bus.c:462 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 hid_add_device+0x5ed/0x7b0 drivers/hid/hid-core.c:2907 usbhid_probe+0x1fec/0x2660 drivers/hid/usbhid/hid-core.c:1435 usb_probe_interface+0xd04/0x1310 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x4d4/0xd90 drivers/base/dd.c:657 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 bus_for_each_drv+0x3e3/0x680 drivers/base/bus.c:462 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 usb_set_configuration+0x3493/0x3b70 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xfc/0x290 drivers/usb/core/generic.c:250 usb_probe_device+0x38a/0x690 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x4d4/0xd90 drivers/base/dd.c:657 __driver_probe_device+0x268/0x380 drivers/base/dd.c:799 driver_probe_device+0x70/0x8b0 drivers/base/dd.c:829 __device_attach_driver+0x4ee/0x950 drivers/base/dd.c:957 bus_for_each_drv+0x3e3/0x680 drivers/base/bus.c:462 __device_attach+0x3c8/0x5c0 drivers/base/dd.c:1029 device_initial_probe+0x33/0x40 drivers/base/dd.c:1078 bus_probe_device+0x3ba/0x5e0 drivers/base/bus.c:537 device_add+0x12a9/0x1c10 drivers/base/core.c:3692 usb_new_device+0x104b/0x20c0 drivers/usb/core/hub.c:2694 hub_port_connect drivers/usb/core/hub.c:5566 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5866 [inline] hub_event+0x5588/0x7580 drivers/usb/core/hub.c:5948 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xb91/0x1d80 kernel/workqueue.c:3321 worker_thread+0xedf/0x1590 kernel/workqueue.c:3402 kthread+0xd59/0xf00 kernel/kthread.c:464 ret_from_fork+0x1e0/0x310 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Uninit was created at: slab_post_alloc_hook mm/slub.c:4154 [inline] slab_alloc_node mm/slub.c:4197 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_node_track_caller_noprof+0x96d/0x12f0 mm/slub.c:4347 __kmemdup_nul mm/util.c:63 [inline] kstrdup+0x8a/0x2a0 mm/util.c:83 kstrdup_const+0x5e/0x90 mm/util.c:103 __kernfs_new_node+0x6e/0xa70 fs/kernfs/dir.c:633 kernfs_new_node+0x1f0/0x370 fs/kernfs/dir.c:713 kernfs_create_dir_ns+0x9a/0x2b0 fs/kernfs/dir.c:1083 sysfs_create_dir_ns+0x19c/0x540 fs/sysfs/dir.c:59 create_dir lib/kobject.c:73 [inline] kobject_add_internal+0xeed/0x1840 lib/kobject.c:240 kobject_add_varg lib/kobject.c:374 [inline] kobject_add+0x2c1/0x410 lib/kobject.c:426 device_add+0xa70/0x1c10 drivers/base/core.c:3630 device_create_groups_vargs drivers/base/core.c:4374 [inline] device_create+0x431/0x5d0 drivers/base/core.c:4413 macvtap_device_event+0x525/0x830 drivers/net/macvtap.c:176 notifier_call_chain kernel/notifier.c:85 [inline] raw_notifier_call_chain+0xe0/0x410 kernel/notifier.c:453 call_netdevice_notifiers_info+0x1ac/0x2b0 net/core/dev.c:2230 call_netdevice_notifiers_extack net/core/dev.c:2268 [inline] call_netdevice_notifiers net/core/dev.c:2282 [inline] register_netdevice+0x22d4/0x25d0 net/core/dev.c:11143 macvlan_common_newlink+0x1eb0/0x2460 drivers/net/macvlan.c:1540 macvtap_newlink+0x173/0x250 drivers/net/macvtap.c:108 rtnl_newlink_create+0x419/0x1250 net/core/rtnetlink.c:3823 __rtnl_newlink net/core/rtnetlink.c:3940 [inline] rtnl_newlink+0x2f13/0x3a90 net/core/rtnetlink.c:4055 rtnetlink_rcv_msg+0x106f/0x14b0 net/core/rtnetlink.c:6944 netlink_rcv_skb+0x54d/0x680 net/netlink/af_netlink.c:2552 rtnetlink_rcv+0x35/0x40 net/core/rtnetlink.c:6971 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0xedf/0x1290 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x10b3/0x1250 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x330/0x3d0 net/socket.c:727 __sys_sendto+0x593/0x720 net/socket.c:2180 __do_sys_sendto net/socket.c:2187 [inline] __se_sys_sendto net/socket.c:2183 [inline] __x64_sys_sendto+0x130/0x200 net/socket.c:2183 x64_sys_call+0x3c0b/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:45 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Bytes 61-62 of 65535 are uninitialized Memory access of size 65535 starts at ffff888047236039 CPU: 1 UID: 0 PID: 40 Comm: kworker/1:1 Not tainted 6.16.0-rc5-syzkaller-00193-g40f92e79b0aa #0 PREEMPT(none) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event =====================================================