================================================================== BUG: KASAN: slab-out-of-bounds in __extract drivers/hid/hid-core.c:1345 [inline] BUG: KASAN: slab-out-of-bounds in hid_field_extract+0x150/0x170 drivers/hid/hid-core.c:1365 Read of size 1 at addr ffff8881cfd97000 by task swapper/1/0 CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-rc2-syzkaller #0 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+0xef/0x16e lib/dump_stack.c:118 print_address_description.constprop.0+0x16/0x200 mm/kasan/report.c:374 __kasan_report.cold+0x37/0x7f mm/kasan/report.c:506 kasan_report+0xe/0x20 mm/kasan/common.c:639 __extract drivers/hid/hid-core.c:1345 [inline] hid_field_extract+0x150/0x170 drivers/hid/hid-core.c:1365 hid_input_field drivers/hid/hid-core.c:1537 [inline] hid_report_raw_event+0x448/0xed0 drivers/hid/hid-core.c:1757 hid_input_report+0x315/0x3f0 drivers/hid/hid-core.c:1824 hid_irq_in+0x50e/0x690 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x1f2/0x470 drivers/usb/core/hcd.c:1648 usb_hcd_giveback_urb+0x368/0x420 drivers/usb/core/hcd.c:1713 dummy_timer+0x123d/0x2fdb drivers/usb/gadget/udc/dummy_hcd.c:1966 ?