================================================================================ UBSAN: shift-out-of-bounds in drivers/hid/hid-core.c:1315:20 shift exponent 4294967295 is too large for 32-bit type 'int' CPU: 1 PID: 11218 Comm: syz-executor.1 Not tainted 5.11.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:120 ubsan_epilogue+0xb/0x5a lib/ubsan.c:148 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x181 lib/ubsan.c:395 snto32.cold+0x37/0x3c drivers/hid/hid-core.c:1315 hid_input_field drivers/hid/hid-core.c:1548 [inline] hid_report_raw_event+0x7a9/0x11b0 drivers/hid/hid-core.c:1783 hid_input_report+0x360/0x4c0 drivers/hid/hid-core.c:1850 hid_irq_in+0x50e/0x690 drivers/hid/usbhid/hid-core.c:284 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1657 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1728 dummy_timer+0x11f4/0x32a0 drivers/usb/gadget/udc/dummy_hcd.c:1971 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x67c/0xa10 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0x80/0x120 kernel/time/timer.c:1744 __do_softirq+0x1b7/0x977 kernel/softirq.c:343 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:226 [inline] __irq_exit_rcu kernel/softirq.c:420 [inline] irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:432 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 RIP: 0033:0x412bd7 Code: 00 00 00 49 8b 14 24 49 89 3c 24 48 89 56 f8 4d 8b 44 24 08 49 8b 0c 24 48 89 df 48 89 f0 0f 1f 44 00 00 48 8d 6f f8 4c 39 c1 <49> 89 ee 77 2c 48 83 e8 08 48 39 ca 76 0f 0f 1f 00 48 83 e8 08 48 RSP: 002b:00007ffe6fd0fb90 EFLAGS: 00000216 RAX: 00007f1a97fdc990 RBX: 00007f1a97fd87a0 RCX: ffffffff820787bc RDX: ffffffff82078665 RSI: 00007f1a97fdd840 RDI: 00007f1a97fd9420 RBP: 00007f1a97fd9418 R08: ffffffff8207863e R09: 00000000f89adfe7 R10: 00007ffe6fd0fe90 R11: 0000000000000000 R12: 00007f1a97fd8790 R13: 0000000000000015 R14: 00007f1a97fd9410 R15: ffffffff813f8f8e ================================================================================