================================================================================ 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: 0 PID: 4454 Comm: syz-executor.1 Not tainted 5.11.0-rc5-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:1656 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726 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+0x1b0/0x944 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: 0010:__preempt_count_sub arch/x86/include/asm/preempt.h:84 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x25/0x40 kernel/locking/spinlock.c:191 Code: 80 00 00 00 00 55 48 89 fd 48 83 c7 18 53 48 89 f3 48 8b 74 24 10 e8 2a 98 7b fb 48 89 ef e8 82 4a 7c fb f6 c7 02 75 0c 53 9d <65> ff 0d 34 87 56 7a 5b 5d c3 e8 3c ec 99 fb eb ed 66 2e 0f 1f 84 RSP: 0018:ffffc900002d7c60 EFLAGS: 00000246 RAX: 00000000002faeef RBX: 0000000000000246 RCX: 1ffffffff10d4f79 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85ab67d4 RBP: ffff8881f6a26640 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff81455448 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffc900002d7de0 R14: 0000000000000001 R15: ffff888108481ac0 hrtimer_start_expires include/linux/hrtimer.h:436 [inline] hrtimer_sleeper_start_expires kernel/time/hrtimer.c:1799 [inline] do_nanosleep+0x14b/0x6b0 kernel/time/hrtimer.c:1875 hrtimer_nanosleep+0x1f9/0x430 kernel/time/hrtimer.c:1931 common_nsleep+0xa2/0xc0 kernel/time/posix-timers.c:1227 __do_sys_clock_nanosleep kernel/time/posix-timers.c:1267 [inline] __se_sys_clock_nanosleep kernel/time/posix-timers.c:1245 [inline] __x64_sys_clock_nanosleep+0x2f4/0x430 kernel/time/posix-timers.c:1245 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x48a17a Code: 83 ff 03 74 3b 48 83 ec 28 b8 fa ff ff ff 83 ff 02 49 89 ca 0f 44 f8 64 8b 04 25 18 00 00 00 85 c0 75 2d b8 e6 00 00 00 0f 05 <89> c2 f7 da 3d 00 f0 ff ff b8 00 00 00 00 0f 47 c2 48 83 c4 28 c3 RSP: 002b:00007ffe655d2c70 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6 RAX: ffffffffffffffda RBX: 00000000000000bd RCX: 000000000048a17a RDX: 00007ffe655d2cb0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffe655d2d4c R08: 0000000000000000 R09: 00007ffe655de090 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 000000000003ca38 R14: 000000000000000a R15: 00007ffe655d2db0 ================================================================================