================================================================================ 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: 2628 Comm: systemd-journal Not tainted 5.10.0-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+0x38c/0x430 drivers/usb/core/hcd.c:1728 dummy_timer+0x11f4/0x32a0 drivers/usb/gadget/udc/dummy_hcd.c:1971 call_timer_fn+0x1a5/0x690 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x692/0xa50 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+0x1b7/0x9c5 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+0x119/0x1b0 kernel/softirq.c:420 irq_exit_rcu+0x5/0x10 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 arch/x86/include/asm/preempt.h:26 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:197 Code: 00 00 00 4d 8b 0b 48 0f bd c8 49 8b 14 24 48 63 c9 e9 66 ff ff ff 4c 01 ca 49 89 13 e9 12 fd ff ff 66 0f 1f 84 00 00 00 00 00 <65> 8b 05 99 a8 c1 7e 89 c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b RSP: 0018:ffffc90000217ce8 EFLAGS: 00000202 RAX: 0000000001754ebf RBX: 0000000000009c3f RCX: ffffffff8126dfc7 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff812995dc RBP: 000000000000ab1a R08: 0000000000000001 R09: ffffffff8a033657 R10: fffffbfff14066ca R11: 0000000000000000 R12: 0000000000000041 R13: 0000000000000000 R14: ffffffff812994c0 R15: 0000000000000001 devkmsg_poll+0x122/0x1d0 kernel/printk/printk.c:879 vfs_poll include/linux/poll.h:90 [inline] ep_item_poll+0xf4/0x190 fs/eventpoll.c:838 ep_send_events fs/eventpoll.c:1667 [inline] ep_poll fs/eventpoll.c:1857 [inline] do_epoll_wait+0xcd3/0x1c20 fs/eventpoll.c:2213 __do_sys_epoll_wait fs/eventpoll.c:2223 [inline] __se_sys_epoll_wait fs/eventpoll.c:2220 [inline] __x64_sys_epoll_wait+0x93/0xf0 fs/eventpoll.c:2220 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fa20523e2e3 Code: 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 29 54 2b 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 0b c2 00 00 48 89 04 24 RSP: 002b:00007fff6fc6fb28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 000055e7d89081e0 RCX: 00007fa20523e2e3 RDX: 0000000000000013 RSI: 00007fff6fc6fb30 RDI: 0000000000000008 RBP: 00007fff6fc6fd20 R08: 000055e7d890a860 R09: 00007fff6fca1080 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff6fc6fb30 R13: 0000000000000001 R14: ffffffffffffffff R15: 0005b6c45668a6f8 ================================================================================