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UBSAN: shift-out-of-bounds in drivers/media/rc/mceusb.c:1173:29
shift exponent 245 is too large for 32-bit type 'int'
CPU: 1 PID: 4380 Comm: syz-fuzzer Not tainted 5.11.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __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
 mceusb_handle_command drivers/media/rc/mceusb.c:1173 [inline]
 mceusb_process_ir_data drivers/media/rc/mceusb.c:1278 [inline]
 mceusb_dev_recv.cold+0x178/0x1d8 drivers/media/rc/mceusb.c:1376
 __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
 </IRQ>
 __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:1100
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:629
RIP: 0033:0x420d5e
Code: 89 4c 24 58 48 85 c9 74 0e 0f 1f 00 83 fe 03 0f 83 f9 00 00 00 ff c6 0f b6 3b 49 89 cb 89 f1 41 89 fc d3 ef 49 83 fb 08 74 0a <0f> ba e7 04 0f 83 c2 00 00 00 41 0f a3 cc 73 b5 4b 8d 3c 0b 48 8b
RSP: 002b:000000c0003ffea8 EFLAGS: 00000293
RAX: 0000000000203000 RBX: 00007f047cb82662 RCX: 0000000000000000
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 00000000000000da
RBP: 000000c0003fff28 R08: 00007f047cd28fff R09: 000000c000b2cc40
R10: 000000c00001d698 R11: 0000000000000000 R12: 00000000000000da
R13: 000000c000001e00 R14: 000000c000407ec0 R15: 0000000000000000
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