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UBSAN: shift-out-of-bounds in drivers/media/rc/mceusb.c:704:13
shift exponent 258 is too large for 32-bit type 'unsigned int'
CPU: 1 PID: 4347 Comm: syz-fuzzer Not tainted 5.11.0-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+0xfa/0x151 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_dev_printdata.cold+0x19/0x1e drivers/media/rc/mceusb.c:704
 mceusb_process_ir_data drivers/media/rc/mceusb.c:1275 [inline]
 mceusb_dev_recv+0x3cf/0x18c0 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:635
RIP: 0010:_raw_spin_unlock_irqrestore+0x30/0x40 kernel/locking/spinlock.c:192
Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 aa e8 79 fb 48 89 ef e8 22 9b 7a fb 80 e7 02 74 06 e8 a8 3d 98 fb fb 65 ff 0d 10 13 55 7a <5b> 5d c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 fd 65 ff
RSP: 0018:ffffc900001d7d98 EFLAGS: 00000282
RAX: 00000000002daf7d RBX: 0000000000000293 RCX: 1ffffffff1195d09
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff85acdbe8
RBP: ffff888103808940 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff814519c8 R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff9200003afb7 R14: ffffc900001d7e80 R15: 00000000000010fa
 spin_unlock_irqrestore include/linux/spinlock.h:409 [inline]
 unlock_task_sighand include/linux/sched/signal.h:708 [inline]
 do_send_sig_info kernel/signal.c:1292 [inline]
 do_send_specific+0x25a/0x330 kernel/signal.c:3819
 do_tkill+0x186/0x1f0 kernel/signal.c:3845
 __do_sys_tgkill kernel/signal.c:3864 [inline]
 __se_sys_tgkill kernel/signal.c:3858 [inline]
 __x64_sys_tgkill+0x9d/0xd0 kernel/signal.c:3858
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x46db96
Code: c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 48 8b 7c 24 08 48 8b 74 24 10 48 8b 54 24 18 b8 ea 00 00 00 0f 05 <c3> cc cc cc cc cc cc cc cc cc 8b 7c 24 08 48 8b 74 24 10 48 8b 54
RSP: 002b:000000c00003dea0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ea
RAX: ffffffffffffffda RBX: 000000c000082600 RCX: 000000000046db96
RDX: 0000000000000017 RSI: 00000000000010fe RDI: 00000000000010fa
RBP: 000000c00003dec0 R08: 0000000000043390 R09: 00007fff7a997090
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000043b6a0
R13: 0000000000000000 R14: 000000000092fd40 R15: 0000000000000000
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