================================================================================ 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: 16744 Comm: systemd-udevd Not tainted 5.11.0-rc7-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:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:629 RIP: 0010:fixup_red_left+0x0/0x20 mm/slub.c:131 Code: 30 02 0f 86 48 c7 c7 20 c5 b5 87 89 d5 e8 28 95 9a 00 85 c0 0f 85 fa 9c 15 04 48 83 c4 08 5b 5d 41 5c 41 5d c3 0f 1f 44 00 00 <48> 89 f0 0f 1f 44 00 00 c3 f6 47 09 04 74 07 8b 77 58 48 01 f0 c3 RSP: 0018:ffffc900049b7d88 EFLAGS: 00000287 RAX: 0000000000000f00 RBX: 0000000000000001 RCX: ffffea0004f1e340 RDX: 0000000000000000 RSI: ffff88813c78d700 RDI: ffff888100079dc0 RBP: ffff88813c78d700 R08: 0000000000000100 R09: 000000000000002e R10: ffffffff811137ba R11: 000000000000003f R12: ffff888100079dc0 R13: ffffffff816bb2d2 R14: ffff88813c78d700 R15: 0000000000000246 nearest_obj include/linux/slub_def.h:173 [inline] ____kasan_slab_free+0x9c/0x110 mm/kasan/common.c:339 kasan_slab_free include/linux/kasan.h:192 [inline] slab_free_hook mm/slub.c:1547 [inline] slab_free_freelist_hook+0x5d/0x150 mm/slub.c:1580 slab_free mm/slub.c:3143 [inline] kmem_cache_free+0x82/0x330 mm/slub.c:3159 __put_cred+0x1de/0x250 kernel/cred.c:148 put_cred include/linux/cred.h:287 [inline] put_cred include/linux/cred.h:280 [inline] revert_creds+0x1a8/0x1f0 kernel/cred.c:598 do_faccessat+0x2ca/0x820 fs/open.c:464 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f4b7796b9c7 Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d c8 d4 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 15 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 d4 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffc619c7818 EFLAGS: 00000246 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 000055b6513d4bf0 RCX: 00007f4b7796b9c7 RDX: 00746e657665752f RSI: 0000000000000000 RDI: 00007ffc619c7820 RBP: 00007ffc619c78c0 R08: 0000000000000000 R09: 0000000000001010 R10: 0000000000000210 R11: 0000000000000246 R12: 000055b650380856 R13: 000055b6513da530 R14: 00007ffc619c7820 R15: 000055b6513d7ac8 ================================================================================