================================================================================ 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: 10064 Comm: systemd-udevd Not tainted 5.10.0-rc7-next-20201208-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+0x1a5/0x710 kernel/time/timer.c:1417 expire_timers kernel/time/timer.c:1462 [inline] __run_timers.part.0+0x692/0xa80 kernel/time/timer.c:1731 __run_timers kernel/time/timer.c:1712 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1744 __do_softirq+0x2b7/0xa76 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+0xaa/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:226 [inline] __irq_exit_rcu kernel/softirq.c:424 [inline] irq_exit_rcu+0x194/0x210 kernel/softirq.c:436 sysvec_apic_timer_interrupt+0x4d/0x100 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 RIP: 0010:jhash2 include/linux/jhash.h:127 [inline] RIP: 0010:hash_stack lib/stackdepot.c:156 [inline] RIP: 0010:stack_depot_save+0x66/0x4f0 lib/stackdepot.c:248 Code: 44 2d 00 8d 3c 85 7b 71 f5 75 83 f8 03 89 c1 0f 86 4c 02 00 00 89 fb 89 f8 48 89 ea 03 5a 08 83 e9 03 48 83 c2 0c 44 8b 42 f4 <03> 42 f8 41 29 d8 41 01 f8 89 df 01 c3 c1 c7 04 44 31 c7 29 f8 41 RSP: 0018:ffffc9001641f7a0 EFLAGS: 00000282 RAX: 0000000075f571d3 RBX: 00000000f7ab0963 RCX: 0000000000000013 RDX: ffffc9001641f81c RSI: 0000000000000dc0 RDI: 0000000075f571d3 RBP: ffffc9001641f810 R08: 0000000081b596cb R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 000000000000000b R13: 000000000000000b R14: ffff88801d2c61cf R15: ffff88801d2c61cf kasan_save_stack+0x32/0x40 mm/kasan/common.c:41 kasan_set_track mm/kasan/common.c:47 [inline] set_alloc_info mm/kasan/common.c:405 [inline] ____kasan_kmalloc mm/kasan/common.c:436 [inline] ____kasan_kmalloc.constprop.0+0xa0/0xd0 mm/kasan/common.c:408 kasan_slab_alloc include/linux/kasan.h:205 [inline] slab_post_alloc_hook mm/slab.h:518 [inline] slab_alloc_node mm/slub.c:2903 [inline] slab_alloc mm/slub.c:2911 [inline] kmem_cache_alloc+0x155/0x380 mm/slub.c:2916 kmem_cache_zalloc include/linux/slab.h:685 [inline] __alloc_file+0x21/0x280 fs/file_table.c:101 alloc_empty_file+0x6d/0x170 fs/file_table.c:150 path_openat+0x125/0x27a0 fs/namei.c:3355 do_filp_open+0x17e/0x3c0 fs/namei.c:3396 do_sys_openat2+0x16d/0x420 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_open fs/open.c:1196 [inline] __se_sys_open fs/open.c:1192 [inline] __x64_sys_open+0x119/0x1c0 fs/open.c:1192 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fe76d8e7840 Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 RSP: 002b:00007ffc24bac988 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000703 RCX: 00007fe76d8e7840 RDX: 0000000000000003 RSI: 0000000000080000 RDI: 00007ffc24bac990 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000012 R10: 0000000000000122 R11: 0000000000000246 R12: 00007ffc24bad9d0 R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000000f ================================================================================