UBSAN: shift-out-of-bounds in arch/x86/kvm/vmx/pmu_intel.c:348:45 shift exponent 126 is too large for 64-bit type 'u64' (aka 'unsigned long long') CPU: 1 PID: 6332 Comm: syz-executor.1 Not tainted 5.11.0-rc4-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+0x137/0x1be lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:148 [inline] __ubsan_handle_shift_out_of_bounds+0x432/0x4d0 lib/ubsan.c:395 intel_pmu_refresh+0xa1d/0xaa0 arch/x86/kvm/vmx/pmu_intel.c:348 kvm_vcpu_after_set_cpuid+0x7cd/0x19b0 arch/x86/kvm/cpuid.c:178 kvm_vcpu_ioctl_set_cpuid+0x914/0xa70 arch/x86/kvm/cpuid.c:274 kvm_arch_vcpu_ioctl+0xed1/0x41e0 arch/x86/kvm/x86.c:4738 kvm_vcpu_ioctl+0x52b/0xa30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3434 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl+0xfb/0x170 fs/ioctl.c:739 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e219 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5524e87c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e219 RDX: 0000000020000380 RSI: 000000004008ae8a RDI: 0000000000000005 RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c R13: 00007ffe112ed46f R14: 00007f5524e889c0 R15: 000000000119bf8c ================================================================================