================================================================================ UBSAN: Undefined behaviour in arch/x86/kvm/pmu_intel.c:299:45 shift exponent 194 is too large for 64-bit type 'long long unsigned int' CPU: 1 PID: 13946 Comm: syz-executor.5 Not tainted 4.19.145-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 intel_pmu_refresh.cold+0x9b/0xa0 arch/x86/kvm/pmu_intel.c:299 kvm_update_cpuid+0x6d9/0xaf0 arch/x86/kvm/cpuid.c:147 kvm_vcpu_ioctl_set_cpuid2+0x151/0x1c0 arch/x86/kvm/cpuid.c:255 kvm_arch_vcpu_ioctl+0xfc0/0x2e10 arch/x86/kvm/x86.c:3930 kvm_vcpu_ioctl+0x8af/0xe30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2974 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45d5f9 Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc9a3384c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000011b00 RCX: 000000000045d5f9 RDX: 0000000020000540 RSI: 000000004008ae90 RDI: 0000000000000006 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffd2eb7484f R14: 00007fc9a33859c0 R15: 000000000118cf4c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in arch/x86/kvm/pmu_intel.c:301:13 shift exponent 248 is too large for 64-bit type 'long long unsigned int' CPU: 0 PID: 13946 Comm: syz-executor.5 Not tainted 4.19.145-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 intel_pmu_refresh.cold+0x75/0xa0 arch/x86/kvm/pmu_intel.c:301 kvm_update_cpuid+0x6d9/0xaf0 arch/x86/kvm/cpuid.c:147 kvm_vcpu_ioctl_set_cpuid2+0x151/0x1c0 arch/x86/kvm/cpuid.c:255 kvm_arch_vcpu_ioctl+0xfc0/0x2e10 arch/x86/kvm/x86.c:3930 kvm_vcpu_ioctl+0x8af/0xe30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2974 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45d5f9 Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc9a3384c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000011b00 RCX: 000000000045d5f9 RDX: 0000000020000540 RSI: 000000004008ae90 RDI: 0000000000000006 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffd2eb7484f R14: 00007fc9a33859c0 R15: 000000000118cf4c ================================================================================ ================================================================================ UBSAN: Undefined behaviour in arch/x86/kvm/pmu_intel.c:310:12 shift exponent 164 is too large for 64-bit type 'long long unsigned int' CPU: 1 PID: 13987 Comm: syz-executor.5 Not tainted 4.19.145-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422 intel_pmu_refresh.cold+0x56/0xa0 arch/x86/kvm/pmu_intel.c:310 kvm_update_cpuid+0x6d9/0xaf0 arch/x86/kvm/cpuid.c:147 kvm_vcpu_ioctl_set_cpuid2+0x151/0x1c0 arch/x86/kvm/cpuid.c:255 kvm_arch_vcpu_ioctl+0xfc0/0x2e10 arch/x86/kvm/x86.c:3930 kvm_vcpu_ioctl+0x8af/0xe30 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2974 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45d5f9 Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fc9a3321c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000011b00 RCX: 000000000045d5f9 RDX: 0000000020000540 RSI: 000000004008ae90 RDI: 0000000000000006 RBP: 000000000118d160 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d12c R13: 00007ffd2eb7484f R14: 00007fc9a33229c0 R15: 000000000118d12c ================================================================================ audit: type=1804 audit(1600306655.178:68): pid=14265 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir495383878/syzkaller.BrSfsD/261/file1/file0" dev="loop4" ino=23 res=1 audit: type=1804 audit(1600306657.928:69): pid=14308 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir495383878/syzkaller.BrSfsD/262/file1/file0" dev="loop4" ino=24 res=1 audit: type=1804 audit(1600306660.898:70): pid=14359 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir495383878/syzkaller.BrSfsD/263/file1/file0" dev="loop4" ino=25 res=1