capability: warning: `syz-executor0' uses 32-bit capabilities (legacy support in use) ------------[ cut here ]------------ user requested TSC rate below hardware speed ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6621 at arch/x86/kvm/x86.c:1414 set_tsc_khz arch/x86/kvm/x86.c:1414 [inline] WARNING: CPU: 0 PID: 6621 at arch/x86/kvm/x86.c:1414 kvm_set_tsc_khz+0x4f1/0x540 arch/x86/kvm/x86.c:1463 user requested TSC rate below hardware speed Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 6621 Comm: syz-executor2 Not tainted 4.18.0-rc8-next-20180807+ #33 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+0x1c9/0x2b4 lib/dump_stack.c:113 WARNING: CPU: 1 PID: 6622 at arch/x86/kvm/x86.c:1414 set_tsc_khz arch/x86/kvm/x86.c:1414 [inline] WARNING: CPU: 1 PID: 6622 at arch/x86/kvm/x86.c:1414 kvm_set_tsc_khz+0x4f1/0x540 arch/x86/kvm/x86.c:1463 panic+0x238/0x4e7 kernel/panic.c:184 Modules linked in: CPU: 1 PID: 6622 Comm: syz-executor4 Not tainted 4.18.0-rc8-next-20180807+ #33 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 RIP: 0010:set_tsc_khz arch/x86/kvm/x86.c:1414 [inline] RIP: 0010:kvm_set_tsc_khz+0x4f1/0x540 arch/x86/kvm/x86.c:1463 Code: c7 c7 40 1a 02 87 c6 05 77 b6 79 07 01 e8 67 6a 3b 00 0f 0b e9 ed fd ff ff e8 6b d1 70 00 48 c7 c7 e0 19 02 87 e8 4f 6a 3b 00 <0f> 0b bb ff ff ff ff e9 d0 fd ff ff 89 45 d0 e8 4b cf af 00 8b 45 report_bug+0x252/0x2d0 lib/bug.c:186 RSP: 0018:ffff88019174f398 EFLAGS: 00010286 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 RAX: 0000000000000000 RBX: 0000000000231867 RCX: ffffc90004e1c000 RDX: 0000000000040000 RSI: ffffffff8163ec91 RDI: ffff88019174f088 RBP: ffff88019174f3d8 R08: ffff8801d2a92600 R09: fffffbfff0ff124c R10: fffffbfff0ff124c R11: ffffffff87f89263 R12: ffff8801922f0080 R13: 0000000000231607 R14: 0000000000231867 R15: 0000000000000000 FS: 00007f4f63cc3700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:996 CR2: 0000001b2d821000 CR3: 00000001d0199000 CR4: 00000000001426e0 RIP: 0010:set_tsc_khz arch/x86/kvm/x86.c:1414 [inline] RIP: 0010:kvm_set_tsc_khz+0x4f1/0x540 arch/x86/kvm/x86.c:1463 Call Trace: Code: c7 c7 40 1a 02 87 c6 05 77 b6 79 07 01 e8 67 6a 3b 00 0f 0b e9 ed fd ff ff e8 6b d1 70 00 48 c7 c7 e0 19 02 87 e8 4f 6a 3b 00 <0f> 0b bb ff ff ff ff e9 d0 fd ff ff 89 45 d0 e8 4b cf af 00 8b 45 kvm_arch_vcpu_init+0x269/0x830 arch/x86/kvm/x86.c:8702 RSP: 0018:ffff880191727398 EFLAGS: 00010286 kvm_vcpu_init+0x2fb/0x420 arch/x86/kvm/../../../virt/kvm/kvm_main.c:317 RAX: 0000000000000000 RBX: 0000000000231867 RCX: ffffc90004015000 RDX: 0000000000022a9c RSI: ffffffff8163ec91 RDI: ffff880191727088 RBP: ffff8801917273d8 R08: ffff8801aa6e00c0 R09: fffffbfff0ff124c vmx_create_vcpu+0x14c/0x28b0 arch/x86/kvm/vmx.c:10691 R10: fffffbfff0ff124c R11: ffffffff87f89263 R12: ffff880192b50040 R13: 0000000000231607 R14: 0000000000231867 R15: 0000000000000000 kvm_arch_vcpu_init+0x269/0x830 arch/x86/kvm/x86.c:8702 kvm_vcpu_init+0x2fb/0x420 arch/x86/kvm/../../../virt/kvm/kvm_main.c:317 vmx_create_vcpu+0x14c/0x28b0 arch/x86/kvm/vmx.c:10691 kvm_arch_vcpu_create+0xe5/0x220 arch/x86/kvm/x86.c:8401 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2476 [inline] kvm_vm_ioctl+0x488/0x1d80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2977 kvm_arch_vcpu_create+0xe5/0x220 arch/x86/kvm/x86.c:8401 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2476 [inline] kvm_vm_ioctl+0x488/0x1d80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2977 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x456cb9 Code: fd 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4f63cc2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4f63cc36d4 RCX: 0000000000456cb9 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000014 entry_SYSCALL_64_after_hwframe+0x49/0xbe RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 RIP: 0033:0x456cb9 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff Code: fd 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 R13: 00000000004ce2c0 R14: 00000000004c4c57 R15: 0000000000000000 RSP: 002b:00007fa6df078c78 EFLAGS: 00000246 irq event stamp: 0 ORIG_RAX: 0000000000000010 hardirqs last enabled at (0): [<0000000000000000>] (null) RAX: ffffffffffffffda RBX: 00007fa6df0796d4 RCX: 0000000000456cb9 hardirqs last disabled at (0): [] copy_process.part.37+0x1911/0x7240 kernel/fork.c:1781 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000014 softirqs last enabled at (0): [] copy_process.part.37+0x19b2/0x7240 kernel/fork.c:1784 RBP: 00000000009300a0 R08: 0000000000000000 R09: 0000000000000000 softirqs last disabled at (0): [<0000000000000000>] (null) R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004ce2c0 R14: 00000000004c4c57 R15: 0000000000000000 ---[ end trace e78567b561bb6a67 ]--- Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..