Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 48.921094][ T3604] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 49.038482][ T3604] ------------[ cut here ]------------ [ 49.044012][ T3604] WARNING: CPU: 1 PID: 3604 at arch/x86/kvm/vmx/nested.c:4549 nested_vmx_vmexit+0x34c9/0x3b60 [ 49.054523][ T3604] Modules linked in: [ 49.058420][ T3604] CPU: 1 PID: 3604 Comm: syz-executor476 Not tainted 5.16.0-rc6-syzkaller #0 [ 49.067253][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.077460][ T3604] RIP: 0010:nested_vmx_vmexit+0x34c9/0x3b60 [ 49.083436][ T3604] Code: 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 84 21 ef ff ff 48 c7 c7 48 48 91 8d e8 51 3c 9a 00 e9 10 ef ff ff e8 47 73 53 00 <0f> 0b e9 88 f5 ff ff e8 3b 73 53 00 0f 0b e9 b6 eb ff ff e8 2f 73 [ 49.103221][ T3604] RSP: 0018:ffffc90001a6fa90 EFLAGS: 00010293 [ 49.109284][ T3604] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.117315][ T3604] RDX: ffff88801bc53a00 RSI: ffffffff81242f79 RDI: 0000000000000003 [ 49.125373][ T3604] RBP: ffffc90001a6fbe0 R08: 0000000000000007 R09: 0000000000000001 [ 49.133402][ T3604] R10: ffffffff812424ff R11: 0000000000000000 R12: 0000000000000000 [ 49.141446][ T3604] R13: 0000000000000001 R14: ffff888076ac2000 R15: ffff88801de4c000 [ 49.149428][ T3604] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 49.158408][ T3604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.165147][ T3604] CR2: 0000559fd2f9e918 CR3: 00000000228f9000 CR4: 00000000003526e0 [ 49.173299][ T3604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.181318][ T3604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.189282][ T3604] Call Trace: [ 49.192599][ T3604] [ 49.195539][ T3604] ? nested_mark_vmcs12_pages_dirty+0x260/0x260 [ 49.202144][ T3604] ? kvm_arch_vcpu_load+0x3ae/0x860 [ 49.207436][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 49.212942][ T3604] ? do_raw_spin_lock+0x120/0x2b0 [ 49.218145][ T3604] ? rwlock_bug.part.0+0x90/0x90 [ 49.223210][ T3604] ? nested_vmx_free_vcpu+0xa2/0xc0 [ 49.228417][ T3604] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.234728][ T3604] nested_vmx_free_vcpu+0xa2/0xc0 [ 49.239766][ T3604] vmx_free_vcpu+0x8d/0x1a0 [ 49.244455][ T3604] kvm_arch_vcpu_destroy+0x72/0x2f0 [ 49.249718][ T3604] kvm_vcpu_destroy+0x1d/0xa0 [ 49.254721][ T3604] kvm_arch_destroy_vm+0x33a/0x680 [ 49.259845][ T3604] ? mmu_notifier_unregister+0x2e1/0x3b0 [ 49.265764][ T3604] kvm_put_kvm+0x4fa/0xc00 [ 49.270212][ T3604] kvm_vm_release+0x3f/0x50 [ 49.274823][ T3604] __fput+0x286/0x9f0 [ 49.278817][ T3604] ? kvm_put_kvm+0xc00/0xc00 [ 49.283553][ T3604] task_work_run+0xdd/0x1a0 [ 49.288075][ T3604] do_exit+0xc14/0x2b40 [ 49.292280][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 49.297143][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 49.302099][ T3604] ? mm_update_next_owner+0x7a0/0x7a0 [ 49.307506][ T3604] do_group_exit+0x125/0x310 [ 49.312149][ T3604] __x64_sys_exit_group+0x3a/0x50 [ 49.317191][ T3604] do_syscall_64+0x35/0xb0 [ 49.321684][ T3604] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.327591][ T3604] RIP: 0033:0x7f734f64ab19 [ 49.332050][ T3604] Code: Unable to access opcode bytes at RIP 0x7f734f64aaef. [ 49.339411][ T3604] RSP: 002b:00007ffce7332ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.347901][ T3604] RAX: ffffffffffffffda RBX: 00007f734f6be270 RCX: 00007f734f64ab19 [ 49.355921][ T3604] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 49.363964][ T3604] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 49.371965][ T3604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f734f6be270 [ 49.379924][ T3604] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 49.387987][ T3604] [ 49.391056][ T3604] Kernel panic - not syncing: panic_on_warn set ... [ 49.397635][ T3604] CPU: 1 PID: 3604 Comm: syz-executor476 Not tainted 5.16.0-rc6-syzkaller #0 [ 49.406392][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.416440][ T3604] Call Trace: [ 49.419799][ T3604] [ 49.422722][ T3604] dump_stack_lvl+0xcd/0x134 [ 49.427317][ T3604] panic+0x2b0/0x6dd [ 49.431214][ T3604] ? __warn_printk+0xf3/0xf3 [ 49.435816][ T3604] ? __warn.cold+0x1a/0x44 [ 49.440235][ T3604] ? nested_vmx_vmexit+0x34c9/0x3b60 [ 49.445524][ T3604] __warn.cold+0x35/0x44 [ 49.449770][ T3604] ? nested_vmx_vmexit+0x34c9/0x3b60 [ 49.455056][ T3604] report_bug+0x1bd/0x210 [ 49.459391][ T3604] handle_bug+0x3c/0x60 [ 49.463561][ T3604] exc_invalid_op+0x14/0x40 [ 49.468327][ T3604] asm_exc_invalid_op+0x12/0x20 [ 49.473176][ T3604] RIP: 0010:nested_vmx_vmexit+0x34c9/0x3b60 [ 49.479075][ T3604] Code: 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 84 21 ef ff ff 48 c7 c7 48 48 91 8d e8 51 3c 9a 00 e9 10 ef ff ff e8 47 73 53 00 <0f> 0b e9 88 f5 ff ff e8 3b 73 53 00 0f 0b e9 b6 eb ff ff e8 2f 73 [ 49.498765][ T3604] RSP: 0018:ffffc90001a6fa90 EFLAGS: 00010293 [ 49.504830][ T3604] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 49.512795][ T3604] RDX: ffff88801bc53a00 RSI: ffffffff81242f79 RDI: 0000000000000003 [ 49.520761][ T3604] RBP: ffffc90001a6fbe0 R08: 0000000000000007 R09: 0000000000000001 [ 49.528727][ T3604] R10: ffffffff812424ff R11: 0000000000000000 R12: 0000000000000000 [ 49.536695][ T3604] R13: 0000000000000001 R14: ffff888076ac2000 R15: ffff88801de4c000 [ 49.544671][ T3604] ? nested_vmx_vmexit+0x2a4f/0x3b60 [ 49.549962][ T3604] ? nested_vmx_vmexit+0x34c9/0x3b60 [ 49.555286][ T3604] ? nested_mark_vmcs12_pages_dirty+0x260/0x260 [ 49.561532][ T3604] ? kvm_arch_vcpu_load+0x3ae/0x860 [ 49.566731][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 49.571582][ T3604] ? do_raw_spin_lock+0x120/0x2b0 [ 49.576615][ T3604] ? rwlock_bug.part.0+0x90/0x90 [ 49.581558][ T3604] ? nested_vmx_free_vcpu+0xa2/0xc0 [ 49.586763][ T3604] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 49.593006][ T3604] nested_vmx_free_vcpu+0xa2/0xc0 [ 49.598035][ T3604] vmx_free_vcpu+0x8d/0x1a0 [ 49.602563][ T3604] kvm_arch_vcpu_destroy+0x72/0x2f0 [ 49.607782][ T3604] kvm_vcpu_destroy+0x1d/0xa0 [ 49.612565][ T3604] kvm_arch_destroy_vm+0x33a/0x680 [ 49.617695][ T3604] ? mmu_notifier_unregister+0x2e1/0x3b0 [ 49.623423][ T3604] kvm_put_kvm+0x4fa/0xc00 [ 49.627866][ T3604] kvm_vm_release+0x3f/0x50 [ 49.632374][ T3604] __fput+0x286/0x9f0 [ 49.636358][ T3604] ? kvm_put_kvm+0xc00/0xc00 [ 49.640954][ T3604] task_work_run+0xdd/0x1a0 [ 49.645463][ T3604] do_exit+0xc14/0x2b40 [ 49.649622][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 49.654473][ T3604] ? lock_downgrade+0x6e0/0x6e0 [ 49.659323][ T3604] ? mm_update_next_owner+0x7a0/0x7a0 [ 49.664702][ T3604] do_group_exit+0x125/0x310 [ 49.669316][ T3604] __x64_sys_exit_group+0x3a/0x50 [ 49.674375][ T3604] do_syscall_64+0x35/0xb0 [ 49.678798][ T3604] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 49.684717][ T3604] RIP: 0033:0x7f734f64ab19 [ 49.689131][ T3604] Code: Unable to access opcode bytes at RIP 0x7f734f64aaef. [ 49.696483][ T3604] RSP: 002b:00007ffce7332ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 49.704892][ T3604] RAX: ffffffffffffffda RBX: 00007f734f6be270 RCX: 00007f734f64ab19 [ 49.712860][ T3604] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 49.720825][ T3604] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 49.728790][ T3604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f734f6be270 [ 49.736756][ T3604] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 49.744739][ T3604] [ 49.748144][ T3604] Kernel Offset: disabled [ 49.752591][ T3604] Rebooting in 86400 seconds..