Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 77.560888][ T8878] 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. [ 77.598404][ T8878] ------------[ cut here ]------------ [ 77.604072][ T8878] kernel BUG at arch/x86/kvm/mmu/mmu.c:3416! [ 77.610522][ T8878] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 77.616671][ T8878] CPU: 1 PID: 8878 Comm: syz-executor571 Not tainted 5.5.0-rc1-syzkaller #0 [ 77.625352][ T8878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.635421][ T8878] RIP: 0010:transparent_hugepage_adjust+0x4c8/0x550 [ 77.641994][ T8878] Code: ff ff e8 eb 5d 5e 00 48 8b 45 b8 48 83 e8 01 48 89 45 c8 e9 a3 fd ff ff 48 89 df e8 c2 f8 9b 00 e9 7b fb ff ff e8 c8 5d 5e 00 <0f> 0b 48 8b 7d c8 e8 ad f8 9b 00 e9 ba fc ff ff 49 8d 7f 30 e8 7f [ 77.661683][ T8878] RSP: 0018:ffffc9000610f678 EFLAGS: 00010293 [ 77.667994][ T8878] RAX: ffff88809ff86400 RBX: ffffc9000610f768 RCX: ffffffff8116cc87 [ 77.675941][ T8878] RDX: 0000000000000000 RSI: ffffffff8116cdc8 RDI: 0000000000000007 [ 77.683900][ T8878] RBP: ffffc9000610f6c0 R08: ffff88809ff86400 R09: ffffed1010fd1682 [ 77.691859][ T8878] R10: ffffed1010fd1681 R11: ffff888087e8b40b R12: 0000000000000183 [ 77.699813][ T8878] R13: 0000000000093983 R14: 0000000000093981 R15: 0000000000000000 [ 77.707764][ T8878] FS: 0000000000e60880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 77.716667][ T8878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.723830][ T8878] CR2: 0000000000000000 CR3: 000000009fa3a000 CR4: 00000000001426e0 [ 77.731796][ T8878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.739744][ T8878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.747691][ T8878] Call Trace: [ 77.750964][ T8878] tdp_page_fault+0x580/0x6a0 [ 77.755618][ T8878] ? nonpaging_page_fault+0x610/0x610 [ 77.760970][ T8878] ? is_bpf_text_address+0xce/0x160 [ 77.766145][ T8878] kvm_mmu_page_fault+0x1dd/0x1800 [ 77.771235][ T8878] ? __kasan_check_read+0x11/0x20 [ 77.776235][ T8878] ? mark_lock+0xc2/0x1220 [ 77.780628][ T8878] ? arch_stack_walk+0x97/0xf0 [ 77.785371][ T8878] ? kvm_nx_lpage_recovery_worker+0x7f0/0x7f0 [ 77.791431][ T8878] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 77.797601][ T8878] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.803141][ T8878] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 77.809176][ T8878] handle_ept_violation+0x259/0x560 [ 77.814419][ T8878] ? vmx_inject_irq+0x5c0/0x5c0 [ 77.819261][ T8878] vmx_handle_exit+0x29f/0x1730 [ 77.824099][ T8878] vcpu_enter_guest+0x334f/0x6110 [ 77.829114][ T8878] ? mark_held_locks+0xf0/0xf0 [ 77.833857][ T8878] ? kvm_vcpu_reload_apic_access_page+0x370/0x370 [ 77.840253][ T8878] ? lock_acquire+0x190/0x410 [ 77.844922][ T8878] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 77.851065][ T8878] kvm_arch_vcpu_ioctl_run+0x430/0x17b0 [ 77.856587][ T8878] ? kvm_arch_vcpu_ioctl_run+0x430/0x17b0 [ 77.862295][ T8878] kvm_vcpu_ioctl+0x4dc/0xfc0 [ 77.866958][ T8878] ? kvm_clear_dirty_log_protect+0x820/0x820 [ 77.872914][ T8878] ? tomoyo_path_number_perm+0x25e/0x520 [ 77.878628][ T8878] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 77.884481][ T8878] ? __do_page_fault+0x56a/0xd80 [ 77.889409][ T8878] ? kvm_clear_dirty_log_protect+0x820/0x820 [ 77.895452][ T8878] do_vfs_ioctl+0x977/0x14e0 [ 77.900028][ T8878] ? compat_ioctl_preallocate+0x220/0x220 [ 77.905737][ T8878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.911955][ T8878] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 77.918088][ T8878] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.923610][ T8878] ? tomoyo_file_ioctl+0x23/0x30 [ 77.928526][ T8878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.934773][ T8878] ? security_file_ioctl+0x8d/0xc0 [ 77.939862][ T8878] ksys_ioctl+0xab/0xd0 [ 77.943999][ T8878] __x64_sys_ioctl+0x73/0xb0 [ 77.948567][ T8878] do_syscall_64+0xfa/0x790 [ 77.953046][ T8878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.959045][ T8878] RIP: 0033:0x440359 [ 77.962922][ T8878] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.982597][ T8878] RSP: 002b:00007fff5a0a34d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.991076][ T8878] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440359 [ 77.999024][ T8878] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 78.007508][ T8878] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 78.015456][ T8878] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401be0 [ 78.023403][ T8878] R13: 0000000000401c70 R14: 0000000000000000 R15: 0000000000000000 [ 78.031353][ T8878] Modules linked in: [ 78.035313][ T8878] ---[ end trace 0cd6af6ad117ce66 ]--- [ 78.040899][ T8878] RIP: 0010:transparent_hugepage_adjust+0x4c8/0x550 [ 78.047497][ T8878] Code: ff ff e8 eb 5d 5e 00 48 8b 45 b8 48 83 e8 01 48 89 45 c8 e9 a3 fd ff ff 48 89 df e8 c2 f8 9b 00 e9 7b fb ff ff e8 c8 5d 5e 00 <0f> 0b 48 8b 7d c8 e8 ad f8 9b 00 e9 ba fc ff ff 49 8d 7f 30 e8 7f [ 78.067113][ T8878] RSP: 0018:ffffc9000610f678 EFLAGS: 00010293 [ 78.073159][ T8878] RAX: ffff88809ff86400 RBX: ffffc9000610f768 RCX: ffffffff8116cc87 [ 78.081135][ T8878] RDX: 0000000000000000 RSI: ffffffff8116cdc8 RDI: 0000000000000007 [ 78.089113][ T8878] RBP: ffffc9000610f6c0 R08: ffff88809ff86400 R09: ffffed1010fd1682 [ 78.097095][ T8878] R10: ffffed1010fd1681 R11: ffff888087e8b40b R12: 0000000000000183 [ 78.105055][ T8878] R13: 0000000000093983 R14: 0000000000093981 R15: 0000000000000000 [ 78.113045][ T8878] FS: 0000000000e60880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 78.121985][ T8878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.128586][ T8878] CR2: 0000000000000000 CR3: 000000009fa3a000 CR4: 00000000001426e0 [ 78.136551][ T8878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.144536][ T8878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.152513][ T8878] Kernel panic - not syncing: Fatal exception [ 78.160015][ T8878] Kernel Offset: disabled [ 78.164370][ T8878] Rebooting in 86400 seconds..