Warning: Permanently added '10.128.1.10' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 72.257880][ T9262] 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. executing program [ 72.371027][ T9271] BUG: unable to handle page fault for address: ffffed12337690b3 [ 72.376815][ T9275] kobject: 'kvm' (000000004be0a111): kobject_uevent_env [ 72.378758][ T9271] #PF: supervisor read access in kernel mode [ 72.378765][ T9271] #PF: error_code(0x0000) - not-present page [ 72.378771][ T9271] PGD 21fff0067 P4D 21fff0067 PUD 0 [ 72.378803][ T9271] Oops: 0000 [#1] PREEMPT SMP KASAN [ 72.378822][ T9271] CPU: 0 PID: 9271 Comm: syz-executor887 Not tainted 5.2.0-rc6-next-20190628 #25 [ 72.387217][ T9268] kobject: 'kvm' (000000004be0a111): kobject_uevent_env [ 72.392186][ T9271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.392211][ T9271] RIP: 0010:coalesced_mmio_write+0x28a/0x4d0 [ 72.392224][ T9271] Code: 38 d0 7c 08 84 d2 0f 85 55 02 00 00 41 8b 47 04 48 8d 14 40 49 8d 7c d7 08 48 ba 00 00 00 00 00 fc ff df 48 89 fe 48 c1 ee 03 <80> 3c 16 00 0f 85 1b 02 00 00 48 8d 14 40 48 be 00 00 00 00 00 fc [ 72.392239][ T9271] RSP: 0018:ffff888091457090 EFLAGS: 00010a02 [ 72.400685][ T9280] kobject: 'kvm' (000000004be0a111): kobject_uevent_env [ 72.403500][ T9271] RAX: 00000000b52b40e6 RBX: 0000000000000f7c RCX: ffffffff81083dfa [ 72.403508][ T9271] RDX: dffffc0000000000 RSI: 1ffff112337690b3 RDI: ffff88919bb48598 [ 72.403516][ T9271] RBP: ffff8880914570e0 R08: ffff8880a924a240 R09: 0000000000000000 [ 72.403523][ T9271] R10: ffffed101228adff R11: 0000000000000003 R12: 0000000000000002 [ 72.403530][ T9271] R13: ffff88809a3e7690 R14: 0000000000000002 R15: ffff88809fa67000 [ 72.403546][ T9271] FS: 00007efe4caab700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 72.408904][ T9275] kobject: 'kvm' (000000004be0a111): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.417808][ T9271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.417816][ T9271] CR2: ffffed12337690b3 CR3: 0000000097bef000 CR4: 00000000001526f0 [ 72.417824][ T9271] Call Trace: [ 72.417843][ T9271] ? coalesced_mmio_destructor+0x170/0x170 [ 72.417859][ T9271] __kvm_io_bus_write+0x29b/0x380 [ 72.417880][ T9271] kvm_io_bus_write+0x15c/0x290 executing program [ 72.425748][ T9268] kobject: 'kvm' (000000004be0a111): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.434854][ T9271] ? __bpf_trace_kvm_async_get_page_class+0x30/0x30 [ 72.434873][ T9271] write_mmio+0x18e/0x510 [ 72.434893][ T9271] emulator_read_write_onepage+0x429/0xd80 [ 72.441252][ T9280] kobject: 'kvm' (000000004be0a111): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.460439][ T9271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.460456][ T9271] emulator_read_write+0x1b7/0x5a0 [ 72.460472][ T9271] emulator_write_emulated+0x3c/0x50 [ 72.460488][ T9271] segmented_write+0xf0/0x150 [ 72.460502][ T9271] ? em_fxsave+0x50/0x50 [ 72.460523][ T9271] ? emulator_read_gpr+0x99/0xe0 [ 72.499776][ T9280] kobject: 'kvm' (000000004be0a111): kobject_uevent_env [ 72.506232][ T9271] push+0x1e8/0x310 [ 72.506248][ T9271] ? segmented_write+0x150/0x150 [ 72.506264][ T9271] ? __do_insn_fetch_bytes+0x444/0x670 [ 72.506281][ T9271] em_push_sreg+0x1b4/0x2b0 [ 72.506299][ T9271] ? em_enter+0xe30/0xe30 [ 72.518563][ T9280] kobject: 'kvm' (000000004be0a111): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.523170][ T9271] ? __load_segment_descriptor+0xde8/0x1010 [ 72.523186][ T9271] ? trace_hardirqs_on+0x67/0x240 [ 72.523202][ T9271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.523222][ T9271] ? em_enter+0xe30/0xe30 [ 72.548490][ T9269] kobject: 'kvm' (000000004be0a111): kobject_uevent_env [ 72.550725][ T9271] x86_emulate_insn+0x5ba/0x4620 [ 72.550742][ T9271] ? init_decode_cache+0xc0/0xc0 [ 72.550776][ T9271] x86_emulate_instruction+0x70b/0x1cf0 [ 72.556684][ T9269] kobject: 'kvm' (000000004be0a111): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 72.561577][ T9271] ? nonpaging_page_fault+0x5c0/0x5c0 [ 72.561600][ T9271] ? lock_downgrade+0x920/0x920 [ 72.561622][ T9271] ? write_emulate+0x40/0x40 [ 72.740398][ T9271] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 72.746128][ T9271] ? mmio_info_in_cache+0x143/0x560 [ 72.751319][ T9271] kvm_mmu_page_fault+0x370/0x1890 [ 72.756422][ T9271] ? kasan_check_read+0x11/0x20 [ 72.761275][ T9271] ? mark_lock+0xc0/0x11e0 [ 72.765705][ T9271] ? __kvm_mmu_zap_all+0x350/0x350 [ 72.770812][ T9271] ? mark_lock+0xc0/0x11e0 [ 72.775225][ T9271] handle_ept_violation+0x1e1/0x530 [ 72.780411][ T9271] ? handle_pause+0x500/0x500 [ 72.785089][ T9271] vmx_handle_exit+0x299/0x15a0 [ 72.789945][ T9271] vcpu_enter_guest+0xf74/0x5d90 [ 72.794871][ T9271] ? preempt_schedule_irq+0xf3/0x160 [ 72.800156][ T9271] ? enter_smm+0x2080/0x2080 [ 72.804735][ T9271] ? kvm_arch_vcpu_ioctl_run+0x597/0x1790 [ 72.810446][ T9271] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 72.816591][ T9271] ? check_memory_region+0x104/0x190 [ 72.821873][ T9271] kvm_arch_vcpu_ioctl_run+0x463/0x1790 [ 72.827402][ T9271] ? kvm_arch_vcpu_ioctl_run+0x463/0x1790 [ 72.833123][ T9271] kvm_vcpu_ioctl+0x4dc/0xfc0 [ 72.837790][ T9271] ? kvm_vcpu_block+0xd80/0xd80 [ 72.842629][ T9271] ? tomoyo_path_number_perm+0x263/0x520 [ 72.848254][ T9271] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 72.854149][ T9271] ? kvm_vcpu_block+0xd80/0xd80 [ 72.858990][ T9271] do_vfs_ioctl+0xdb6/0x13e0 [ 72.863575][ T9271] ? ioctl_preallocate+0x210/0x210 [ 72.868674][ T9271] ? __fget+0x384/0x560 [ 72.872815][ T9271] ? ksys_dup3+0x3e0/0x3e0 [ 72.877227][ T9271] ? tomoyo_file_ioctl+0x23/0x30 [ 72.882165][ T9271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 72.888399][ T9271] ? security_file_ioctl+0x8d/0xc0 [ 72.893506][ T9271] ksys_ioctl+0xab/0xd0 [ 72.897650][ T9271] __x64_sys_ioctl+0x73/0xb0 [ 72.902264][ T9271] do_syscall_64+0xfd/0x6a0 [ 72.906762][ T9271] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.912643][ T9271] RIP: 0033:0x449e09 [ 72.916538][ T9271] Code: e8 ec e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 1b ff fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.936131][ T9271] RSP: 002b:00007efe4caaace8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.944531][ T9271] RAX: ffffffffffffffda RBX: 00000000006dfc48 RCX: 0000000000449e09 [ 72.952489][ T9271] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 72.960468][ T9271] RBP: 00000000006dfc40 R08: 0000000000000000 R09: 0000000000000000 [ 72.968423][ T9271] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dfc4c [ 72.976380][ T9271] R13: 00007ffd06b446ff R14: 00007efe4caab9c0 R15: 0000000000000000 [ 72.984344][ T9271] Modules linked in: [ 72.988227][ T9271] CR2: ffffed12337690b3 [ 72.992373][ T9271] ---[ end trace b60f1054b626f1ee ]--- [ 72.997841][ T9271] RIP: 0010:coalesced_mmio_write+0x28a/0x4d0 [ 73.003856][ T9271] Code: 38 d0 7c 08 84 d2 0f 85 55 02 00 00 41 8b 47 04 48 8d 14 40 49 8d 7c d7 08 48 ba 00 00 00 00 00 fc ff df 48 89 fe 48 c1 ee 03 <80> 3c 16 00 0f 85 1b 02 00 00 48 8d 14 40 48 be 00 00 00 00 00 fc [ 73.023451][ T9271] RSP: 0018:ffff888091457090 EFLAGS: 00010a02 [ 73.029502][ T9271] RAX: 00000000b52b40e6 RBX: 0000000000000f7c RCX: ffffffff81083dfa [ 73.037462][ T9271] RDX: dffffc0000000000 RSI: 1ffff112337690b3 RDI: ffff88919bb48598 [ 73.045417][ T9271] RBP: ffff8880914570e0 R08: ffff8880a924a240 R09: 0000000000000000 [ 73.053390][ T9271] R10: ffffed101228adff R11: 0000000000000003 R12: 0000000000000002 [ 73.061359][ T9271] R13: ffff88809a3e7690 R14: 0000000000000002 R15: ffff88809fa67000 [ 73.069321][ T9271] FS: 00007efe4caab700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 73.078234][ T9271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.084817][ T9271] CR2: ffffed12337690b3 CR3: 0000000097bef000 CR4: 00000000001526f0 [ 73.092776][ T9271] Kernel panic - not syncing: Fatal exception [ 73.099790][ T9271] Kernel Offset: disabled [ 73.104150][ T9271] Rebooting in 86400 seconds..