Warning: Permanently added '10.128.10.60' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 86.448422][ T8793] 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. [ 86.549357][ T8801] BUG: unable to handle page fault for address: ffffed1233b034b3 [ 86.557120][ T8801] #PF: supervisor read access in kernel mode [ 86.563100][ T8801] #PF: error_code(0x0000) - not-present page [ 86.564285][ T8802] kobject: 'kvm' (00000000fa1438aa): kobject_uevent_env [ 86.569077][ T8801] PGD 21fff0067 P4D 21fff0067 PUD 0 [ 86.569098][ T8801] Oops: 0000 [#1] PREEMPT SMP KASAN [ 86.569112][ T8801] CPU: 0 PID: 8801 Comm: syz-executor276 Not tainted 5.2.0-rc5+ #38 [ 86.569119][ T8801] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.569138][ T8801] RIP: 0010:coalesced_mmio_write+0x28a/0x4d0 [ 86.569165][ T8801] 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 [ 86.582866][ T8802] kobject: 'kvm' (00000000fa1438aa): fill_kobj_path: path = '/devices/virtual/misc/kvm' [ 86.586593][ T8801] RSP: 0018:ffff888095bb7170 EFLAGS: 00010a02 [ 86.586605][ T8801] RAX: 00000000b52b40e6 RBX: 0000000000000000 RCX: ffffffff81080faa [ 86.586614][ T8801] RDX: dffffc0000000000 RSI: 1ffff11233b034b3 RDI: ffff88919d81a598 [ 86.586622][ T8801] RBP: ffff888095bb71c0 R08: ffff888096ce0300 R09: 0000000000000000 [ 86.586630][ T8801] R10: ffffed1012b76e1b R11: 0000000000000003 R12: 0000000000000001 [ 86.586645][ T8801] R13: ffff88809376f190 R14: 0000000000000001 R15: ffff8880a1739000 [ 86.686443][ T8801] FS: 00007f4b2263c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 86.695369][ T8801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 86.701950][ T8801] CR2: ffffed1233b034b3 CR3: 00000000a0169000 CR4: 00000000001426f0 [ 86.710145][ T8801] Call Trace: [ 86.713598][ T8801] ? coalesced_mmio_destructor+0x170/0x170 [ 86.719557][ T8801] __kvm_io_bus_write+0x29b/0x380 [ 86.724788][ T8801] kvm_io_bus_write+0x15c/0x290 [ 86.729633][ T8801] ? __bpf_trace_kvm_async_get_page_class+0x30/0x30 [ 86.736272][ T8801] write_mmio+0x175/0x4e0 [ 86.740661][ T8801] emulator_read_write_onepage+0x429/0xd50 [ 86.746541][ T8801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.752788][ T8801] emulator_read_write+0x1b7/0x5a0 [ 86.758029][ T8801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.764309][ T8801] emulator_write_emulated+0x3c/0x50 [ 86.769619][ T8801] segmented_write+0xf0/0x150 [ 86.774343][ T8801] ? em_fxsave+0x50/0x50 [ 86.778597][ T8801] ? memcpy+0x46/0x50 [ 86.782809][ T8801] writeback+0x3f4/0x6a0 [ 86.787042][ T8801] ? __emulate_int_real+0x6c0/0x6c0 [ 86.792238][ T8801] ? emulator_read_gpr+0x80/0xc0 [ 86.797183][ T8801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 86.803665][ T8801] ? fastop+0x18d/0x2b0 [ 86.808336][ T8801] ? em_salc+0x8/0x8 [ 86.812221][ T8801] x86_emulate_insn+0x1de1/0x48f0 [ 86.817321][ T8801] ? init_decode_cache+0xc0/0xc0 [ 86.822259][ T8801] x86_emulate_instruction+0xca3/0x1c50 [ 86.827817][ T8801] ? ept_page_fault+0x1560/0x1560 [ 86.833115][ T8801] ? write_emulate+0x40/0x40 [ 86.837720][ T8801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 86.843431][ T8801] ? mmio_info_in_cache+0x143/0x560 [ 86.848810][ T8801] kvm_mmu_page_fault+0x370/0x1870 [ 86.853919][ T8801] ? kvm_arch_vcpu_load+0x574/0x880 [ 86.859158][ T8801] ? __kvm_mmu_zap_all+0x350/0x350 [ 86.864266][ T8801] ? mark_held_locks+0xf0/0xf0 [ 86.869062][ T8801] ? __schedule+0x7d3/0x1560 [ 86.873654][ T8801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 86.879785][ T8801] handle_ept_violation+0x1c8/0x500 [ 86.884990][ T8801] ? add_atomic_switch_msr.constprop.0+0xd70/0xd70 [ 86.891506][ T8801] vmx_handle_exit+0x280/0x1540 [ 86.896361][ T8801] vcpu_enter_guest+0x1174/0x5f40 [ 86.901385][ T8801] ? emulator_read_emulated+0x50/0x50 [ 86.907042][ T8801] ? lock_acquire+0x16f/0x3f0 [ 86.911879][ T8801] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 86.918216][ T8801] kvm_arch_vcpu_ioctl_run+0x423/0x1740 [ 86.923870][ T8801] ? kvm_arch_vcpu_ioctl_run+0x423/0x1740 [ 86.929721][ T8801] kvm_vcpu_ioctl+0x4dc/0xf90 [ 86.934486][ T8801] ? kvm_set_memory_region+0x50/0x50 [ 86.939775][ T8801] ? tomoyo_path_number_perm+0x263/0x520 [ 86.945409][ T8801] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 86.951384][ T8801] ? userfaultfd_unmap_prep+0x4a0/0x4a0 [ 86.957038][ T8801] ? __fget+0x35a/0x550 [ 86.961193][ T8801] ? kvm_set_memory_region+0x50/0x50 [ 86.966834][ T8801] do_vfs_ioctl+0xd5f/0x1380 [ 86.971633][ T8801] ? ioctl_preallocate+0x210/0x210 [ 86.976751][ T8801] ? __fget+0x381/0x550 [ 86.980899][ T8801] ? ksys_dup3+0x3e0/0x3e0 [ 86.985367][ T8801] ? tomoyo_file_ioctl+0x23/0x30 [ 86.990440][ T8801] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 86.996671][ T8801] ? security_file_ioctl+0x8d/0xc0 [ 87.001818][ T8801] ksys_ioctl+0xab/0xd0 [ 87.006015][ T8801] __x64_sys_ioctl+0x73/0xb0 [ 87.010604][ T8801] do_syscall_64+0xfd/0x680 [ 87.015092][ T8801] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.020973][ T8801] RIP: 0033:0x449e09 [ 87.024864][ T8801] 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 [ 87.044589][ T8801] RSP: 002b:00007f4b2263bce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.052997][ T8801] RAX: ffffffffffffffda RBX: 00000000006dfc48 RCX: 0000000000449e09 [ 87.061117][ T8801] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 87.069254][ T8801] RBP: 00000000006dfc40 R08: 0000000000000000 R09: 0000000000000000 [ 87.077348][ T8801] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dfc4c [ 87.085523][ T8801] R13: 00007ffd737201df R14: 00007f4b2263c9c0 R15: 0000000000000000 [ 87.093493][ T8801] Modules linked in: [ 87.097383][ T8801] CR2: ffffed1233b034b3 [ 87.101533][ T8801] ---[ end trace 8de97d7587837e45 ]--- [ 87.106992][ T8801] RIP: 0010:coalesced_mmio_write+0x28a/0x4d0 [ 87.112960][ T8801] 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 [ 87.132559][ T8801] RSP: 0018:ffff888095bb7170 EFLAGS: 00010a02 [ 87.138734][ T8801] RAX: 00000000b52b40e6 RBX: 0000000000000000 RCX: ffffffff81080faa [ 87.146703][ T8801] RDX: dffffc0000000000 RSI: 1ffff11233b034b3 RDI: ffff88919d81a598 [ 87.154672][ T8801] RBP: ffff888095bb71c0 R08: ffff888096ce0300 R09: 0000000000000000 [ 87.162631][ T8801] R10: ffffed1012b76e1b R11: 0000000000000003 R12: 0000000000000001 [ 87.170593][ T8801] R13: ffff88809376f190 R14: 0000000000000001 R15: ffff8880a1739000 [ 87.178564][ T8801] FS: 00007f4b2263c700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 87.187486][ T8801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.194168][ T8801] CR2: ffffed1233b034b3 CR3: 00000000a0169000 CR4: 00000000001426f0 [ 87.202139][ T8801] Kernel panic - not syncing: Fatal exception [ 87.209298][ T8801] Kernel Offset: disabled [ 87.213627][ T8801] Rebooting in 86400 seconds..