Warning: Permanently added '10.128.10.14' (ECDSA) to the list of known hosts. [ 68.921960] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 69.188216] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/l1tf.html for details. [ 69.206039] ================================================================== [ 69.213431] BUG: KMSAN: uninit-value in vmx_set_constant_host_state+0x1778/0x1830 [ 69.221144] CPU: 1 PID: 6240 Comm: syz-executor153 Not tainted 4.19.0-rc4+ #64 [ 69.228494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.237841] Call Trace: [ 69.240474] dump_stack+0x306/0x460 [ 69.244098] ? vmx_set_constant_host_state+0x1778/0x1830 [ 69.249562] kmsan_report+0x1a2/0x2e0 [ 69.253366] __msan_warning+0x7c/0xe0 [ 69.257169] vmx_set_constant_host_state+0x1778/0x1830 [ 69.262453] vmx_create_vcpu+0x3e6f/0x7870 [ 69.266682] ? kmsan_set_origin_inline+0x6b/0x120 [ 69.271524] ? __msan_poison_alloca+0x17a/0x210 [ 69.276199] ? vmx_vm_init+0x340/0x340 [ 69.280079] kvm_arch_vcpu_create+0x25d/0x2f0 [ 69.284575] kvm_vm_ioctl+0x13fd/0x33d0 [ 69.288589] ? __msan_poison_alloca+0x17a/0x210 [ 69.293252] ? kmsan_set_origin_inline+0x6b/0x120 [ 69.298105] ? do_vfs_ioctl+0x18a/0x2810 [ 69.302174] ? __se_sys_ioctl+0x1da/0x270 [ 69.306341] ? vcpu_stat_clear_per_vm+0x420/0x420 [ 69.311179] ? vcpu_stat_clear_per_vm+0x420/0x420 [ 69.316017] do_vfs_ioctl+0xcf3/0x2810 [ 69.319909] ? security_file_ioctl+0x92/0x200 [ 69.324407] __se_sys_ioctl+0x1da/0x270 [ 69.328398] __x64_sys_ioctl+0x4a/0x70 [ 69.332286] do_syscall_64+0xbe/0x100 [ 69.336097] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 69.341279] RIP: 0033:0x440069 [ 69.344480] 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 [ 69.363376] RSP: 002b:00007ffc8e883638 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 69.371083] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440069 [ 69.378358] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 69.385619] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 69.392878] R10: 00000000004002c8 R11: 0000000000000286 R12: 00000000004018f0 [ 69.400139] R13: 0000000000401980 R14: 0000000000000000 R15: 0000000000000000 [ 69.407415] [ 69.409030] Local variable description: ----dt@vmx_set_constant_host_state [ 69.416024] Variable was created at: [ 69.419731] vmx_set_constant_host_state+0x2b0/0x1830 [ 69.424930] vmx_create_vcpu+0x3e6f/0x7870 [ 69.429235] ================================================================== [ 69.436582] Disabling lock debugging due to kernel taint [ 69.442020] Kernel panic - not syncing: panic_on_warn set ... [ 69.442020] [ 69.449383] CPU: 1 PID: 6240 Comm: syz-executor153 Tainted: G B 4.19.0-rc4+ #64 [ 69.458130] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.467488] Call Trace: [ 69.470086] dump_stack+0x306/0x460 [ 69.473734] panic+0x54c/0xafa [ 69.476952] ? __msan_metadata_ptr_for_store_1+0x13/0x20 [ 69.482413] kmsan_report+0x2d3/0x2e0 [ 69.486218] __msan_warning+0x7c/0xe0 [ 69.490020] vmx_set_constant_host_state+0x1778/0x1830 [ 69.495312] vmx_create_vcpu+0x3e6f/0x7870 [ 69.499546] ? kmsan_set_origin_inline+0x6b/0x120 [ 69.504390] ? __msan_poison_alloca+0x17a/0x210 [ 69.509069] ? vmx_vm_init+0x340/0x340 [ 69.512953] kvm_arch_vcpu_create+0x25d/0x2f0 [ 69.517449] kvm_vm_ioctl+0x13fd/0x33d0 [ 69.521427] ? __msan_poison_alloca+0x17a/0x210 [ 69.526091] ? kmsan_set_origin_inline+0x6b/0x120 [ 69.530934] ? do_vfs_ioctl+0x18a/0x2810 [ 69.534989] ? __se_sys_ioctl+0x1da/0x270 [ 69.539132] ? vcpu_stat_clear_per_vm+0x420/0x420 [ 69.543971] ? vcpu_stat_clear_per_vm+0x420/0x420 [ 69.548818] do_vfs_ioctl+0xcf3/0x2810 [ 69.552731] ? security_file_ioctl+0x92/0x200 [ 69.557229] __se_sys_ioctl+0x1da/0x270 [ 69.561209] __x64_sys_ioctl+0x4a/0x70 [ 69.565095] do_syscall_64+0xbe/0x100 [ 69.568895] entry_SYSCALL_64_after_hwframe+0x63/0xe7 [ 69.574080] RIP: 0033:0x440069 [ 69.577271] 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 [ 69.596184] RSP: 002b:00007ffc8e883638 EFLAGS: 00000286 ORIG_RAX: 0000000000000010 [ 69.603895] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440069 [ 69.611161] RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 [ 69.618422] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 69.625701] R10: 00000000004002c8 R11: 0000000000000286 R12: 00000000004018f0 [ 69.632963] R13: 0000000000401980 R14: 0000000000000000 R15: 0000000000000000 [ 69.641211] Kernel Offset: disabled [ 69.644849] Rebooting in 86400 seconds..