Warning: Permanently added '10.128.10.44' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 47.259852][ T7818] 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. [ 47.296154][ T7818] kasan: CONFIG_KASAN_INLINE enabled [ 47.301635][ T7818] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 47.309700][ T7818] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 47.316611][ T7818] CPU: 1 PID: 7818 Comm: syz-executor191 Not tainted 5.1.0-rc6-next-20190426 #31 [ 47.325685][ T7818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.335737][ T7818] RIP: 0010:vcpu_enter_guest+0xbcd/0x5fb0 [ 47.341436][ T7818] Code: 48 c1 ea 03 80 3c 02 00 0f 85 6f 48 00 00 49 8b 9f b0 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 78 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 39 48 00 00 8b 5b 78 31 ff 89 [ 47.361014][ T7818] RSP: 0018:ffff888084cc7a00 EFLAGS: 00010006 [ 47.367055][ T7818] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff810d1ec9 [ 47.375005][ T7818] RDX: 000000000000000f RSI: ffffffff810ceef2 RDI: 0000000000000078 [ 47.382949][ T7818] RBP: ffff888084cc7b10 R08: ffff8880969285c0 R09: ffffed1015d25dd8 [ 47.390907][ T7818] R10: ffffed1015d25dd7 R11: ffff8880ae92eebb R12: ffff8880a78a806c [ 47.398854][ T7818] R13: 0000000000000001 R14: ffff8880a78a8070 R15: ffff8880a78a8040 [ 47.406801][ T7818] FS: 0000555556fdb880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 47.415701][ T7818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.422257][ T7818] CR2: 00007fa5dd2ff000 CR3: 0000000096cff000 CR4: 00000000001426e0 [ 47.430221][ T7818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.438180][ T7818] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.446125][ T7818] Call Trace: [ 47.449398][ T7818] ? emulator_read_emulated+0x50/0x50 [ 47.454747][ T7818] ? lock_acquire+0x16f/0x3f0 [ 47.459405][ T7818] ? kvm_arch_vcpu_ioctl_run+0x240/0x1750 [ 47.465101][ T7818] kvm_arch_vcpu_ioctl_run+0x425/0x1750 [ 47.470621][ T7818] ? kvm_arch_vcpu_ioctl_run+0x425/0x1750 [ 47.476319][ T7818] kvm_vcpu_ioctl+0x4dc/0xf90 [ 47.480994][ T7818] ? kvm_set_memory_region+0x50/0x50 [ 47.486254][ T7818] ? tomoyo_path_number_perm+0x263/0x520 [ 47.491873][ T7818] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 47.497660][ T7818] ? kvm_set_memory_region+0x50/0x50 [ 47.502920][ T7818] do_vfs_ioctl+0xd6e/0x1390 [ 47.507510][ T7818] ? ioctl_preallocate+0x210/0x210 [ 47.512597][ T7818] ? __do_page_fault+0x623/0xda0 [ 47.517510][ T7818] ? lock_downgrade+0x880/0x880 [ 47.522334][ T7818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.528549][ T7818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.534781][ T7818] ? tomoyo_file_ioctl+0x23/0x30 [ 47.539695][ T7818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.545910][ T7818] ? security_file_ioctl+0x93/0xc0 [ 47.551002][ T7818] ksys_ioctl+0xab/0xd0 [ 47.555135][ T7818] __x64_sys_ioctl+0x73/0xb0 [ 47.559722][ T7818] do_syscall_64+0x103/0x670 [ 47.564294][ T7818] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.570161][ T7818] RIP: 0033:0x4401f9 [ 47.574030][ T7818] 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 [ 47.593625][ T7818] RSP: 002b:00007fffb7a89e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.603793][ T7818] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401f9 [ 47.611742][ T7818] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 47.619702][ T7818] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 47.627656][ T7818] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401a80 [ 47.635607][ T7818] R13: 0000000000401b10 R14: 0000000000000000 R15: 0000000000000000 [ 47.643563][ T7818] Modules linked in: [ 47.647446][ T7818] ---[ end trace 32c4638a9b6de5db ]--- [ 47.652886][ T7818] RIP: 0010:vcpu_enter_guest+0xbcd/0x5fb0 [ 47.658843][ T7818] Code: 48 c1 ea 03 80 3c 02 00 0f 85 6f 48 00 00 49 8b 9f b0 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 78 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 39 48 00 00 8b 5b 78 31 ff 89 [ 47.679259][ T7818] RSP: 0018:ffff888084cc7a00 EFLAGS: 00010006 [ 47.685330][ T7818] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff810d1ec9 [ 47.693328][ T7818] RDX: 000000000000000f RSI: ffffffff810ceef2 RDI: 0000000000000078 [ 47.701300][ T7818] RBP: ffff888084cc7b10 R08: ffff8880969285c0 R09: ffffed1015d25dd8 [ 47.709266][ T7818] R10: ffffed1015d25dd7 R11: ffff8880ae92eebb R12: ffff8880a78a806c [ 47.717226][ T7818] R13: 0000000000000001 R14: ffff8880a78a8070 R15: ffff8880a78a8040 [ 47.725195][ T7818] FS: 0000555556fdb880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 47.734099][ T7818] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.740661][ T7818] CR2: 00007fa5dd2ff000 CR3: 0000000096cff000 CR4: 00000000001426e0 [ 47.748612][ T7818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.756571][ T7818] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.764519][ T7818] Kernel panic - not syncing: Fatal exception [ 47.771701][ T7818] Kernel Offset: disabled [ 47.776022][ T7818] Rebooting in 86400 seconds..