Warning: Permanently added '10.128.0.65' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 50.228200] kauditd_printk_skb: 2 callbacks suppressed [ 50.228214] audit: type=1400 audit(1576181055.179:36): avc: denied { map } for pid=7818 comm="syz-executor818" path="/root/syz-executor818897800" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 50.232543] 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. [ 50.233566] audit: type=1400 audit(1576181055.179:37): avc: denied { map } for pid=7818 comm="syz-executor818" path="socket:[30256]" dev="sockfs" ino=30256 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=socket permissive=1 [ 50.311010] ------------[ cut here ]------------ [ 50.315997] kernel BUG at arch/x86/kvm/mmu.c:3279! [ 50.321011] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 50.326378] CPU: 0 PID: 7818 Comm: syz-executor818 Not tainted 4.19.88-syzkaller #0 [ 50.334155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.343525] RIP: 0010:transparent_hugepage_adjust+0x4bb/0x540 [ 50.349399] Code: ff ff e8 e8 05 5c 00 48 8b 45 b8 48 83 e8 01 48 89 45 c8 e9 a3 fd ff ff 48 89 df e8 1f 95 93 00 e9 88 fb ff ff e8 c5 05 5c 00 <0f> 0b 48 8b 7d c8 e8 0a 95 93 00 e9 ba fc ff ff 49 8d 7f 30 e8 dc [ 50.368284] RSP: 0018:ffff88808ada7628 EFLAGS: 00010293 [ 50.373631] RAX: ffff88808e4b6500 RBX: ffff88808ada7718 RCX: ffffffff810f3c3a [ 50.380882] RDX: 0000000000000000 RSI: ffffffff810f3d7b RDI: 0000000000000007 [ 50.388147] RBP: ffff88808ada7670 R08: ffff88808e4b6500 R09: ffffed100f2496c2 [ 50.395406] R10: ffffed100f2496c1 R11: ffff88807924b60b R12: 0000000000000183 [ 50.402866] R13: 00000000000a8783 R14: 00000000000a8781 R15: 0000000000000000 [ 50.410128] FS: 00000000008ce880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 50.418345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.424210] CR2: 0000000000000000 CR3: 000000008e4e5000 CR4: 00000000001426f0 [ 50.431481] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.438751] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.446014] Call Trace: [ 50.448593] tdp_page_fault+0x580/0x6a0 [ 50.452569] ? ept_page_fault+0x18e0/0x18e0 [ 50.456877] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 50.461894] ? mmio_info_in_cache+0x143/0x560 [ 50.466509] kvm_mmu_page_fault+0x1b1/0x1600 [ 50.470921] ? __lock_acquire+0x6ee/0x49c0 [ 50.475149] ? make_mmu_pages_available.isra.0+0x470/0x470 [ 50.480910] ? __lock_is_held+0xb6/0x140 [ 50.484986] handle_ept_violation+0x1d7/0x520 [ 50.489536] ? vmx_write_l1_tsc_offset+0x550/0x550 [ 50.494481] vmx_handle_exit+0x276/0x16b0 [ 50.498623] ? lock_acquire+0x16f/0x3f0 [ 50.502833] ? vcpu_enter_guest+0xf15/0x5ed0 [ 50.507232] vcpu_enter_guest+0x10ca/0x5ed0 [ 50.511546] ? vmx_prepare_switch_to_host+0x488/0x8f0 [ 50.516737] ? kvm_vcpu_ioctl+0x181/0xf90 [ 50.520974] ? emulator_read_emulated+0x50/0x50 [ 50.525747] ? lock_acquire+0x16f/0x3f0 [ 50.529850] ? kvm_check_async_pf_completion+0x2d8/0x440 [ 50.535642] kvm_arch_vcpu_ioctl_run+0x457/0x16b0 [ 50.540664] ? kvm_arch_vcpu_ioctl_run+0x457/0x16b0 [ 50.545972] kvm_vcpu_ioctl+0x4dc/0xf90 [ 50.549936] ? kvm_vcpu_block+0xcc0/0xcc0 [ 50.554075] ? thp_get_unmapped_area+0x1f0/0x1f0 [ 50.558951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.564731] ? __handle_mm_fault+0x7d1/0x3f80 [ 50.569236] ? copy_page_range+0x2030/0x2030 [ 50.573641] ? kvm_vcpu_block+0xcc0/0xcc0 [ 50.577786] do_vfs_ioctl+0xd5f/0x1380 [ 50.581670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.587503] ? selinux_file_ioctl+0x125/0x5e0 [ 50.592044] ? ioctl_preallocate+0x210/0x210 [ 50.596442] ? selinux_file_mprotect+0x620/0x620 [ 50.601194] ? get_user_pages_unlocked+0x130/0x440 [ 50.606114] ? __sanitizer_cov_trace_cmp1+0xb/0x20 [ 50.611028] ? up_read+0x1a/0x110 [ 50.614481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.620127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 50.625659] ? security_file_ioctl+0x8d/0xc0 [ 50.630054] ksys_ioctl+0xab/0xd0 [ 50.633611] __x64_sys_ioctl+0x73/0xb0 [ 50.637493] do_syscall_64+0xfd/0x620 [ 50.641336] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.646515] RIP: 0033:0x440359 [ 50.649720] 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 [ 50.668616] RSP: 002b:00007ffcef50d9e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.676406] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440359 [ 50.683659] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000006 [ 50.691102] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 50.698495] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401be0 [ 50.705751] R13: 0000000000401c70 R14: 0000000000000000 R15: 0000000000000000 [ 50.713009] Modules linked in: [ 50.716387] ---[ end trace 2877431f547122ff ]--- [ 50.721171] RIP: 0010:transparent_hugepage_adjust+0x4bb/0x540 [ 50.727088] Code: ff ff e8 e8 05 5c 00 48 8b 45 b8 48 83 e8 01 48 89 45 c8 e9 a3 fd ff ff 48 89 df e8 1f 95 93 00 e9 88 fb ff ff e8 c5 05 5c 00 <0f> 0b 48 8b 7d c8 e8 0a 95 93 00 e9 ba fc ff ff 49 8d 7f 30 e8 dc [ 50.746337] RSP: 0018:ffff88808ada7628 EFLAGS: 00010293 [ 50.751769] RAX: ffff88808e4b6500 RBX: ffff88808ada7718 RCX: ffffffff810f3c3a [ 50.759095] RDX: 0000000000000000 RSI: ffffffff810f3d7b RDI: 0000000000000007 [ 50.766409] RBP: ffff88808ada7670 R08: ffff88808e4b6500 R09: ffffed100f2496c2 [ 50.773671] R10: ffffed100f2496c1 R11: ffff88807924b60b R12: 0000000000000183 [ 50.780967] R13: 00000000000a8783 R14: 00000000000a8781 R15: 0000000000000000 [ 50.788268] FS: 00000000008ce880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 50.796505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.802381] CR2: 0000000000000000 CR3: 000000008e4e5000 CR4: 00000000001426f0 [ 50.809753] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 50.817030] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.824342] Kernel panic - not syncing: Fatal exception [ 50.831069] Kernel Offset: disabled [ 50.834697] Rebooting in 86400 seconds..