Warning: Permanently added '10.128.0.107' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 54.715254][ T8410] 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. [ 54.762236][ T8410] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 54.774006][ T8410] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 54.782425][ T8410] CPU: 1 PID: 8410 Comm: syz-executor382 Not tainted 5.13.0-rc5-syzkaller #0 [ 54.791313][ T8410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.801360][ T8410] RIP: 0010:gfn_to_rmap+0x2b0/0x4d0 [ 54.806650][ T8410] Code: 00 00 00 00 00 fc ff df 48 8b 5c 24 10 48 8b 44 24 08 42 8a 04 20 84 c0 0f 85 a9 01 00 00 8b 2b 83 e5 0f 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 f1 79 a9 00 4c 89 fb 4d 8b 37 44 [ 54.826925][ T8410] RSP: 0018:ffffc90000ffef98 EFLAGS: 00010246 [ 54.833084][ T8410] RAX: 0000000000000000 RBX: ffff888015b9f414 RCX: ffff888019669c40 [ 54.842742][ T8410] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 54.850871][ T8410] RBP: 0000000000000001 R08: ffffffff811d9cdb R09: ffffed10065a6002 [ 54.858849][ T8410] R10: ffffed10065a6002 R11: 0000000000000000 R12: dffffc0000000000 [ 54.866822][ T8410] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000000 [ 54.874869][ T8410] FS: 000000000124b300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 54.883785][ T8410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.890447][ T8410] CR2: 0000000000000000 CR3: 0000000028e31000 CR4: 00000000001526e0 [ 54.898894][ T8410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 54.906872][ T8410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 54.914874][ T8410] Call Trace: [ 54.918180][ T8410] mmu_set_spte+0x862/0xe60 [ 54.922783][ T8410] ? link_shadow_page+0x2c0/0x2c0 [ 54.927806][ T8410] ? drop_large_spte+0xc2/0x3b0 [ 54.932652][ T8410] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 54.938627][ T8410] ? trace_kvm_mmu_spte_requested+0x230/0x230 [ 54.944792][ T8410] ? kvm_mmu_hugepage_adjust+0x1ac/0x300 [ 54.950609][ T8410] direct_page_fault+0x1f74/0x2b70 [ 54.955810][ T8410] ? kvm_tdp_page_fault+0xa0/0xa0 [ 54.960853][ T8410] ? mtrr_lookup_next+0xb00/0xb00 [ 54.965864][ T8410] ? rcu_read_lock_sched_held+0x87/0x110 [ 54.971643][ T8410] ? rcu_read_lock_sched_held+0x87/0x110 [ 54.977376][ T8410] ? kvm_tdp_page_fault+0x42/0xa0 [ 54.982573][ T8410] kvm_mmu_page_fault+0x199/0x1440 [ 54.987767][ T8410] ? trace_kvm_page_fault+0x270/0x270 [ 54.993146][ T8410] ? lockdep_hardirqs_on_prepare+0x3e2/0x750 [ 54.999303][ T8410] ? trace_kvm_page_fault+0x137/0x270 [ 55.004901][ T8410] ? handle_ept_violation+0x295/0x360 [ 55.010272][ T8410] ? vtime_guest_exit+0x1fa/0x2f0 [ 55.015902][ T8410] vmx_handle_exit+0x26/0x160 [ 55.020696][ T8410] vcpu_enter_guest+0x3bdd/0x9630 [ 55.026076][ T8410] ? __lock_acquire+0x147f/0x6040 [ 55.031356][ T8410] ? local_bh_enable+0x20/0x20 [ 55.036314][ T8410] ? is_bpf_text_address+0x253/0x270 [ 55.042032][ T8410] ? __lock_acquire+0x13b0/0x6040 [ 55.047118][ T8410] ? trace_lock_acquire+0x180/0x180 [ 55.052587][ T8410] ? unwind_get_return_address+0x48/0x80 [ 55.058209][ T8410] ? trace_lock_acquire+0x180/0x180 [ 55.063392][ T8410] ? mark_lock+0x199/0x1eb0 [ 55.067879][ T8410] ? rcu_read_lock_sched_held+0x87/0x110 [ 55.073615][ T8410] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 55.079669][ T8410] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 55.085914][ T8410] ? __bfs+0x700/0x700 [ 55.090067][ T8410] ? lockdep_hardirqs_on_prepare+0x3e2/0x750 [ 55.096124][ T8410] ? rcu_read_lock_sched_held+0x87/0x110 [ 55.102183][ T8410] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 55.108756][ T8410] ? read_lock_is_recursive+0x10/0x10 [ 55.114117][ T8410] ? read_lock_is_recursive+0x10/0x10 [ 55.119474][ T8410] ? lockdep_hardirqs_on_prepare+0x3e2/0x750 [ 55.125436][ T8410] ? print_irqtrace_events+0x220/0x220 [ 55.130918][ T8410] ? lockdep_hardirqs_on_prepare+0x750/0x750 [ 55.136890][ T8410] vcpu_run+0x416/0xc20 [ 55.141212][ T8410] kvm_arch_vcpu_ioctl_run+0x4e8/0xa40 [ 55.146917][ T8410] kvm_vcpu_ioctl+0x70f/0xbb0 [ 55.151886][ T8410] ? kvm_clear_stat_per_vcpu+0x1d0/0x1d0 [ 55.157950][ T8410] ? smack_file_ioctl+0x338/0x390 [ 55.163573][ T8410] ? smack_file_alloc_security+0xd0/0xd0 [ 55.169201][ T8410] ? lockdep_hardirqs_on_prepare+0x3e2/0x750 [ 55.175174][ T8410] ? print_irqtrace_events+0x220/0x220 [ 55.180794][ T8410] ? vtime_user_exit+0x2b2/0x3e0 [ 55.185857][ T8410] ? bpf_lsm_file_ioctl+0x5/0x10 [ 55.191137][ T8410] ? security_file_ioctl+0x9d/0xb0 [ 55.196233][ T8410] ? kvm_clear_stat_per_vcpu+0x1d0/0x1d0 [ 55.201939][ T8410] __se_sys_ioctl+0xfb/0x170 [ 55.206519][ T8410] do_syscall_64+0x3f/0xb0 [ 55.210926][ T8410] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 55.216798][ T8410] RIP: 0033:0x440ce9 [ 55.220682][ T8410] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 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 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 55.240534][ T8410] RSP: 002b:00007ffeee792908 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.249013][ T8410] RAX: ffffffffffffffda RBX: 0000000000400488 RCX: 0000000000440ce9 [ 55.256967][ T8410] RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000005 [ 55.264922][ T8410] RBP: 00000000004047e0 R08: 0000000000400488 R09: 0000000000400488 [ 55.272961][ T8410] R10: 0000000000400488 R11: 0000000000000246 R12: 0000000000404870 [ 55.280911][ T8410] R13: 0000000000000000 R14: 00000000004b0018 R15: 0000000000400488 [ 55.289317][ T8410] Modules linked in: [ 55.293434][ T8410] ---[ end trace 41422839215ce938 ]--- [ 55.298938][ T8410] RIP: 0010:gfn_to_rmap+0x2b0/0x4d0 [ 55.304146][ T8410] Code: 00 00 00 00 00 fc ff df 48 8b 5c 24 10 48 8b 44 24 08 42 8a 04 20 84 c0 0f 85 a9 01 00 00 8b 2b 83 e5 0f 4c 89 f8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ff e8 f1 79 a9 00 4c 89 fb 4d 8b 37 44 [ 55.323855][ T8410] RSP: 0018:ffffc90000ffef98 EFLAGS: 00010246 [ 55.330136][ T8410] RAX: 0000000000000000 RBX: ffff888015b9f414 RCX: ffff888019669c40 [ 55.338789][ T8410] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 [ 55.346962][ T8410] RBP: 0000000000000001 R08: ffffffff811d9cdb R09: ffffed10065a6002 [ 55.355268][ T8410] R10: ffffed10065a6002 R11: 0000000000000000 R12: dffffc0000000000 [ 55.363728][ T8410] R13: 0000000000000003 R14: 0000000000000001 R15: 0000000000000000 [ 55.371943][ T8410] FS: 000000000124b300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 55.381173][ T8410] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.387850][ T8410] CR2: 0000000000000000 CR3: 0000000028e31000 CR4: 00000000001526e0 [ 55.396033][ T8410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.404064][ T8410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.412483][ T8410] Kernel panic - not syncing: Fatal exception [ 55.419919][ T8410] Kernel Offset: disabled [ 55.424939][ T8410] Rebooting in 86400 seconds..