IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 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. ------------[ cut here ]------------ kernel BUG at arch/x86/kvm/x86.c:357! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 7784 Comm: syz-executor.0 Not tainted 5.0.0-rc7+ #85 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 9c ce 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 77 ce 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff8880ae807e80 EFLAGS: 00010006 RAX: ffff888082c16200 RBX: ffff888081007810 RCX: ffffffff81329baa RDX: 0000000000010000 RSI: ffffffff810a1309 RDI: 0000000000000007 RBP: ffff8880ae807e80 R08: ffff888082c16200 R09: ffffed1015d05be9 R10: ffffed1015d05be8 R11: ffff8880ae82df47 R12: 1ffff11015d00fd3 R13: ffff888088d03000 R14: ffff8880ae807ef8 R15: 0000000000000000 FS: 0000000000fa8940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae807eb8 CR3: 0000000094b6b000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: vmcs_clear arch/x86/kvm/vmx/ops.h:185 [inline] loaded_vmcs_init+0x95/0x250 arch/x86/kvm/vmx/vmx.c:566 __loaded_vmcs_clear+0x229/0x360 arch/x86/kvm/vmx/vmx.c:633 flush_smp_call_function_queue+0x14a/0x500 kernel/smp.c:243 generic_smp_call_function_single_interrupt+0x13/0x2b kernel/smp.c:192 smp_call_function_single_interrupt+0xa3/0x460 arch/x86/kernel/smp.c:296 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline] RIP: 0010:kfree+0x186/0x230 mm/slab.c:3812 Code: 5b 7e 0f 85 b3 fe ff ff e8 28 bc 59 ff e9 a9 fe ff ff e8 9d 9f ce ff 48 83 3d 45 d8 eb 06 00 0f 84 9e 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 5b 41 5c 41 5d 41 5e 5d c3 4c 89 f2 4c 89 e6 4c 89 RSP: 0018:ffff8880841d7c48 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff04 RAX: 0000000000000007 RBX: 0000000000000286 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000286 RBP: ffff8880841d7c68 R08: ffff888082c16200 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880a0268380 R13: ffff88812c3f01c0 R14: ffffffff819486b1 R15: ffff8880a0268380 kvfree+0x61/0x70 mm/util.c:445 kvm_arch_free_memslot+0x121/0x250 arch/x86/kvm/x86.c:9278 kvm_free_memslot+0xb8/0x110 arch/x86/kvm/../../../virt/kvm/kvm_main.c:556 kvm_free_memslots+0x5b/0xc0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:569 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:751 [inline] kvm_put_kvm+0x7a2/0xc70 arch/x86/kvm/../../../virt/kvm/kvm_main.c:769 kvm_vm_release+0x44/0x60 arch/x86/kvm/../../../virt/kvm/kvm_main.c:780 __fput+0x2df/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_usermode_loop+0x273/0x2c0 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x411d31 Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 94 19 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffc4be5c8a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000411d31 RDX: 0000000000000000 RSI: 00000000007405a0 RDI: 0000000000000007 RBP: 0000000000000000 R08: 000000000000d16e R09: 000000000000d16e R10: 00007ffc4be5c7d0 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000001 R14: 0000000000000002 R15: 0000000000000000 Modules linked in: ---[ end trace 1f01559ef2de96a4 ]--- RIP: 0010:kvm_spurious_fault+0x9/0x10 arch/x86/kvm/x86.c:357 Code: e8 9c ce 65 00 41 bd 03 00 00 00 5b 44 89 e8 41 5c 41 5d 5d c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 e8 77 ce 65 00 <0f> 0b 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 49 89 d6 41 55 41 54 RSP: 0018:ffff8880ae807e80 EFLAGS: 00010006 RAX: ffff888082c16200 RBX: ffff888081007810 RCX: ffffffff81329baa RDX: 0000000000010000 RSI: ffffffff810a1309 RDI: 0000000000000007 RBP: ffff8880ae807e80 R08: ffff888082c16200 R09: ffffed1015d05be9 R10: ffffed1015d05be8 R11: ffff8880ae82df47 R12: 1ffff11015d00fd3 R13: ffff888088d03000 R14: ffff8880ae807ef8 R15: 0000000000000000 FS: 0000000000fa8940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8880ae807eb8 CR3: 0000000094b6b000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400