bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered forwarding state
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
==================================================================
BUG: KMSAN: uninit-value in vmcs_clear arch/x86/kvm/vmx.c:2119 [inline]
BUG: KMSAN: uninit-value in loaded_vmcs_init+0x343/0x590 arch/x86/kvm/vmx.c:2126
CPU: 1 PID: 6832 Comm: syz-executor0 Not tainted 4.19.0-rc4+ #63
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x306/0x460 lib/dump_stack.c:113
 kmsan_report+0x1a3/0x2d0 mm/kmsan/kmsan.c:917
 __msan_warning+0x7c/0xe0 mm/kmsan/kmsan_instr.c:500
 vmcs_clear arch/x86/kvm/vmx.c:2119 [inline]
 loaded_vmcs_init+0x343/0x590 arch/x86/kvm/vmx.c:2126
 __loaded_vmcs_clear+0x2fb/0x3c0 arch/x86/kvm/vmx.c:2209
 flush_smp_call_function_queue+0x404/0x770 kernel/smp.c:243
 generic_smp_call_function_single_interrupt+0x1f/0x30 kernel/smp.c:192
 smp_call_function_single_interrupt+0x2f7/0x530 arch/x86/kernel/smp.c:296
 call_function_single_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:891
 </IRQ>
RIP: 0010:native_restore_fl arch/x86/include/asm/irqflags.h:40 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:81 [inline]
RIP: 0010:__msan_memcpy+0xe9/0x150 mm/kmsan/kmsan_instr.c:288
Code: 74 49 4c 89 e7 4c 89 fe 48 89 da e8 d1 d0 ff ff 41 ff 8d 7c 09 00 00 75 5a e8 63 d2 36 ff 48 8b 45 c0 48 89 45 b8 ff 75 b8 9d <65> 48 8b 04 25 28 00 00 00 48 3b 45 d0 75 4a 4c 89 f0 48 83 c4 20
RSP: 0018:ffff8801a11bfa08 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff04
RAX: 0000000000000202 RBX: 0000000000000058 RCX: 000000014afc0168
RDX: 0000000000000000 RSI: ffff88021fff2000 RDI: ffff88018bf00218
RBP: ffff8801a11bfa50 R08: ffffffff7fffffff R09: ffff88021fd38f50
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88018bf001c0
R13: ffff88019ca30000 R14: ffff88018bf001c0 R15: ffff88018bf00168
 update_memslots arch/x86/kvm/../../../virt/kvm/kvm_main.c:847 [inline]
 __kvm_set_memory_region+0x2302/0x2c80 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1059
 kvm_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1083 [inline]
 kvm_vm_ioctl_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1095 [inline]
 kvm_vm_ioctl+0x17ea/0x33d0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2987
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0xcf3/0x2810 fs/ioctl.c:687
 ksys_ioctl fs/ioctl.c:702 [inline]
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl+0x1da/0x270 fs/ioctl.c:707
 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:707
 do_syscall_64+0xbe/0x100 arch/x86/entry/common.c:291
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x4573e7
Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 7d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa88ba26098 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000000000d RCX: 00000000004573e7
RDX: 00007fa88ba26510 RSI: 000000004020ae46 RDI: 0000000000000004
RBP: 000000002000c000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000fec00000
R13: 0000000000000004 R14: 00000000004d7cf8 R15: 00000000ffffffff

Local variable description: ----error.i@loaded_vmcs_init
Variable was created at:
 loaded_vmcs_init+0x8a/0x590 arch/x86/kvm/vmx.c:2125
 __loaded_vmcs_clear+0x2fb/0x3c0 arch/x86/kvm/vmx.c:2209
==================================================================