IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes 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: 6968 Comm: syz-executor2 Not tainted 4.19.0-rc4+ #63 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __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 RIP: 0010:kmsan_set_origin_inline+0x8/0x120 mm/kmsan/kmsan_instr.c:384 Code: 0f 0b eb fe 0f 0b 66 90 66 2e 0f 1f 84 00 00 00 00 00 eb fe 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 <41> 55 41 54 53 41 89 f7 49 89 fe 44 89 f0 83 e0 03 41 01 c7 45 85 RSP: 0018:ffff88014a6ef0f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff04 RAX: 00000000800000bc RBX: 00000000800000bc RCX: ffff88014a6ef150 RDX: 00000000800000bc RSI: 0000000000000001 RDI: ffff88014a6ef20f RBP: ffff88014a6ef100 R08: 0000000000480020 R09: 0000000000000002 R10: 000000ffffffffff R11: 0000000000000000 R12: 0000000000000246 R13: ffff88014a6ef210 R14: ffff880170973c00 R15: 0000000000000001 __msan_poison_alloca+0x17a/0x210 mm/kmsan/kmsan_instr.c:465 page_remove_rmap+0x70/0x1760 mm/rmap.c:1298 zap_pte_range mm/memory.c:1339 [inline] zap_pmd_range mm/memory.c:1441 [inline] zap_pud_range mm/memory.c:1470 [inline] zap_p4d_range mm/memory.c:1491 [inline] unmap_page_range+0x203d/0x3db0 mm/memory.c:1512 unmap_single_vma+0x445/0x5e0 mm/memory.c:1557 unmap_vmas+0x251/0x380 mm/memory.c:1587 exit_mmap+0x50e/0xa00 mm/mmap.c:3093 __mmput+0x16d/0x700 kernel/fork.c:1002 mmput+0x178/0x1f0 kernel/fork.c:1023 exec_mmap fs/exec.c:1043 [inline] flush_old_exec+0x174d/0x2930 fs/exec.c:1276 load_elf_binary+0x151b/0x9230 fs/binfmt_elf.c:869 search_binary_handler+0x49e/0x1030 fs/exec.c:1653 exec_binprm fs/exec.c:1695 [inline] __do_execve_file+0x22c5/0x3340 fs/exec.c:1819 do_execveat_common fs/exec.c:1866 [inline] do_execve fs/exec.c:1883 [inline] __do_sys_execve fs/exec.c:1964 [inline] __se_sys_execve+0xec/0x110 fs/exec.c:1959 __x64_sys_execve+0x4a/0x70 fs/exec.c:1959 do_syscall_64+0xbe/0x100 arch/x86/entry/common.c:291 entry_SYSCALL_64_after_hwframe+0x63/0xe7 RIP: 0033:0x455e27 Code: Bad RIP value. RSP: 002b:0000000000a3fac8 EFLAGS: 00000207 ORIG_RAX: 000000000000003b RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000455e27 RDX: 00007fff2e0f3958 RSI: 0000000000a3fb00 RDI: 00000000004dac7b RBP: 0000000000a3fc80 R08: 0000000000000000 R09: 0000000000000028 R10: 0000000000000008 R11: 0000000000000207 R12: 0000000000a3fee8 R13: 0000000000a3fe28 R14: 0000000000000000 R15: 0000000000000000 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 ==================================================================