IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
==================================================================
BUG: KMSAN: uninit-value in is_valid_bugaddr+0x17f/0x1a0 arch/x86/kernel/traps.c:165
CPU: 1 PID: 3581 Comm: syzkaller059654 Not tainted 4.16.0+ #83
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x185/0x1d0 lib/dump_stack.c:53
 kmsan_report+0x142/0x240 mm/kmsan/kmsan.c:1067
 __msan_warning_32+0x6c/0xb0 mm/kmsan/kmsan_instr.c:676
 is_valid_bugaddr+0x17f/0x1a0 arch/x86/kernel/traps.c:165
 report_bug+0x6f/0x880 lib/bug.c:149
 fixup_bug arch/x86/kernel/traps.c:179 [inline]
 do_error_trap+0x1aa/0x600 arch/x86/kernel/traps.c:297
 do_invalid_op+0x46/0x50 arch/x86/kernel/traps.c:316
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:986
RIP: 0010:kmsan_copy_to_user+0x141/0x160 mm/kmsan/kmsan.c:1213
RSP: 0018:ffff8801b421fb08 EFLAGS: 00010202
RAX: ffff8801d8298000 RBX: ffff8801dc76c8e8 RCX: 0000000000000004
RDX: 00007ffffffff000 RSI: ffff8801dc76c8e8 RDI: fffffffffffff123
RBP: ffff8801b421fb50 R08: 0000000001080020 R09: ffff8801dc76d8e8
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000004
R13: fffffffffffff123 R14: 0000000000000000 R15: 0000000000000000
 copy_to_user include/linux/uaccess.h:184 [inline]
 old_deviceless net/bridge/br_ioctl.c:328 [inline]
 br_ioctl_deviceless_stub+0xb8e/0xc20 net/bridge/br_ioctl.c:363
 sock_ioctl+0x706/0xbf0 net/socket.c:1048
 vfs_ioctl fs/ioctl.c:46 [inline]
 do_vfs_ioctl+0xaf0/0x2440 fs/ioctl.c:686
 SYSC_ioctl+0x1d2/0x260 fs/ioctl.c:701
 SyS_ioctl+0x54/0x80 fs/ioctl.c:692
 do_syscall_64+0x309/0x430 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x441869
RSP: 002b:00007ffc41f7cac8 EFLAGS: 00000213 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441869
RDX: 0000000020000000 RSI: 0000000000008941 RDI: 0000000000000003
RBP: 00000000006cd018 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000020 R11: 0000000000000213 R12: 0000000000402560
R13: 00000000004025f0 R14: 0000000000000000 R15: 0000000000000000

Local variable description: ----flags.i.i.i.i@enter_lazy_tlb
Variable was created at:
 enter_lazy_tlb+0x30/0x120 arch/x86/mm/tlb.c:352
 context_switch kernel/sched/core.c:2852 [inline]
 __schedule+0x5e6/0x730 kernel/sched/core.c:3446
==================================================================