ioctl$sock_ipv6_tunnel_SIOCCHG6RD(r1, 0x89fb, &(0x7f0000000200)={'syztnl0\x00', 0x0})
syz_open_procfs(0xffffffffffffffff, 0x0)
recvmsg$unix(0xffffffffffffffff, 0x0, 0x0)
SYZFAIL: failed to write(kmemleak, "scan")
 (errno 1: Operation not permitted)
BUG: leak checking failed