 spawnSync ./bash EACCES

I get this error when executing in aws lambda, I gave chmod 777 to bash file and same error
`{ error: 
{ Error: spawnSync ./bash EACCES
at exports._errnoException (util.js:1018:11)
at Object.spawnSync (child_process.js:459:20)
at module.exports.handle.exception (/var/task/handler.js:33:35)
code: 'EACCES',
errno: 'EACCES',
syscall: 'spawnSync ./bash',
path: './bash',`
