process: passing -1 to setuid/setgid should not abort

Fixes: #32750
Signed-off-by: James M Snell <jasnell@gmail.com>
PR-URL: #36786
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Harshitha K P <harshitha014@gmail.com>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>

Author: jasnell

lib/internal/bootstrap/switches/does_own_process_state.js

@@ -80,6 +80,7 @@ function wrapPosixCredentialSetters(credentials) {
 functionwrapIdSetter(type,method){
 returnfunction(id){
 validateId(id,'id');
+if(typeofid==='number')id|=0;
 // Result is 0 on success, 1 if credential is unknown.
 constresult=method(id);
 if(result===1){

test/parallel/test-process-uid-gid.js

@@ -51,6 +51,13 @@ assert.throws(() => {
 message: 'User identifier does not exist: fhqwhgadshgnsdhjsdbkhsdabkfabkveyb'
 });
 
+// Passing -0 shouldn't crash the process
+// Refs: https://github.com/nodejs/node/issues/32750
+try{process.setuid(-0);}catch{}
+try{process.seteuid(-0);}catch{}
+try{process.setgid(-0);}catch{}
+try{process.setegid(-0);}catch{}
+
 // If we're not running as super user...
 if(process.getuid()!==0){
 // Should not throw.
@@ -79,6 +86,7 @@ try {
 }
 process.setgid('nogroup');
 }
+
 constnewgid=process.getgid();
 assert.notStrictEqual(newgid,oldgid);