crowdsecurity/crowdsec · error

unable to hash

Error message

unable to hash

What it means

Sentinel error database.HashError, returned when bcrypt hashing of a machine's password fails during CreateMachine or password update; the API server maps it to HTTP 400. Typically indicates an invalid or over-long password input to the hash function.

Source

Thrown at pkg/database/errors.go:8

package database

import "errors"

var (
	UserExists        = errors.New("user already exist")
	UserNotExists     = errors.New("user doesn't exist")
	HashError         = errors.New("unable to hash")
	InsertFail        = errors.New("unable to insert row")
	QueryFail         = errors.New("unable to query")
	UpdateFail        = errors.New("unable to update")
	DeleteFail        = errors.New("unable to delete")
	ItemNotFound      = errors.New("object not found")
	ParseTimeFail     = errors.New("unable to parse time")
	ParseDurationFail = errors.New("unable to parse duration")
	MarshalFail       = errors.New("unable to serialize")
	BulkError         = errors.New("unable to insert bulk")
	ParseType         = errors.New("unable to parse type")
	InvalidIPOrRange  = errors.New("invalid ip address / range")
	InvalidFilter     = errors.New("invalid filter")
)

View on GitHub (pinned to 909b515798)

Solutions

1. Retry with a valid password — usually caused by an empty or over-long password (>72 bytes for bcrypt)
2. Check the machine registration payload for a malformed password field

When it happens

Trigger: Thrown at pkg/database/errors.go:8 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of crowdsecurity/crowdsec@909b515798 (2026-09-06). Data as JSON: /api/errors/2433a94c107e9ab8. Report an issue: GitHub.