Comment 35 for bug 1881380

With this build PAM module crashes immediately.

Swipe your right index finger across the fingerprint reader
An unknown error occurred
free(): double free detected in tcache 2
[1] 1131410 abort sudo id

(fprintd:1116834): libfprint-SSM-DEBUG: 23:19:09.027: [upekts] INITSM_NUM_STATES completed successfully
(fprintd:1116834): libfprint-SSM-DEBUG: 23:19:09.027: [upekts] VERIFY_NUM_STATES entering state 1
(fprintd:1116834): libfprint-upekts-DEBUG: 23:19:09.028: seq=50 subcmd=03 with 164 bytes of data
(fprintd:1116834): libfprint-SSM-DEBUG: 23:19:09.028: [upekts] VERIFY_NUM_STATES completed successfully
(fprintd:1116834): libfprint-upekts-DEBUG: 23:19:09.029: A=00 B=50 len=7
(fprintd:1116834): libfprint-upekts-DEBUG: 23:19:09.029: non-zero bytes in cmd response
(fprintd:1116834): libfprint-upekts-DEBUG: 23:19:09.029: device responds to subcmd f0 with 1 bytes
(fprintd:1116834): libfprint-device-DEBUG: 23:19:09.029: Device reported verify result

(fprintd:1116834): libfprint-device-WARNING **: 23:19:09.029: Driver reported a verify error that was not in the retry domain, delaying report!
(fprintd:1116834): libfprint-SSM-DEBUG: 23:19:09.030: [upekts] DEINITSM_NUM_STATES entering state 0
(fprintd:1116834): libfprint-upekts-DEBUG: 23:19:09.030: seq=07 len=1
(fprintd:1116834): libfprint-SSM-DEBUG: 23:19:09.030: [upekts] DEINITSM_NUM_STATES entering state 1
(fprintd:1116834): libfprint-upekts-DEBUG: 23:19:09.031: A=01 B=00 len=0
(fprintd:1116834): libfprint-upekts-DEBUG: 23:19:09.031: cmd 1 from device to driver
(fprintd:1116834): libfprint-SSM-DEBUG: 23:19:09.031: [upekts] DEINITSM_NUM_STATES completed successfully
(fprintd:1116834): libfprint-device-DEBUG: 23:19:09.031: Device reported verify completion

(fprintd:1116834): GLib-CRITICAL **: 23:19:09.031: g_error_free: assertion 'error != NULL' failed
(fprintd:1116834): libfprint-device-DEBUG: 23:19:09.032: Completing action 5 in idle!
(fprintd:1116834): fprintd-DEBUG: 23:19:09.032: verify_cb: result verify-disconnect

(fprintd:1116834): fprintd-WARNING **: 23:19:09.032: Device reported an error during verify: Response had wrong subcommand type
(fprintd:1116834): libfprint-device-DEBUG: 23:19:09.040: Device reported close completion
(fprintd:1116834): libfprint-device-DEBUG: 23:19:09.042: Completing action 3 in idle!