I'm also suffering from this exact bug, and setting the higher memory limit does not allow me to log in.
auth.log shows: PAM unable to dlopen(pam_ecryptfs.so): /usr/lib/i386-linux-gnu/libnssutil3.so: undefined symbol: PR_GetEnvSecure PAM adding faulty module: pam_ecryptfs.so
I'm also suffering from this exact bug, and setting the higher memory limit does not allow me to log in.
auth.log shows: pam_ecryptfs. so): /usr/lib/ i386-linux- gnu/libnssutil3 .so: undefined symbol: PR_GetEnvSecure
PAM unable to dlopen(
PAM adding faulty module: pam_ecryptfs.so