libkrb5 failed to alloc memory

[Greg Hudson]

On 10/25/20 1:31 AM, Ming Zhi wrote:
> I have encountered a very rare situation, that the libkrb5 raised an
> exception with the message "malloc: invalid size (unsorted)", and the host
> process quit afterwards.

This message is an indication that the heap was corrupted prior to the
malloc() call.  You might be able to use valgrind to determine where the
heap corruption occurred.

> At the same time, sssd_kcm kept at very high CPU
> usage till kinit succeeded.

I don't have any insight into this part.