This appears to be problem with glibc version.
glibc-2.17.322.el7_9 had some printf bug.
It got solved with yum install glibc-2.17-323.el7_9
This appears to be problem with glibc version.
glibc-2.17.322.el7_9 had some printf bug.
It got solved with yum install glibc-2.17-323.el7_9