Posix ACL object is leaked in setattr and fsetxattr syscalls

Solution Verified - Updated -


Slab usage grows and is never reclaimed, even when the underlying program that prompted the allocation exits.


  • Red Hat Enterprise Linux 7
  • EXT4 filesystem
  • Various kernel versions are believed to be affected, the issue has been observed on these versions:
    • kernel-3.10.0-1127.el7
    • kernel-3.10.0-1062.el7
    • kernel-3.10.0-957.el7
    • kernel-3.10.0-862.el7
    • kernel-3.10.0-693.55.1.el7

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content