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[Launchpad Bug Tracker <1924611@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux-oem-5.6 - 5.6.0-1055.59

---------------
linux-oem-5.6 (5.6.0-1055.59) focal; urgency=medium

  * focal/linux-oem-5.6: 5.6.0-1055.59 -proposed tracker (LP: #1924646)

  * setting extended attribute may cause memory leak (LP: #1924611)
    - SAUCE: vfs_setxattr: free converted value if xattr_permission returns error

 -- Stefan Bader <stefan.bader@xxxxxxxxxxxxx>  Fri, 16 Apr 2021 10:28:23
+0200

** Changed in: linux-oem-5.6 (Ubuntu Focal)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1924611

Title:
  setting extended attribute may cause memory leak

Status in linux package in Ubuntu:
  Invalid
Status in linux-gke-5.3 package in Ubuntu:
  Invalid
Status in linux-hwe package in Ubuntu:
  Invalid
Status in linux-oem-5.6 package in Ubuntu:
  Invalid
Status in linux-raspi2-5.3 package in Ubuntu:
  Invalid
Status in linux source package in Xenial:
  Fix Released
Status in linux-gke-5.3 source package in Xenial:
  Invalid
Status in linux-hwe source package in Xenial:
  Invalid
Status in linux-oem-5.6 source package in Xenial:
  Invalid
Status in linux-raspi2-5.3 source package in Xenial:
  Invalid
Status in linux source package in Bionic:
  Invalid
Status in linux-gke-5.3 source package in Bionic:
  Fix Released
Status in linux-hwe source package in Bionic:
  Fix Released
Status in linux-oem-5.6 source package in Bionic:
  Invalid
Status in linux-raspi2-5.3 source package in Bionic:
  Fix Released
Status in linux source package in Focal:
  Invalid
Status in linux-gke-5.3 source package in Focal:
  Invalid
Status in linux-hwe source package in Focal:
  Invalid
Status in linux-oem-5.6 source package in Focal:
  Fix Released
Status in linux-raspi2-5.3 source package in Focal:
  Invalid

Bug description:
  [Impact]
  A memory leak may happen when an error happens when setting extended attributes.

  [Fix]
  The issue was introduced by an improper backport, so the fix is specific to Ubuntu, so a SAUCE patch.

  [Test case]
  Test setting attribute under a user namespace.

  [Regression potential]
  A double free bug might be introduced. Or setting extended attributes might fail.

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