This bug was fixed in the package linux - 4.4.0-210.242
---------------
linux (4.4.0-210.242) xenial; urgency=medium
* xenial/linux: 4.4.0-210.242 -proposed tracker (LP: #1924644)
* setting extended attribute may cause memory leak (LP: #1924611)
- SAUCE: vfs_setxattr: free converted value if xattr_permission returns
error
-- Stefan Bader <[email protected]> Fri, 16 Apr 2021 11:33:09
+0200
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.6 in Ubuntu.
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 Committed
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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