** Changed in: ubuntu-z-systems
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1775390
Title:
kernel: Fix memory leak on CCA and EP11 CPRB processing.
Status in Ubuntu on IBM z Systems:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Released
Bug description:
== SRU Justification ==
Description: kernel: Fix memory leak on CCA and EP11 CPRB processing.
Symptom: Kernel memory not freed when CCA or EP11 CPRB processing fails.
Problem: kfree() in code error path missing.
Solution: Slight rework of the malloc and free places.
Reproduction: Run application which sends CCA or EP11 crypto requests
to the crypto card(s). Now switch the cards offline with
the help of chzcrypt. Monitor top or free output.
Upstream commit(s): kernel 4.18
89a0c0ec0d2e3ce0ee9caa00f60c0c26ccf11c21
== Fix ==
89a0c0ec0d2e ("s390/zcrypt: Fix CCA and EP11 CPRB processing failure memory
leak.")
== Regression Potential ==
Low. Limited to s390.
== Test Case ==
Verified upfront by IBM during upstream integration.
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