Public bug reported:
Description: qeth: use vzalloc for QUERY OAT buffer
Symptom: qethqoat tool fails.
Problem: qeth_query_oat_command() currently allocates the kernel
buffer for the SIOC_QETH_QUERY_OAT ioctl with kzalloc.
Solution: Using vzalloc() instead of kzalloc(), backing the
allocation with non-contiguous memory.
Commit -ID: aec45e857c5538664edb76a60dd452e3265f37d1
kernel 4.19.
To be fixed for 18.10, 18,04 and 16.04.
** Affects: ubuntu-z-systems
Importance: High
Assignee: Canonical Kernel Team (canonical-kernel-team)
Status: Triaged
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Tags: architecture-s39064 bugnameltc-171548 severity-high
targetmilestone-inin1810
** Tags added: architecture-s39064 bugnameltc-171548 severity-high
targetmilestone-inin1810
** Changed in: ubuntu
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
** Package changed: ubuntu => linux (Ubuntu)
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https://bugs.launchpad.net/bugs/1793086
Title:
qeth: use vzalloc for QUERY OAT buffer
Status in Ubuntu on IBM z Systems:
Triaged
Status in linux package in Ubuntu:
New
Bug description:
Description: qeth: use vzalloc for QUERY OAT buffer
Symptom: qethqoat tool fails.
Problem: qeth_query_oat_command() currently allocates the kernel
buffer for the SIOC_QETH_QUERY_OAT ioctl with kzalloc.
Solution: Using vzalloc() instead of kzalloc(), backing the
allocation with non-contiguous memory.
Commit -ID: aec45e857c5538664edb76a60dd452e3265f37d1
kernel 4.19.
To be fixed for 18.10, 18,04 and 16.04.
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