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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1932065
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1932065
Title:
Upstream v5.9 introduced 'module' patches that removed exported
symbols
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Focal:
Fix Released
Status in linux source package in Groovy:
Fix Released
Bug description:
SRU Justification:
[Impact]
* The following patches removed an exported symbol that will cause
potential disruption and breakage for customers
modules: inherit TAINT_PROPRIETARY_MODULE
modules: return licensing information from find_symbol
modules: rename the licence field in struct symsearch to license
modules: unexport __module_address
modules: unexport __module_text_address
modules: mark each_symbol_section static
modules: mark find_symbol static
modules: mark ref_module static
[Fix]
* Temporarily revert as SAUCE patches to allow customers time to make
necessary changes to support eventual patch changes.
[Test Plan]
* Check symbols on running kernel
sudo grep -e ' ref_module' -e ' find_symbol' -e ' each_symbol_section$' -e '
__module_address' -e ' __module_text_address' /proc/kallsyms
* Check symbols on all installed kernels
sudo grep -e ' ref_module' -e ' find_symbol' -e ' each_symbol_section$' -e '
__module_address' -e ' __module_text_address' /boot/System.map-*
[Where problems could occur]
* The new functionality provided by patches will be removed, since we
aren't removing existing functionality the risk should be low.
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