Should I be worried about "warning: checksum areas are greater than image size. Invalid section table?" messages during kernel upgrade?
I found a page http://www.rodsbooks.com/efi-bootloaders/secureboot.html which mentions this warning:
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warning: file-aligned section .text extends beyond end of file warning: checksum areas are greater than image size. Invalid section table?
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This example shows two warnings. I don't claim to fully understand them, but they don't seem to do any harm—at least, the Linux kernel binaries I've signed that have produced these warnings have worked fine. (Such warnings seem to be less common in 2015 than they were a couple of years ago.).
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If this author is not worried, then I am neither.