486cf22c35
It is pretty convenient to add .cmdline using /proc/cmdline like this: --add-section .cmdline=/proc/cmdline --change-section-vma .cmdline=0x25000 However, it always returns a trailing newline, and stub will convert it to a whitespace by mangle_stub_cmdline() in next boot. Thus the resulting /proc/cmdline would contain a trailing whitespace. When /proc/cmdline is used to generate .cmdline again, the resulting UKI is mangled. To address this kind of inconvenience, mangle_stub_cmdline() should skip converting the trailing newline, and try to chomp all the trailing whitespaces. Signed-off-by: Jia Zhang <zhang.jia@linux.alibaba.com>
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