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Kernel+LibC+LibELF: Set stack size based on PT_GNU_STACK during execve
Some programs explicitly ask for a different initial stack size than what the OS provides. This is implemented in ELF by having a PT_GNU_STACK header which has its p_memsz set to the amount that the program requires. This commit implements this policy by reading the p_memsz of the header and setting the main thread stack size to that. ELF::Image::validate_program_headers ensures that the size attribute is a reasonable value.
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9 changed files with 43 additions and 7 deletions
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@ -12,6 +12,7 @@
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#include <AK/QuickSort.h>
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#include <AK/StringBuilder.h>
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#include <AK/StringView.h>
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#include <Kernel/API/serenity_limits.h>
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#include <LibELF/Image.h>
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#include <LibELF/Validation.h>
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#include <limits.h>
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