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Fix typos in execstack.md

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justanotheranonymoususer 2022-11-26 13:48:17 +02:00 committed by GitHub
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docs/execstack.md
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@ -23,10 +23,10 @@ process.
To prevent this type of attack, the stack area is no longer executable To prevent this type of attack, the stack area is no longer executable
since the early 2000s. On Linux, the stack's executable-ness is since the early 2000s. On Linux, the stack's executable-ness is
controlled by a bit in an executable, and the loader respect that controlled by a bit in an executable, and the loader respects that
bit. The bit is set by the linker. bit. The bit is set by the linker.
GCC had (and still have) a feature that depends on the executable GCC had (and still has) a feature that depends on the executable
stack, so they invented a way to tell the linker to mark the stack stack, so they invented a way to tell the linker to mark the stack
executable. Specifically, if an object file contains a executable. Specifically, if an object file contains a
`.note.GNU-stack` section with the `SHF_EXECSTACK` bit, GNU linker `.note.GNU-stack` section with the `SHF_EXECSTACK` bit, GNU linker
@ -48,8 +48,8 @@ feature which still depends on the executable stack.
# How to fix it? # How to fix it?
If you know what you are doing, pass `-z execstack` to mold. Beaware If you know what you are doing, pass `-z execstack` to mold. Beware
that this will significantly weaken your program's security. that this will significantly weaken your program's security.
If you don't want to pass `-z execstack`, rewrite your code so that If you don't want to pass `-z execstack`, rewrite your code so that
your code does not depends on the executable stack. your code does not depend on the executable stack.