Comments by "eDoc2020" (@eDoc2020) on "Low Level" channel.

  1. I think they're signed when loaded into writeable memory. If code has pre-initialized global pointers I presume they'll be signed by the libc startup code. Note I'm also not a security person.
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  2. Presumably the libc functions would also be compiled with these features.
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  3.  @bartolhrg7609  AFAIK the way the stack normally works gets would modify main's return address instead of its own. Even if not gets() the return value could be modified by another vulnerable procedure you call.
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