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Kernel: Implement an axallowed
mount option
Similar to `W^X` and `wxallowed`, this allows for anonymous executable mappings.
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5 changed files with 8 additions and 1 deletions
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@ -75,7 +75,7 @@ ErrorOr<void> Process::validate_mmap_prot(int prot, bool map_stack, bool map_ano
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bool make_writable = prot & PROT_WRITE;
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bool make_executable = prot & PROT_EXEC;
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if (map_anonymous && make_executable)
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if (map_anonymous && make_executable && !(executable()->mount_flags() & MS_AXALLOWED))
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return EINVAL;
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if (map_stack && make_executable)
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