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Kernel: mmap() should fail with ENODEV for directories

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This commit is contained in:
Andreas Kling 2020-01-08 12:33:36 +01:00
parent 3f35cd2f7d
commit 50056d1d84
2 changed files with 19 additions and 0 deletions
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2
Kernel/Process.cpp
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@ -339,6 +339,8 @@ void* Process::sys$mmap(const Syscall::SC_mmap_params* user_params)
auto description = file_description(fd);
if (!description)
return (void*)-EBADF;
if (description->is_directory())
return (void*)-ENODEV;
if ((prot & PROT_READ) && !description->is_readable())
return (void*)-EACCES;
if ((prot & PROT_WRITE) && !description->is_writable())