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Kernel: open() with a zero-length path should fail with EINVAL

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This commit is contained in:
Andreas Kling 2019-11-11 09:38:44 +01:00
parent 0e80b7faa5
commit 11fd7aed2a
1 changed files with 2 additions and 0 deletions
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2
Kernel/Process.cpp
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@ -1348,6 +1348,8 @@ int Process::sys$open(const Syscall::SC_open_params* params)
if (!validate_read_typed(params)) if (!validate_read_typed(params))
return -EFAULT; return -EFAULT;
auto& [path, path_length, options, mode] = *params; auto& [path, path_length, options, mode] = *params;
if (!path_length)
return -EINVAL;
if (!validate_read(path, path_length)) if (!validate_read(path, path_length))
return -EFAULT; return -EFAULT;
#ifdef DEBUG_IO #ifdef DEBUG_IO