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Kernel: Make custody_for_dirfd() fail on files other than directories

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This commit is contained in:
Andreas Kling 2023-04-03 15:54:14 +02:00
parent 41f5598516
commit f0c9c5e076
1 changed files with 5 additions and 4 deletions
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9
Kernel/Process.cpp
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@ -1084,11 +1084,12 @@ ErrorOr<NonnullRefPtr<Custody>> Process::custody_for_dirfd(int dirfd)
{
if (dirfd == AT_FDCWD)
return current_directory();
auto base_description = TRY(open_file_description(dirfd));
if (!base_description->custody())
auto description = TRY(open_file_description(dirfd));
if (!description->custody())
return EINVAL;
return *base_description->custody();
if (!description->is_directory())
return ENOTDIR;
return *description->custody();
}
SpinlockProtected<NonnullOwnPtr<KString>, LockRank::None> const& Process::name() const