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AK+Kernel: OOM-harden most parts of Trie

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The only part of Unveil that can't handle OOM gracefully is the
String::formatted() use in the node metadata.
This commit is contained in:
Ali Mohammad Pur 2022-02-14 16:49:53 +03:30 • committed by Idan Horowitz
parent 80e6198563
commit a1cb2c371a
9 changed files with 145 additions and 99 deletions
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2
Kernel/Syscalls/fork.cpp
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@ -21,7 +21,7 @@ ErrorOr<FlatPtr> Process::sys$fork(RegisterState& regs)
auto child_name = TRY(m_name->try_clone());
auto child = TRY(Process::try_create(child_first_thread, move(child_name), uid(), gid(), pid(), m_is_kernel_process, m_cwd, m_executable, m_tty, this));
child->m_veil_state = m_veil_state;
child->m_unveiled_paths = m_unveiled_paths.deep_copy();
child->m_unveiled_paths = TRY(m_unveiled_paths.deep_copy());
TRY(child->m_fds.with_exclusive([&](auto& child_fds) {
return m_fds.with_exclusive([&](auto& parent_fds) {