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Kernel: Use copy_typed_from_user<T> for fetching syscall parameters

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This commit is contained in:
Andreas Kling 2021-09-05 17:51:37 +02:00
commit 789db813d3
Notes: sideshowbarker 2024-07-18 04:41:47 +09:00
24 changed files with 42 additions and 81 deletions
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3
Kernel/Syscalls/unveil.cpp
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@ -27,8 +27,7 @@ static void update_intermediate_node_permissions(UnveilNode& root_node, UnveilAc
KResultOr<FlatPtr> Process::sys$unveil(Userspace<const Syscall::SC_unveil_params*> user_params)
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
Syscall::SC_unveil_params params;
TRY(copy_from_user(&params, user_params));
auto params = TRY(copy_typed_from_user(user_params));
if (!params.path.characters && !params.permissions.characters) {
m_veil_state = VeilState::Locked;