RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 20:28:11 +00:00
Code Issues Activity Actions

Kernel: Use copy_typed_from_user<T> for fetching syscall parameters

Browse source
This commit is contained in:
Andreas Kling 2021-09-05 17:51:37 +02:00
parent d7e5768763
commit 789db813d3
24 changed files with 42 additions and 81 deletions
Download patch file Download diff file Expand all files Collapse all files

4
Kernel/Syscalls/mknod.cpp
View file

@ -14,8 +14,8 @@ KResultOr<FlatPtr> Process::sys$mknod(Userspace<const Syscall::SC_mknod_params*>
{
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
REQUIRE_PROMISE(dpath);
Syscall::SC_mknod_params params;
TRY(copy_from_user(&params, user_params));
auto params = TRY(copy_typed_from_user(user_params));
if (!is_superuser() && !is_regular_file(params.mode) && !is_fifo(params.mode) && !is_socket(params.mode))
return EPERM;
auto path = TRY(get_syscall_path_argument(params.path));