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Kernel: Use copy_typed_from_user() in more places :^)

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This commit is contained in:
Andreas Kling 2021-12-17 09:12:20 +01:00
commit abf2204402
Notes: sideshowbarker 2024-07-17 22:40:12 +09:00
9 changed files with 41 additions and 66 deletions
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4
Kernel/Syscalls/ioctl.cpp
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@ -16,9 +16,7 @@ ErrorOr<FlatPtr> Process::sys$ioctl(int fd, unsigned request, FlatPtr arg)
VERIFY_PROCESS_BIG_LOCK_ACQUIRED(this)
auto description = TRY(fds().open_file_description(fd));
if (request == FIONBIO) {
int non_blocking;
TRY(copy_from_user(&non_blocking, Userspace<const int*>(arg)));
description->set_blocking(non_blocking == 0);
description->set_blocking(TRY(copy_typed_from_user(Userspace<int const*>(arg))) == 0);
return 0;
}
TRY(description->file().ioctl(*description, request, arg));