feat: kernel: harden HeFS, Process Teams, and introduce verbose macros for HeFS.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

4 files changed, 12 insertions, 10 deletions

diff --git a/src/kernel/FSKit/Ext2+IFS.h b/src/kernel/FSKit/Ext2+IFS.h
index ea676c97..06450a76 100644
--- a/src/kernel/FSKit/Ext2+IFS.h
+++ b/src/kernel/FSKit/Ext2+IFS.h
@@ -1,4 +1,4 @@
-// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
 
diff --git a/src/kernel/FSKit/Ext2.h b/src/kernel/FSKit/Ext2.h
index c8adf512..25d9f9bd 100644
--- a/src/kernel/FSKit/Ext2.h
+++ b/src/kernel/FSKit/Ext2.h
@@ -1,4 +1,4 @@
-// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
 // Official repository: https://github.com/ne-foss-org/nekernel
 
diff --git a/src/kernel/src/FS/OpenHeFS+FileSystemParser.cpp b/src/kernel/src/FS/OpenHeFS+FileSystemParser.cpp
index 19479264..fa3f5785 100644
--- a/src/kernel/src/FS/OpenHeFS+FileSystemParser.cpp
+++ b/src/kernel/src/FS/OpenHeFS+FileSystemParser.cpp
@@ -263,7 +263,7 @@ namespace Detail {
   STATIC _Output BOOL hefsi_update_ind_status(HEFS_BOOT_NODE* boot, DriveTrait* mnt,
                                               const Utf8Char* dir_name, UInt16 flags,
                                               const BOOL delete_or_create) {
-    if (mnt) {
+    if (mnt && boot) {
       HEFS_INDEX_NODE_DIRECTORY* tmpdir =
           (HEFS_INDEX_NODE_DIRECTORY*) mm_alloc_ptr(sizeof(HEFS_INDEX_NODE_DIRECTORY), Yes, No);
 
@@ -462,7 +462,7 @@ namespace Detail {
                                                                    const Utf8Char* dir_name,
                                                                    const Utf8Char* file_name,
                                                                    UInt8           kind) {
-    if (mnt) {
+    if (mnt && boot) {
       if (boot->fStartIND > boot->fEndIND) return nullptr;
       if (boot->fStartIN > boot->fEndIN) return nullptr;
 
@@ -751,6 +751,8 @@ namespace Kernel {
 /// @return If it was sucessful, see err_local_get().
 _Output Bool HeFileSystemParser::Format(_Input _Output DriveTrait* mnt, _Input const Int32 flags,
                                         _Input const Utf8Char* vol_name) {
+  if (!mnt) return NO;
+
   // Verify Disk.
   mnt->fVerify(mnt->fPacket);
 
@@ -859,6 +861,7 @@ _Output Bool HeFileSystemParser::Format(_Input _Output DriveTrait* mnt, _Input c
 
   mnt->fOutput(mnt->fPacket);
 
+#if defined(__NE_VERBOSE_HEFS__)
   (Void)(kout << "Protocol: " << mnt->fProtocol() << kendl);
   (Void)(kout8 << u8"Volume Name: " << boot->fVolName << kendl8);
   (Void)(kout << "Start IND: " << hex_number(boot->fStartIND) << kendl);
@@ -870,6 +873,7 @@ _Output Bool HeFileSystemParser::Format(_Input _Output DriveTrait* mnt, _Input c
   (Void)(kout << "Number of IND: " << hex_number(boot->fINDCount) << kendl);
   (Void)(kout << "Sector Size: " << hex_number(boot->fSectorSize) << kendl);
   (Void)(kout << "Drive Kind: " << Detail::hefs_drive_kind_to_string(boot->fDiskKind) << kendl);
+#endif
 
   if (!mnt->fPacket.fPacketGood) {
     err_global_get() = kErrorDiskIsCorrupted;
diff --git a/src/kernel/src/UserProcessTeam.cpp b/src/kernel/src/UserProcessTeam.cpp
index de8edcf2..6a302066 100644
--- a/src/kernel/src/UserProcessTeam.cpp
+++ b/src/kernel/src/UserProcessTeam.cpp
@@ -1,6 +1,6 @@
-// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Copyright 2024-2026, Amlal El Mahrouss (amlal@nekernel.org)
 // Licensed under the Apache License, Version 2.0 (see LICENSE file)
-// Official repository: https://github.com/ne-foss-org/nekernel
+// Official repository: https://github.com/ne-foss-org/kernel
 
 #include <KernelKit/UserProcessScheduler.h>
 
@@ -12,12 +12,9 @@ UserProcessTeam::UserProcessTeam() {
     this->mProcessList[i].RTime  = 0;
     this->mProcessList[i].UTime  = 0;
     this->mProcessList[i].Status = ProcessStatusKind::kKilled;
-
-    auto team{this->mProcessList[i].GetParentTeam()};
-    team = this;
-    (void) team;
   }
 
+  // se the cursor to zero.
   this->mProcessCur = 0UL;
 }
 
@@ -36,6 +33,7 @@ Array<UserProcess, kSchedProcessLimitPerTeam>& UserProcessTeam::AsArray() {
 /***********************************************************************************/
 
 ProcessID& UserProcessTeam::Id() {
+  MUST_PASS(mTeamId >= 0);
   return this->mTeamId;
 }