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Kernel+Base: Mount root as nodev,nosuid

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Then bind-mount /dev and /bin while adding back the appropriate permissions :^)
This commit is contained in:
Sergey Bugaev
2020-01-12 19:40:50 +03:00
committed by Andreas Kling
parent 1a55264fe6
commit fee6d0a3a6
2 changed files with 9 additions and 3 deletions
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4
Kernel/FileSystem/VirtualFileSystem.cpp
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@@ -89,7 +89,7 @@ bool VFS::mount_root(FS& file_system)
return false;
}
Mount mount { file_system, nullptr, 0 };
Mount mount { file_system, nullptr, MS_NODEV | MS_NOSUID };
auto root_inode_id = mount.guest().fs()->root_inode();
auto root_inode = mount.guest().fs()->get_inode(root_inode_id);
@@ -668,7 +668,7 @@ void VFS::sync()
Custody& VFS::root_custody()
{
if (!m_root_custody)
m_root_custody = Custody::create(nullptr, "", *m_root_inode, 0);
m_root_custody = Custody::create(nullptr, "", *m_root_inode, MS_NODEV | MS_NOSUID);
return *m_root_custody;
}