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Ext2FS: Don't copy more than sizeof(ext2_inode) bytes of raw inode data.

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Some file systems have inodes larger than sizeof(ext2_inode) so this would
stomp all over unrelated data.
This commit is contained in:
Andreas Kling 2019-02-24 14:24:04 +01:00
parent a7a456002e
commit d218686c0a
1 changed files with 1 additions and 1 deletions
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2
Kernel/Ext2FileSystem.cpp
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@ -424,7 +424,7 @@ RetainPtr<Inode> Ext2FS::get_inode(InodeIdentifier inode) const
if (it != m_inode_cache.end())
return (*it).value;
auto new_inode = adopt(*new Ext2FSInode(const_cast<Ext2FS&>(*this), inode.index()));
memcpy(&new_inode->m_raw_inode, reinterpret_cast<ext2_inode*>(block.offset_pointer(offset)), inode_size());
memcpy(&new_inode->m_raw_inode, reinterpret_cast<ext2_inode*>(block.offset_pointer(offset)), sizeof(ext2_inode));
m_inode_cache.set(inode.index(), new_inode.copy_ref());
return new_inode;
}