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Kernel: Return early in create_inode if name is too long

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This commit is contained in:
Luke
2020-09-28 20:50:07 +01:00
committed by Andreas Kling
parent cfa5e6efe9
commit d79194d87f
Notes: sideshowbarker 2024-07-19 02:08:28 +09:00 
Author: https://github.com/Lubrsi
Commit: https://github.com/SerenityOS/serenity/commit/d79194d87f8
Pull-request: https://github.com/SerenityOS/serenity/pull/3635
Issue: https://github.com/SerenityOS/serenity/issues/3634
Reviewed-by: https://github.com/awesomekling
1 changed files with 3 additions and 0 deletions
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3
Kernel/FileSystem/Ext2FileSystem.cpp
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@@ -1445,6 +1445,9 @@ KResultOr<NonnullRefPtr<Inode>> Ext2FS::create_inode(InodeIdentifier parent_id,
if (static_cast<const Ext2FSInode&>(*parent_inode).m_raw_inode.i_links_count == 0)
return KResult(-ENOENT);
if (name.length() > EXT2_NAME_LEN)
return KResult(-ENAMETOOLONG);
#ifdef EXT2_DEBUG
dbg() << "Ext2FS: Adding inode '" << name << "' (mode " << String::format("%o", mode) << ") to parent directory " << parent_inode->identifier();
#endif