xfs_da_grow_inode_int(
	struct xfs_da_args	*args,
	xfs_fileoff_t		*bno,
	int			count)
{
	struct xfs_trans	*tp = args->trans;
	struct xfs_inode	*dp = args->dp;
	int			w = args->whichfork;
	xfs_drfsbno_t		nblks = dp->i_d.di_nblocks;
	struct xfs_bmbt_irec	map, *mapp;
	int			nmap, error, got, i, mapi;

	/*
	 * Find a spot in the file space to put the new block.
	 */
	error = xfs_bmap_first_unused(tp, dp, count, bno, w);
	if (error)
		return error;

	/*
	 * Try mapping it in one filesystem block.
	 */
	nmap = 1;
	ASSERT(args->firstblock != NULL);
	error = xfs_bmapi_write(tp, dp, *bno, count,
			xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA|XFS_BMAPI_CONTIG,
			args->firstblock, args->total, &map, &nmap,
			args->flist);
	if (error)
		return error;

	ASSERT(nmap <= 1);
	if (nmap == 1) {
		mapp = &map;
		mapi = 1;
	} else if (nmap == 0 && count > 1) {
		xfs_fileoff_t		b;
		int			c;

		/*
		 * If we didn't get it and the block might work if fragmented,
		 * try without the CONTIG flag.  Loop until we get it all.
		 */
		mapp = kmem_alloc(sizeof(*mapp) * count, KM_SLEEP);
		for (b = *bno, mapi = 0; b < *bno + count; ) {
			nmap = MIN(XFS_BMAP_MAX_NMAP, count);
			c = (int)(*bno + count - b);
			error = xfs_bmapi_write(tp, dp, b, c,
					xfs_bmapi_aflag(w)|XFS_BMAPI_METADATA,
					args->firstblock, args->total,
					&mapp[mapi], &nmap, args->flist);
			if (error)
				goto out_free_map;
			if (nmap < 1)
				break;
			mapi += nmap;
			b = mapp[mapi - 1].br_startoff +
			    mapp[mapi - 1].br_blockcount;
		}
	} else {
		mapi = 0;
		mapp = NULL;
	}

	/*
	 * Count the blocks we got, make sure it matches the total.
	 */
	for (i = 0, got = 0; i < mapi; i++)
		got += mapp[i].br_blockcount;
	if (got != count || mapp[0].br_startoff != *bno ||
	    mapp[mapi - 1].br_startoff + mapp[mapi - 1].br_blockcount !=
	    *bno + count) {
		error = XFS_ERROR(ENOSPC);
		goto out_free_map;
	}

	/* account for newly allocated blocks in reserved blocks total */
	args->total -= dp->i_d.di_nblocks - nblks;

out_free_map:
	if (mapp != &map)
		kmem_free(mapp);
	return error;
}

This vulnerability category highlights issues in resource management where failures to properly release memory, file handles, or other resources can degrade system performance or enable denial-of-service conditions.