mtu = (mtu + esp->conf.padlen-1)&~(esp->conf.padlen-1); 
mtu = ALIGN(mtu, esp->conf.padlen); 
static u32 esp4_get_max_size(struct xfrm_state *x, int mtu){	struct esp_data *esp = x->data;	u32 blksize = crypto_tfm_alg_blocksize(esp->conf.tfm);	if (x->props.mode) {		mtu = (mtu + 2 + blksize-1)&~(blksize-1);	} else {		/* The worst case. */		mtu += 2 + blksize;	}	if (esp->conf.padlen)		mtu = (mtu + esp->conf.padlen-1)&~(esp->conf.padlen-1);	return mtu + x->props.header_len + esp->auth.icv_trunc_len;}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/a02a64223eddb410712b015fb3342c9a316ab70b/esp4.c/buggy/net/ipv4/esp4.c