unsigned int skb_find_text(struct sk_buff *skb, unsigned int from,
unsigned int to, struct ts_config *config)
{
+ unsigned int patlen = config->ops->get_pattern_len(config);
struct ts_state state;
unsigned int ret;
skb_prepare_seq_read(skb, from, to, TS_SKB_CB(&state));
ret = textsearch_find(config, &state);
- return (ret <= to - from ? ret : UINT_MAX);
+ return (ret + patlen <= to - from ? ret : UINT_MAX);
}
EXPORT_SYMBOL(skb_find_text);
/* GSO partial only requires that we trim off any excess that
* doesn't fit into an MSS sized block, so take care of that
* now.
+ * Cap len to not accidentally hit GSO_BY_FRAGS.
*/
- partial_segs = len / mss;
+ partial_segs = min(len, GSO_BY_FRAGS - 1U) / mss;
if (partial_segs > 1)
mss *= partial_segs;
else
static void skb_extensions_init(void)
{
BUILD_BUG_ON(SKB_EXT_NUM >= 8);
+#if !IS_ENABLED(CONFIG_KCOV_INSTRUMENT_ALL)
BUILD_BUG_ON(skb_ext_total_length() > 255);
+#endif
skbuff_ext_cache = kmem_cache_create("skbuff_ext_cache",
SKB_EXT_ALIGN_VALUE * skb_ext_total_length(),