diff options
Diffstat (limited to 'sys/kern/uipc_ktls.c')
| -rw-r--r-- | sys/kern/uipc_ktls.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/sys/kern/uipc_ktls.c b/sys/kern/uipc_ktls.c index 35009ad77722..5f7d061bfb55 100644 --- a/sys/kern/uipc_ktls.c +++ b/sys/kern/uipc_ktls.c @@ -2419,8 +2419,10 @@ tls13_find_record_type(struct ktls_session *tls, struct mbuf *m, int tls_len, * Check if a mbuf chain is fully decrypted at the given offset and * length. Returns KTLS_MBUF_CRYPTO_ST_DECRYPTED if all data is * decrypted. KTLS_MBUF_CRYPTO_ST_MIXED if there is a mix of encrypted - * and decrypted data. Else KTLS_MBUF_CRYPTO_ST_ENCRYPTED if all data - * is encrypted. + * and decrypted data. KTLS_MBUF_CRYPTO_ST_ENCRYPTED if all data is + * encrypted. KTLS_MBUF_CRYPTO_ST_SHAREDMBUF if any mbuf points at + * shared data that must not be modified in place (non-anonymous + * M_EXTPG or sendfile M_EXT buffers). */ ktls_mbuf_crypto_st_t ktls_mbuf_crypto_state(struct mbuf *mb, int offset, int len) @@ -2436,6 +2438,13 @@ ktls_mbuf_crypto_state(struct mbuf *mb, int offset, int len) offset += len; for (; mb != NULL; mb = mb->m_next) { + if ((mb->m_flags & M_EXTPG) != 0 && + (mb->m_epg_flags & EPG_FLAG_ANON) == 0) + return (KTLS_MBUF_CRYPTO_ST_SHAREDMBUF); + if ((mb->m_flags & M_EXT) != 0 && + mb->m_ext.ext_type == EXT_SFBUF) + return (KTLS_MBUF_CRYPTO_ST_SHAREDMBUF); + m_flags_ored |= mb->m_flags; m_flags_anded &= mb->m_flags; @@ -2636,9 +2645,11 @@ ktls_decrypt(struct socket *so) record_type = hdr->tls_type; } break; - default: + case KTLS_MBUF_CRYPTO_ST_SHAREDMBUF: error = EINVAL; break; + default: + __assert_unreachable(); } if (error) { counter_u64_add(ktls_offload_failed_crypto, 1); |