On 10.05.2018 17:25, Andrey V. Elsukov wrote: > On 29.04.2018 21:30, Dries Michiels wrote: >> Dear mailing list, >> >> After upgrading my FreeBSD server from source from: >> FreeBSD 11.1-STABLE (VADOS) #9 r331859: Sun Apr 1 12:09:18 CEST 2018 >> to >> FreeBSD 11.2-PRERELEASE (VADOS) #10 r333091: Sun Apr 29 16:48:44 CEST 2018 >> >> My /var/log/messages is getting spammed by the following notice/error: >> Apr 29 19:51:42 vados kernel: in6_delayed_cksum: delayed m_pullup, m->len: >> 48 plen 68 off 56 csum_flags=400<CSUM_IP6_TCP> >> Apr 29 19:55:34 vados last message repeated 11 times >> Apr 29 20:11:56 vados last message repeated 10 times >> Apr 29 20:12:42 vados last message repeated 4 times >> >> Does anyone have a clue what this indicates? >> I did not have this message on my older system (r331859). > > Do you use pf(4) or ipsec(4)?
Also, can you try this patch? -- WBR, Andrey V. Elsukov
Index: sys/netinet6/ip6_output.c
===================================================================
--- sys/netinet6/ip6_output.c (revision 333456)
+++ sys/netinet6/ip6_output.c (working copy)
@@ -199,18 +199,10 @@ in6_delayed_cksum(struct mbuf *m, uint32_t plen, u
csum = 0xffff;
offset += m->m_pkthdr.csum_data; /* checksum offset */
- if (offset + sizeof(u_short) > m->m_len) {
- printf("%s: delayed m_pullup, m->len: %d plen %u off %u "
- "csum_flags=%b\n", __func__, m->m_len, plen, offset,
- (int)m->m_pkthdr.csum_flags, CSUM_BITS);
- /*
- * XXX this should not happen, but if it does, the correct
- * behavior may be to insert the checksum in the appropriate
- * next mbuf in the chain.
- */
- return;
- }
- *(u_short *)(m->m_data + offset) = csum;
+ if (offset + sizeof(csum) > m->m_len)
+ m_copyback(m, offset, sizeof(csum), &csum);
+ else
+ *(u_short *)mtodo(m, offset) = csum;
}
int
signature.asc
Description: OpenPGP digital signature
