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Code Issues Releases Activity

allow more than MLEN bytes for ancillary data to meet the

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requirement of Section 20.1 of RFC3542.

Obtained from:	KAME
MFC after:	1 week
This commit is contained in:
Hajimu UMEMOTO 2004-06-07 09:59:50 +00:00
parent cad1917d48
commit 7a1a900c65
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=130184
1 changed files with 9 additions and 1 deletions
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10
sys/kern/uipc_syscalls.c
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@ -1574,11 +1574,19 @@ sockargs(mp, buf, buflen, type)
buflen = MLEN; /* unix domain compat. hack */
else
#endif
return (EINVAL);
if ((u_int)buflen > MCLBYTES)
return (EINVAL);
}
m = m_get(M_TRYWAIT, type);
if (m == NULL)
return (ENOBUFS);
if ((u_int)buflen > MLEN) {
MCLGET(m, M_TRYWAIT);
if ((m->m_flags & M_EXT) == 0) {
m_free(m);
return (ENOBUFS);
}
}
m->m_len = buflen;
error = copyin(buf, mtod(m, caddr_t), (u_int)buflen);
if (error)