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authorscottl <scottl@FreeBSD.org>2003-07-26 07:23:24 +0000
committerscottl <scottl@FreeBSD.org>2003-07-26 07:23:24 +0000
commitd7b9b072229d3fa7d46917b9a76d1e70a60362d1 (patch)
tree9bbbc04e2d34587e5e951ada2be11a52a0fbb5ae /sys
parent79fc7c81b12392575c9fde30a22de953f1a8f95b (diff)
downloadFreeBSD-src-d7b9b072229d3fa7d46917b9a76d1e70a60362d1.zip
FreeBSD-src-d7b9b072229d3fa7d46917b9a76d1e70a60362d1.tar.gz
Guard against MLEN growing larger than a uint8_t due to MSIZE grwoing to a
value of 512 in LINT. This keeps gcc from complaining.
Diffstat (limited to 'sys')
-rw-r--r--sys/kern/uipc_sockbuf.c2
-rw-r--r--sys/kern/uipc_socket2.c2
-rw-r--r--sys/kern/vfs_export.c2
3 files changed, 6 insertions, 0 deletions
diff --git a/sys/kern/uipc_sockbuf.c b/sys/kern/uipc_sockbuf.c
index b0d366a..6feeb91 100644
--- a/sys/kern/uipc_sockbuf.c
+++ b/sys/kern/uipc_sockbuf.c
@@ -626,8 +626,10 @@ sbappendaddr(sb, asa, m0, control)
space += m_length(control, &n);
if (space > sbspace(sb))
return (0);
+#if MSIZE <= 256
if (asa->sa_len > MLEN)
return (0);
+#endif
MGET(m, M_DONTWAIT, MT_SONAME);
if (m == 0)
return (0);
diff --git a/sys/kern/uipc_socket2.c b/sys/kern/uipc_socket2.c
index b0d366a..6feeb91 100644
--- a/sys/kern/uipc_socket2.c
+++ b/sys/kern/uipc_socket2.c
@@ -626,8 +626,10 @@ sbappendaddr(sb, asa, m0, control)
space += m_length(control, &n);
if (space > sbspace(sb))
return (0);
+#if MSIZE <= 256
if (asa->sa_len > MLEN)
return (0);
+#endif
MGET(m, M_DONTWAIT, MT_SONAME);
if (m == 0)
return (0);
diff --git a/sys/kern/vfs_export.c b/sys/kern/vfs_export.c
index b1a536b..7609ac0 100644
--- a/sys/kern/vfs_export.c
+++ b/sys/kern/vfs_export.c
@@ -120,8 +120,10 @@ vfs_hang_addrlist(mp, nep, argp)
return (0);
}
+#if MSIZE <= 256
if (argp->ex_addrlen > MLEN)
return (EINVAL);
+#endif
i = sizeof(struct netcred) + argp->ex_addrlen + argp->ex_masklen;
np = (struct netcred *) malloc(i, M_NETADDR, M_WAITOK | M_ZERO);
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