Blame SOURCES/rpcbind-0.2.0-CVE20157236-memcorrup.patch
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diff -up rpcbind-0.2.0/src/rpcb_svc_com.c.orig rpcbind-0.2.0/src/rpcb_svc_com.c
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--- rpcbind-0.2.0/src/rpcb_svc_com.c.orig 2015-11-30 14:57:10.267576072 -0500
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+++ rpcbind-0.2.0/src/rpcb_svc_com.c 2015-11-30 14:59:06.305393416 -0500
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@@ -1204,12 +1204,33 @@ check_rmtcalls(struct pollfd *pfds, int
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return (ncallbacks_found);
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}
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+/*
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+ * This is really a helper function defined in libtirpc,
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+ * but unfortunately, it hasn't been exported yet.
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+ */
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+static struct netbuf *
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+__rpc_set_netbuf(struct netbuf *nb, const void *ptr, size_t len)
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+{
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+ if (nb->len != len) {
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+ if (nb->len)
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+ mem_free(nb->buf, nb->len);
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+ nb->buf = mem_alloc(len);
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+ if (nb->buf == NULL)
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+ return NULL;
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+
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+ nb->maxlen = nb->len = len;
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+ }
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+ memcpy(nb->buf, ptr, len);
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+ return nb;
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+}
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+
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static void
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xprt_set_caller(SVCXPRT *xprt, struct finfo *fi)
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{
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+ const struct netbuf *caller = fi->caller_addr;
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u_int32_t *xidp;
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- *(svc_getrpccaller(xprt)) = *(fi->caller_addr);
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+ __rpc_set_netbuf(svc_getrpccaller(xprt), caller->buf, caller->len);
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xidp = __rpcb_get_dg_xidp(xprt);
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*xidp = fi->caller_xid;
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}
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