linux-kernel - Re: Linux 5.4.179

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Date:   Fri, 11 Feb 2022 09:53:17 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc:     lwn@....net, jslaby@...e.cz,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.4.179

diff --git a/Makefile b/Makefile
index 6d33284664fe..5688e17a4436 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 178
+SUBLEVEL = 179
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
 
diff --git a/drivers/mmc/host/moxart-mmc.c b/drivers/mmc/host/moxart-mmc.c
index 5553a5643f40..5c81dc7371db 100644
--- a/drivers/mmc/host/moxart-mmc.c
+++ b/drivers/mmc/host/moxart-mmc.c
@@ -696,12 +696,12 @@ static int moxart_remove(struct platform_device *pdev)
 		if (!IS_ERR(host->dma_chan_rx))
 			dma_release_channel(host->dma_chan_rx);
 		mmc_remove_host(mmc);
-		mmc_free_host(mmc);
 
 		writel(0, host->base + REG_INTERRUPT_MASK);
 		writel(0, host->base + REG_POWER_CONTROL);
 		writel(readl(host->base + REG_CLOCK_CONTROL) | CLK_OFF,
 		       host->base + REG_CLOCK_CONTROL);
+		mmc_free_host(mmc);
 	}
 	return 0;
 }
diff --git a/net/tipc/link.c b/net/tipc/link.c
index f25010261a9e..8f2ee71c63c6 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1953,15 +1953,18 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
 	u16 peers_tol = msg_link_tolerance(hdr);
 	u16 peers_prio = msg_linkprio(hdr);
 	u16 rcv_nxt = l->rcv_nxt;
-	u16 dlen = msg_data_sz(hdr);
+	u32 dlen = msg_data_sz(hdr), glen = 0;
 	int mtyp = msg_type(hdr);
 	bool reply = msg_probe(hdr);
-	u16 glen = 0;
 	void *data;
 	char *if_name;
 	int rc = 0;
 
 	trace_tipc_proto_rcv(skb, false, l->name);
+
+	if (dlen > U16_MAX)
+		goto exit;
+
 	if (tipc_link_is_blocked(l) || !xmitq)
 		goto exit;
 
@@ -2063,7 +2066,8 @@ static int tipc_link_proto_rcv(struct tipc_link *l, struct sk_buff *skb,
 			if (glen != tipc_gap_ack_blks_sz(ga->gack_cnt))
 				ga = NULL;
 		}
-
+		if(glen > dlen)
+			break;
 		tipc_mon_rcv(l->net, data + glen, dlen - glen, l->addr,
 			     &l->mon_state, l->bearer_id);
 
diff --git a/net/tipc/monitor.c b/net/tipc/monitor.c
index 58708b4c7719..e7155a774300 100644
--- a/net/tipc/monitor.c
+++ b/net/tipc/monitor.c
@@ -457,6 +457,8 @@ void tipc_mon_rcv(struct net *net, void *data, u16 dlen, u32 addr,
 	state->probing = false;
 
 	/* Sanity check received domain record */
+	if (new_member_cnt > MAX_MON_DOMAIN)
+		return;
 	if (dlen < dom_rec_len(arrv_dom, 0))
 		return;
 	if (dlen != dom_rec_len(arrv_dom, new_member_cnt))