linux-kernel - Forwarded: [PATCH] net: core: fix KMSAN: unint value in tipc

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Message-ID: <691c6878.a70a0220.3124cb.00c5.GAE@google.com>
Date: Tue, 18 Nov 2025 04:37:12 -0800
From: syzbot <syzbot+9a4fbb77c9d4aacd3388@...kaller.appspotmail.com>
To: linux-kernel@...r.kernel.org
Subject: Forwarded: [PATCH] net: core: fix KMSAN: unint value in tipc_rcv

For archival purposes, forwarding an incoming command email to
linux-kernel@...r.kernel.org.

***

Subject: [PATCH] net: core: fix KMSAN: unint value in tipc_rcv
Author: hariconscious@...il.com

#syz test

diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 76284fc538eb..ecfafb363a99 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -73,6 +73,7 @@ struct sk_buff *tipc_buf_acquire(u32 size, gfp_t gfp)
        if (skb) {
                skb_reserve(skb, BUF_HEADROOM);
                skb_put(skb, size);
+               skb_put_zero(skb, BUF_OVERHEAD + size);
                skb->next = NULL;
        }
        return skb;