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From: syzbot <syzbot+9a4fbb77c9d4aacd3388@syzkaller.appspotmail.com>
To: linux-kernel@vger.kernel.org
Subject: Forwarded: [PATCH] net: core: fix KMSAN: unint value in tipc_rcv
Date: Fri, 21 Nov 2025 19:37:10 -0800	[thread overview]
Message-ID: <69212fe6.a70a0220.2ea503.0063.GAE@google.com> (raw)
In-Reply-To: <6880f58e.050a0220.248954.0001.GAE@google.com>

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***

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

#syz test

diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 76284fc538eb..1f2a939d341c 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);
+               memset(skb->data, 0, size);
                skb->next = NULL;
        }
        return skb;

      parent reply	other threads:[~2025-11-22  3:37 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-23 14:45 [syzbot] [tipc?] KMSAN: uninit-value in tipc_rcv (2) syzbot
2025-08-03  9:39 ` syzbot
2025-09-19 15:23 ` Forwarded: [PATCH net] net/core : fix KMSAN: uninit value in tipc_rcv syzbot
2025-09-20 17:01 ` Forwarded: [PATCH v2 " syzbot
2025-11-07  6:06 ` Forwarded: [PATCH] net: core: fix KMSAN: unint " syzbot
2025-11-07  7:15 ` syzbot
2025-11-07 10:19 ` syzbot
2025-11-18 12:37 ` syzbot
2025-11-22  3:37 ` syzbot [this message]

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