From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+b4d960daf7a3c7c2b7b1@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [kvm?] [net?] [virt?] WARNING in virtio_transport_send_pkt_info
Date: Wed, 13 Aug 2025 20:41:44 +0800 [thread overview]
Message-ID: <20250813124145.4469-1-hdanton@sina.com> (raw)
In-Reply-To: <689a3d92.050a0220.7f033.00ff.GAE@google.com>
> Date: Mon, 11 Aug 2025 11:59:30 -0700 [thread overview]
> Hello,
>
> syzbot found the following issue on:
>
> HEAD commit: 37816488247d Merge tag 'net-6.17-rc1' of git://git.kernel...
> git tree: upstream
> console output: https://syzkaller.appspot.com/x/log.txt?x=10b3b2f0580000
> kernel config: https://syzkaller.appspot.com/x/.config?x=e143c1cd9dadd720
> dashboard link: https://syzkaller.appspot.com/bug?extid=b4d960daf7a3c7c2b7b1
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10f0f042580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14855434580000
#syz test
--- x/net/vmw_vsock/virtio_transport_common.c
+++ y/net/vmw_vsock/virtio_transport_common.c
@@ -258,9 +258,7 @@ static struct sk_buff *virtio_transport_
size_t skb_len;
skb_len = VIRTIO_VSOCK_SKB_HEADROOM;
-
- if (!zcopy)
- skb_len += payload_len;
+ skb_len += payload_len;
skb = virtio_vsock_alloc_skb(skb_len, GFP_KERNEL);
if (!skb)
--
next prev parent reply other threads:[~2025-08-13 12:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-11 18:59 syzbot
2025-08-12 8:39 ` Forwarded: " syzbot
2025-08-12 9:26 ` Michael S. Tsirkin
2025-08-12 9:48 ` syzbot
2025-08-12 9:27 ` Michael S. Tsirkin
2025-08-12 10:03 ` syzbot
2025-08-12 10:15 ` Michael S. Tsirkin
2025-08-15 10:09 ` Will Deacon
2025-08-15 10:44 ` Michael S. Tsirkin
2025-08-15 12:00 ` Will Deacon
2025-08-15 15:48 ` Will Deacon
2025-08-16 0:08 ` Hillf Danton
2025-08-16 0:30 ` syzbot
2025-08-16 10:34 ` Michael S. Tsirkin
2025-08-18 14:52 ` Will Deacon
2025-08-13 12:41 ` Hillf Danton [this message]
2025-08-13 13:03 ` syzbot
2025-08-13 15:43 ` Forwarded: " syzbot
2025-08-13 16:31 ` syzbot
[not found] <20250812040733-mutt-send-email-mst@kernel.org>
2025-08-12 8:55 ` syzbot
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