From: Hillf Danton <hdanton@sina.com>
To: syzbot <syzbot+d863bc2d28ef7ff42984@syzkaller.appspotmail.com>
Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot] [bluetooth?] KASAN: slab-use-after-free Read in skb_release_head_state
Date: Wed, 1 May 2024 16:48:53 +0800 [thread overview]
Message-ID: <20240501084853.1748-1-hdanton@sina.com> (raw)
In-Reply-To: <0000000000006c25b806175ccab3@google.com>
On Tue, 30 Apr 2024 21:19:20 -0700
> syzbot has found a reproducer for the following issue on:
>
> HEAD commit: 50dffbf77180 Merge tag 'for-v6.9-rc' of git://git.kernel.o..
> git tree: upstream
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10ba57bb180000
#syz test https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 50dffbf77180
--- l/net/bluetooth/hci_request.c
+++ y/net/bluetooth/hci_request.c
@@ -181,7 +181,6 @@ int __hci_req_sync(struct hci_dev *hdev,
break;
}
- kfree_skb(hdev->req_skb);
hdev->req_skb = NULL;
hdev->req_status = hdev->req_result = 0;
--
next prev parent reply other threads:[~2024-05-01 8:48 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-22 6:47 syzbot
2024-05-01 4:19 ` syzbot
2024-05-01 8:48 ` Hillf Danton [this message]
2024-05-01 10:47 ` syzbot
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