Messages in this thread | | | Subject | Re: [PATCH net] dccp: check for ccid in ccid_hc_tx_send_packet | From | Paolo Abeni <> | Date | Thu, 02 Nov 2023 12:14:53 +0100 |
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On Sat, 2023-10-28 at 20:11 +0530, Bragatheswaran Manickavel wrote: > ccid_hc_tx_send_packet might be called with a NULL ccid pointer > leading to a NULL pointer dereference
You should describe how such event could happen.
> Below mentioned commit has similarly changes > commit 276bdb82dedb ("dccp: check ccid before dereferencing") > > Reported-by: syzbot+c71bc336c5061153b502@syzkaller.appspotmail.com > Closes: https://syzkaller.appspot.com/bug?extid=c71bc336c5061153b502
and add a suitable fixes here.
(beyond taking care of other critical code paths, as reported by Eric).
Thanks!
Paolo
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