Messages in this thread | | | From | Sudip Mukherjee <> | Date | Mon, 8 Oct 2018 21:01:13 +0100 | Subject | Re: [PATCH] usbip: vhci_hcd: check port number before using |
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On Mon, Oct 8, 2018 at 8:29 PM Shuah Khan <shuah@kernel.org> wrote: > > Hi Sudip, > > On 10/08/2018 01:19 PM, Sudip Mukherjee wrote: > > From: Sudip Mukherjee <sudipm.mukherjee@gmail.com> > > > > The port number is checked and it just prints an error message but it > > still continues to use the invalid port. And as a result it accesses > > memory which is not its resulting in BUG report from KASAN. > > Yes there is an issue with out of bounds access. But this isn't the > right fix. > > > > > Reported-by: syzbot+600b03e0cf1b73bb23c4@syzkaller.appspotmail.com > > Cc: stable <stable@vger.kernel.org> > > Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com> > > I sent in a fix for this last Friday. > > https://patchwork.kernel.org/patch/10628833/
And I can confirm this patch also fixes the issue tested with the reproducer I was using in my vm.
-- Regards Sudip
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