On Sat, Feb 04, 2017 at 11:47:38AM +0800, Yisheng Xie wrote:
> On 2016/10/18 1:06, Andy Lutomirski wrote:
> > hw_random carefully avoids using a stack buffer except in
> > add_early_randomness(). This causes a crash in virtio_rng if
> > CONFIG_VMAP_STACK=y.
> I try to understand this patch, but I
With VMAP_STACK=y and HW_RANDOM_VIRTIO=y, I get the following crash:
[1.470437] BUG: unable to handle kernel NULL pointer dereference at (null)
[1.473350] IP: [] sg_init_one+0x65/0x90
[1.474658] PGD 0
[1.475169] Oops: [#1] SMP
Entering kdb (current=0x880069b0c980, pid
t purpose
of virt_to_page().
This boots on the VM from which I had grabbed the stack trace yesterday.
Tested-by: Matt Mullins <mmull...@mmlx.us>
Looks like an extra quote snuck in your To: line, so I'm not sure if this was
distributed as widely as you intended.
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