On Mon, Sep 10, 2018 at 10:02:38PM +0200, Ard Biesheuvel wrote:
> >> [146535.257274] tpm tpm0: A TPM error (379) occurred attempting get random
> >> [146535.257304] usercopy: Kernel memory exposure attempt detected from
> >> SLUB object 'kmalloc-64' (offset 0, size 379)!
>
> The TPM return code '
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On 10 September 2018 at 21:53, Theodore Y. Ts'o wrote:
> On Mon, Sep 10, 2018 at 08:08:51PM +0300, Meelis Roos wrote:
>> This is weekend's 4.19.0-rc2-00246-gd7b686ebf704 on a Thinkad T460s.
>> There seems to be a usercopy warning from rng_dev read (full dmesg
>> below).
>
> Looking at rng_dev_h
> > This is weekend's 4.19.0-rc2-00246-gd7b686ebf704 on a Thinkad T460s.
> > There seems to be a usercopy warning from rng_dev read (full dmesg
> > below).
>
> Looking at rng_dev_head(), which is in drivers/char/hw_random.c, it
> looks like this was probably caused by a problem in the specific
>
On Mon, Sep 10, 2018 at 08:08:51PM +0300, Meelis Roos wrote:
> This is weekend's 4.19.0-rc2-00246-gd7b686ebf704 on a Thinkad T460s.
> There seems to be a usercopy warning from rng_dev read (full dmesg
> below).
Looking at rng_dev_head(), which is in drivers/char/hw_random.c, it
looks like this w
