On Thu, Jun 4, 2020 at 5:57 PM Kees Cook wrote:
>
> On Thu, Jun 04, 2020 at 10:42:45AM +0200, gli...@google.com wrote:
> > Under certain circumstances (we found this out running Docker on a
> > Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
> > return uninitialized value of
On Thu, Jun 4, 2020 at 5:57 PM Kees Cook wrote:
>
> On Thu, Jun 04, 2020 at 10:42:45AM +0200, gli...@google.com wrote:
> > Under certain circumstances (we found this out running Docker on a
> > Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
> > return uninitialized value of
On Thu, Jun 04, 2020 at 10:57:24AM +0200, Miklos Szeredi wrote:
> On Thu, Jun 4, 2020 at 10:43 AM wrote:
> >
> > Under certain circumstances (we found this out running Docker on a
> > Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
> > return uninitialized value of |error|
On Thu, Jun 04, 2020 at 10:42:45AM +0200, gli...@google.com wrote:
> Under certain circumstances (we found this out running Docker on a
> Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
> return uninitialized value of |error| from ovl_copy_xattr().
> It is then returned by
On Thu, Jun 4, 2020 at 10:43 AM wrote:
>
> Under certain circumstances (we found this out running Docker on a
> Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
> return uninitialized value of |error| from ovl_copy_xattr().
> It is then returned by ovl_create() to
Under certain circumstances (we found this out running Docker on a
Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
return uninitialized value of |error| from ovl_copy_xattr().
It is then returned by ovl_create() to lookup_open(), which casts it to
an invalid dentry pointer,
On Wed, Jun 3, 2020 at 11:46 PM Vivek Goyal wrote:
>
> On Wed, Jun 03, 2020 at 07:47:14PM +0200, gli...@google.com wrote:
> > Under certain circumstances (we found this out running Docker on a
> > Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
> > return uninitialized value
On Wed, Jun 03, 2020 at 07:47:14PM +0200, gli...@google.com wrote:
> Under certain circumstances (we found this out running Docker on a
> Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
> return uninitialized value of |error| from ovl_copy_xattr().
If we are returning
On Wed, Jun 03, 2020 at 07:47:14PM +0200, gli...@google.com wrote:
> Under certain circumstances (we found this out running Docker on a
> Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
> return uninitialized value of |error| from ovl_copy_xattr().
> It is then returned by
Under certain circumstances (we found this out running Docker on a
Clang-built kernel with CONFIG_INIT_STACK_ALL) ovl_copy_xattr() may
return uninitialized value of |error| from ovl_copy_xattr().
It is then returned by ovl_create() to lookup_open(), which casts it to
an invalid dentry pointer,
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