Re: [PATCH][next] ovl: fix null pointer dereference on null stack pointer on error return

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On Wed, Jun 3, 2020 at 7:15 PM Colin Ian King <colin.king@xxxxxxxxxxxxx> wrote:
>
> On 03/06/2020 17:11, Amir Goldstein wrote:
> > On Wed, Jun 3, 2020 at 6:46 PM Colin King <colin.king@xxxxxxxxxxxxx> wrote:
> >>
> >> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> >>
> >> There are two error return paths where the call to path_put is
> >> dereferencing the null pointer 'stack'.  Fix this by avoiding the
> >> error exit path via label 'out_err' that will lead to the path_put
> >> calls and instead just return the error code directly.
> >>
> >> Addresses-Coverity: ("Dereference after null check)"
> >> Fixes: 4155c10a0309 ("ovl: clean up getting lower layers")
> >> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> >
> >
> > Which branch is that based on?
> > Doesn't seem to apply to master nor next
>
> It was based on today's linux-next

Oh, I'm behind.
Sorry for the noise.

Thanks,
Amir.



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