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Groups > linux.kernel > #1609423
| From | Haiyang Zhang <haiyangz@microsoft.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | RE: [PATCH] netvsc: fix dereference before null check errors |
| Date | 2017-03-27 03:00 +0200 |
| Message-ID | <tpraO-86m-9@gated-at.bofh.it> (permalink) |
| References | <toURz-1ZJ-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> -----Original Message-----
> From: Colin King [mailto:colin.king@canonical.com]
> Sent: Saturday, March 25, 2017 10:27 AM
> To: KY Srinivasan <kys@microsoft.com>; Haiyang Zhang
> <haiyangz@microsoft.com>; Stephen Hemminger <sthemmin@microsoft.com>;
> devel@linuxdriverproject.org; netdev@vger.kernel.org
> Cc: kernel-janitors@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: [PATCH] netvsc: fix dereference before null check errors
>
> From: Colin Ian King <colin.king@canonical.com>
>
> ndev is being checked to see if it is a null pointer however before
> the null check ndev is being dereferenced; hence there is a potential
> null pointer dereference bug that needs fixing. Fix this by only
> dereferencing ndev after the null check.
>
> Detected by CoverityScan, CID#1420760, CID#140761 ("Dereference
> before null check")
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Thank you!
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[PATCH] netvsc: fix dereference before null check errors Colin King <colin.king@canonical.com> - 2017-03-25 15:30 +0100 RE: [PATCH] netvsc: fix dereference before null check errors Haiyang Zhang <haiyangz@microsoft.com> - 2017-03-27 03:00 +0200
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