Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1609423

RE: [PATCH] netvsc: fix dereference before null check errors

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

Show all headers | View raw



> -----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!

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

[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

csiph-web