[PATCH] fs: btrfs: Prevent error pointer dereference in list_subvolums()

Dan Carpenter dan.carpenter at linaro.org
Tue Aug 1 13:13:15 CEST 2023

On Tue, Aug 01, 2023 at 11:05:11AM +0200, Marek Behún wrote:
> nice catch :) Dan, I always wanted to ask, since I've seen many such
> "nice catches" over different subsystems from you. Do you write some
> tools to find these? Or do you use coccinelle, or something?

Thanks!  I'm using Smatch.


It's handy for me that u-boot and the Linux kernel have so much in
common and I can re-use a the kernel checks.  I had to make some changes
to Smatch to make it work but those are pushed now.

U-boot is something that Linaro cares about so if you have static
checker ideas then feel free to email the smatch mailing list.
smatch at vger.kernel.org

dan carpenter

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