Re: [RFC PATCH] check_freeing_devm: Also track erroneous usage of kfree when the pointer has been re-assigned

Le 26/05/2022 à 14:00, Dan Carpenter a écrit :
> On Thu, May 26, 2022 at 01:40:51PM +0200, Marion & Christophe JAILLET wrote:
>> Le 26/05/2022 à 13:07, Dan Carpenter a écrit :
>>> On Thu, May 26, 2022 at 12:30:05PM +0200, Christophe JAILLET wrote:
>>>> Le 26/05/2022 à 11:51, Dan Carpenter a écrit :
>>>>>> All I know is that it seams to work for me, even if it has not detected any
>>>>>> issue yet :) (compiling takes SO MUCH time on my machine)
>>>>> Yeah. :/  How big is your smatch_db.sqlite file?
>>>> I don't use any up-to-now.
>>> Basically all my changes are targetted at making the smatch_db.sqlite
>>> file smaller so they won't help you.  Are you at least doing a parallel
>>> build?  The smatch_scripts/test_kernel.sh script does a make -j${NR_CPU}.
>> Yep.
>>
>> I've also tweaked smatch_scripts/kchecker which doesn't have any -j, IIUC.
> Normally, I only use kchecker on one file...  The problem with doing
> parallel builds is that you have to print the warnings to a file instead
> of to stdout.

smatch.txt:

You can also build a directory like this:

     ~/progs/smatch/devel/smatch_scripts/kchecker drivers/whatever/

and up no now, it is mostly the wayIi use it, :)


CJ


> regards,
> dan carpenter
>