linux-kernel - Re: drivers/pinctrl/qcom/pinctrl-lpass-lpi.c:458 lpi_config_set() error: uninitialized symbol 'strength'.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210302162805.GV2222@kadam>
Date:   Tue, 2 Mar 2021 19:28:05 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        kbuild@...ts.01.org, kbuild test robot <lkp@...el.com>,
        kbuild-all@...ts.01.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Subject: Re: drivers/pinctrl/qcom/pinctrl-lpass-lpi.c:458 lpi_config_set()
 error: uninitialized symbol 'strength'.

On Tue, Mar 02, 2021 at 04:47:01PM +0100, Linus Walleij wrote:
> On Sat, Feb 27, 2021 at 10:22 AM Dan Carpenter <dan.carpenter@...cle.com> wrote:
> 
> > New smatch warnings:
> > drivers/pinctrl/qcom/pinctrl-lpass-lpi.c:458 lpi_config_set() error: uninitialized symbol 'strength'.
> >
> > Old smatch warnings:
> > drivers/pinctrl/qcom/pinctrl-lpass-lpi.c:457 lpi_config_set() error: uninitialized symbol 'pullup'.
> 
> I don't think these are real problems, but maybe there is some way to explicitly
> express that so that smatch knows as well?

They will call syzbot warning at runtime as well.  Syzbot complains
about the read, and not that the value is important for flow analysis.

regards,
dan carpenter