linux-kernel - Re: [stable-rc-5.4 and 5.5 ] WARNING: CPU: 3 PID: 2548 at /usr/src/kernel/lib/refcount.c:28 refcount_warn

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Message-ID: <20200317082910.GB1063543@kroah.com>
Date:   Tue, 17 Mar 2020 09:29:10 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     linux- stable <stable@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>,
        Christian Brauner <christian.brauner@...ntu.com>,
        open list <linux-kernel@...r.kernel.org>,
        John Stultz <john.stultz@...aro.org>,
        Todd Kjos <tkjos@...gle.com>, Shuah Khan <shuah@...nel.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>, tkjos@...roid.com,
        ardb@...nel.org, Kees Cook <keescook@...omium.org>,
        lkft-triage@...ts.linaro.org, Basil Eljuse <Basil.Eljuse@....com>,
        YongQin Liu <yongqin.liu@...aro.org>
Subject: Re: [stable-rc-5.4 and 5.5 ] WARNING: CPU: 3 PID: 2548 at
 /usr/src/kernel/lib/refcount.c:28 refcount_warn_saturate

On Tue, Mar 17, 2020 at 01:15:40PM +0530, Naresh Kamboju wrote:
> While running selftests binderfs_test on stable rc 5.4 and 5.5
> branches the following
> warning on arm64, arm, x86_64 and i386.
> 
> This warning was noticed on Linus's tree and reported [1] and then
> Christian Brauner investigated this problem.
> 
> FYI, We are running selftests source from stable rc 5.5 branch.

There is a fix in my tree that will go to Linus for this this week.

thanks,

greg k-h