From: Steven Rostedt <rostedt@goodmis.org>
To: syzbot <syzbot+b2098bc44728a4efb3e9@syzkaller.appspotmail.com>
Cc: bsingharora@gmail.com, coreteam@netfilter.org,
davem@davemloft.net, dri-devel@lists.freedesktop.org,
duwe@suse.de, dvyukov@google.com, kaber@trash.net,
kadlec@blackhole.kfki.hu, linaro-mm-sig@lists.linaro.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
mingo@redhat.com, mpe@ellerman.id.au, netdev@vger.kernel.org,
netfilter-devel@vger.kernel.org, pablo@netfilter.org,
sumit.semwal@linaro.org, syzkaller-bugs@googlegroups.com
Subject: Re: memory leak in dma_buf_ioctl
Date: Thu, 25 Jul 2019 22:46:41 -0400 [thread overview]
Message-ID: <20190725224641.5d8baeb7@oasis.local.home> (raw)
In-Reply-To: <00000000000005dbbc058e8c608d@google.com>
On Thu, 25 Jul 2019 19:34:01 -0700
syzbot <syzbot+b2098bc44728a4efb3e9@syzkaller.appspotmail.com> wrote:
> syzbot has bisected this bug to:
>
> commit 04cf31a759ef575f750a63777cee95500e410994
> Author: Michael Ellerman <mpe@ellerman.id.au>
> Date: Thu Mar 24 11:04:01 2016 +0000
>
> ftrace: Make ftrace_location_range() global
It's sad that I have yet to find a single syzbot bisect useful. Really?
setting a function from static to global will cause a memory leak in a
completely unrelated area of the kernel?
I'm about to set these to my /dev/null folder.
-- Steve
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=154293f4600000
> start commit: abdfd52a Merge tag 'armsoc-defconfig' of git://git.kernel...
> git tree: upstream
> final crash: https://syzkaller.appspot.com/x/report.txt?x=174293f4600000
> console output: https://syzkaller.appspot.com/x/log.txt?x=134293f4600000
> kernel config: https://syzkaller.appspot.com/x/.config?x=d31de3d88059b7fa
> dashboard link: https://syzkaller.appspot.com/bug?extid=b2098bc44728a4efb3e9
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12526e58600000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=161784f0600000
>
> Reported-by: syzbot+b2098bc44728a4efb3e9@syzkaller.appspotmail.com
> Fixes: 04cf31a759ef ("ftrace: Make ftrace_location_range() global")
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection
prev parent reply other threads:[~2019-07-26 2:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <000000000000b68e04058e6a3421@google.com>
2019-07-26 2:34 ` memory leak in dma_buf_ioctl syzbot
2019-07-26 2:46 ` Steven Rostedt [this message]
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