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Fri, 19 Jun 2020 03:07:00 -0400 (EDT) Date: Fri, 19 Jun 2020 09:05:27 +0200 From: Greg KH To: syzbot Cc: andreyknvl@google.com, bp@alien8.de, devel@etsukata.com, hpa@zytor.com, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, viro@zeniv.linux.org.uk, x86@kernel.org Subject: Re: INFO: trying to register non-static key in is_dynamic_key Message-ID: <20200619070527.GA544353@kroah.com> References: <00000000000004a76305a8624d22@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00000000000004a76305a8624d22@google.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jun 18, 2020 at 02:17:15PM -0700, syzbot wrote: > Hello, > > syzbot found the following crash on: > > HEAD commit: b791d1bd Merge tag 'locking-kcsan-2020-06-11' of git://git.. > git tree: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing > console output: https://syzkaller.appspot.com/x/log.txt?x=13f305a9100000 > kernel config: https://syzkaller.appspot.com/x/.config?x=16c2467d4b6dbee2 > dashboard link: https://syzkaller.appspot.com/bug?extid=42bc0d31b9a21faebdf8 > compiler: gcc (GCC) 9.0.0 20181231 (experimental) > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=136ad566100000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10138f7a100000 > > IMPORTANT: if you fix the bug, please add the following tag to the commit: > Reported-by: syzbot+42bc0d31b9a21faebdf8@syzkaller.appspotmail.com > > INFO: trying to register non-static key. > the code is fine but needs lockdep annotation. Why is INFO: triggering syzbot?