Re: BUG: spinlock bad magic (2)

[santosh.shilimkar@xxxxxxxxxx]

On 1/30/18 2:28 PM, Eric Biggers wrote:
> On Mon, Dec 18, 2017 at 06:01:30PM +0100, 'Dmitry Vyukov' via syzkaller-bugs wrote:
> > On Mon, Dec 18, 2017 at 5:46 PM, Santosh Shilimkar
> > <santosh.shilimkar@xxxxxxxxxx> wrote:
> > > On 12/18/2017 4:36 AM, syzbot wrote:
> > > > Hello,
> > > >
> > > > syzkaller hit the following crash on
> > > > 6084b576dca2e898f5c101baef151f7bfdbb606d
> > > > git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
> > > > compiler: gcc (GCC) 7.1.1 20170620
> > > > .config is attached
> > > > Raw console output is attached.
> > > >
> > > > Unfortunately, I don't have any reproducer for this bug yet.
> > > [...]
> > >
> > > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
> > > > IP: rds_send_xmit+0x80/0x930 net/rds/send.c:186
> > >
> > >
> > > This one seems to be same bug as reported as below.
> > >
> > > BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit
> >
> > Hi Santosh,
> >
> > The proper syntax to tell syzbot about dups is this (from email footer):
> >
> > > See https://goo.gl/tpsmEJ for details.
> > > Please credit me with: Reported-by: syzbot <syzkaller@xxxxxxxxxxxxxxxx>
> > > syzbot will keep track of this bug report.
> > > To mark this as a duplicate of another syzbot report, please reply with:
> > > #syz dup: exact-subject-of-another-report
> > > Note: all commands must start from beginning of the line in the email body.
>
> #syz dup: BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit

Ok. Noted.