Re: BUG: spinlock bad magic (2)

2018-01-30 Thread santosh.shilim...@oracle.com 



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
 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 0028
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 
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.

Re: BUG: spinlock bad magic (2)

2018-01-30 Thread Eric Biggers 
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
>  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 0028
> >> 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 
> > 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

Re: BUG: spinlock bad magic (2)

2017-12-18 Thread Dmitry Vyukov 
On Mon, Dec 18, 2017 at 5:46 PM, Santosh Shilimkar
 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 0028
>> 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 
> 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.

Re: BUG: spinlock bad magic (2)

2017-12-18 Thread Santosh Shilimkar 

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 0028
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