From mboxrd@z Thu Jan 1 00:00:00 1970 From: "santosh.shilimkar-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org" Subject: Re: BUG: spinlock bad magic (2) Date: Tue, 30 Jan 2018 19:49:51 -0800 Message-ID: <24ea899d-d541-0274-c5bf-8a6e35473ca5@oracle.com> References: <001a113fae28c2fd6605609c97a2@google.com> <6dbd4f85-f3f2-97f3-5b82-451276fbf877@oracle.com> <20180130222811.yxfiqnlx3la3vyyw@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Cc: syzbot , David Miller , LKML , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev , rds-devel-N0ozoZBvEnrZJqsBc5GL+g@public.gmane.org, syzkaller-bugs-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org To: Eric Biggers , Dmitry Vyukov Return-path: In-Reply-To: <20180130222811.yxfiqnlx3la3vyyw-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Content-Language: en-US Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org 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 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 >>> 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. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html