Re: BUG: spinlock bad magic (2)

From: Santosh Shilimkar
Date: Mon Dec 18 2017 - 11:46:38 EST


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