Re: [PATCH] kyber: Fix crash in kyber_finish_request()

2020-09-08 Thread Jens Axboe
On 9/8/20 1:00 PM, Omar Sandoval wrote: > On Mon, Sep 07, 2020 at 10:41:16AM -0600, Jens Axboe wrote: >> CC Omar >> >> On 9/7/20 1:43 AM, Yang Yang wrote: >>> Kernel crash when requeue flush request. >>> It can be reproduced as below: >>> >>> [2.517297] Unable to handle kernel paging request

Re: [PATCH] kyber: Fix crash in kyber_finish_request()

2020-09-08 Thread Omar Sandoval
On Mon, Sep 07, 2020 at 10:41:16AM -0600, Jens Axboe wrote: > CC Omar > > On 9/7/20 1:43 AM, Yang Yang wrote: > > Kernel crash when requeue flush request. > > It can be reproduced as below: > > > > [2.517297] Unable to handle kernel paging request at virtual address > > ffd8071c0b00 > >

Re: [PATCH] kyber: Fix crash in kyber_finish_request()

2020-09-07 Thread Jens Axboe
CC Omar On 9/7/20 1:43 AM, Yang Yang wrote: > Kernel crash when requeue flush request. > It can be reproduced as below: > > [2.517297] Unable to handle kernel paging request at virtual address > ffd8071c0b00 > ... > [2.517468] pc : clear_bit+0x18/0x2c > [2.517502] lr :

[PATCH] kyber: Fix crash in kyber_finish_request()

2020-09-07 Thread Yang Yang
Kernel crash when requeue flush request. It can be reproduced as below: [2.517297] Unable to handle kernel paging request at virtual address ffd8071c0b00 ... [2.517468] pc : clear_bit+0x18/0x2c [2.517502] lr : sbitmap_queue_clear+0x40/0x228 [2.517503] sp : ff800832bc60