From: Anthoine Bourgeois
The function scsi_device_dev_release_usercontext calls blk_put_queue
with request_queue then set request_queue to NULL. If the function
scsi_device_dev_release_usercontext is racy then the next call to
blk_put_queue will trigger the NULL pointer dereference below.
As the
Hello Praveen Madhavan,
The patch 216ce69c7ff5: "csiostor:T5 Firmware fix and cleanup." from
Jan 27, 2015, leads to the following static checker warning:
drivers/scsi/csiostor/csio_hw.c:2006 csio_hw_use_fwconfig()
warn: was negative '-ENOENT' intended?
drivers/scsi/csiost
--
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Hi Jens,
Dne 23.5.2018 v 16:42 Jens Axboe napsal(a):
> On 5/23/18 3:19 AM, Maurizio Lombardi wrote:
>>
>>
>> Dne 22.5.2018 v 16:47 Jens Axboe napsal(a):
>>> It's been many years, but back in the day the program writing the cd
>>> would eject the disc once done. This of course forces a reload of
>>
On Wed, 2018-06-20 at 11:57 +0200, anthoine.bourge...@gmail.com wrote:
> The function scsi_device_dev_release_usercontext calls blk_put_queue
> with request_queue then set request_queue to NULL. If the function
> scsi_device_dev_release_usercontext is racy then the next call to
> blk_put_queue will
https://bugzilla.kernel.org/show_bug.cgi?id=199887
--- Comment #1 from Jur van der Burg (j...@avtware.com) ---
I have some more info.
First of all, the problem started with kernel V4.11, most likely this commit:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=726b85
On 6/20/18 5:52 AM, Maurizio Lombardi wrote:
> Hi Jens,
>
> Dne 23.5.2018 v 16:42 Jens Axboe napsal(a):
>> On 5/23/18 3:19 AM, Maurizio Lombardi wrote:
>>>
>>>
>>> Dne 22.5.2018 v 16:47 Jens Axboe napsal(a):
It's been many years, but back in the day the program writing the cd
would eject
On Wed, Jun 20, 2018 at 01:50:38PM +, Bart Van Assche wrote:
On Wed, 2018-06-20 at 11:57 +0200, anthoine.bourge...@gmail.com wrote:
The function scsi_device_dev_release_usercontext calls blk_put_queue
with request_queue then set request_queue to NULL. If the function
scsi_device_dev_release_
On Wed, 2018-06-20 at 18:58 +0200, Anthoine Bourgeois wrote:
> On Wed, Jun 20, 2018 at 01:50:38PM +, Bart Van Assche wrote:
> > On Wed, 2018-06-20 at 11:57 +0200, anthoine.bourge...@gmail.com wrote:
> > > The function scsi_device_dev_release_usercontext calls blk_put_queue
> > > with request_qu
On Wed, 2018-06-20 at 09:18 +0530, Chaitra Basappa wrote:
> We have tried with calling scsi_internal_device_block_nowait() API before
> doing IOC reset (i.e. host reset) and called
> scsi_internal_device_unblock_nowait() after performing IOC reset.
> We have tested this code change with various tes
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