Re: [PATCH v6 20/37] cxlflash: Fix to prevent workq from accessing freed memory

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 21.10.2015 22:14, Matthew R. Ochs wrote:
> The workq can process work in parallel with a remove event, leading
> to a condition where the workq handler can access freed memory.
>
> To remedy, the workq should be terminated prior to freeing memory. Move
> the termination call earlier in remove and use cancel_work_sync() instead
> of flush_work() as there is not a need to process any scheduled work when
> shutting down.
>
> Signed-off-by: Matthew R. Ochs <mrochs@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Manoj N. Kumar <manoj@xxxxxxxxxxxxxxxxxx>
> Reviewed-by: Brian King <brking@xxxxxxxxxxxxxxxxxx>

Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>

Tomas

--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux