On Mon, 06 Nov 2023 15:51:17 +0800, peter.wang@xxxxxxxxxxxx wrote:
> If command timeout happen and cq complete irq raise at the same time,
> ufshcd_mcq_abort null the lprb->cmd and NULL poiner KE in ISR.
> Below is error log.
>
> ufshcd_abort: Device abort task at tag 18
> Unable to handle kernel NULL pointer dereference at virtual address
> 0000000000000108
> pc : [0xffffffe27ef867ac] scsi_dma_unmap+0xc/0x44
> lr : [0xffffffe27f1b898c] ufshcd_release_scsi_cmd+0x24/0x114
>
> [...]
Applied to 6.7/scsi-fixes, thanks!
[1/1] ufs: core: fix racing issue between ufshcd_mcq_abort and ISR
https://git.kernel.org/mkp/scsi/c/27900d7119c4
--
Martin K. Petersen Oracle Linux Engineering
