| Message ID | 20210322002936.1352871-3-ztong0001@gmail.com (mailing list archive) |
|---|---|
| State | Deferred |
| Headers | show |
| Series | scsi: myrb: fix null-ptr-dereference issues | expand |
diff --git a/drivers/scsi/myrb.c b/drivers/scsi/myrb.c index ee33d97fb92c..7de49b869128 100644 --- a/drivers/scsi/myrb.c +++ b/drivers/scsi/myrb.c @@ -3512,6 +3512,7 @@ static struct myrb_hba *myrb_detect(struct pci_dev *pdev, shost->max_cmd_len = 12; shost->max_lun = 256; cb = shost_priv(shost); + cb->host = shost; mutex_init(&cb->dcmd_mutex); mutex_init(&cb->dma_mutex); cb->pdev = pdev;
cb->host should be initialized and set before it is used by the following probe logic and the interrupt handler etc. [ 5.073493] BUG: kernel NULL pointer dereference, address: 00000000000002cc [ 5.075907] RIP: 0010:kobject_put+0x25/0x120 [ 5.081572] Call Trace: [ 5.081720] myrb_probe.cold+0x22/0xabc [myrb] [ 5.083510] local_pci_probe+0x6f/0xb0 Fixes: 081ff398c56c ("scsi: myrb: Add Mylex RAID controller (block interface)") Signed-off-by: Tong Zhang <ztong0001@gmail.com> --- drivers/scsi/myrb.c | 1 + 1 file changed, 1 insertion(+)