Re: [PATCH] scsi: scsi_dh_alua: Fix possible null-ptr-deref

From: Martin K. Petersen
Date: Wed May 29 2019 - 22:08:50 EST



YueHaibing,

> If alloc_workqueue fails in alua_init, it should return -ENOMEM,
> otherwise it will trigger null-ptr-deref while unloading module which
> calls destroy_workqueue dereference wq->lock like this:

Applied to 5.2/scsi-fixes. Thanks!

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Martin K. Petersen Oracle Linux Engineering