Re: [PATCH v3] scsi: sg: Avoid sg device teardown race

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On 3/20/24 14:30, Alexander Wetzel wrote:
sg_remove_sfp_usercontext() must not use sg_device_destroy() after
calling scsi_device_put().

sg_device_destroy() is accessing the parent scsi device request_queue.
Which will already be set to NULL when the preceding call to
scsi_device_put() removed the last reference to the parent scsi device.

The resulting NULL pointer exception will then crash the kernel.

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>




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