kernel null pointer at nvme_tcp_init_iter+0x7d/0xd0 [nvme_tcp]

[Keith Busch]

On Wed, Feb 10, 2021 at 10:51:56AM +0800, Yi Zhang wrote:
> On 2/10/21 2:01 AM, Sagi Grimberg wrote:
> So it's nvme_admin_abort_cmd here

The opcode 8 would be abort if this were an admin command, but we can't
tell that from the nvme print. The subsequent blk_update_request log
indicates this is the IO command for a Write Zeroes operation.
 
> [   75.235059] nvme_tcp: rq 38 opcode 8
> [   75.238653] blk_update_request: I/O error, dev nvme0c0n1, sector 1048624 op 0x9:(WRITE_ZEROES) flags 0x2800800 phys_seg 0 prio class 0