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188f7e8a37
if a nvme command is issued with an opcode that is not supported by the target (example: opcode 21 - detach namespace), the target crashes due to a null pointer. nvmet_req_init() detects the bad opcode and immediately calls the nvme command done routine with an error status, allowing the transport to send the response. However, the FC transport was aborting the command on error, so the abort freed the lldd point, but the rsp transmit path referenced it psot the free. Fix by removing the abort call on nvmet_req_init() failure. The completion response will be sent with an error status code. As the completion path will terminate the io, ensure the data_sg lists show an unused state so that teardown paths are successful. Signed-off-by: Paul Ely <Paul.Ely@broadcom.com> Signed-off-by: James Smart <james.smart@broadcom.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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