[bug report] nvme_auth: kmemleak observed with blktests nvme/tcp nvme/062

Hannes Reinecke hare at suse.de
Thu Apr 24 08:15:02 PDT 2025


On 4/24/25 16:14, Maurizio Lombardi wrote:
> On Thu Apr 24, 2025 at 2:53 PM CEST, Yi Zhang wrote:
>> Hi
>> I found this kmemleak when running the blktests on the latest
>> linux-block/for-next, please help check it and let me know if you need
>> any test/info for it, thanks.
> 
> I believe the issue lies in the nvmet_auth_insert_psk() function.
> The tls_psk  pointer is allocated but only freed in case of an error,
> unlike in nvme_auth_secure_concat(), where it is always properly deallocated.
> 
No, it's an issue with the kernel config; we don't free the key if TLS 
is disabled.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                  Kernel Storage Architect
hare at suse.de                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
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