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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 04.05.26 06:08, Eulgyu Kim wrote: >>> >>> Can you confirm that the below patch fixes the issue? >>> > > Hello, > > thanks for your reply. > > We have tested the patch, and our reproducer did not trigger any issue. > > As this issue was identified via fuzzing and we have limited background, > we find it challenging to provide further verification. > > At least for our specific test case, the issue seems to be resolved. > > We hope this testing feedback is helpful. Yes, it definitely is. Many thanks! We will discuss the best way to add the suggested locking to the code here on the linux-can mailing list and then send a patch having you in the Reported-by tag. Best regards, Oliver