Messages in this thread | | | From | Ajay Garg <> | Date | Wed, 10 Nov 2021 14:27:36 +0530 | Subject | Re: [PATCH] tty: vt: keyboard: do not copy an extra-byte in copy_to_user |
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> > Ajay wants to be safe and he thinks, that relying on fact, that > strlen(func_table[kb_func]) < sizeof(user_kdgkb->kb_string) is not good > approach, since it's external for vt_do_kdgkb_ioctl. (I hope, I've > explained his idea in the right way) >
That's right Pavel. Every function must work correctly as it "advertises", instead of relying on "chancy correctness" of the calls leading to the method.
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