Messages in this thread | | | Date | Tue, 22 Nov 2022 12:12:23 -0800 | From | Jakub Kicinski <> | Subject | Re: [PATCH] mlx4: use snprintf() instead of sprintf() for safety |
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On Tue, 22 Nov 2022 16:48:15 +0200 Leon Romanovsky wrote: > On Tue, Nov 22, 2022 at 04:04:53PM +0300, Peter Kosyh wrote: > > Use snprintf() to avoid the potential buffer overflow. Although in the > > current code this is hardly possible, the safety is unclean. > > Let's fix the tools instead. The kernel code is correct.
I'm guessing the code is correct because port can't be a high value? Otherwise, if I'm counting right, large enough port representation (e.g. 99999999) could overflow the string. If that's the case - how would they "fix the tool" to know the port is always a single digit?
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