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Message-ID: <20151005161332.GA11063@gmail.com> Date: Mon, 5 Oct 2015 18:13:32 +0200 From: Ingo Molnar <mingo@...nel.org> To: Alexey Dobriyan <adobriyan@...il.com> Cc: cmetcalf@...hip.com, Linux Kernel <linux-kernel@...r.kernel.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com>, Borislav Petkov <bp@...en8.de> Subject: Re: [PATCH] string: Improve the generic strlcpy() implementation * Ingo Molnar <mingo@...nel.org> wrote: > > * Alexey Dobriyan <adobriyan@...il.com> wrote: > > > I want to say two things: > > > > 1) strlcpy race > > > > > * In addition, the implementation is robust to the string changing out > > > * from underneath it, unlike the current strlcpy() implementation. > > > > Canonical OpenBSD version does byte-by-byte copying, > > this race is purely Linux invention. > > > > 2) strscpy() will copy garbage past NUL from source into destination. > > It won't fault but still, who knows what lies after string. > > So I think your argument is nonsense on several levels: Oh, you are right strscpy() - I mis-read your mail. So the argument that is nonsensical here is mine! Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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