| To: | James Morris <jmorris@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [CRYPTO] Fix stack overrun in crypt() |
| From: | Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> |
| Date: | Sat, 17 Jul 2004 19:48:29 +1000 |
| Cc: | "David S. Miller" <davem@xxxxxxxxxx>, netdev@xxxxxxxxxxx |
| In-reply-to: | <20040717074319.GA18919@xxxxxxxxxxxxxxxxxxx> |
| References: | <20040715114840.GA1325@xxxxxxxxxxxxxxxxxxx> <Pine.LNX.4.58.0407161126350.13406@xxxxxxxxxxxxxxxxxxxxxxxx> <20040717074319.GA18919@xxxxxxxxxxxxxxxxxxx> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
| User-agent: | Mutt/1.5.6+20040523i |
On Sat, Jul 17, 2004 at 05:43:19PM +1000, herbert wrote: > > Unfortunately it looks like we still have a problem. gcc 3.3.4 appears > to be generating incorrect output on i386 with the dynamic stack > allocation used in crypt() and the functions around it. > > In particular, it can give you 8 bytes when you ask for 16 bytes. > See my report at http://bugs.debian.org/259887 for details. I got it wrong. gcc is simply allocating some (12 bytes) of the space unconditionally. Sorry for the noise. -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt |
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