[PATCH] Boyer Moore textsearch bug fix
Pablo Neira Ayuso
pablo at netfilter.org
Thu Aug 17 16:25:23 CEST 2006
Patrick McHardy wrote:
> Michael Rash wrote:
>
>>--- linux-2.6.17.8/lib/ts_bm.c.orig 2006-08-16 21:17:38.000000000 -0400
>>+++ linux-2.6.17.8/lib/ts_bm.c 2006-08-16 21:17:56.000000000 -0400
>>@@ -151,8 +151,8 @@
>> bm = ts_config_priv(conf);
>> bm->patlen = len;
>> bm->pattern = (u8 *) bm->good_shift + prefix_tbl_len;
>>- compute_prefix_tbl(bm, pattern, len);
>> memcpy(bm->pattern, pattern, len);
>>+ compute_prefix_tbl(bm, pattern, len);
>
>
>
> Good catch, thanks. But since both pattern and len are also passed
> to compute_prefix_tbl as arguments, I think we should either make
> it use only those arguments, or remove those arguments and use only
> the values from struct ts_bm.
Damn, that is my fault, thanks for the catch Michael.
> Please send a new patch and add a Signed-off-by line so I can
> apply it. Thanks.
Patrick, do you plan to pass this patch to -stable as well?
--
The dawn of the fourth age of Linux firewalling is coming; a time of
great struggle and heroic deeds -- J.Kadlecsik got inspired by J.Morris
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