I noticed that his tcl8.5 was located in /usr/lib:

> directory)                          
> open("/usr/lib/libtcl8.5.so.0", O_RDONLY) =

Don't know if he compiled it himself, or used it to compile AOLserver.
But in this case, the symptom is usually very strange and random
segfaults. 

tom jackson

On Sat, 2009-03-07 at 23:47 +0100, Gustaf Neumann wrote:
> Well, i found at least one problem in ns_proxy so far, but it seems 
> unrelated
> to Tcl 8.5 and Alexey's problem.
> 
> nsproxy defines the structure Proxy as follows:
> 
> typedef struct Proxy {
>     ....
>     char id[16];        /* Proxy unique string id. */
>     Proc *procPtr;        /* Running child process, if any. */
>     ....
> } Proxy;
> 
> later, the id is initialized by
> 
>    sprintf(proxyPtr->id, "%s-proxy-%d", poolPtr->name, poolPtr->nextid++);
> 
> The sprintf will cause a problem, if the pool name has more than 16-9 = 
> 7 bytes.
> Since pool name is passed in via tcl, and its length is not checked, 
> wierd things
> are likely to happen (the procPtr will be overwritten).
> 
> For example, OpenACS does a
> 
>         set handle [ns_proxy get exec_proxy]
> 
> where len(exec_proxy)>7.
> 
> The quick fix is to change char id[16] to id[32], but actually, one should
> check the length...
> 
> Unfortunately, this does not help in the original problem.
> 
> -gustaf neumann
> 
> 
> --
> AOLserver - http://www.aolserver.com/
> 
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