talloc: access after free error

Christian Hesse list at eworm.de
Wed Mar 26 18:10:29 CET 2014


Alan DeKok <aland at deployingradius.com> on Sun, 2014/03/09 09:11:
> Christian Hesse wrote:
> > running freeradius 3.0.1 I get this after some time:
> > 
> > Info: rlm_sql (sql): Closing connection (438): Hit idle_timeout, was idle
> > for 62 seconds
> > rlm_sql (sql): You probably need to lower "min"
> > Info: talloc: access after free error - first free may be at
> > src/lib/valuepair.c:165
> > Info: Bad talloc magic value - access after free
> > 
> > I see some commit concerning talloc in master and v3.0.x branch. Is any of
> > these supposed to fix the issue? Can I provide any more information to fix
> > this?
> 
>   These issues are had to debug remotely.  I'd suggest trying the v3.0.x
> branch.  It will become 3.0.2 soon.

Still the same issue with version 3.0.2 final... Looks like we have to debug
this remotely. Any hints where to start?
-- 
main(a){char*c=/*    Schoene Gruesse                         */"B?IJj;MEH"
"CX:;",b;for(a/*    Chris           get my mail address:    */=0;b=c[a++];)
putchar(b-1/(/*               gcc -o sig sig.c && ./sig    */b/42*2-3)*42);}
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