On Tue, 18 Aug 2009, Jakub Wilk wrote:
> * Santiago Vila <sanv...@unex.es>, 2009-08-18, 01:25:
> > On a chroot etch system running a lenny kernel, the bug seems to be
> > gone as well.
> >
> > Seems like a kernel bug to me.
>
> I strongly doubt it's a kernel bug, rather a non-deterministic bug in
> procmail. I've been able to reproduce it on Linux 2.6.30-1-686 with libc6s
> 2.3.6.ds1-13etch9+b1, 2.7-18 and 2.9-25.
You are right. I can finally reproduce it on a i386 chroot using
the usual 2.6.26-2-amd64 kernel from lenny.
Based on the analysis by Samuel Thibault of Bug#484352, which is very
similar, I think the following patch might fix both bugs:
diff -ru procmail-3.22/src/mailfold.c ASASAS/src/mailfold.c
--- procmail-3.22/src/mailfold.c 2009-09-01 18:29:18.000000000 +0200
+++ ASASAS/src/mailfold.c 2009-08-21 22:54:13.000000000 +0200
@@ -205,7 +205,7 @@
if(linkfolder) /* any additional directories specified? */
{ size_t blen;
if(blen=Tmnate-linkfolder) /* copy the names into
safety */
- Tmnate=(linkfolder=tmemmove(malloc(blen),linkfolder,blen))+blen;
+ Tmnate=(linkfolder=tmemmove(malloc(blen+1),linkfolder,blen))+blen;
else
linkfolder=0;
}
Could you please try it and tell me whether it improve things or not?
Thanks.
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