Tom Lane wrote:
Stefan Kaltenbrunner <[EMAIL PROTECTED]> writes:
OpenBSD has some very useful features for configuration of malloc() -
and on this particular box it has:
G ``Guard''. Enable guard pages and chunk randomization. Each
page size or larger allocation is followed by a guard page that
will cause a segmentation fault upon any access. Smaller than
page size chunks are returned in a random order.
and indeed - enabling "G" on another (x86) OpenBSD box of mine causes
make check to die there too ....
Cool. Once I get this bug fixed, the people running openbsd build farm
machines probably should turn that on as standard practice ... we've
found bugs of this ilk several times before, and I would not be
surprised if there are more.
Stefan currently has the only openbsd members. However. I will probably
add something to the buildfarm config file to turn on some of those
options on openbsd. Can you please look at
http://www.openbsd.org/cgi-bin/man.cgi?query=malloc.conf&apropos=0&sektion=0&manpath=OpenBSD+Current&arch=i386&format=html
and tell us which ones you would like turned on? Stefan suggests A F and
G might be useful.
cheers
andrew
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