On Sat, 27 Apr 2019 at 12:26, Sebastien Marie <sema...@online.fr> wrote:
> On Sat, Apr 27, 2019 at 12:17:21PM +0700, Igor Podlesny wrote:
> > Previously users could have different behaviour of malloc simultaneously: 
> > one in
> > global FS, others in chroots. Say, in global it could be more relaxed
[...]
> malloc(3) man page mentions several ways to set malloc options:
>
> - globally with vm.malloc_conf sysctl(2)
> - externally per apps with environment variable MALLOC_OPTIONS
> - internally per apps with global variable malloc_options in the program
>
> So I suppose you want to look at exported MALLOC_OPTIONS environment
> variable.

Wrong. Environment is easy to be changed by any non-privileged process.
OTOH, root owned /etc/malloc.conf is not.

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