Realloc returns NULL

[Bruce Korb]

Um, don't forget that the process itself may be limited.

On Thu, Dec 18, 2008 at 3:53 PM, Carlos O'Donell
<carlos@systemhalted.org> wrote:
> On Thu, Dec 18, 2008 at 6:35 PM, Jeff Baumes <jeff.baumes@kitware.com> wrote:
>> When I set MALLOC_CHECK_=3 in my environment to abort when a problem
>> is detected, I cannot get the program to crash. It apparently is using
>> a different version of realloc?
>
> No. The same version of realloc is used. At check action 3
> malloc_printerr will print error messages to stderr when it detects an
> error.
>
>> Any other ideas for tracking this down?
>
> Is your kernel mremap function broken?
>
> The glibc realloc will preferentially use the kernel to remap and
> expand the mmap'd chunk using mremap.
>
> Try a different, older or newer, kernel.
>
> Cheers,
> Carlos.
>