git: userland - sysctl - Fix stack overflow

Samuel Greear sjg at
Mon Sep 6 20:13:23 PDT 2010

commit aa25ccfaa7de73dd1331329e34cdf8ef1f25e9c9
Author: Samuel J. Greear <sjg at>
Date:   Tue Sep 7 03:09:25 2010 +0000

    userland - sysctl - Fix stack overflow
    * alloca(3) was being used to allocate space for a call to sysctl(3) that
      returned data. This could occasionally be on the order of 50-100MB
      (net.inet.tcp.pcblist) resulting in a segfault.

Summary of changes:
 sbin/sysctl/sysctl.c |   41 +++++++++++++++++++++++++++--------------
 1 files changed, 27 insertions(+), 14 deletions(-)

DragonFly BSD source repository

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