avoid a segfault, if ulimit is set to unlimited

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/utils_cmd.c b/lib/utils_cmd.c
index 9e214bd..e41a982 100644
--- a/lib/utils_cmd.c
+++ b/lib/utils_cmd.c
@@ -116,6 +116,14 @@ cmd_init (void)
         }
 #endif
 
+        /* if maxfd is unnaturally high, we force it to a lower value
+         * ( e.g. on SunOS, when ulimit is set to unlimited: 2147483647 this would cause
+         * a segfault when following calloc is called ...  ) */
+
+        if ( maxfd > 2048 ) {
+                maxfd = 2048;
+        }
+
         if (!_cmd_pids)
                 _cmd_pids = calloc (maxfd, sizeof (pid_t));
 }