[PATCH 1/1] Change ping_group_range default to what Android's init script sets.

From: Rob Landley
Date: Mon Oct 30 2017 - 23:39:35 EST


From: Rob Landley <rob@xxxxxxxxxxx>

See message from the Android "native tools and libraries team" lead
(I.E. the maintainer of bionic, adb, toolbox, etc) at
http://lists.landley.net/pipermail/toybox-landley.net/2017-July/009103.html

Signed-off-by: Rob Landley <rob@xxxxxxxxxxx>
---

net/ipv4/af_inet.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index e31108e..5b39a96 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1712,12 +1712,8 @@ static __net_init int inet_init_net(struct net *net)
net->ipv4.ip_local_ports.range[1] = 60999;

seqlock_init(&net->ipv4.ping_group_range.lock);
- /*
- * Sane defaults - nobody may create ping sockets.
- * Boot scripts should set this to distro-specific group.
- */
- net->ipv4.ping_group_range.range[0] = make_kgid(&init_user_ns, 1);
- net->ipv4.ping_group_range.range[1] = make_kgid(&init_user_ns, 0);
+ net->ipv4.ping_group_range.range[0] = make_kgid(&init_user_ns, 0);
+ net->ipv4.ping_group_range.range[1] = make_kgid(&init_user_ns, 2147483647);

/* Default values for sysctl-controlled parameters.
* We set them here, in case sysctl is not compiled.