tree 478b9c25d2671aa2f425b1dbbe12c50f17bf9b24
parent ad6206721a56cf16e98b9d01494ece4193722f9f
author David S. Miller <davem@davemloft.net> 1430532167 -0400
committer Patrick Tjin <pattjin@google.com> 1439355990 -0700

ipv4: Missing sk_nulls_node_init() in ping_unhash().

If we don't do that, then the poison value is left in the ->pprev
backlink.

This can cause crashes if we do a disconnect, followed by a connect().

Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Wen Xu <hotdog3645@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bug: 20770158
Change-Id: I944eb20fddea190892c2da681d934801d268096b