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| author | Loic Akue <loicx.akue@intel.com> | 2015-11-16 11:39:35 +0100 |
|---|---|---|
| committer | Victor Tasayco Loarte <victorx.tasayco.loarte@intel.com> | 2015-11-16 13:52:58 +0100 |
| commit | d9b4aa6873cda0bd2afcdc57271603b88f0fff2b (patch) | |
| tree | b2ff6c770ceb872be2ceac8d7aee8a74a7071c57 | |
| parent | 2bc390228c1541f244e2c55f44bd529a7a5016c8 (diff) | |
| download | x86-android-x86-grant-3.10-lollipop-mr1-wear-release.tar.gz | |
ipv4: Missing sk_nulls_node_init() in ping_unhash().android-wear-5.1.1_r0.19android-x86-grant-3.10-lollipop-mr1-wear-release
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().
Change-Id: Ieff82a38f18fae5f87be6a242529a26eb195882f
Tested-by: Linus Torvalds <torvalds@linux-foundation.org>
Reported-by: Wen Xu <hotdog3645@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Tracked-On: https://jira.ndg.intel.com/browse/MARVIN-1003
| -rw-r--r-- | net/ipv4/ping.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 530d290c937e..77e93d9dc9a5 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -154,6 +154,7 @@ void ping_unhash(struct sock *sk) if (sk_hashed(sk)) { write_lock_bh(&ping_table.lock); hlist_nulls_del(&sk->sk_nulls_node); + sk_nulls_node_init(&sk->sk_nulls_node); sock_put(sk); isk->inet_num = 0; isk->inet_sport = 0; |