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authorGreg Kroah-Hartman <gregkh@google.com>2017-03-31 17:34:55 +0200
committerGreg Kroah-Hartman <gregkh@google.com>2017-04-06 19:01:38 +0000
commit3a75d7a94709a4cf17a059d669d27bc82bb6bf9b (patch)
tree649c663c1f64385f30a7442e57f127d8a9987193 /net
parente246a2f11fcca7702dbf526da235d37c828742ea (diff)
Merge 4.4.59 into android-4.4
Changes in 4.4.59: xfrm: policy: init locks early xfrm_user: validate XFRM_MSG_NEWAE XFRMA_REPLAY_ESN_VAL replay_window xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder virtio_balloon: init 1st buffer in stats vq pinctrl: qcom: Don't clear status bit on irq_unmask c6x/ptrace: Remove useless PTRACE_SETREGSET implementation h8300/ptrace: Fix incorrect register transfer count mips/ptrace: Preserve previous registers for short regset write sparc/ptrace: Preserve previous registers for short regset write metag/ptrace: Preserve previous registers for short regset write metag/ptrace: Provide default TXSTATUS for short NT_PRSTATUS metag/ptrace: Reject partial NT_METAG_RPIPE writes fscrypt: remove broken support for detecting keyring key revocation sched/rt: Add a missing rescheduling point Linux 4.4.59 Change-Id: Ifa35307b133cbf29d0a0084bb78a7b0436182b53 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'net')
-rw-r--r--net/xfrm/xfrm_policy.c10
-rw-r--r--net/xfrm/xfrm_user.c9
2 files changed, 13 insertions, 6 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index b5e665b3cfb0..36a50ef9295d 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -3030,6 +3030,11 @@ static int __net_init xfrm_net_init(struct net *net)
{
int rv;
+ /* Initialize the per-net locks here */
+ spin_lock_init(&net->xfrm.xfrm_state_lock);
+ rwlock_init(&net->xfrm.xfrm_policy_lock);
+ mutex_init(&net->xfrm.xfrm_cfg_mutex);
+
rv = xfrm_statistics_init(net);
if (rv < 0)
goto out_statistics;
@@ -3046,11 +3051,6 @@ static int __net_init xfrm_net_init(struct net *net)
if (rv < 0)
goto out;
- /* Initialize the per-net locks here */
- spin_lock_init(&net->xfrm.xfrm_state_lock);
- rwlock_init(&net->xfrm.xfrm_policy_lock);
- mutex_init(&net->xfrm.xfrm_cfg_mutex);
-
return 0;
out:
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 805681a7d356..7a5a64e70b4d 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -412,7 +412,14 @@ static inline int xfrm_replay_verify_len(struct xfrm_replay_state_esn *replay_es
up = nla_data(rp);
ulen = xfrm_replay_state_esn_len(up);
- if (nla_len(rp) < ulen || xfrm_replay_state_esn_len(replay_esn) != ulen)
+ /* Check the overall length and the internal bitmap length to avoid
+ * potential overflow. */
+ if (nla_len(rp) < ulen ||
+ xfrm_replay_state_esn_len(replay_esn) != ulen ||
+ replay_esn->bmp_len != up->bmp_len)
+ return -EINVAL;
+
+ if (up->replay_window > up->bmp_len * sizeof(__u32) * 8)
return -EINVAL;
return 0;