diff options
| author | Reshetova, Elena | 2017-06-30 12:08:07 +0200 |
|---|---|---|
| committer | David S. Miller | 2017-07-01 16:39:09 +0200 |
| commit | edcb691871b27c3cc463b7291afe75f1c3423406 (patch) | |
| tree | 5935d0a93146c27c2c33a89c6911dbbd706a4ad5 /net/ipv4/ip_fragment.c | |
| parent | net: convert fib_rule.refcnt from atomic_t to refcount_t (diff) | |
| download | kernel-qcow2-linux-edcb691871b27c3cc463b7291afe75f1c3423406.tar.gz kernel-qcow2-linux-edcb691871b27c3cc463b7291afe75f1c3423406.tar.xz kernel-qcow2-linux-edcb691871b27c3cc463b7291afe75f1c3423406.zip | |
net: convert inet_frag_queue.refcnt from atomic_t to refcount_t
refcount_t type and corresponding API should be
used instead of atomic_t when the variable is used as
a reference counter. This allows to avoid accidental
refcounter overflows that might lead to use-after-free
situations.
Signed-off-by: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Hans Liljestrand <ishkamiel@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: David Windsor <dwindsor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_fragment.c')
| -rw-r--r-- | net/ipv4/ip_fragment.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index b3cdeec85f1f..9a8cfac503dc 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -312,7 +312,7 @@ static int ip_frag_reinit(struct ipq *qp) unsigned int sum_truesize = 0; if (!mod_timer(&qp->q.timer, jiffies + qp->q.net->timeout)) { - atomic_inc(&qp->q.refcnt); + refcount_inc(&qp->q.refcnt); return -ETIMEDOUT; } |