diff options
| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-06-30 13:08:00 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-01 07:39:08 -0700 |
| commit | 14afee4b6092fde451ee17604e5f5c89da33e71e (patch) | |
| tree | 19be7a1d72a1b25c5e5366c1213cdda982aacca2 /net/sctp/proc.c | |
| parent | 2638595afccf6554bfe55268ff9b2d3ac3dff2e6 (diff) | |
net: convert sock.sk_wmem_alloc 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/sctp/proc.c')
| -rw-r--r-- | net/sctp/proc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 8e34db56bc1d..26b4be6b4172 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -363,7 +363,7 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v) assoc->stream.outcnt, assoc->max_retrans, assoc->init_retries, assoc->shutdown_retries, assoc->rtx_data_chunks, - atomic_read(&sk->sk_wmem_alloc), + refcount_read(&sk->sk_wmem_alloc), sk->sk_wmem_queued, sk->sk_sndbuf, sk->sk_rcvbuf); |