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| author | Reshetova, Elena <elena.reshetova@intel.com> | 2017-07-04 15:53:25 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-07-04 22:35:18 +0100 |
| commit | c0acdfb409c82047853df1e5f3dbdbe4005c78ae (patch) | |
| tree | a6995fa5b5b72c721c3280e716822b1be26c8c3c /include/net | |
| parent | 6871584a5e493a9fa3ad330a73966908b082deac (diff) | |
| download | linux-stable-c0acdfb409c82047853df1e5f3dbdbe4005c78ae.tar.gz linux-stable-c0acdfb409c82047853df1e5f3dbdbe4005c78ae.tar.bz2 linux-stable-c0acdfb409c82047853df1e5f3dbdbe4005c78ae.zip | |
net, sctp: convert sctp_datamsg.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 'include/net')
| -rw-r--r-- | include/net/sctp/structs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index 07c11fefa8c4..4d7c855d8443 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -496,7 +496,7 @@ struct sctp_datamsg { /* Chunks waiting to be submitted to lower layer. */ struct list_head chunks; /* Reference counting. */ - atomic_t refcnt; + refcount_t refcnt; /* When is this message no longer interesting to the peer? */ unsigned long expires_at; /* Did the messenge fail to send? */ |