diff options
| author | Dan Carpenter <dan.carpenter@oracle.com> | 2015-10-19 13:16:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-12-09 14:03:10 -0500 |
| commit | 1c98797fc8ff4cf4122a98cd7365c25c598c090e (patch) | |
| tree | f371eadf96ad73734d954bb05dfbb57aa9a04465 /net | |
| parent | 1f2ce4a2e7aea3a2123b17aff62a80553df31e21 (diff) | |
irda: precedence bug in irlmp_seq_hb_idx()
[ Upstream commit 50010c20597d14667eff0fdb628309986f195230 ]
This is decrementing the pointer, instead of the value stored in the
pointer. KASan detects it as an out of bounds reference.
Reported-by: "Berry Cheng 程君(成淼)" <chengmiao.cj@alibaba-inc.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
| -rw-r--r-- | net/irda/irlmp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/irda/irlmp.c b/net/irda/irlmp.c index a26c401ef4a4..43964594aa12 100644 --- a/net/irda/irlmp.c +++ b/net/irda/irlmp.c @@ -1839,7 +1839,7 @@ static void *irlmp_seq_hb_idx(struct irlmp_iter_state *iter, loff_t *off) for (element = hashbin_get_first(iter->hashbin); element != NULL; element = hashbin_get_next(iter->hashbin)) { - if (!off || *off-- == 0) { + if (!off || (*off)-- == 0) { /* NB: hashbin left locked */ return element; } |