Add null check before dereferencing pointer dev_list inside function nla_nest_end() at line 1968: nla_nest_end(reply, dev_list);
Addresses-Coverity-ID: 1408827 Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com> --- drivers/block/nbd.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 9a7bb2c..6006de5 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -1948,6 +1948,9 @@ static int nbd_genl_status(struct sk_buff *skb, struct genl_info *info) } dev_list = nla_nest_start(reply, NBD_ATTR_DEVICE_LIST); + if (!dev_list) + goto out; + if (index == -1) { ret = idr_for_each(&nbd_index_idr, &status_cb, reply); if (ret) { -- 2.5.0 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Nbd-general mailing list Nbd-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nbd-general