armbian/linux-rockchip
0
0
Fork 0
mirror of https://github.com/armbian/linux-rockchip.git synced 2026-01-06 11:08:10 -08:00
Code Issues Packages Projects Releases Wiki Activity

net: sched: fix possible refcount leak in tc_new_tfilter()

Browse Source 
[ Upstream commit c2e1cfefca ]

tfilter_put need to be called to put the refount got by tp->ops->get to
avoid possible refcount leak when chain->tmplt_ops != NULL and
chain->tmplt_ops != tp->ops.

Fixes: 7d5509fa0d ("net: sched: extend proto ops with 'put' callback")
Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Vlad Buslov <vladbu@nvidia.com>
Link: https://lore.kernel.org/r/20220921092734.31700-1-hbh25y@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Hangyu Hua
2022-09-21 17:27:34 +08:00
committed by Greg Kroah-Hartman
parent 75ca7f44da
commit 8844c750ee
1 changed files with 1 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
net/sched/cls_api.c
View File

@@ -2124,6 +2124,7 @@ replay:
}
if (chain->tmplt_ops && chain->tmplt_ops != tp->ops) {
tfilter_put(tp, fh);
NL_SET_ERR_MSG(extack, "Chain template is set to a different filter kind");
err = -EINVAL;
goto errout;