mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-03 23:58:05 +00:00
Code Issues Releases Wiki Activity

IB/core: Fix potential memory leak while creating MAD agents

Browse source 
If the MAD agents isn't allowed to manage the subnet, or fails to register
for the LSM notifier, the security context is leaked. Free the context in
these cases.

Fixes: 47a2b338fe ("IB/core: Enforce security on management datagrams")
Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Reported-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Daniel Jurgens 2019-02-02 11:09:43 +02:00 committed by Jason Gunthorpe
parent d60667fc39
commit 6e88e672b6
1 changed files with 6 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/infiniband/core/security.c
View file

@ -710,16 +710,20 @@ int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
dev_name(&agent->device->dev),
agent->port_num);
if (ret)
return ret;
goto free_security;
agent->lsm_nb.notifier_call = ib_mad_agent_security_change;
ret = register_lsm_notifier(&agent->lsm_nb);
if (ret)
return ret;
goto free_security;
agent->smp_allowed = true;
agent->lsm_nb_reg = true;
return 0;
free_security:
security_ib_free_security(agent->security);
return ret;
}
void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)