OrgACRN
/
acrn-kernel
mirror of https://github.com/projectacrn/acrn-kernel.git
1
0
Fork 0
Code Issues Releases Wiki Activity

tipc: stop tipc crypto on failure in tipc_node_create 

[ Upstream commit de52e17326 ]

If tipc_link_bc_create() fails inside tipc_node_create() for a newly
allocated tipc node then we should stop its tipc crypto and free the
resources allocated with a call to tipc_crypto_start().

As the node ref is initialized to one to that point, just put the ref on
tipc_link_bc_create() error case that would lead to tipc_node_free() be
eventually executed and properly clean the node and its crypto resources.

Found by Linux Verification Center (linuxtesting.org).

Fixes: cb8092d70a ("tipc: move bc link creation back to tipc_node_create")
Suggested-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: Fedor Pchelkin <pchelkin@ispras.ru>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Link: https://lore.kernel.org/r/20230725214628.25246-1-pchelkin@ispras.ru
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Fedor Pchelkin 2023-07-26 00:46:25 +03:00 committed by Greg Kroah-Hartman
parent 5f6a842db1
commit 539cf23cb4
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
net/tipc/node.c
View File

@ -583,7 +583,7 @@ struct tipc_node *tipc_node_create(struct net *net, u32 addr, u8 *peer_id,
n->capabilities, &n->bc_entry.inputq1, n->capabilities, &n->bc_entry.inputq1,
&n->bc_entry.namedq, snd_l, &n->bc_entry.link)) { &n->bc_entry.namedq, snd_l, &n->bc_entry.link)) {
pr_warn("Broadcast rcv link creation failed, no memory\n"); pr_warn("Broadcast rcv link creation failed, no memory\n");
kfree(n); tipc_node_put(n);
n = NULL; n = NULL;
goto exit; goto exit;
} }