[Devel] [PATCH VZ10 v4 10/44] fixup! ve/sunrpc: Prohibit mounting rpc_pipefs in CT without nfsd feature

[Vladimir Riabchun]

get_exec_env() is dereferenced without check.

https://virtuozzo.atlassian.net/browse/VSTOR-130116

Feature: !CONFIG_VE build
Signed-off-by: Vladimir Riabchun <vladimir.riabchun at virtuozzo.com>
---
 net/sunrpc/rpc_pipe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 2fcf10fc4bcd..208de401ea9b 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -1437,7 +1437,7 @@ static const struct fs_context_operations rpc_fs_context_ops = {
 
 static int rpc_init_fs_context(struct fs_context *fc)
 {
-	if (!(get_exec_env()->features & VE_FEATURE_NFSD))
+	if (!(get_exec_env() && get_exec_env()->features & VE_FEATURE_NFSD))
 		return -ENODEV;
 
 	put_user_ns(fc->user_ns);
-- 
2.47.1