diff options
Diffstat (limited to 'fs/smb/server/transport_ipc.c')
| -rw-r--r-- | fs/smb/server/transport_ipc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/smb/server/transport_ipc.c b/fs/smb/server/transport_ipc.c index 496855f755ac..7fc4b33b89e3 100644 --- a/fs/smb/server/transport_ipc.c +++ b/fs/smb/server/transport_ipc.c @@ -267,6 +267,7 @@ static int handle_response(int type, void *payload, size_t sz) if (entry->type + 1 != type) { pr_err("Waiting for IPC type %d, got %d. Ignore.\n", entry->type + 1, type); + continue; } entry->response = kvzalloc(sz, GFP_KERNEL); @@ -295,7 +296,11 @@ static int ipc_server_config_on_startup(struct ksmbd_startup_request *req) server_conf.signing = req->signing; server_conf.tcp_port = req->tcp_port; server_conf.ipc_timeout = req->ipc_timeout * HZ; - server_conf.deadtime = req->deadtime * SMB_ECHO_INTERVAL; + if (check_mul_overflow(req->deadtime, SMB_ECHO_INTERVAL, + &server_conf.deadtime)) { + ret = -EINVAL; + goto out; + } server_conf.share_fake_fscaps = req->share_fake_fscaps; ksmbd_init_domain(req->sub_auth); @@ -318,6 +323,7 @@ static int ipc_server_config_on_startup(struct ksmbd_startup_request *req) ret |= ksmbd_set_work_group(req->work_group); ret |= ksmbd_tcp_set_interfaces(KSMBD_STARTUP_CONFIG_INTERFACES(req), req->ifc_list_sz); +out: if (ret) { pr_err("Server configuration error: %s %s %s\n", req->netbios_name, req->server_string, |