Re: [Crash-utility] [patch crash v2 2/2] namespace support for net command

net without arguments shows network devices in init_net net -n -- in network namespace of current task net -n pid|taskp -- in network namespace of specified task Signed-off-by: Vasily Averin <vvs(a)openvz.org&gt;

static void -show_net_devices_v3(void) +show_net_devices_v3(ulong task) { + ulong nsproxy_p, net_ns_p; struct list_data list_data, *ld; char *net_device_buf; char buf[BUFSIZE]; @@ -523,8 +542,15 @@ show_net_devices_v3(void) ld = &list_data; BZERO(ld, sizeof(struct list_data)); ld->flags |= LIST_ALLOCATE; - ld->start = ld->end = - symbol_value("init_net") + OFFSET(net_dev_base_head); + if (VALID_MEMBER(task_struct_nsproxy)) { + readmem(task + OFFSET(task_struct_nsproxy), KVADDR, &nsproxy_p, + sizeof(ulong), "task_struct.nsproxy", FAULT_ON_ERROR); + if (!readmem(nsproxy_p + OFFSET(nsproxy_net_ns), KVADDR, &net_ns_p, + sizeof(ulong), "nsproxy.net_ns", RETURN_ON_ERROR|QUIET)) + error(FATAL, "cannot determine net_namespace location!\n"); + } else + net_ns_p = symbol_value("init_net"); + ld->start = ld->end = net_ns_p + OFFSET(net_dev_base_head); ld->list_head_offset = OFFSET(net_device_dev_list);