Hi Stanislav, FYI, there are new compile warnings show up in tree: git://git.kernel.org/pub/scm/linux/kernel/git/gorcunov/linux-cr.git crtools-3.6-rc5 head: 36cd0264fd0ce1a3491a59e61c80a990a3107859 commit: 625fbb93c8cf6dc3b431abb698ad26f7de51b0e3 [6/32] IPC: message queue receive cleanup config: x86_64-randconfig-s351 (attached as .config) All error/warnings: ipc/compat.c: In function 'compat_do_msg_fill': ipc/compat.c:349:542: warning: 'msgp' is used uninitialized in this function [-Wuninitialized] -- ipc/msg.c: In function 'msgctl_down': ipc/msg.c:429:25: warning: the omitted middle operand in ?: will always be 'true', suggest explicit middle operand [-Wparentheses] vim +349 ipc/compat.c 339 return -EFAULT; 340 341 return do_msgsnd(first, type, up->mtext, second, third); 342 } 343 344 long compat_do_msg_fill(void __user *dest, struct msg_msg *msg, size_t bufsz) 345 { 346 struct compat_msgbuf __user *msgp; 347 size_t msgsz; 348 > 349 if (put_user(msg->m_type, &msgp->mtype)) 350 return -EFAULT; 351 352 msgsz = (bufsz > msg->m_ts) ? msg->m_ts : bufsz; 353 if (store_msg(msgp->mtext, msg, msgsz)) 354 return -EFAULT; 355 return msgsz; 356 } 357 358 long compat_sys_msgrcv(int first, int second, int msgtyp, int third, 359 int version, void __user *uptr) --- 0-DAY kernel build testing backend Open Source Technology Centre Fengguang Wu, Yuanhan Liu Intel Corporation