Hi, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-3.18.y head: b5076139991c6b12c62346d9880eec1d4227d99f commit: 677fa15cd6d5b0843e7b9c58409f67d656b1ec2f [2411/2632] compiler-gcc: integrate the various compiler-gcc[345].h files config: i386-randconfig-s1-201625 (attached as .config) compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430 reproduce: git checkout 677fa15cd6d5b0843e7b9c58409f67d656b1ec2f # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): >> crypto/algif_hash.c:350:13: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] .sendmsg = hash_sendmsg_nokey, ^~~~~~~~~~~~~~~~~~ crypto/algif_hash.c:350:13: note: (near initialization for 'algif_hash_ops_nokey.sendmsg') crypto/algif_hash.c:352:13: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] .recvmsg = hash_recvmsg_nokey, ^~~~~~~~~~~~~~~~~~ crypto/algif_hash.c:352:13: note: (near initialization for 'algif_hash_ops_nokey.recvmsg') -- drivers/usb/gadget/legacy/inode.c: In function 'ep_aio_rwtail': >> drivers/usb/gadget/legacy/inode.c:648:10: warning: 'value' may be used uninitialized in this function [-Wmaybe-uninitialized] return value; ^~~~~ -- In file included from fs/f2fs/segment.c:20:0: fs/f2fs/segment.c: In function 'flush_sit_entries': >> fs/f2fs/f2fs.h:956:3: warning: 'page' may be used uninitialized in this function [-Wmaybe-uninitialized] unlock_page(page); ^~~~~~~~~~~~~~~~~ fs/f2fs/segment.c:1690:16: note: 'page' was declared here struct page *page; ^~~~ vim +350 crypto/algif_hash.c cec8983e Herbert Xu 2016-01-08 334 static struct proto_ops algif_hash_ops_nokey = { cec8983e Herbert Xu 2016-01-08 335 .family = PF_ALG, cec8983e Herbert Xu 2016-01-08 336 cec8983e Herbert Xu 2016-01-08 337 .connect = sock_no_connect, cec8983e Herbert Xu 2016-01-08 338 .socketpair = sock_no_socketpair, cec8983e Herbert Xu 2016-01-08 339 .getname = sock_no_getname, cec8983e Herbert Xu 2016-01-08 340 .ioctl = sock_no_ioctl, cec8983e Herbert Xu 2016-01-08 341 .listen = sock_no_listen, cec8983e Herbert Xu 2016-01-08 342 .shutdown = sock_no_shutdown, cec8983e Herbert Xu 2016-01-08 343 .getsockopt = sock_no_getsockopt, cec8983e Herbert Xu 2016-01-08 344 .mmap = sock_no_mmap, cec8983e Herbert Xu 2016-01-08 345 .bind = sock_no_bind, cec8983e Herbert Xu 2016-01-08 346 .setsockopt = sock_no_setsockopt, cec8983e Herbert Xu 2016-01-08 347 .poll = sock_no_poll, cec8983e Herbert Xu 2016-01-08 348 cec8983e Herbert Xu 2016-01-08 349 .release = af_alg_release, cec8983e Herbert Xu 2016-01-08 @350 .sendmsg = hash_sendmsg_nokey, cec8983e Herbert Xu 2016-01-08 351 .sendpage = hash_sendpage_nokey, cec8983e Herbert Xu 2016-01-08 352 .recvmsg = hash_recvmsg_nokey, cec8983e Herbert Xu 2016-01-08 353 .accept = hash_accept_nokey, cec8983e Herbert Xu 2016-01-08 354 }; cec8983e Herbert Xu 2016-01-08 355 fe869cdb Herbert Xu 2010-10-19 356 static void *hash_bind(const char *name, u32 type, u32 mask) fe869cdb Herbert Xu 2010-10-19 357 { cec8983e Herbert Xu 2016-01-08 358 struct algif_hash_tfm *tfm; :::::: The code at line 350 was first introduced by commit :::::: cec8983e6d2cf52e60cd59583ae30f81f923f563 crypto: algif_hash - Require setkey before accept(2) :::::: TO: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> :::::: CC: Sasha Levin <sasha.levin@xxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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