Hi Kees,
FYI, there are new compile warnings show up in
tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git akpm
head: 04b956faad392f46c9a234962a9990196b8e48fc
commit: b8763455880e371a81b07599bc66ae94f96dc6d6 [18/86] kernel/sys.c: fix stack memory content leak via UNAME26
config: mn10300-asb2364_defconfig # make ARCH=mn10300 asb2364_defconfig
All warnings:
kernel/sys.c: In function 'override_release':
kernel/sys.c:1287:10: warning: comparison of distinct pointer types lacks a cast [enabled by default]
vim +1287 kernel/sys.c
be27425d Andi Kleen 2011-08-19 1271
be27425d Andi Kleen 2011-08-19 1272 if (current->personality & UNAME26) {
b8763455 Kees Cook 2012-10-12 1273 const char *rest = UTS_RELEASE;
b8763455 Kees Cook 2012-10-12 1274 char buf[65] = { 0 };
be27425d Andi Kleen 2011-08-19 1275 int ndots = 0;
be27425d Andi Kleen 2011-08-19 1276 unsigned v;
b8763455 Kees Cook 2012-10-12 1277 size_t copy;
be27425d Andi Kleen 2011-08-19 1278
be27425d Andi Kleen 2011-08-19 1279 while (*rest) {
be27425d Andi Kleen 2011-08-19 1280 if (*rest == '.' && ++ndots >= 3)
be27425d Andi Kleen 2011-08-19 1281 break;
be27425d Andi Kleen 2011-08-19 1282 if (!isdigit(*rest) && *rest != '.')
be27425d Andi Kleen 2011-08-19 1283 break;
be27425d Andi Kleen 2011-08-19 1284 rest++;
be27425d Andi Kleen 2011-08-19 1285 }
be27425d Andi Kleen 2011-08-19 1286 v = ((LINUX_VERSION_CODE >> 8) & 0xff) + 40;
b8763455 Kees Cook 2012-10-12 @1287 copy = min(sizeof(buf), max_t(size_t, 1, len));
b8763455 Kees Cook 2012-10-12 1288 copy = scnprintf(buf, copy, "2.6.%u%s", v, rest);
b8763455 Kees Cook 2012-10-12 1289 ret = copy_to_user(release, buf, copy + 1);
be27425d Andi Kleen 2011-08-19 1290 }
be27425d Andi Kleen 2011-08-19 1291 return ret;
be27425d Andi Kleen 2011-08-19 1292 }
be27425d Andi Kleen 2011-08-19 1293
e48fbb69 Heiko Carstens 2009-01-14 1294 SYSCALL_DEFINE1(newuname, struct new_utsname __user *, name)
^1da177e Linus Torvalds 2005-04-16 1295 {
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0-DAY kernel build testing backend Open Source Technology Center
Fengguang Wu, Yuanhan Liu Intel Corporation
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