Hi Luc, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dcc0b49040c70ad827a7f3d58a21b01fdb14e749 commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr() date: 6 months ago config: sh-randconfig-s032-20210212 (attached as .config) compiler: sh4-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.3-215-g0fb77bb6-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e5fc436f06eef54ef512ea55a9db8eb9f2e76959 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=sh If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; "sparse warnings: (new ones prefixed by >>)" arch/sh/kernel/cpu/sh2a/clock-sh7264.c:44:33: sparse: expected void const volatile [noderef] __iomem *ptr arch/sh/kernel/cpu/sh2a/clock-sh7264.c:44:33: sparse: got unsigned int arch/sh/kernel/cpu/sh2a/clock-sh7264.c:93:20: sparse: sparse: Using plain integer as NULL pointer arch/sh/kernel/cpu/sh2a/clock-sh7264.c:94:20: sparse: sparse: Using plain integer as NULL pointer arch/sh/kernel/cpu/sh2a/clock-sh7264.c:95:20: sparse: sparse: Using plain integer as NULL pointer arch/sh/kernel/cpu/sh2a/clock-sh7264.c:96:20: sparse: sparse: Using plain integer as NULL pointer arch/sh/kernel/cpu/sh2a/clock-sh7264.c:97:20: sparse: sparse: Using plain integer as NULL pointer arch/sh/kernel/cpu/sh2a/clock-sh7264.c:98:20: sparse: sparse: Using plain integer as NULL pointer arch/sh/kernel/cpu/sh2a/clock-sh7264.c:99:20: sparse: sparse: Using plain integer as NULL pointer arch/sh/kernel/cpu/sh2a/clock-sh7264.c:100:20: sparse: sparse: Using plain integer as NULL pointer arch/sh/kernel/cpu/sh2a/clock-sh7264.c:101:20: sparse: sparse: Using plain integer as NULL pointer -- arch/sh/kernel/cpu/sh2a/setup-sh7264.c:474:9: sparse: expected void const volatile [noderef] __iomem *ptr arch/sh/kernel/cpu/sh2a/setup-sh7264.c:474:9: sparse: got unsigned int -- fs/gfs2/file.c:306:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user *ptr @@ fs/gfs2/file.c:306:13: sparse: expected unsigned int const *__gu_addr fs/gfs2/file.c:306:13: sparse: got unsigned int [noderef] [usertype] __user *ptr fs/gfs2/file.c:306:13: sparse: expected void const volatile [noderef] __user *ptr fs/gfs2/file.c:306:13: sparse: got unsigned int const *__gu_addr -- fs/hfsplus/ioctl.c:42:50: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32 [usertype] @@ fs/hfsplus/ioctl.c:42:50: sparse: expected unsigned int fs/hfsplus/ioctl.c:42:50: sparse: got restricted __be32 [usertype] fs/hfsplus/ioctl.c:50:50: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32 [usertype] @@ fs/hfsplus/ioctl.c:50:50: sparse: expected unsigned int fs/hfsplus/ioctl.c:50:50: sparse: got restricted __be32 [usertype] fs/hfsplus/ioctl.c:53:50: sparse: sparse: incorrect type in assignment (different base types) @@ expected unsigned int @@ got restricted __be32 [usertype] @@ fs/hfsplus/ioctl.c:53:50: sparse: expected unsigned int fs/hfsplus/ioctl.c:53:50: sparse: got restricted __be32 [usertype] fs/hfsplus/ioctl.c:99:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *user_flags @@ fs/hfsplus/ioctl.c:99:13: sparse: expected int const *__gu_addr fs/hfsplus/ioctl.c:99:13: sparse: got int [noderef] __user *user_flags fs/hfsplus/ioctl.c:99:13: sparse: expected void const volatile [noderef] __user *ptr fs/hfsplus/ioctl.c:99:13: sparse: got int const *__gu_addr -- drivers/firewire/core-cdev.c:1088:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] __user * @@ drivers/firewire/core-cdev.c:1088:21: sparse: expected unsigned int const *__gu_addr drivers/firewire/core-cdev.c:1088:21: sparse: got unsigned int [noderef] __user * drivers/firewire/core-cdev.c:1088:21: sparse: expected void const volatile [noderef] __user *ptr drivers/firewire/core-cdev.c:1088:21: sparse: got unsigned int const *__gu_addr -- drivers/tee/tee_core.c:683:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] __user * @@ drivers/tee/tee_core.c:683:13: sparse: expected unsigned int const *__gu_addr drivers/tee/tee_core.c:683:13: sparse: got unsigned int [noderef] __user * drivers/tee/tee_core.c:683:13: sparse: expected void const volatile [noderef] __user *ptr drivers/tee/tee_core.c:683:13: sparse: got unsigned int const *__gu_addr drivers/tee/tee_core.c:781:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] __user * @@ drivers/tee/tee_core.c:781:13: sparse: expected unsigned int const *__gu_addr drivers/tee/tee_core.c:781:13: sparse: got unsigned int [noderef] __user * drivers/tee/tee_core.c:781:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int const *__gu_addr @@ drivers/tee/tee_core.c:781:13: sparse: expected void const volatile [noderef] __user *ptr drivers/tee/tee_core.c:781:13: sparse: got unsigned int const *__gu_addr drivers/tee/tee_core.c:782:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] __user * @@ drivers/tee/tee_core.c:782:13: sparse: expected unsigned int const *__gu_addr drivers/tee/tee_core.c:782:13: sparse: got unsigned int [noderef] __user * drivers/tee/tee_core.c:782:13: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int const *__gu_addr @@ drivers/tee/tee_core.c:782:13: sparse: expected void const volatile [noderef] __user *ptr drivers/tee/tee_core.c:782:13: sparse: got unsigned int const *__gu_addr -- drivers/net/ppp/ppp_async.c:420:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *p @@ drivers/net/ppp/ppp_async.c:420:21: sparse: expected int const *__gu_addr drivers/net/ppp/ppp_async.c:420:21: sparse: got int [noderef] __user *p drivers/net/ppp/ppp_async.c:420:21: sparse: expected void const volatile [noderef] __user *ptr drivers/net/ppp/ppp_async.c:420:21: sparse: got int const *__gu_addr drivers/net/ppp/ppp_async.c:435:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user * @@ drivers/net/ppp/ppp_async.c:435:21: sparse: expected unsigned int const *__gu_addr drivers/net/ppp/ppp_async.c:435:21: sparse: got unsigned int [noderef] [usertype] __user * drivers/net/ppp/ppp_async.c:435:21: sparse: expected void const volatile [noderef] __user *ptr drivers/net/ppp/ppp_async.c:435:21: sparse: got unsigned int const *__gu_addr drivers/net/ppp/ppp_async.c:446:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user * @@ drivers/net/ppp/ppp_async.c:446:21: sparse: expected unsigned int const *__gu_addr drivers/net/ppp/ppp_async.c:446:21: sparse: got unsigned int [noderef] [usertype] __user * drivers/net/ppp/ppp_async.c:446:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got unsigned int const *__gu_addr @@ drivers/net/ppp/ppp_async.c:446:21: sparse: expected void const volatile [noderef] __user *ptr drivers/net/ppp/ppp_async.c:446:21: sparse: got unsigned int const *__gu_addr drivers/net/ppp/ppp_async.c:471:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *p @@ drivers/net/ppp/ppp_async.c:471:21: sparse: expected int const *__gu_addr drivers/net/ppp/ppp_async.c:471:21: sparse: got int [noderef] __user *p drivers/net/ppp/ppp_async.c:471:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got int const *__gu_addr @@ drivers/net/ppp/ppp_async.c:471:21: sparse: expected void const volatile [noderef] __user *ptr drivers/net/ppp/ppp_async.c:471:21: sparse: got int const *__gu_addr -- drivers/video/fbdev/s3c-fb.c:1024:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected unsigned int const *__gu_addr @@ got unsigned int [noderef] [usertype] __user * @@ drivers/video/fbdev/s3c-fb.c:1024:21: sparse: expected unsigned int const *__gu_addr drivers/video/fbdev/s3c-fb.c:1024:21: sparse: got unsigned int [noderef] [usertype] __user * drivers/video/fbdev/s3c-fb.c:1024:21: sparse: expected void const volatile [noderef] __user *ptr drivers/video/fbdev/s3c-fb.c:1024:21: sparse: got unsigned int const *__gu_addr -- drivers/tty/ipwireless/network.c:174:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *user_arg @@ drivers/tty/ipwireless/network.c:174:21: sparse: expected int const *__gu_addr drivers/tty/ipwireless/network.c:174:21: sparse: got int [noderef] __user *user_arg drivers/tty/ipwireless/network.c:174:21: sparse: expected void const volatile [noderef] __user *ptr drivers/tty/ipwireless/network.c:174:21: sparse: got int const *__gu_addr drivers/tty/ipwireless/network.c:188:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *user_arg @@ drivers/tty/ipwireless/network.c:188:21: sparse: expected int const *__gu_addr drivers/tty/ipwireless/network.c:188:21: sparse: got int [noderef] __user *user_arg drivers/tty/ipwireless/network.c:188:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got int const *__gu_addr @@ drivers/tty/ipwireless/network.c:188:21: sparse: expected void const volatile [noderef] __user *ptr drivers/tty/ipwireless/network.c:188:21: sparse: got int const *__gu_addr drivers/tty/ipwireless/network.c:200:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *user_arg @@ drivers/tty/ipwireless/network.c:200:21: sparse: expected int const *__gu_addr drivers/tty/ipwireless/network.c:200:21: sparse: got int [noderef] __user *user_arg drivers/tty/ipwireless/network.c:200:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got int const *__gu_addr @@ drivers/tty/ipwireless/network.c:200:21: sparse: expected void const volatile [noderef] __user *ptr drivers/tty/ipwireless/network.c:200:21: sparse: got int const *__gu_addr drivers/tty/ipwireless/network.c:228:21: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *user_arg @@ drivers/tty/ipwireless/network.c:228:21: sparse: expected int const *__gu_addr drivers/tty/ipwireless/network.c:228:21: sparse: got int [noderef] __user *user_arg drivers/tty/ipwireless/network.c:228:21: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got int const *__gu_addr @@ drivers/tty/ipwireless/network.c:228:21: sparse: expected void const volatile [noderef] __user *ptr drivers/tty/ipwireless/network.c:228:21: sparse: got int const *__gu_addr -- net/ipv4/ipmr.c:1568:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *optlen @@ net/ipv4/ipmr.c:1568:13: sparse: expected int const *__gu_addr net/ipv4/ipmr.c:1568:13: sparse: got int [noderef] __user *optlen net/ipv4/ipmr.c:1568:13: sparse: expected void const volatile [noderef] __user *ptr net/ipv4/ipmr.c:1568:13: sparse: got int const *__gu_addr net/ipv4/ipmr.c:2887:13: sparse: sparse: context imbalance in 'ipmr_vif_seq_start' - different lock contexts for basic block net/ipv4/ipmr.c: note: in included file (through include/linux/mroute.h): include/linux/mroute_base.h:427:31: sparse: sparse: context imbalance in 'mr_mfc_seq_stop' - unexpected unlock -- net/llc/af_llc.c:1147:14: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *optlen @@ net/llc/af_llc.c:1147:14: sparse: expected int const *__gu_addr net/llc/af_llc.c:1147:14: sparse: got int [noderef] __user *optlen net/llc/af_llc.c:1147:14: sparse: expected void const volatile [noderef] __user *ptr net/llc/af_llc.c:1147:14: sparse: got int const *__gu_addr -- net/tls/tls_main.c:341:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected int const *__gu_addr @@ got int [noderef] __user *optlen @@ net/tls/tls_main.c:341:13: sparse: expected int const *__gu_addr net/tls/tls_main.c:341:13: sparse: got int [noderef] __user *optlen net/tls/tls_main.c:341:13: sparse: expected void const volatile [noderef] __user *ptr net/tls/tls_main.c:341:13: sparse: got int const *__gu_addr vim +44 arch/sh/kernel/cpu/sh2a/clock-sh7264.c 51ce30684e0d1a Phil Edworthy 2012-05-09 40 51ce30684e0d1a Phil Edworthy 2012-05-09 41 static unsigned long pll_recalc(struct clk *clk) 51ce30684e0d1a Phil Edworthy 2012-05-09 42 { 51ce30684e0d1a Phil Edworthy 2012-05-09 43 unsigned long rate = clk->parent->rate / pll1_div; 51ce30684e0d1a Phil Edworthy 2012-05-09 @44 return rate * pll1rate[(__raw_readw(FRQCR) >> 8) & 1]; 51ce30684e0d1a Phil Edworthy 2012-05-09 45 } 51ce30684e0d1a Phil Edworthy 2012-05-09 46 :::::: The code at line 44 was first introduced by commit :::::: 51ce30684e0d1ae50a154e1026de57d15d096286 sh: Add sh7264 device :::::: TO: Phil Edworthy <phil.edworthy(a)renesas.com&gt; :::::: CC: Paul Mundt <lethal(a)linux-sh.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org