tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: e71ba9452f0b5b2e8dc8aa5445198cd9214a6a62 commit: e5fc436f06eef54ef512ea55a9db8eb9f2e76959 sparse: use static inline for __chk_{user,io}_ptr() date: 4 months ago config: m68k-randconfig-s032-20210107 (attached as .config) compiler: m68k-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: v0.6.3-208-g46a52ca4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e5fc436f06eef54ef512ea55a9db8eb9f2e76959 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=m68k
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> "sparse warnings: (new ones prefixed by >>)" >> drivers/watchdog/m54xx_wdt.c:104:37: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected void const volatile >> [noderef] __user *ptr @@ got char const * @@ drivers/watchdog/m54xx_wdt.c:104:37: sparse: expected void const volatile [noderef] __user *ptr drivers/watchdog/m54xx_wdt.c:104:37: sparse: got char const * drivers/watchdog/m54xx_wdt.c:104:37: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __user *__gu_ptr @@ got char const * @@ drivers/watchdog/m54xx_wdt.c:104:37: sparse: expected void const [noderef] __user *__gu_ptr drivers/watchdog/m54xx_wdt.c:104:37: sparse: got char const * drivers/watchdog/m54xx_wdt.c:129:37: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void [noderef] __user *to @@ got struct watchdog_info * @@ drivers/watchdog/m54xx_wdt.c:129:37: sparse: expected void [noderef] __user *to drivers/watchdog/m54xx_wdt.c:129:37: sparse: got struct watchdog_info * >> drivers/watchdog/m54xx_wdt.c:134:23: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected void const volatile >> [noderef] __user *ptr @@ got int * @@ drivers/watchdog/m54xx_wdt.c:134:23: sparse: expected void const volatile [noderef] __user *ptr drivers/watchdog/m54xx_wdt.c:134:23: sparse: got int * drivers/watchdog/m54xx_wdt.c:134:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __user *__pu_ptr @@ got int * @@ drivers/watchdog/m54xx_wdt.c:134:23: sparse: expected void const [noderef] __user *__pu_ptr drivers/watchdog/m54xx_wdt.c:134:23: sparse: got int * drivers/watchdog/m54xx_wdt.c:138:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got int * @@ drivers/watchdog/m54xx_wdt.c:138:23: sparse: expected void const volatile [noderef] __user *ptr drivers/watchdog/m54xx_wdt.c:138:23: sparse: got int * drivers/watchdog/m54xx_wdt.c:138:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __user *__pu_ptr @@ got int * @@ drivers/watchdog/m54xx_wdt.c:138:23: sparse: expected void const [noderef] __user *__pu_ptr drivers/watchdog/m54xx_wdt.c:138:23: sparse: got int * drivers/watchdog/m54xx_wdt.c:147:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got int * @@ drivers/watchdog/m54xx_wdt.c:147:23: sparse: expected void const volatile [noderef] __user *ptr drivers/watchdog/m54xx_wdt.c:147:23: sparse: got int * drivers/watchdog/m54xx_wdt.c:147:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __user *__gu_ptr @@ got int * @@ drivers/watchdog/m54xx_wdt.c:147:23: sparse: expected void const [noderef] __user *__gu_ptr drivers/watchdog/m54xx_wdt.c:147:23: sparse: got int * drivers/watchdog/m54xx_wdt.c:161:23: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void const volatile [noderef] __user *ptr @@ got int * @@ drivers/watchdog/m54xx_wdt.c:161:23: sparse: expected void const volatile [noderef] __user *ptr drivers/watchdog/m54xx_wdt.c:161:23: sparse: got int * drivers/watchdog/m54xx_wdt.c:161:23: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __user *__pu_ptr @@ got int * @@ drivers/watchdog/m54xx_wdt.c:161:23: sparse: expected void const [noderef] __user *__pu_ptr drivers/watchdog/m54xx_wdt.c:161:23: sparse: got int * drivers/watchdog/m54xx_wdt.c:185:27: sparse: sparse: incorrect type in initializer (incompatible argument 2 (different address spaces)) @@ expected int ( *write )( ... ) @@ got int ( * )( ... ) @@ drivers/watchdog/m54xx_wdt.c:185:27: sparse: expected int ( *write )( ... ) drivers/watchdog/m54xx_wdt.c:185:27: sparse: got int ( * )( ... ) vim +104 drivers/watchdog/m54xx_wdt.c 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 91 9b9c63ff1f3b09a drivers/watchdog/m548x_wdt.c Philippe De Muyter 2011-01-22 92 static ssize_t m54xx_wdt_write(struct file *file, const char *data, 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 93 size_t len, loff_t *ppos) 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 94 { 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 95 if (len) { 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 96 if (!nowayout) { 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 97 size_t i; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 98 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 99 clear_bit(WDT_OK_TO_CLOSE, &wdt_status); 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 100 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 101 for (i = 0; i != len; i++) { 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 102 char c; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 103 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 @104 if (get_user(c, data + i)) 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 105 return -EFAULT; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 106 if (c == 'V') 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 107 set_bit(WDT_OK_TO_CLOSE, &wdt_status); 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 108 } 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 109 } 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 110 wdt_keepalive(); 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 111 } 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 112 return len; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 113 } 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 114 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 115 static const struct watchdog_info ident = { 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 116 .options = WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT | 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 117 WDIOF_KEEPALIVEPING, 9b9c63ff1f3b09a drivers/watchdog/m548x_wdt.c Philippe De Muyter 2011-01-22 118 .identity = "Coldfire M54xx Watchdog", 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 119 }; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 120 9b9c63ff1f3b09a drivers/watchdog/m548x_wdt.c Philippe De Muyter 2011-01-22 121 static long m54xx_wdt_ioctl(struct file *file, unsigned int cmd, 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 122 unsigned long arg) 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 123 { 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 124 int ret = -ENOTTY; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 125 int time; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 126 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 127 switch (cmd) { 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 128 case WDIOC_GETSUPPORT: 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 129 ret = copy_to_user((struct watchdog_info *)arg, &ident, 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 130 sizeof(ident)) ? -EFAULT : 0; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 131 break; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 132 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 133 case WDIOC_GETSTATUS: 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 @134 ret = put_user(0, (int *)arg); 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 135 break; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 136 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 137 case WDIOC_GETBOOTSTATUS: 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 138 ret = put_user(0, (int *)arg); 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 139 break; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 140 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 141 case WDIOC_KEEPALIVE: 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 142 wdt_keepalive(); 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 143 ret = 0; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 144 break; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 145 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 146 case WDIOC_SETTIMEOUT: 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 147 ret = get_user(time, (int *)arg); 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 148 if (ret) 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 149 break; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 150 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 151 if (time <= 0 || time > 30) { 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 152 ret = -EINVAL; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 153 break; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 154 } 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 155 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 156 heartbeat = time; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 157 wdt_enable(); bd490f8222510de drivers/watchdog/m54xx_wdt.c Gustavo A. R. Silva 2020-07-07 158 fallthrough; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 159 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 160 case WDIOC_GETTIMEOUT: 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 161 ret = put_user(heartbeat, (int *)arg); 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 162 break; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 163 } 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 164 return ret; 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 165 } 88cce427626070f drivers/watchdog/m548x_wdt.c Philippe De Muyter 2010-11-03 166 :::::: The code at line 104 was first introduced by commit :::::: 88cce427626070f7d7eb33994e3ff7b4db3292c5 watchdog: Add MCF548x watchdog driver. :::::: TO: Philippe De Muyter <[email protected]> :::::: CC: Wim Van Sebroeck <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
