Messages in this thread | | | Date | Fri, 23 Jul 2021 04:57:07 +0800 | From | kernel test robot <> | Subject | [arnd-playground:arm-kill-set_fs-10 5/9] arch/arm/kernel/sys_oabi-compat.c:284:21: sparse: sparse: incorrect type in initializer (different base types) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git arm-kill-set_fs-10 head: a6e0b06b967960c7e0a64bf10b8d1b7afaa4008e commit: 50310ba6abb85af07544c5bb6e6bb07174e4b694 [5/9] ARM: oabi-compat: rework epoll_wait/epoll_pwait emulation config: arm-randconfig-s031-20210722 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 10.3.0 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: v0.6.3-341-g8af24329-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commit/?id=50310ba6abb85af07544c5bb6e6bb07174e4b694 git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git git fetch --no-tags arnd-playground arm-kill-set_fs-10 git checkout 50310ba6abb85af07544c5bb6e6bb07174e4b694 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-10.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
sparse warnings: (new ones prefixed by >>) arch/arm/kernel/sys_oabi-compat.c:264:23: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __poll_t [usertype] events @@ got unsigned int [addressable] [usertype] events @@ arch/arm/kernel/sys_oabi-compat.c:264:23: sparse: expected restricted __poll_t [usertype] events arch/arm/kernel/sys_oabi-compat.c:264:23: sparse: got unsigned int [addressable] [usertype] events >> arch/arm/kernel/sys_oabi-compat.c:284:21: sparse: sparse: incorrect type in initializer (different base types) @@ expected unsigned int __pu_val @@ got restricted __poll_t [usertype] revents @@ arch/arm/kernel/sys_oabi-compat.c:284:21: sparse: expected unsigned int __pu_val arch/arm/kernel/sys_oabi-compat.c:284:21: sparse: got restricted __poll_t [usertype] revents arch/arm/kernel/sys_oabi-compat.c:334:25: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct old_timespec32 const [noderef] __user *timeout @@ got struct old_timespec32 * @@ arch/arm/kernel/sys_oabi-compat.c:334:25: sparse: expected struct old_timespec32 const [noderef] __user *timeout arch/arm/kernel/sys_oabi-compat.c:334:25: sparse: got struct old_timespec32 * arch/arm/kernel/sys_oabi-compat.c:341:52: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected struct sembuf [noderef] __user *sops @@ got struct sembuf *[assigned] sops @@ arch/arm/kernel/sys_oabi-compat.c:341:52: sparse: expected struct sembuf [noderef] __user *sops arch/arm/kernel/sys_oabi-compat.c:341:52: sparse: got struct sembuf *[assigned] sops
vim +284 arch/arm/kernel/sys_oabi-compat.c
276 277 struct epoll_event __user * 278 epoll_put_uevent(__poll_t revents, __u64 data, 279 struct epoll_event __user *uevent) 280 { 281 if (in_oabi_syscall()) { 282 struct oabi_epoll_event __user *oevent = (void __user *)uevent; 283 > 284 if (__put_user(revents, &oevent->events) || 285 __put_user(data, &oevent->data)) 286 return NULL; 287 288 return (void __user *)(oevent+1); 289 } 290 291 if (__put_user(revents, &uevent->events) || 292 __put_user(data, &uevent->data)) 293 return NULL; 294 295 return uevent+1; 296 } 297
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