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charset=us-ascii Content-Disposition: inline tree: https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git next head: ce9f9d823a41831d622fa11e29c3d620c044f51b commit: 95c98461d1dce7fd1d25f055c88ad639b0e3b7d7 [13/98] sysrq: add ALT+LEFTCTRL to trigger crash dump config: x86_64-randconfig-122-20241029 (https://download.01.org/0day-ci/archive/20241030/202410302050.XIoKsFjs-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241030/202410302050.XIoKsFjs-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202410302050.XIoKsFjs-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> kernel/sysctl.c:1033:45: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *buffer @@ got void [noderef] __user *buffer @@ kernel/sysctl.c:1033:45: sparse: expected void *buffer kernel/sysctl.c:1033:45: sparse: got void [noderef] __user *buffer kernel/sysctl.c:1791:35: sparse: sparse: incorrect type in initializer (incompatible argument 3 (different address spaces)) @@ expected int ( [usertype] *proc_handler )( ... ) @@ got int ( * )( ... ) @@ kernel/sysctl.c:1791:35: sparse: expected int ( [usertype] *proc_handler )( ... ) kernel/sysctl.c:1791:35: sparse: got int ( * )( ... ) kernel/sysctl.c:312:66: sparse: sparse: self-comparison always evaluates to false vim +1033 kernel/sysctl.c 1026 1027 static int sysrq_use_leftctrl_sysctl_handler(struct ctl_table *table, int write, 1028 void __user *buffer, size_t *lenp, 1029 loff_t *ppos) 1030 { 1031 int error; 1032 > 1033 error = proc_dointvec(table, write, buffer, lenp, ppos); 1034 if (error) 1035 return error; 1036 1037 if (write) 1038 sysrq_toggle_sysrq_key(__sysrq_use_leftctrl); 1039 1040 return 0; 1041 } 1042 #endif 1043 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki