tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git WIP.x86/cpu head: a0e3bbdc2e84af76864e16772ef0099ce933cded commit: 9a17639c0ad237666277861b65cf8fa80a4e9775 [1/18] x86/process/64: Fix ARCH_SET_FS/GS for a remote task config: x86_64-randconfig-x019-201924 (attached as .config) compiler: gcc-7 (Debian 7.3.0-1) 7.3.0 reproduce: git checkout 9a17639c0ad237666277861b65cf8fa80a4e9775 # save the attached .config to linux build tree make ARCH=x86_64
If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All error/warnings (new ones prefixed by >>): arch/x86//kernel/ptrace.c: In function 'putreg': >> arch/x86//kernel/ptrace.c:400:24: warning: passing argument 1 of >> 'x86_fsbase_write_cpu' makes integer from pointer without a cast >> [-Wint-conversion] x86_fsbase_write_cpu(child, value); ^~~~~ In file included from arch/x86/include/asm/elf.h:13:0, from include/linux/elf.h:5, from arch/x86//kernel/ptrace.c:18: arch/x86/include/asm/fsgsbase.h:42:20: note: expected 'long unsigned int' but argument is of type 'struct task_struct *' static inline void x86_fsbase_write_cpu(unsigned long fsbase) ^~~~~~~~~~~~~~~~~~~~ >> arch/x86//kernel/ptrace.c:400:3: error: too many arguments to function >> 'x86_fsbase_write_cpu' x86_fsbase_write_cpu(child, value); ^~~~~~~~~~~~~~~~~~~~ In file included from arch/x86/include/asm/elf.h:13:0, from include/linux/elf.h:5, from arch/x86//kernel/ptrace.c:18: arch/x86/include/asm/fsgsbase.h:42:20: note: declared here static inline void x86_fsbase_write_cpu(unsigned long fsbase) ^~~~~~~~~~~~~~~~~~~~ >> arch/x86//kernel/ptrace.c:405:3: error: implicit declaration of function >> 'x86_gsbase_write_cpu'; did you mean 'x86_fsbase_write_cpu'? >> [-Werror=implicit-function-declaration] x86_gsbase_write_cpu(child, value); ^~~~~~~~~~~~~~~~~~~~ x86_fsbase_write_cpu cc1: some warnings being treated as errors vim +/x86_fsbase_write_cpu +400 arch/x86//kernel/ptrace.c 380 381 static int putreg(struct task_struct *child, 382 unsigned long offset, unsigned long value) 383 { 384 switch (offset) { 385 case offsetof(struct user_regs_struct, cs): 386 case offsetof(struct user_regs_struct, ds): 387 case offsetof(struct user_regs_struct, es): 388 case offsetof(struct user_regs_struct, fs): 389 case offsetof(struct user_regs_struct, gs): 390 case offsetof(struct user_regs_struct, ss): 391 return set_segment_reg(child, offset, value); 392 393 case offsetof(struct user_regs_struct, flags): 394 return set_flags(child, value); 395 396 #ifdef CONFIG_X86_64 397 case offsetof(struct user_regs_struct,fs_base): 398 if (value >= TASK_SIZE_MAX) 399 return -EIO; > 400 x86_fsbase_write_cpu(child, value); 401 return 0; 402 case offsetof(struct user_regs_struct,gs_base): 403 if (value >= TASK_SIZE_MAX) 404 return -EIO; > 405 x86_gsbase_write_cpu(child, value); 406 return 0; 407 #endif 408 } 409 410 *pt_regs_access(task_pt_regs(child), offset) = value; 411 return 0; 412 } 413 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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