Messages in this thread | | | Date | Mon, 27 Jul 2020 20:06:58 +0800 | From | kernel test robot <> | Subject | [tip:x86/entry 10/15] kernel/entry/common.c:58:41: sparse: sparse: too many arguments for function __secure_computing |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/entry head: 72c3c0fe54a3f3ddea8f5ca468ddf9deaf2100b7 commit: 27d6b4d14f5c3ab21c4aef87dd04055a2d7adf14 [10/15] x86/entry: Use generic syscall entry function config: i386-randconfig-s001-20200727 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-94-geb6779f6-dirty git checkout 27d6b4d14f5c3ab21c4aef87dd04055a2d7adf14 # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386
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 >>)
>> kernel/entry/common.c:58:41: sparse: sparse: too many arguments for function __secure_computing
vim +58 kernel/entry/common.c
142781e108b13b Thomas Gleixner 2020-07-22 43 142781e108b13b Thomas Gleixner 2020-07-22 44 static long syscall_trace_enter(struct pt_regs *regs, long syscall, 142781e108b13b Thomas Gleixner 2020-07-22 45 unsigned long ti_work) 142781e108b13b Thomas Gleixner 2020-07-22 46 { 142781e108b13b Thomas Gleixner 2020-07-22 47 long ret = 0; 142781e108b13b Thomas Gleixner 2020-07-22 48 142781e108b13b Thomas Gleixner 2020-07-22 49 /* Handle ptrace */ 142781e108b13b Thomas Gleixner 2020-07-22 50 if (ti_work & (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU)) { 142781e108b13b Thomas Gleixner 2020-07-22 51 ret = arch_syscall_enter_tracehook(regs); 142781e108b13b Thomas Gleixner 2020-07-22 52 if (ret || (ti_work & _TIF_SYSCALL_EMU)) 142781e108b13b Thomas Gleixner 2020-07-22 53 return -1L; 142781e108b13b Thomas Gleixner 2020-07-22 54 } 142781e108b13b Thomas Gleixner 2020-07-22 55 142781e108b13b Thomas Gleixner 2020-07-22 56 /* Do seccomp after ptrace, to catch any tracer changes. */ 142781e108b13b Thomas Gleixner 2020-07-22 57 if (ti_work & _TIF_SECCOMP) { 142781e108b13b Thomas Gleixner 2020-07-22 @58 ret = __secure_computing(NULL); 142781e108b13b Thomas Gleixner 2020-07-22 59 if (ret == -1L) 142781e108b13b Thomas Gleixner 2020-07-22 60 return ret; 142781e108b13b Thomas Gleixner 2020-07-22 61 } 142781e108b13b Thomas Gleixner 2020-07-22 62 142781e108b13b Thomas Gleixner 2020-07-22 63 if (unlikely(ti_work & _TIF_SYSCALL_TRACEPOINT)) 142781e108b13b Thomas Gleixner 2020-07-22 64 trace_sys_enter(regs, syscall); 142781e108b13b Thomas Gleixner 2020-07-22 65 142781e108b13b Thomas Gleixner 2020-07-22 66 syscall_enter_audit(regs, syscall); 142781e108b13b Thomas Gleixner 2020-07-22 67 142781e108b13b Thomas Gleixner 2020-07-22 68 return ret ? : syscall; 142781e108b13b Thomas Gleixner 2020-07-22 69 } 142781e108b13b Thomas Gleixner 2020-07-22 70
:::::: The code at line 58 was first introduced by commit :::::: 142781e108b13b2b0e8f035cfb5bfbbc8f14d887 entry: Provide generic syscall entry functionality
:::::: TO: Thomas Gleixner <tglx@linutronix.de> :::::: CC: Thomas Gleixner <tglx@linutronix.de>
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