linux-kernel - [jolsa-perf:kprobe/multi 9/14] kernel/bpf/syscall.c:3101:25: error: implicit declaration of function 'get

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <202201041923.vrtf9Rke-lkp@intel.com>
Date:   Tue, 4 Jan 2022 20:02:36 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jiri Olsa <jolsa@...nel.org>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org
Subject: [jolsa-perf:kprobe/multi 9/14] kernel/bpf/syscall.c:3101:25: error:
 implicit declaration of function 'get_kretprobe'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git kprobe/multi
head:   27d253a29de023f664387fcc049edeeaadf23c8e
commit: b8b03607ea9875a92ea20941ebe6813fb052aeff [9/14] bpf: Add kprobe link for attaching raw kprobes
config: i386-buildonly-randconfig-r001-20220104 (https://download.01.org/0day-ci/archive/20220104/202201041923.vrtf9Rke-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b50fea47b6c454581fce89af359f3afe5154986c)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git/commit/?id=b8b03607ea9875a92ea20941ebe6813fb052aeff
        git remote add jolsa-perf https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
        git fetch --no-tags jolsa-perf kprobe/multi
        git checkout b8b03607ea9875a92ea20941ebe6813fb052aeff
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   In file included from kernel/bpf/syscall.c:35:
   include/linux/kprobes.h:77:21: error: field has incomplete type 'struct ftrace_ops'
                   struct ftrace_ops ops;
                                     ^
   include/linux/ftrace.h:332:8: note: forward declaration of 'struct ftrace_ops'
   struct ftrace_ops;
          ^
>> kernel/bpf/syscall.c:3101:25: error: implicit declaration of function 'get_kretprobe' [-Werror,-Wimplicit-function-declaration]
           struct kretprobe *rp = get_kretprobe(ri);
                                  ^
   kernel/bpf/syscall.c:3101:25: note: did you mean 'get_kprobe'?
   include/linux/kprobes.h:479:30: note: 'get_kprobe' declared here
   static inline struct kprobe *get_kprobe(void *addr)
                                ^
   kernel/bpf/syscall.c:3101:20: warning: incompatible integer to pointer conversion initializing 'struct kretprobe *' with an expression of type 'int' [-Wint-conversion]
           struct kretprobe *rp = get_kretprobe(ri);
                             ^    ~~~~~~~~~~~~~~~~~
   1 warning and 2 errors generated.


vim +/get_kretprobe +3101 kernel/bpf/syscall.c

  3097	
  3098	static int
  3099	kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs)
  3100	{
> 3101		struct kretprobe *rp = get_kretprobe(ri);
  3102		struct bpf_kprobe_link *kprobe_link;
  3103	
  3104		kprobe_link = container_of(rp, struct bpf_kprobe_link, rp);
  3105		return kprobe_link_prog_run(kprobe_link, regs);
  3106	}
  3107	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org