* kernel/trace/bpf_trace.c:348:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag')
@ 2025-02-06 12:53 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-02-06 12:53 UTC (permalink / raw)
Cc: oe-kbuild-all, llvm
CC: linux-kernel@vger.kernel.org
TO: Hao Luo <haoluo@google.com>
CC: Alexei Starovoitov <ast@kernel.org>
Hi Hao,
FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 92514ef226f511f2ca1fb1b8752966097518edc0
commit: 216e3cd2f28dbbf1fe86848e0e29e6693b9f0a20 bpf: Add MEM_RDONLY for helper args that are pointers to rdonly mem.
date: 3 years, 2 months ago
config: arm-randconfig-004-20250120 (https://download.01.org/0day-ci/archive/20250206/202502062033.oIGBQgov-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250206/202502062033.oIGBQgov-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502062033.oIGBQgov-lkp@intel.com/
All warnings (new ones prefixed by >>):
In file included from kernel/trace/bpf_trace.c:8:
In file included from include/linux/bpf.h:20:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:1721:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> kernel/trace/bpf_trace.c:348:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
348 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:397:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
397 | .arg1_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:453:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
453 | .arg1_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:455:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
455 | .arg3_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
kernel/trace/bpf_trace.c:495:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
495 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:497:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
497 | .arg4_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
kernel/trace/bpf_trace.c:512:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
512 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:536:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
536 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:697:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
697 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:1007:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1007 | .arg3_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:1337:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1337 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:1559:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1559 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/trace/bpf_trace.c:1613:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1613 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
14 warnings generated.
--
In file included from kernel/bpf/syscall.c:4:
In file included from include/linux/bpf.h:20:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:1721:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> kernel/bpf/syscall.c:4776:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4776 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
2 warnings generated.
--
In file included from kernel/bpf/verifier.c:7:
In file included from include/linux/bpf-cgroup.h:5:
In file included from include/linux/bpf.h:20:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:1721:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
kernel/bpf/verifier.c:563:11: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
563 | if (type & PTR_MAYBE_NULL) {
| ~~~~ ^ ~~~~~~~~~~~~~~
kernel/bpf/verifier.c:571:11: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
571 | if (type & MEM_RDONLY)
| ~~~~ ^ ~~~~~~~~~~
>> kernel/bpf/verifier.c:5195:15: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5195 | if (arg_type & MEM_RDONLY)
| ~~~~~~~~ ^ ~~~~~~~~~~
kernel/bpf/verifier.c:5197:15: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5197 | if (arg_type & PTR_MAYBE_NULL)
| ~~~~~~~~ ^ ~~~~~~~~~~~~~~
kernel/bpf/verifier.c:6647:43: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6647 | regs[BPF_REG_0].type = PTR_TO_MAP_VALUE | ret_flag;
| ~~~~~~~~~~~~~~~~ ^ ~~~~~~~~
kernel/bpf/verifier.c:6654:40: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6654 | regs[BPF_REG_0].type = PTR_TO_SOCKET | ret_flag;
| ~~~~~~~~~~~~~ ^ ~~~~~~~~
kernel/bpf/verifier.c:6657:45: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6657 | regs[BPF_REG_0].type = PTR_TO_SOCK_COMMON | ret_flag;
| ~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~
kernel/bpf/verifier.c:6660:42: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6660 | regs[BPF_REG_0].type = PTR_TO_TCP_SOCK | ret_flag;
| ~~~~~~~~~~~~~~~ ^ ~~~~~~~~
kernel/bpf/verifier.c:6663:37: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6663 | regs[BPF_REG_0].type = PTR_TO_MEM | ret_flag;
| ~~~~~~~~~~ ^ ~~~~~~~~
kernel/bpf/verifier.c:6683:38: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6683 | regs[BPF_REG_0].type = PTR_TO_MEM | ret_flag;
| ~~~~~~~~~~ ^ ~~~~~~~~
kernel/bpf/verifier.c:6693:41: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6693 | regs[BPF_REG_0].type = PTR_TO_BTF_ID | ret_flag;
| ~~~~~~~~~~~~~ ^ ~~~~~~~~
kernel/bpf/verifier.c:6701:40: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6701 | regs[BPF_REG_0].type = PTR_TO_BTF_ID | ret_flag;
| ~~~~~~~~~~~~~ ^ ~~~~~~~~
kernel/bpf/verifier.c:7324:20: warning: bitwise operation between different enumeration types ('const enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
7324 | if (ptr_reg->type & PTR_MAYBE_NULL) {
| ~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
kernel/bpf/verifier.c:11717:38: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
11717 | aux->btf_var.reg_type = PTR_TO_MEM | MEM_RDONLY;
| ~~~~~~~~~~ ^ ~~~~~~~~~~
15 warnings generated.
--
In file included from kernel/bpf/helpers.c:4:
In file included from include/linux/bpf.h:20:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:1721:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> kernel/bpf/helpers.c:534:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
534 | .arg1_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/bpf/helpers.c:562:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
562 | .arg1_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/bpf/helpers.c:648:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
648 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/bpf/helpers.c:685:39: warning: bitwise operation between different enumeration types ('enum bpf_return_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
685 | .ret_type = RET_PTR_TO_MEM_OR_BTF_ID | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
kernel/bpf/helpers.c:698:39: warning: bitwise operation between different enumeration types ('enum bpf_return_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
698 | .ret_type = RET_PTR_TO_MEM_OR_BTF_ID | MEM_RDONLY,
| ~~~~~~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
kernel/bpf/helpers.c:1029:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1029 | .arg4_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
7 warnings generated.
--
In file included from kernel/bpf/ringbuf.c:1:
In file included from include/linux/bpf.h:20:
In file included from include/linux/kallsyms.h:13:
In file included from include/linux/mm.h:1721:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> kernel/bpf/ringbuf.c:447:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
447 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
2 warnings generated.
--
In file included from kernel/bpf/btf.c:6:
In file included from include/uapi/linux/bpf_perf_event.h:11:
In file included from ./arch/arm/include/generated/uapi/asm/bpf_perf_event.h:1:
In file included from include/uapi/asm-generic/bpf_perf_event.h:4:
In file included from include/linux/ptrace.h:10:
In file included from include/linux/pid_namespace.h:7:
In file included from include/linux/mm.h:1721:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
kernel/bpf/btf.c:5862:27: warning: bitwise operation between different enumeration types ('enum bpf_reg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5862 | reg->type = PTR_TO_MEM | PTR_MAYBE_NULL;
| ~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
>> kernel/bpf/btf.c:6356:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6356 | .arg1_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
3 warnings generated.
--
In file included from net/core/filter.c:23:
In file included from include/linux/mm.h:1721:
include/linux/vmstat.h:522:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
522 | return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
| ~~~~~~~~~~~ ^ ~~~
>> net/core/filter.c:1715:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
1715 | .arg3_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:2020:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
2020 | .arg1_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
net/core/filter.c:2022:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
2022 | .arg3_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
net/core/filter.c:2543:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
2543 | .arg2_type = ARG_PTR_TO_MEM | PTR_MAYBE_NULL | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~
net/core/filter.c:4176:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4176 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:4190:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4190 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:4373:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4373 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:4399:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4399 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:4569:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4569 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:4583:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
4583 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5069:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5069 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5103:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5103 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5137:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5137 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5312:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5312 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5900:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5900 | .arg3_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:5910:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
5910 | .arg3_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6266:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6266 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6285:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6285 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6304:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6304 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6341:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6341 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6364:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6364 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6387:35: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6387 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6406:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6406 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6425:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6425 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6444:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6444 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6757:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6757 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6759:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6759 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6826:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6826 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:6828:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
6828 | .arg4_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
net/core/filter.c:7057:30: warning: bitwise operation between different enumeration types ('enum bpf_arg_type' and 'enum bpf_type_flag') [-Wenum-enum-conversion]
7057 | .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
| ~~~~~~~~~~~~~~ ^ ~~~~~~~~~~
31 warnings generated.
vim +348 kernel/trace/bpf_trace.c
342
343 static const struct bpf_func_proto bpf_probe_write_user_proto = {
344 .func = bpf_probe_write_user,
345 .gpl_only = true,
346 .ret_type = RET_INTEGER,
347 .arg1_type = ARG_ANYTHING,
> 348 .arg2_type = ARG_PTR_TO_MEM | MEM_RDONLY,
349 .arg3_type = ARG_CONST_SIZE,
350 };
351
--
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https://github.com/intel/lkp-tests/wiki
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