../kernel/bpf/syscall.c: In function ‘collect_externs’:
../kernel/bpf/syscall.c:6438:36: error: passing argument 1 of ‘sym_is_extern’ from incompatible pointer type [-Wincompatible-pointer-types]
 6438 |                 if (!sym_is_extern(&sym[i]))
      |                                    ^~~~~~~
      |                                    |
      |                                    Elf32_Sym * {aka struct elf32_sym *}
../kernel/bpf/syscall.c:6082:44: note: expected ‘const Elf64_Sym *’ {aka ‘const struct elf64_sym *’} but argument is of type ‘Elf32_Sym *’ {aka ‘struct elf32_sym *’}
 6082 | static bool sym_is_extern(const Elf64_Sym *sym)
      |                           ~~~~~~~~~~~~~~~~~^~~
../kernel/bpf/syscall.c:6463:34: error: implicit declaration of function ‘bpf_core_essential_name_len’ [-Wimplicit-function-declaration]
 6463 |                 ext_essent_len = bpf_core_essential_name_len(ext->name);
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
../kernel/bpf/syscall.c: In function ‘load_fd’:
../kernel/bpf/syscall.c:6794:47: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 6794 |                 if (copy_from_user(obj->maps, (const void *)attr->load_fd.maps,
      |                                               ^
../kernel/bpf/syscall.c:6814:45: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 6814 |                 if (copy_from_user(modules, (const void *)attr->load_fd.modules,
      |                                             ^
make[5]: *** [../scripts/Makefile.build:194: kernel/bpf/syscall.o] Error 1
make[4]: *** [../scripts/Makefile.build:440: kernel/bpf] Error 2
make[3]: *** [../scripts/Makefile.build:440: kernel] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1993: .] Error 2
make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2
../kernel/bpf/syscall.c: In function ‘collect_externs’:
../kernel/bpf/syscall.c:6438:36: error: passing argument 1 of ‘sym_is_extern’ from incompatible pointer type [-Wincompatible-pointer-types]
 6438 |                 if (!sym_is_extern(&sym[i]))
      |                                    ^~~~~~~
      |                                    |
      |                                    Elf32_Sym * {aka struct elf32_sym *}
../kernel/bpf/syscall.c:6082:44: note: expected ‘const Elf64_Sym *’ {aka ‘const struct elf64_sym *’} but argument is of type ‘Elf32_Sym *’ {aka ‘struct elf32_sym *’}
 6082 | static bool sym_is_extern(const Elf64_Sym *sym)
      |                           ~~~~~~~~~~~~~~~~~^~~
../kernel/bpf/syscall.c:6463:34: error: implicit declaration of function ‘bpf_core_essential_name_len’ [-Wimplicit-function-declaration]
 6463 |                 ext_essent_len = bpf_core_essential_name_len(ext->name);
      |                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~
../kernel/bpf/syscall.c: In function ‘find_elf_var_sym’:
../kernel/bpf/syscall.c:6664:32: error: returning ‘Elf32_Sym *’ {aka ‘struct elf32_sym *’} from a function with incompatible return type ‘Elf64_Sym *’ {aka ‘struct elf64_sym *’} [-Wincompatible-pointer-types]
 6664 |                         return &sym[i];
      |                                ^~~~~~~
../kernel/bpf/syscall.c: In function ‘load_fd’:
../kernel/bpf/syscall.c:6979:47: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 6979 |                 if (copy_from_user(obj->maps, (const void *)attr->load_fd.maps,
      |                                               ^
../kernel/bpf/syscall.c:6999:45: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 6999 |                 if (copy_from_user(modules, (const void *)attr->load_fd.modules,
      |                                             ^
make[5]: *** [../scripts/Makefile.build:194: kernel/bpf/syscall.o] Error 1
make[4]: *** [../scripts/Makefile.build:440: kernel/bpf] Error 2
make[3]: *** [../scripts/Makefile.build:440: kernel] Error 2
make[3]: *** Waiting for unfinished jobs....
make[2]: *** [/home/nipa/net-next/wt-1/Makefile:1993: .] Error 2
make[1]: *** [/home/nipa/net-next/wt-1/Makefile:251: __sub-make] Error 2
make: *** [Makefile:251: __sub-make] Error 2
New errors added
--- /tmp/tmp.tsr7CxUZVV	2025-01-09 14:49:44.651606937 -0800
+++ /tmp/tmp.O2lIeZhWun	2025-01-09 14:49:56.295482499 -0800
@@ -12,0 +13,4 @@
+../kernel/bpf/syscall.c: In function ‘find_elf_var_sym’:
+../kernel/bpf/syscall.c:6664:32: error: returning ‘Elf32_Sym *’ {aka ‘struct elf32_sym *’} from a function with incompatible return type ‘Elf64_Sym *’ {aka ‘struct elf64_sym *’} [-Wincompatible-pointer-types]
+ 6664 |                         return &sym[i];
+      |                                ^~~~~~~
@@ -14,2 +18,2 @@
-../kernel/bpf/syscall.c:6794:47: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
- 6794 |                 if (copy_from_user(obj->maps, (const void *)attr->load_fd.maps,
+../kernel/bpf/syscall.c:6979:47: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
+ 6979 |                 if (copy_from_user(obj->maps, (const void *)attr->load_fd.maps,
@@ -17,2 +21,2 @@
-../kernel/bpf/syscall.c:6814:45: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
- 6814 |                 if (copy_from_user(modules, (const void *)attr->load_fd.modules,
+../kernel/bpf/syscall.c:6999:45: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
+ 6999 |                 if (copy_from_user(modules, (const void *)attr->load_fd.modules,
Per-file breakdown
--- /tmp/tmp.PeVcOgrz0j	2025-01-09 14:49:56.303482413 -0800
+++ /tmp/tmp.O0uqAdffKQ	2025-01-09 14:49:56.306482381 -0800
@@ -1 +1 @@
-      4 ../kernel/bpf/syscall.c
+      5 ../kernel/bpf/syscall.c