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Date: Wed, 8 Apr 2020 23:44:47 +0200
From: "bryn1u85 ." <m.bryn1u@...il.com>
To: lkrg-users@...ts.openwall.com, Adam Zabrocki <pi3@....com.pl>
Subject: error: invalid application of ‘sizeof’ to incomplete type ‘struct text_poke_loc’ - kernel - 5.6.2

Hey everybody,

I have installed kernel-5.6.2 and getting error as below:

[root@...ton lkrg-main]# make -j8
make -C /lib/modules/5.6.2/build M=/root/lkrg-main modules
make[1]: Entering directory '/usr/src/kernels/5.6.2'
  CC [M]  /root/lkrg-main/src/modules/ksyms/p_resolve_ksym.o
  CC [M]  /root/lkrg-main/src/modules/hashing/p_lkrg_fast_hash.o
  CC [M]  /root/lkrg-main/src/modules/comm_channel/p_comm_channel.o
  CC [M]  /root/lkrg-main/src/modules/integrity_timer/p_integrity_timer.o
  CC [M]  /root/lkrg-main/src/modules/database/CPU.o
  CC [M]  /root/lkrg-main/src/modules/kmod/p_kmod.o
  CC [M]  /root/lkrg-main/src/modules/database/arch/x86/p_x86_metadata.o
  CC [M]
 /root/lkrg-main/src/modules/database/arch/x86/p_switch_idt/p_switch_idt.o
  CC [M]  /root/lkrg-main/src/modules/database/arch/arm64/p_arm64_metadata.o
  CC [M]  /root/lkrg-main/src/modules/database/arch/arm/p_arm_metadata.o
  CC [M]  /root/lkrg-main/src/modules/database/arch/p_arch_metadata.o
  CC [M]
 /root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform/p_arch_jump_label_transform.o
  CC [M]
 /root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/p_arch_jump_label_transform_apply.o
  CC [M]  /root/lkrg-main/src/modules/database/p_database.o
  CC [M]  /root/lkrg-main/src/modules/notifiers/p_notifiers.o
  CC [M]  /root/lkrg-main/src/modules/self-defense/hiding/p_hiding.o
In file included from
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/../../../../modules/database/p_database.h:87,
                 from
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/../../../../p_lkrg_main.h:192,
                 from
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/p_arch_jump_label_transform_apply.c:31:
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/../../../../modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/p_arch_jump_label_transform_apply.h:40:42:
error: invalid application of ‘sizeof’ to incomplete type ‘struct
text_poke_loc’
   40 | #define P_TP_VEC_MAX (PAGE_SIZE / sizeof(struct text_poke_loc))
      |                                          ^~~~~~
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/p_arch_jump_label_transform_apply.c:35:31:
note: in expansion of macro ‘P_TP_VEC_MAX’
   35 | unsigned long p_jl_batch_addr[P_TP_VEC_MAX];
      |                               ^~~~~~~~~~~~
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/p_arch_jump_label_transform_apply.c:
In function ‘p_arch_jump_label_transform_apply_entry’:
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/p_arch_jump_label_transform_apply.c:67:77:
error: invalid application of ‘sizeof’ to incomplete type ‘struct
text_poke_loc’
   67 |       p_tmp = (struct text_poke_loc
*)&P_SYM(p_tp_vec)[p_jl_batch_nr*sizeof(struct text_poke_loc)];
      |
        ^~~~~~
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/p_arch_jump_label_transform_apply.c:68:16:
error: dereferencing pointer to incomplete type ‘struct text_poke_loc’
   68 |       if (p_tmp->len == JUMP_LABEL_NOP_SIZE &&
      |                ^~
make[2]: *** [scripts/Makefile.build:268:
/root/lkrg-main/src/modules/database/JUMP_LABEL/p_arch_jump_label_transform_apply/p_arch_jump_label_transform_apply.o]
Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [Makefile:1683: /root/lkrg-main] Error 2
make[1]: Leaving directory '/usr/src/kernels/5.6.2'
make: *** [Makefile:98: all] Error 2
[root@...ton lkrg-main]#

Someone can help ?
Thanks !

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