Build issue on Fedora 32

[ipuustin]

Compiling with the example cmake and make commands gives me this build error on Fedora 32 (gcc (GCC) 10.0.1 20200430 (Red Hat 10.0.1-0.13)):

$ CC=gcc CXX=g++ cmake CMakeLists.txt -B_build -DARCH=intel64
$ cd _build
$ make all

...

[  0%] Building C object sources/ippcp/CMakeFiles/ippcp_s_m7.dir/pcpaes_ccmencrypt.c.o
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c: In function ‘m7_ippsAES_CCMEncrypt’:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:28:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcptool.h:41:12: error: writing 1 byte into a region of size 0 [-Werror=stringop-overflow=]
   41 |       d[k] = s[k];
      |       ~~~~~^~~~~~
In file included from /home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaes_ccmencrypt.c:27:
/home/ipuustin/git/ipp-crypto/sources/ippcp/pcpaesauthccm.h:43:13: note: at offset 0 to object ‘blk’ with size 16 declared here
   43 |    Ipp8u    blk[MBS_RIJ128];  /* temporary data container */
      |             ^~~
cc1: all warnings being treated as errors
make[2]: *** [sources/ippcp/CMakeFiles/ippcp_s_m7.dir/build.make:525: sources/ippcp/CMakeFiles/ippcp_s_m7.dir/pcpaes_ccmencrypt.c.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:210: sources/ippcp/CMakeFiles/ippcp_s_m7.dir/all] Error 2
make: *** [Makefile:150: all] Error 2

[FLTLN]

Hello Ismo,

Thank you for drawing our attention to this issue. We will investigate it.

Regards, Maksim

[FLTLN]

Hello Ismo,

We are investigated and fixed this issue. These warnings are all false positive, but despite this we made changes in our sources to remove them. Updates in repository will be available soon. Thank you for you interest to IPP Crypto.

Regards, Maksim

[FLTLN]

Hello Ismo,

Fix is available now.

Regards, Maksim