=== Building 'vboxdrv' module ===
make[1]: Entering directory '/usr/src/kernel-modules/virtualbox/src/vboxdrv'
make V= CONFIG_MODULE_SIG= -C /lib/modules/5.6.0-2.gbf56c5b-default/build M=/usr/src/kernel-modules/virtualbox/src/vboxdrv SRCROOT=/usr/src/kernel-modules/virtualbox/src/vboxdrv -j12 modules
make[2]: Entering directory '/usr/src/linux-5.6.0-2.gbf56c5b-obj/x86_64/default'
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/linux/SUPDrv-linux.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrv.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvSem.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvTracer.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPLibAll.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/alloc-r0drv.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/initterm-r0drv.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/memobj-r0drv.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/mpnotification-r0drv.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/powernotification-r0drv.o
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/assert-r0drv-linux.o
In file included from /usr/src/linux-5.6.0-2.gbf56c5b/include/linux/compiler_types.h:59:0,
                 from <command-line>:0:
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c: In function ‘supdrvTscDeltaThread’:
/usr/src/linux-5.6.0-2.gbf56c5b/include/linux/compiler_attributes.h:200:41: error: expected ‘)’ before ‘__attribute__’
 # define fallthrough                    __attribute__((__fallthrough__))
                                         ^
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/cdefs.h:1169:48: note: in expansion of macro ‘fallthrough’
 # define RT_FALL_THROUGH()      __attribute__((fallthrough))
                                                ^~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/cdefs.h:1176:33: note: in expansion of macro ‘RT_FALL_THROUGH’
 #define RT_FALL_THRU()          RT_FALL_THROUGH()
                                 ^~~~~~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:4192:17: note: in expansion of macro ‘RT_FALL_THRU’
                 RT_FALL_THRU();
                 ^~~~~~~~~~~~
In file included from /usr/src/kernel-modules/virtualbox/src/vboxdrv/include/VBox/cdefs.h:32:0,
                 from /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvInternal.h:37,
                 from /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:33:
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/cdefs.h:1169:60: error: expected identifier or ‘(’ before ‘)’ token
 # define RT_FALL_THROUGH()      __attribute__((fallthrough))
                                                            ^
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/cdefs.h:1176:33: note: in expansion of macro ‘RT_FALL_THROUGH’
 #define RT_FALL_THRU()          RT_FALL_THROUGH()
                                 ^~~~~~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:4192:17: note: in expansion of macro ‘RT_FALL_THRU’
                 RT_FALL_THRU();
                 ^~~~~~~~~~~~
In file included from /usr/src/linux-5.6.0-2.gbf56c5b/include/linux/compiler_types.h:59:0,
                 from <command-line>:0:
/usr/src/linux-5.6.0-2.gbf56c5b/include/linux/compiler_attributes.h:200:41: error: expected ‘)’ before ‘__attribute__’
 # define fallthrough                    __attribute__((__fallthrough__))
                                         ^
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/cdefs.h:1169:48: note: in expansion of macro ‘fallthrough’
 # define RT_FALL_THROUGH()      __attribute__((fallthrough))
                                                ^~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/cdefs.h:1176:33: note: in expansion of macro ‘RT_FALL_THROUGH’
 #define RT_FALL_THRU()          RT_FALL_THROUGH()
                                 ^~~~~~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:4221:17: note: in expansion of macro ‘RT_FALL_THRU’
                 RT_FALL_THRU();
                 ^~~~~~~~~~~~
In file included from /usr/src/kernel-modules/virtualbox/src/vboxdrv/include/VBox/cdefs.h:32:0,
                 from /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvInternal.h:37,
                 from /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:33:
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/cdefs.h:1169:60: error: expected identifier or ‘(’ before ‘)’ token
 # define RT_FALL_THROUGH()      __attribute__((fallthrough))
                                                            ^
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/cdefs.h:1176:33: note: in expansion of macro ‘RT_FALL_THROUGH’
 #define RT_FALL_THRU()          RT_FALL_THROUGH()
                                 ^~~~~~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:4221:17: note: in expansion of macro ‘RT_FALL_THRU’
                 RT_FALL_THRU();
                 ^~~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:4190:20: warning: this statement may fall through [-Wimplicit-fallthrough=]
                 if (RT_FAILURE(rc))
                    ^
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:4195:13: note: here
             case kTscDeltaThreadState_Listening:
             ^~~~
In file included from <command-line>:0:0:
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/VBox/SUPDrvMangling.h:35:30: warning: this statement may fall through [-Wimplicit-fallthrough=]
 #define RT_MANGLER(symbol)   VBoxHost_##symbol
/usr/src/kernel-modules/virtualbox/src/vboxdrv/include/iprt/mangling.h:2328:57: note: in expansion of macro ‘RT_MANGLER’
 # define RTThreadSleep                                  RT_MANGLER(RTThreadSleep)
                                                         ^~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:4220:17: note: in expansion of macro ‘RTThreadSleep’
                 RTThreadSleep(1);
                 ^~~~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.c:4224:13: note: here
             case kTscDeltaThreadState_Measuring:
             ^~~~
make[4]: *** [/usr/src/linux-5.6.0-2.gbf56c5b/scripts/Makefile.build:268: /usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvGip.o] Error 1
make[4]: *** Waiting for unfinished jobs....
  CC [M]  /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/alloc-r0drv-linux.o
In file included from /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/alloc-r0drv-linux.c:31:0:
/usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/alloc-r0drv-linux.c: In function ‘VBoxHost_RTMemContAlloc’:
/usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/the-linux-kernel.h:340:47: error: implicit declaration of function ‘set_pages_x’; did you mean ‘set_pages_rw’? [-Werror=implicit-function-declaration]
 # define MY_SET_PAGES_EXEC(pPages, cPages)    set_pages_x(pPages, cPages)
                                               ^
/usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/alloc-r0drv-linux.c:448:13: note: in expansion of macro ‘MY_SET_PAGES_EXEC’
             MY_SET_PAGES_EXEC(&paPages[iPage], 1);
             ^~~~~~~~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/alloc-r0drv-linux.c: In function ‘VBoxHost_RTMemContFree’:
/usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/the-linux-kernel.h:341:47: error: implicit declaration of function ‘set_pages_nx’; did you mean ‘set_pages_rw’? [-Werror=implicit-function-declaration]
 # define MY_SET_PAGES_NOEXEC(pPages, cPages)  set_pages_nx(pPages, cPages)
                                               ^
/usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/alloc-r0drv-linux.c:496:13: note: in expansion of macro ‘MY_SET_PAGES_NOEXEC’
             MY_SET_PAGES_NOEXEC(&paPages[iPage], 1);
             ^~~~~~~~~~~~~~~~~~~
/usr/src/kernel-modules/virtualbox/src/vboxdrv/linux/SUPDrv-linux.o: warning: objtool: VBoxDrvLinuxIOCtl_6_0_12()+0x98: call to VBoxHost_RTR0MemUserCopyFrom() with UACCESS enabled
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvTracer.o: warning: objtool: .text+0x7: indirect jump found in RETPOLINE build
/usr/src/kernel-modules/virtualbox/src/vboxdrv/SUPDrvTracer.o: warning: objtool: supdrvTracerProbeFireStub() is missing an ELF size annotation
cc1: some warnings being treated as errors
make[4]: *** [/usr/src/linux-5.6.0-2.gbf56c5b/scripts/Makefile.build:268: /usr/src/kernel-modules/virtualbox/src/vboxdrv/r0drv/linux/alloc-r0drv-linux.o] Error 1
make[3]: *** [/usr/src/linux-5.6.0-2.gbf56c5b/Makefile:1698: /usr/src/kernel-modules/virtualbox/src/vboxdrv] Error 2
make[2]: *** [../../../linux-5.6.0-2.gbf56c5b/Makefile:180: sub-make] Error 2
make[2]: Leaving directory '/usr/src/linux-5.6.0-2.gbf56c5b-obj/x86_64/default'
make[1]: *** [/usr/src/kernel-modules/virtualbox/src/vboxdrv/Makefile-footer.gmk:111: vboxdrv] Error 2
make[1]: Leaving directory '/usr/src/kernel-modules/virtualbox/src/vboxdrv'
make: *** [Makefile:58: vboxdrv] Error 2