Package: kpatch-dkms
Version: 0.6.0-0.2
Severity: serious
Tags: sid bullseye
User: debian...@lists.debian.org
Usertags: piuparts

Hi,

kpatch-dkms fails to build a module for the current kernel in sid:

DKMS make.log for kpatch-0.6.0 for kernel 5.10.0-3-amd64 (x86_64)
Sun Feb 28 01:36:52 CET 2021
make: Entering directory '/var/lib/dkms/kpatch/0.6.0/build/kmod'
make -C core clean
make[1]: Entering directory '/var/lib/dkms/kpatch/0.6.0/build/kmod/core'
rm -f -Rf .*.o.cmd .*.ko.cmd .tmp_versions *.o *.ko *.mod.c \
Module.symvers
make[1]: Leaving directory '/var/lib/dkms/kpatch/0.6.0/build/kmod/core'
make -C core
make[1]: Entering directory '/var/lib/dkms/kpatch/0.6.0/build/kmod/core'
make -C /lib/modules/5.10.0-3-amd64/build 
M=/var/lib/dkms/kpatch/0.6.0/build/kmod/core kpatch.ko
make[2]: Entering directory '/var/lib/dkms/kpatch/0.6.0/build/kmod/core'
make[2]: warning: jobserver unavailable: using -j1.  Add '+' to parent make 
rule.
  CC [M]  /var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.o
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:143:15: error: variable 
'trace' has initializer but incomplete type
  143 | static struct stack_trace trace = {
      |               ^~~~~~~~~~~
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:144:3: error: 'struct 
stack_trace' has no member named 'max_entries'
  144 |  .max_entries = ARRAY_SIZE(stack_entries),
      |   ^~~~~~~~~~~
In file included from 
/usr/src/linux-headers-5.10.0-3-common/include/linux/list.h:9,
                 from 
/usr/src/linux-headers-5.10.0-3-common/include/linux/module.h:12,
                 from /var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:37:
/usr/src/linux-headers-5.10.0-3-common/include/linux/kernel.h:48:25: warning: 
excess elements in struct initializer
   48 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + 
__must_be_array(arr))
      |                         ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:144:17: note: in expansion of 
macro 'ARRAY_SIZE'
  144 |  .max_entries = ARRAY_SIZE(stack_entries),
      |                 ^~~~~~~~~~
/usr/src/linux-headers-5.10.0-3-common/include/linux/kernel.h:48:25: note: 
(near initialization for 'trace')
   48 | #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + 
__must_be_array(arr))
      |                         ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:144:17: note: in expansion of 
macro 'ARRAY_SIZE'
  144 |  .max_entries = ARRAY_SIZE(stack_entries),
      |                 ^~~~~~~~~~
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:145:3: error: 'struct 
stack_trace' has no member named 'entries'
  145 |  .entries = &stack_entries[0],
      |   ^~~~~~~
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:145:13: warning: excess 
elements in struct initializer
  145 |  .entries = &stack_entries[0],
      |             ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:145:13: note: (near 
initialization for 'trace')
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c: In function 
'kpatch_verify_activeness_safety':
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:274:8: error: invalid use of 
undefined type 'struct stack_trace'
  274 |   trace.nr_entries = 0;
      |        ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:275:3: error: implicit 
declaration of function 'save_stack_trace_tsk' 
[-Werror=implicit-function-declaration]
  275 |   save_stack_trace_tsk(t, &trace);
      |   ^~~~~~~~~~~~~~~~~~~~
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:276:12: error: invalid use of 
undefined type 'struct stack_trace'
  276 |   if (trace.nr_entries >= trace.max_entries) {
      |            ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:276:32: error: invalid use of 
undefined type 'struct stack_trace'
  276 |   if (trace.nr_entries >= trace.max_entries) {
      |                                ^
In file included from 
/usr/src/linux-headers-5.10.0-3-common/include/linux/kernel.h:16,
                 from 
/usr/src/linux-headers-5.10.0-3-common/include/linux/list.h:9,
                 from 
/usr/src/linux-headers-5.10.0-3-common/include/linux/module.h:12,
                 from /var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:37:
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:279:16: error: invalid use of 
undefined type 'struct stack_trace'
  279 |           trace.max_entries);
      |                ^
/usr/src/linux-headers-5.10.0-3-common/include/linux/printk.h:343:33: note: in 
definition of macro 'pr_err'
  343 |  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
      |                                 ^~~~~~~~~~~
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:283:38: error: invalid use of 
undefined type 'struct stack_trace'
  283 |                 for (i = 0; i < trace.nr_entries; i++) {
      |                                      ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:284:13: error: invalid use of 
undefined type 'struct stack_trace'
  284 |    if (trace.entries[i] == ULONG_MAX)
      |             ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:287:19: error: invalid use of 
undefined type 'struct stack_trace'
  287 |              trace.entries[i]);
      |                   ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:297:24: error: invalid use of 
undefined type 'struct stack_trace'
  297 |   for (i = 0; i < trace.nr_entries; i++) {
      |                        ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:298:13: error: invalid use of 
undefined type 'struct stack_trace'
  298 |    if (trace.entries[i] == ULONG_MAX)
      |             ^
In file included from 
/usr/src/linux-headers-5.10.0-3-common/include/linux/kernel.h:16,
                 from 
/usr/src/linux-headers-5.10.0-3-common/include/linux/list.h:9,
                 from 
/usr/src/linux-headers-5.10.0-3-common/include/linux/module.h:12,
                 from /var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:37:
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:301:24: error: invalid use of 
undefined type 'struct stack_trace'
  301 |           (void *)trace.entries[i],
      |                        ^
/usr/src/linux-headers-5.10.0-3-common/include/linux/printk.h:343:33: note: in 
definition of macro 'pr_err'
  343 |  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
      |                                 ^~~~~~~~~~~
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:302:24: error: invalid use of 
undefined type 'struct stack_trace'
  302 |           (void *)trace.entries[i]);
      |                        ^
/usr/src/linux-headers-5.10.0-3-common/include/linux/printk.h:343:33: note: in 
definition of macro 'pr_err'
  343 |  printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
      |                                 ^~~~~~~~~~~
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c: In function 
'kpatch_find_external_symbol':
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:661:8: error: implicit 
declaration of function 'find_symbol'; did you mean 'sprint_symbol'? 
[-Werror=implicit-function-declaration]
  661 |  sym = find_symbol(name, NULL, NULL, true, true);
      |        ^~~~~~~~~~~
      |        sprint_symbol
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:661:6: warning: assignment to 
'const struct kernel_symbol *' from 'int' makes pointer from integer without a 
cast [-Wint-conversion]
  661 |  sym = find_symbol(name, NULL, NULL, true, true);
      |      ^
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c: In function 
'kpatch_write_relocations':
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:766:9: error: implicit 
declaration of function 'probe_kernel_write'; did you mean 'kernel_write'? 
[-Werror=implicit-function-declaration]
  766 |   ret = probe_kernel_write((void *)loc, &val, size);
      |         ^~~~~~~~~~~~~~~~~~
      |         kernel_write
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c: At top level:
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.c:143:27: error: storage size 
of 'trace' isn't known
  143 | static struct stack_trace trace = {
      |                           ^~~~~
cc1: some warnings being treated as errors
make[4]: *** 
[/usr/src/linux-headers-5.10.0-3-common/scripts/Makefile.build:284: 
/var/lib/dkms/kpatch/0.6.0/build/kmod/core/core.o] Error 1
make[3]: *** [/usr/src/linux-headers-5.10.0-3-common/Makefile:1817: 
/var/lib/dkms/kpatch/0.6.0/build/kmod/core] Error 2
make[2]: *** [/usr/src/linux-headers-5.10.0-3-common/Makefile:185: __sub-make] 
Error 2
make[2]: Leaving directory '/usr/src/linux-headers-5.10.0-3-amd64'
make[1]: *** [Makefile:13: kpatch.ko] Error 2
make[1]: Leaving directory '/var/lib/dkms/kpatch/0.6.0/build/kmod/core'
make: *** [Makefile:7: all] Error 2
make: Leaving directory '/var/lib/dkms/kpatch/0.6.0/build/kmod'


Andreas

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