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test_kprobes: fix implicit declaration error of test_kprobes

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If KPROBES_SANITY_TEST and ARCH_CORRECT_STACKTRACE_ON_KRETPROBE is enabled, but
STACKTRACE is not set. Build failed as below:

lib/test_kprobes.c: In function `stacktrace_return_handler':
lib/test_kprobes.c:228:8: error: implicit declaration of function `stack_trace_save'; did you mean `stacktrace_driver'? [-Werror=implicit-function-declaration]
  ret = stack_trace_save(stack_buf, STACK_BUF_SIZE, 0);
        ^~~~~~~~~~~~~~~~
        stacktrace_driver
cc1: all warnings being treated as errors
scripts/Makefile.build:250: recipe for target 'lib/test_kprobes.o' failed
make[2]: *** [lib/test_kprobes.o] Error 1

To fix this error, Select STACKTRACE if ARCH_CORRECT_STACKTRACE_ON_KRETPROBE is enabled.

Link: https://lkml.kernel.org/r/20221121030620.63181-1-hucool.lihua@huawei.com
Fixes: 1f6d3a8f5e ("kprobes: Add a test case for stacktrace from kretprobe handler")
Signed-off-by: Li Hua <hucool.lihua@huawei.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Li Hua 2022-11-21 11:06:20 +08:00 committed by Andrew Morton
parent 512c5ca01a
commit de3db3f883
1 changed files with 1 additions and 0 deletions
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lib/Kconfig.debug
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@ -2107,6 +2107,7 @@ config KPROBES_SANITY_TEST
depends on DEBUG_KERNEL
depends on KPROBES
depends on KUNIT
select STACKTRACE if ARCH_CORRECT_STACKTRACE_ON_KRETPROBE
default KUNIT_ALL_TESTS
help
This option provides for testing basic kprobes functionality on