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Message-ID: <20191123054425.GA1562@pi3.com.pl>
Date: Sat, 23 Nov 2019 06:44:25 +0100
From: Adam Zabrocki <pi3@....com.pl>
To: lkrg-users@...ts.openwall.com
Subject: Re: lkrg-0.7 implicit declaration of 'stack_trace_print'
Hi,
I believe your kernel might not be compiled with CONFIG_STACKTRACE option. This
specific call is sueful for debugging purpose and it is not critical. It is
recommended to have kernel compiled with CONFIG_STACKTRACE however as a
temporary fix you might just comment call to this function.
Thanks,
Adam
On Thu, Nov 21, 2019 at 07:38:48PM +0100, Michael de Lang wrote:
> Hello,
>
> When compiling lkrg-0.7 on ubuntu 19.10 and kernel 5.40-rc7 I get the
> following error:
>
> $ make
> make -C /lib/modules/5.4.0-rc7-custom/build M=/home/oipo/Downloads/lkrg-0.7
> modules
> make[1]: Entering directory '/usr/src/linux-headers-5.4.0-rc7-custom'
> CC [M]
> /home/oipo/Downloads/lkrg-0.7/src/modules/exploit_detection/p_exploit_detection.o
> /home/oipo/Downloads/lkrg-0.7/src/modules/exploit_detection/p_exploit_detection.c:
> In function ???p_ed_enforce_pcfi???:
> /home/oipo/Downloads/lkrg-0.7/src/modules/exploit_detection/p_exploit_detection.c:1092:7:
> error: implicit declaration of function ???stack_trace_print???; did you mean
> ???acpi_trace_point???? [-Werror=implicit-function-declaration]
> 1092 | stack_trace_print(p_trace.entries, p_trace.nr_entries, 0);
> | ^~~~~~~~~~~~~~~~~
> | acpi_trace_point
> cc1: some warnings being treated as errors
> make[2]: *** [scripts/Makefile.build:266:
> /home/oipo/Downloads/lkrg-0.7/src/modules/exploit_detection/p_exploit_detection.o]
> Error 1
> make[1]: *** [Makefile:1652: /home/oipo/Downloads/lkrg-0.7] Error 2
> make[1]: Leaving directory '/usr/src/linux-headers-5.4.0-rc7-custom'
> make: *** [Makefile:91: all] Error 2
>
> including linux/ftrace did not seem to resolve this.
>
> Met vriendelijke groet,
> Michael de Lang
--
pi3 (pi3ki31ny) - pi3 (at) itsec pl
http://pi3.com.pl
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