Re: [PATCH] selftests/ftrace: Use readelf to find entry point in uprobe test

[Shuah Khan <skhan@linuxfoundation.org>]

On 2/26/25 10:13, Steven Rostedt wrote:
> On Thu, 20 Feb 2025 14:01:02 +0100
> Heiko Carstens <hca@linux.ibm.com> wrote:
> 
>> The uprobe events test fails on s390, but also on x86 (Fedora 41). The
>> problem appears to be that there is an assumption that adding a uprobe to
>> the beginning of the executable mapping of /bin/sh is sufficient to trigger
>> a uprobe event when /bin/sh is executed.
>>
>> This assumption is not necessarily true. Therefore use "readelf -h" to find
>> the entry point address of /bin/sh and use this address when adding the
>> uprobe event.
>>
>> This adds a dependency to readelf which is not always installed. Therefore
>> add a check and exit with exit_unresolved if it is not installed.
>>
>> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
> 
> Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
> 
> Shuah,
> 
> Can you take this in your tree?
> 
> -- Steve

Applied to linux_kselftest next for Linux 6.15-rc1.

thanks,
-- Shuah