Bug#928240: etw: Segmentation fault at start

[Markus Koschany]

Hi,

Am 01.05.19 um 00:31 schrieb Steinar H. Gunderson:
> On Tue, Apr 30, 2019 at 11:23:52PM +0100, Simon McVittie wrote:
>>> On a quick analysis: It appears that etw tries to find its own path by
>>> opening /proc/self/maps (code is in etw/prefix.c), looking for an executable
>>> mapping (r-xp) that contains the string "", and then looking at the path.
>> This seems unnecessarily complicated? /proc/self/maps is Linux-specific,
>> and if relying on Linux-specific things is acceptable, then
>> evaluating the symlink /proc/self/exe seems a lot easier. (See
>> e.g. Sys_FindExecutableName() in darkplaces.)
> 
> Yes; it seems to be written by someone whose primary experience was with
> Windows, given that it talks about LINUX and not Linux. :-)
> 
> However, given that we are in deep freeze, you probably want the smallest
> possible fix for buster.
> 
> /* Steinar */

Thanks for providing a solution and a way forward. Could you provide a
trivial fix/patch as well? I'm willing to test it and ask the release
team for an unblock. I currently don't understand the underlying issue
and why it was triggered in the first place but I gladly accept patches.

Regards,

Markus

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