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From: "agentzh at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sourceware.org
Subject: [Bug runtime/31024] New: uprobes might work on the fake proxy inodes
 instead of the real inodes when overlay fs is used
Date: Wed, 01 Nov 2023 20:28:49 +0000
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X-Bugzilla-Product: systemtap
X-Bugzilla-Component: runtime
X-Bugzilla-Version: unspecified
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X-Bugzilla-Severity: normal
X-Bugzilla-Who: agentzh at gmail dot com
X-Bugzilla-Status: UNCONFIRMED
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X-Bugzilla-Priority: P2
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31024

            Bug ID: 31024
           Summary: uprobes might work on the fake proxy inodes instead of
                    the real inodes when overlay fs is used
           Product: systemtap
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: runtime
          Assignee: systemtap at sourceware dot org
          Reporter: agentzh at gmail dot com
  Target Milestone: ---

overlay fs is popular in containerized applications and currently the stap
runtime does not always use the real inode for the target processes/program=
s.
This may make the uprobes registered on the fake inode insead of the true o=
nes,
making the probe handlers never fire.

I've got a patch to push soon.

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