[Bug libdw/34579] libdwfl_stacktrace: dwflst_sample_getframes retains caller-owned buffers after return, causing use-after-free on re-entry

[serhei at serhei dot io]

https://sourceware.org/bugzilla/show_bug.cgi?id=34579

Serhei Makarov <serhei at serhei dot io> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |serhei at serhei dot io
         Resolution|---                         |FIXED

--- Comment #3 from Serhei Makarov <serhei at serhei dot io> ---
We've merged commits 590f5ea05dad458a1f {doc comment tweak} that clarifies
proper usage of the API and documents the temporary pointer retention. I think
that's reasonable given the unlikely/deliberate pattern of use required to
trigger the issue.

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