[Bug 254774] [rtld] dl_iterate_phdr: dlpi_tls_data should be the iterated module's TLS image instead of TLS initialization image

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Apr 5 01:30:39 UTC 2021


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=254774

--- Comment #2 from Brandon Bergren <bdragon at FreeBSD.org> ---
It looks like on ours, computing the address with __tls_get_addr will as a side
effect do any deferred allocations / dtv resizing due to the tls_dtv_generation
check happening at that time.

Not sure if it's desired or not that these outstanding changes happen whenever
doing dl_iterate_phdr, or if it's more useful to give some insight as to what
is currently allocated.

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