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(parent: 15a94e6) | patch
elf: Do not completely clear reused namespace in dlmopen (bug 29600)
authorFlorian Weimer <fweimer@redhat.com>
Fri, 14 Oct 2022 09:02:25 +0000 (11:02 +0200)
committerFlorian Weimer <fweimer@redhat.com>
Fri, 14 Oct 2022 09:02:25 +0000 (11:02 +0200)
commit2c42257314536b94cc8d52edede86e94e98c1436
treed4bec9c9b8c21a41f097707a5257adbb2f950ddetree
parent15a94e6668a6d7c5697e805d8d67f1d102d0d52ecommit | diff
elf: Do not completely clear reused namespace in dlmopen (bug 29600)

The data in the _ns_debug member must be preserved, otherwise
_dl_debug_initialize enters an infinite loop.  To be conservative,
only clear the libc_map member for now, to fix bug 29528.

Fixes commit d0e357ff45a75553dee3b17ed7d303bfa544f6fe
("elf: Call __libc_early_init for reused namespaces (bug 29528)"),
by reverting most of it.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
elf/dl-open.c diff | blob | blame | history
elf/tst-dlmopen-twice.c diff | blob | blame | history
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