Messages in this thread | | | From | Florian Weimer <> | Subject | Re: [PATCH 0/4] aarch64: avoid mprotect(PROT_BTI|PROT_EXEC) [BZ #26831] | Date | Wed, 04 Nov 2020 15:45:44 +0100 |
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* Catalin Marinas:
> Can the dynamic loader mmap() the main exe again while munmap'ing the > original one? (sorry if it was already discussed)
No, we don't have a descriptor for that. /proc may not be mounted, and using the path stored there has a race condition anyway.
Thanks, Florian -- Red Hat GmbH, https://de.redhat.com/ , Registered seat: Grasbrunn, Commercial register: Amtsgericht Muenchen, HRB 153243, Managing Directors: Charles Cachera, Brian Klemm, Laurie Krebs, Michael O'Neill
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