RTLD_DEEPBIND: make lookup not just symbolic, but walk all refobj' DAGs
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Authored by kib on Nov 29 2023, 8:58 PM.

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kevans
emaste
jrtc27
dim

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rG9daf6cd0f464: RTLD_DEEPBIND: make lookup not just symbolic, but walk all refobj' DAGs

Summary

before starting the walk over the global list.  Effectively we visit
needed objects first as well, instead of just the object itself.
This seems to better match the semantic offered by the glibc flag.

Reported by:    kevans
PR:     275393

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rG FreeBSD src repository

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Event Timeline

kib created this revision.Nov 29 2023, 8:58 PM

Herald added subscribers: bdragon, imp. · View Herald TranscriptNov 29 2023, 8:58 PM

kib requested review of this revision.Nov 29 2023, 8:58 PM

kevans added a child revision: D42843: rtld: add a test for RTLD_DEEPBIND.Nov 29 2023, 10:16 PM

This matches my understanding of the semantics, thanks!

This revision is now accepted and ready to land.Nov 30 2023, 12:11 AM

kib mentioned this in D42843: rtld: add a test for RTLD_DEEPBIND.Nov 30 2023, 12:21 PM

Closed by commit rG9daf6cd0f464: RTLD_DEEPBIND: make lookup not just symbolic, but walk all refobj' DAGs (authored by kib). · Explain WhyNov 30 2023, 7:35 PM

This revision was automatically updated to reflect the committed changes.

kib added a commit: rG9daf6cd0f464: RTLD_DEEPBIND: make lookup not just symbolic, but walk all refobj' DAGs.

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libexec/

rtld-elf/

rtld.h

1 line

rtld.c

8 lines

Diff 130814

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libexec/rtld-elf/rtld.h