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Differential D39646

linux(4): Export the AT_RANDOM depending on the process osreldata
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Authored by dchagin on Apr 18 2023, 10:17 AM.

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Linux Emulation

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rGde67d174a10c: linux(4): Export the AT_RANDOM depending on the process osreldata
rG40c36c4674eb: linux(4): Export the AT_RANDOM depending on the process osreldata

Summary

AT_RANDOM has appeared in the 2.6.30 Linux kernel first time.

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rG FreeBSD src repository

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Tests Not Applicable

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dchagin created this revision.Apr 18 2023, 10:17 AM

Herald added a subscriber: imp. · View Herald TranscriptApr 18 2023, 10:17 AM

dchagin requested review of this revision.Apr 18 2023, 10:17 AM

Harbormaster completed remote builds in B50993: Diff 120551.Apr 18 2023, 10:17 AM

dchagin added a reviewer: Linux Emulation.Apr 18 2023, 10:22 AM

dchagin added a project: Linux Emulation.

My quick google suggests Linux AT_CANARY is defined as pointing to 16 random bytes.
Should we add either a runtime test or assertion that imgp->canarylen >= 16?

In D39646#902353, @emaste wrote:

My quick google suggests Linux AT_CANARY is defined as pointing to 16 random bytes.
Should we add either a runtime test or assertion that imgp->canarylen >= 16?

https://cgit.freebsd.org/src/tree/sys/compat/linux/linux_elf.c#n332

emaste accepted this revision.Apr 18 2023, 1:11 PM

This revision is now accepted and ready to land.Apr 18 2023, 1:11 PM

Closed by commit rG40c36c4674eb: linux(4): Export the AT_RANDOM depending on the process osreldata (authored by dchagin). · Explain WhyApr 22 2023, 7:19 PM

This revision was automatically updated to reflect the committed changes.

dchagin added a commit: rG40c36c4674eb: linux(4): Export the AT_RANDOM depending on the process osreldata.

dchagin added a commit: rGde67d174a10c: linux(4): Export the AT_RANDOM depending on the process osreldata.Jun 29 2023, 8:20 AM

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sys/

compat/

linux/

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1 line

Diff 120867

sys/compat/linux/linux_elf.c

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sys/compat/linux/linux_mib.h

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