Differential D40815

syscalls: fix modspecific_t stack content leak
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Authored by khng on Jun 30 2023, 6:16 PM.

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Reviewers

jhibbits
markj
delphij

Commits

rG2d148ce84d29: syscalls: fix modspecific_t stack content leak
rG4c20e26e26ec: syscalls: fix modspecific_t stack content leak
rG2cab2d43b83b: syscalls: fix modspecific_t stack content leak

Summary

Zero-initialize the whole modspecific_t so that there would
not be kernel stack content leak in the unused part.

Sponsored by: Juniper Networks, Inc.

Diff Detail

Repository

rG FreeBSD src repository

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

khng created this revision.Jun 30 2023, 6:16 PM

Herald added a subscriber: imp. · View Herald TranscriptJun 30 2023, 6:16 PM

khng requested review of this revision.Jun 30 2023, 6:16 PM

Harbormaster completed remote builds in B52367: Diff 124039.Jun 30 2023, 6:16 PM

khng added a parent revision: D40814: modules: fix freebsd32_modstat on big endian platforms.Jun 30 2023, 6:17 PM

Should we issue a SA for this?

This revision is now accepted and ready to land.Jul 1 2023, 7:48 AM

Closed by commit rG2cab2d43b83b: syscalls: fix modspecific_t stack content leak (authored by khng). · Explain WhyJul 1 2023, 6:40 PM

This revision was automatically updated to reflect the committed changes.

khng added a commit: rG2cab2d43b83b: syscalls: fix modspecific_t stack content leak.

khng added a commit: rG4c20e26e26ec: syscalls: fix modspecific_t stack content leak.Jul 4 2023, 12:42 PM

khng added a commit: rG2d148ce84d29: syscalls: fix modspecific_t stack content leak.Jul 4 2023, 12:53 PM

Revision Contents
Changeset List

Path

Size

sys/

kern/

kern_syscalls.c

2 lines

Diff 124072

sys/kern/kern_syscalls.c

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