Page MenuHomeFreeBSD
Differential D31046

Don't instrument the rdtsc ifunc when building with ASAN/UBSAN
ClosedPublic
Actions

Authored by arichardson on Jul 5 2021, 10:52 AM.
Tags
None
Referenced Files
F146953571: D31046.diff
Sat, Mar 7, 2:13 AM
Unknown Object (File)
Fri, Mar 6, 9:37 AM
Unknown Object (File)
Fri, Mar 6, 6:10 AM
Unknown Object (File)
Sat, Feb 14, 2:39 PM
Unknown Object (File)
Jan 27 2026, 4:21 PM
Unknown Object (File)
Jan 24 2026, 7:43 AM
Unknown Object (File)
Jan 15 2026, 5:26 PM
Unknown Object (File)
Jan 2 2026, 12:35 AM
View All Files
Subscribers
imp

Details

Reviewers
kib
Commits
rGf0712132b68b: Don't instrument the rdtsc ifunc when building with ASAN/UBSAN
Summary

The ifunc resolver is called before the sanitizer runtime is initialized,
so any instrumentation results in an immediate crash.

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Not Applicable
Unit
Tests Not Applicable

Event Timeline

arichardson created this revision.Jul 5 2021, 10:52 AM
Herald added a subscriber: imp. · View Herald TranscriptJul 5 2021, 10:52 AM
arichardson requested review of this revision.Jul 5 2021, 10:52 AM
Harbormaster completed remote builds in B40294: Diff 91777.Jul 5 2021, 10:52 AM
arichardson added a parent revision: D31043: Add build system support for ASAN+UBSAN instrumentation.Jul 5 2021, 10:53 AM
arichardson retitled this revision from Don't instrument the rdtsc ifunction when building with ASAN/UBSAN to Don't instrument the rdtsc ifunc when building with ASAN/UBSAN.Jul 5 2021, 1:01 PM
arichardson edited the summary of this revision. (Show Details)
arichardson added a reviewer: kib.
kib accepted this revision.Jul 5 2021, 1:07 PM
This revision is now accepted and ready to land.Jul 5 2021, 1:07 PM
Closed by commit rGf0712132b68b: Don't instrument the rdtsc ifunc when building with ASAN/UBSAN (authored by arichardson). · Explain WhyAug 2 2021, 1:35 PM
This revision was automatically updated to reflect the committed changes.
arichardson added a commit: rGf0712132b68b: Don't instrument the rdtsc ifunc when building with ASAN/UBSAN.

Revision Contents
Changeset List

PathSize
lib/
libc/
x86/
sys/
8 lines

Diff 93115

View Options

lib/libc/x86/sys/Makefile.inc

Loading...