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Allow PR_[GS]ET_TAGGED_ADDR_CTRL in gVisor#13078

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copybara-service[bot] merged 1 commit into
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May 18, 2026
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Allow PR_[GS]ET_TAGGED_ADDR_CTRL in gVisor#13078
copybara-service[bot] merged 1 commit into
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test/cl910173123

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Allow PR_[GS]ET_TAGGED_ADDR_CTRL in gVisor

This is to support HWASan guests, which make these prctl calls on process
start.

gVisor (attempts to) use the tagged address ABI unconditionally, so these
prctl calls are no-ops. I will fix up the cases where it does not in follow
up changes.

@copybara-service copybara-service Bot added the exported Issue was exported automatically label May 5, 2026
@copybara-service copybara-service Bot force-pushed the test/cl910173123 branch 2 times, most recently from 1423d53 to c0f343c Compare May 6, 2026 20:23
This is to support HWASan guests, which make these prctl calls on process
start.

gVisor (attempts to) use the tagged address ABI unconditionally, so these
prctl calls are no-ops. I will fix up the cases where it does not in follow
up changes.

PiperOrigin-RevId: 917415264
@copybara-service copybara-service Bot merged commit f36aadb into master May 18, 2026
@copybara-service copybara-service Bot deleted the test/cl910173123 branch May 18, 2026 21:07
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