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linux: cap mount id to INT_MAX
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Authored by aokblast on Aug 26 2026, 8:46 PM.
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linuxkpi
Summary

linux stores mount id as a int32_t, using xor would make it becomes
negative in some cases. As a result, we cap the value to INT_MAX to
prevent getting a negative value from userspace.

Diff Detail

Repository
rG FreeBSD src repository
Lint
Lint Passed
Unit
No Test Coverage
Build Status
Buildable 76193
Build 73076: arc lint + arc unit