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Differential D38272

cpuset: Handle CPU_WHICH_TIDPID wherever cpuset_which() is called.
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Authored by dchagin on Jan 30 2023, 12:47 PM.
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rG11ade1dffc8d: cpuset: Handle CPU_WHICH_TIDPID wherever cpuset_which() is called.
rG2058f075b4af: cpuset: Handle CPU_WHICH_TIDPID wherever cpuset_which() is called.
Summary

cpuset_which() resolves the argument pair which and id and returns references
to an appropriate resources. To avoid leaking resources or accessing unresolved
references to a resources handle new which CPU_WHICH_TIDPID wherever
cpuset_which() is called.

Reported by: syzbot+331e8402e0f7347f0f2a@syzkaller.appspotmail.com

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rG FreeBSD src repository
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sys/
kern/
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sys/kern/kern_cpuset.c

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