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kasan: fix false-positive kasan_report upon thread reuse

Description

kasan: fix false-positive kasan_report upon thread reuse

In fork1(), if a thread is reused and thread_alloc_stack() is not
called, mark the reused thread's kstack pages clean in the KASAN shadow
buffer.

Sponsored by: Juniper Networks, Inc.
MFC after: 3 days
Reviewed by: markj
Differential Revision: https://reviews.freebsd.org/D44875

Details

Provenance
khngAuthored on Apr 19 2024, 7:18 PM
Reviewer
markj
Differential Revision
D44875: kasan: fix false-positive kasan_report upon thread reuse
Parents
rG87b0195ace1a: ctags: Use C99 bool instead of defining our own
Branches
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Tags
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