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Differential D27356

Add a kstack_contains() helper function.
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Authored by jhb on Nov 24 2020, 9:48 PM.

Details

Reviewers
kib
markj
gnn
Commits
rS368240: Add a kstack_contains() helper function.
Summary

This is useful for stack unwinders which need to avoid out-of-bounds
reads of a kernel stack which can trigger kernel faults.

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Revision Contents
Changeset List

PathSize
head/
sys/
cddl/
dev/
dtrace/
amd64/
17 lines
i386/
15 lines
ddb/
3 lines
riscv/
riscv/
5 lines
sys/
7 lines
x86/
x86/
4 lines

Diff 80194

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head/sys/cddl/dev/dtrace/amd64/dtrace_isa.c

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head/sys/cddl/dev/dtrace/i386/dtrace_isa.c

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head/sys/ddb/db_ps.c

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head/sys/riscv/riscv/stack_machdep.c

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head/sys/sys/proc.h

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head/sys/x86/x86/stack_machdep.c

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