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| author | Pengpeng Hou <pengpeng@iscas.ac.cn> | 2026-07-15 16:32:53 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2026-07-21 15:57:48 +0200 |
| commit | 2c50ffdc73f3a70d745d249f509fc290754121e6 (patch) | |
| tree | fafb88d94c987de2f5f1d9ce976e11ae23f1517e /tools/perf/scripts/python/bin/stackcollapse-record | |
| parent | 1590cf0329716306e948a8fc29f1d3ee87d3989f (diff) | |
ACPI: processor: validate MADT IOAPIC entry bounds
The IOAPIC hotplug lookup parses both MADT and _MAT records directly.
The MADT walk previously used a subtable's declared length to advance
the cursor after only locating a generic header. The _MAT path likewise
passed a generic header to the IOAPIC helper.
Validate that a current record has a complete generic header, that its
declared length is contained in the available record range, and that a
typed IOAPIC record contains the full fixed IOAPIC body before reading
its fields. Use the same relation for both MADT and _MAT provider
paths.
Fixes: ecf5636dcd59 ("ACPI: Add interfaces to parse IOAPIC ID for IOAPIC hotplug")
Signed-off-by: Pengpeng Hou <pengpeng@iscas.ac.cn>
Link: https://patch.msgid.link/20260715083253.22831-1-pengpeng@iscas.ac.cn
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'tools/perf/scripts/python/bin/stackcollapse-record')
0 files changed, 0 insertions, 0 deletions