Xi Wang e424fb8cc4 panasonic-laptop: avoid overflow in acpi_pcc_hotkey_add() ...

num_sifr could go negative since acpi_pcc_get_sqty() returns -EINVAL
on error.  Then it could bypass the sanity check (num_sifr > 255).
The subsequent call to kzalloc() would allocate a small buffer, leading
to a memory corruption.

Signed-off-by: Xi Wang <[email protected]>
Signed-off-by: Matthew Garrett <[email protected]>

2012-03-12 10:25:51 -04:00

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x86

panasonic-laptop: avoid overflow in acpi_pcc_hotkey_add()

2012-03-12 10:25:51 -04:00

Kconfig

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Makefile

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