MIPS: GIC: Prevent array overrun

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A GIC interrupt which is declared as having a GIC_MAP_TO_NMI_MSK
mapping causes the cpu parameter to gic_setup_intr() to be increased
to 32, causing memory corruption when pcpu_masks[] is written to again
later in the function.

Signed-off-by: Jeffrey Deans <jeffrey.deans@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: stable@vger.kernel.org
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7375/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

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Jeffrey Deans 2014-07-17 09:20:56 +01:00 • committed by Ralf Baechle

parent 2e5767a273

commit ffc8415afa

1 changed files with 4 additions and 2 deletions

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arch/mips/kernel/irq-gic.c

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