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(parent: 91607c6) | patch
PCI: Prevent out of bounds access in numa_node override
authorSasha Levin <sasha.levin@oracle.com>
Wed, 7 Oct 2015 16:03:28 +0000 (11:03 -0500)
committerBjorn Helgaas <bhelgaas@google.com>
Wed, 7 Oct 2015 16:03:28 +0000 (11:03 -0500)
commitd318e5dae5f7af8c48e71d3f91d3ed38b6d0360e
treef7f1b34cd29a898d802a0730eefe4f7c8aa7fcf6tree | snapshot
parent91607c6afb563e1ed434e60f1168033798f8fa6acommit | diff
PCI: Prevent out of bounds access in numa_node override

d4aa930aed2d ("PCI: Allow numa_node override via sysfs") didn't check that
the numa node provided by userspace is valid.  Passing a node number too
high would attempt to access invalid memory and trigger a kernel panic.

Fixes: d4aa930aed2d ("PCI: Allow numa_node override via sysfs")
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org # v3.19+
drivers/pci/pci-sysfs.c diff | blob | history
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