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PCI update for v4.3:

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NUMA
     - Prevent out of bounds access in sysfs numa_node override (Sasha Levin)
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Merge tag 'pci-v4.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci

Pull PCI fix from Bjorn Helgaas:
 "Sorry for this last-minute update; it's been in -next for quite a
  while, but I forgot about it until I started getting ready for the
  merge window.

  It's small and fixes a way a user could cause a panic via sysfs, so I
  think it's worth getting it in v4.3.

  NUMA:
    - Prevent out of bounds access in sysfs numa_node override (Sasha Levin)"

* tag 'pci-v4.3-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
  PCI: Prevent out of bounds access in numa_node override
This commit is contained in:
Linus Torvalds 2015-10-30 18:47:18 -07:00
commit f9793e379b
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/pci-sysfs.c
View File

@ -216,7 +216,7 @@ static ssize_t numa_node_store(struct device *dev,
if (ret)
return ret;
if (!node_online(node))
if (node >= MAX_NUMNODES || !node_online(node))
return -EINVAL;
add_taint(TAINT_FIRMWARE_WORKAROUND, LOCKDEP_STILL_OK);