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SubjectRe: [PATCH] autofs - fix slab out of bounds read in getname_kernel()
On Tue, 03 Jul 2018 14:45:15 +0800 Ian Kent <> wrote:

> Initial patch contributed by Tomas Bortoli.
> The autofs subsystem does not check that the "path" parameter is
> present for all cases where it is required when it is passed in
> via the "param" struct.
> In particular it isn't checked for the AUTOFS_DEV_IOCTL_OPENMOUNT_CMD
> ioctl command.
> To solve it, modify validate_dev_ioctl() function to check that a
> path has been provided for ioctl commands that require it.
> Signed-off-by: Tomas Bortoli <>
> Signed-off-by: Ian Kent <>
> Reported-by:

So who is the primary author of this? I'm assuming "Tomas" from the
signoff order?

The way of signifying this is to put the other author's From: line right
at the top of changelog.

I assume this is a root-only bug, so we don't need to backport the fix?

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