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(parent: 5ac7171) | patch
iommu/iommu-debug: fix buffer overflows in debugfs read functions
authorSrinivasarao P <spathi@codeaurora.org>
Tue, 8 Jan 2019 08:22:13 +0000 (13:52 +0530)
committerGerrit - the friendly Code Review server <code-review@localhost>
Tue, 8 Jan 2019 10:31:45 +0000 (02:31 -0800)
commitba3c01d4a2684cdc838762031709b191716d6c5b
treedb8d7a8655eeff39cc2d15862a1c65ef6886be47tree | snapshot
parent5ac717112b1ce8095ede2c02019116cf689315c6commit | diff
iommu/iommu-debug: fix buffer overflows in debugfs read functions

The kernel buffer 'ubuf' can overflow while copying data to user
space in debugfs read functions. Fix it by limiting the length of
data to be copied to userspace.

Change-Id: Ibb3d8c4fb637ddc0e63677ec2dff14a4cf8c0c73
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
drivers/iommu/iommu-debug.c diff | blob | history
Mirror: https://github.com/0ranko0P/kernel_xiaomi_msm8998/
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