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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2018-02-23 14:38:30 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-25 16:13:14 +0200 |
| commit | cd777719e331432c74ecc75acbe653beb1d9180c (patch) | |
| tree | b3edd7cadbea7bd50e7fa531c4c511a8cb4c2cf4 /lib/string_helpers.c | |
| parent | a301f13f34b8359f4844b2961789afbfc10bd21d (diff) | |
serial: fsl_lpuart: Fix out-of-bounds access through DT alias
[ Upstream commit ffab87fdecc655cc676f8be8dd1a2c5e22bd6d47 ]
The lpuart_ports[] array is indexed using a value derived from the
"serialN" alias in DT, which may lead to an out-of-bounds access.
Fix this by adding a range check.
Fixes: c9e2e946fb0ba5d2 ("tty: serial: add Freescale lpuart driver support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/string_helpers.c')
0 files changed, 0 insertions, 0 deletions