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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2018-02-23 16:38:37 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-25 17:13:13 +0300 |
| commit | 4cb84bd8720ebe445d0ef8976307b78894b93262 (patch) | |
| tree | a34972b8573903fa35a0c4cddfd365e12a9dbfdc /block/ioprio.c | |
| parent | 7c36063750f3fcc7b22a0b301a8f78cde5fa5365 (diff) | |
| download | linux-4cb84bd8720ebe445d0ef8976307b78894b93262.tar.xz | |
serial: xuartps: Fix out-of-bounds access through DT alias
[ Upstream commit e7d75e18d0fc3f7193b65282b651f980c778d935 ]
The cdns_uart_port[] 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: 928e9263492069ee ("tty: xuartps: Initialize ports according to aliases")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'block/ioprio.c')
0 files changed, 0 insertions, 0 deletions