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| author | Quanyang Wang <quanyang.wang@windriver.com> | 2021-04-16 08:46:51 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-04-16 13:44:14 +0100 |
| commit | a2c5bedb2d55dd27c642c7b9fb6886d7ad7bdb58 (patch) | |
| tree | 42ed662419cebfe3c4328d44b822ac7391532984 /lib/test_string.c | |
| parent | 2530b3df4326023a171977ab46fdfeac0340f5b2 (diff) | |
spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op
When handling op->addr, it is using the buffer "tmpbuf" which has been
freed. This will trigger a use-after-free KASAN warning. Let's use
temporary variables to store op->addr.val and op->cmd.opcode to fix
this issue.
Fixes: 1c26372e5aa9 ("spi: spi-zynqmp-gqspi: Update driver to use spi-mem framework")
Signed-off-by: Quanyang Wang <quanyang.wang@windriver.com>
Link: https://lore.kernel.org/r/20210416004652.2975446-5-quanyang.wang@windriver.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'lib/test_string.c')
0 files changed, 0 insertions, 0 deletions