Dan Carpenter b94605f5cb fpga: prevent integer overflow in dfl_feature_ioctl_set_irq() ...

[ Upstream commit 939bc5453b ]

The "hdr.count * sizeof(s32)" multiplication can overflow on 32 bit
systems leading to memory corruption.  Use array_size() to fix that.

Fixes: 322b598be4 ("fpga: dfl: introduce interrupt trigger setting API")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/YxBAtYCM38dM7yzI@kili
Signed-off-by: Xu Yilun <yilun.xu@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

2022-10-26 12:35:07 +02:00

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altera-cvp.c

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altera-fpga2sdram.c

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altera-freeze-bridge.c

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altera-hps2fpga.c

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altera-pr-ip-core-plat.c

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altera-pr-ip-core.c

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altera-ps-spi.c

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dfl-afu-dma-region.c

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dfl-afu-error.c

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dfl-afu-main.c

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dfl-afu-region.c

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dfl-afu.h

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dfl-fme-br.c

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dfl-fme-error.c

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dfl-fme-main.c

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dfl-fme-mgr.c

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dfl-fme-perf.c

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dfl-fme-pr.c

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dfl-fme-pr.h

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dfl-fme-region.c

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dfl-fme.h

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dfl-n3000-nios.c

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dfl-pci.c

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dfl.c

fpga: prevent integer overflow in dfl_feature_ioctl_set_irq()

2022-10-26 12:35:07 +02:00

dfl.h

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fpga-bridge.c

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fpga-mgr.c

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fpga-region.c

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ice40-spi.c

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Kconfig

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machxo2-spi.c

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Makefile

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of-fpga-region.c

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socfpga-a10.c

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socfpga.c

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stratix10-soc.c

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ts73xx-fpga.c

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versal-fpga.c

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xilinx-pr-decoupler.c

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xilinx-spi.c

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zynq-fpga.c

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zynqmp-fpga.c

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