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linux-stable/drivers/dma
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Kees Cook 0bb33c5fe4 dmaengine: dw-axi-dmac: Do not dereference NULL structure 
[ Upstream commit be4d46edee ]

If "vdesc" is NULL, it cannot be used with vd_to_axi_desc(). Leave
"bytes" unchanged at 0. Seen under GCC 13 with -Warray-bounds:

../drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c: In function 'dma_chan_tx_status':
../drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c:329:46: warning: array subscript 0 is outside array bounds of 'struct
virt_dma_desc[46116860184273879]' [-Warray-bounds=]
  329 |                 bytes = vd_to_axi_desc(vdesc)->length;
      |                                              ^~

Fixes: 8e55444da6 ("dmaengine: dw-axi-dmac: Support burst residue granularity")
Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Cc: Vinod Koul <vkoul@kernel.org>
Cc: dmaengine@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230127223623.never.507-kees@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-03-10 09:39:42 +01:00
..
bestcomm dmaengine: bestcomm: fix system boot lockups 2021-11-18 19:17:16 +01:00
dw dmaengine: dw: Simplify DT property parser 2021-08-06 19:18:59 +05:30
dw-axi-dmac dmaengine: dw-axi-dmac: Do not dereference NULL structure 2023-03-10 09:39:42 +01:00
dw-edma dmaengine: dw-edma: Fix readq_ch() return value truncation 2023-03-10 09:39:42 +01:00
fsl-dpaa2-qdma dmaengine: fsl-dpaa2-qdma: Fix spelling mistake "faile" -> "failed" 2021-08-29 19:14:20 +05:30
hsu dmaengine: hsu: Account transferred bytes 2021-05-31 09:50:39 +05:30
idxd dmaengine: idxd: Set traffic class values in GRPCFG on DSA 2.0 2023-03-10 09:39:34 +01:00
ioat dmaengine: ioat: stop mod_timer from resurrecting deleted timer in __cleanup() 2022-10-26 12:35:18 +02:00
ipu dmaengine: ipu: Fix fall-through warning for Clang 2021-07-13 14:38:47 -05:00
lgm dmaengine: lgm: Move DT parsing after initialization 2023-01-24 07:22:47 +01:00
mediatek dmaengine: mediatek:Fix PM usage reference leak of mtk_uart_apdma_alloc_chan_resources 2022-04-27 14:38:52 +02:00
ppc4xx ppc4xx: replace sscanf() by kstrtoul() 2021-07-28 12:40:51 +05:30
ptdma ptdma: pt_core_execute_cmd() should use spinlock 2023-02-01 08:27:14 +01:00
qcom dmaengine: qcom: bam_dma: fix runtime PM underflow 2022-07-12 16:35:18 +02:00
sf-pdma dmaengine: sf-pdma: pdma_desc memory leak fix 2023-03-10 09:39:42 +01:00
sh dmaengine: Revert "dmaengine: shdma: Fix runtime PM imbalance on error" 2022-04-13 20:59:26 +02:00
ti dmaengine: ti: k3-udma: Do conditional decrement of UDMA_CHAN_RT_PEER_BCNT_REG 2023-02-01 08:27:03 +01:00
xilinx dmaengine: xilinx_dma: call of_node_put() when breaking out of for_each_child_of_node() 2023-02-01 08:27:13 +01:00
acpi-dma.c dmaengine: acpi: Check for errors from acpi_register_gsi() separately 2021-08-06 21:48:11 +05:30
altera-msgdma.c dmaengine: altera-msgdma: make response port optional 2021-07-28 12:25:10 +05:30
amba-pl08x.c
at_hdmac.c dmaengine: at_hdmac: Check return code of dma_async_device_register 2022-11-16 09:58:30 +01:00
at_hdmac_regs.h dmaengine: at_hdmac: Fix at_lli struct definition 2022-11-16 09:58:28 +01:00
at_xdmac.c dmaengine: at_xdma: handle errors of at_xdmac_alloc_desc() correctly 2022-07-12 16:35:18 +02:00
bcm-sba-raid.c
bcm2835-dma.c
dma-axi-dmac.c
dma-jz4780.c dmaengine: jz4780: Add support for the JZ4760(B) 2021-01-26 22:45:22 +05:30
dmaengine.c dmaengine: Fix double increment of client_count in dma_chan_get() 2023-02-01 08:27:12 +01:00
dmaengine.h dmaengine: dmaengine_desc_callback_valid(): Check for callback_result 2021-11-18 19:17:02 +01:00
dmatest.c
ep93xx_dma.c dmaengine: ep93xx: Prepare clock before using it 2021-08-02 12:27:10 +05:30
fsl-edma-common.c
fsl-edma-common.h
fsl-edma.c
fsl-qdma.c dmaengine: fsl-qdma: check dma_set_mask return value 2021-05-10 19:51:03 +05:30
fsl_raid.c
fsl_raid.h
fsldma.c
fsldma.h
hisi_dma.c dmaengine: hisilicon: Add multi-thread support for a DMA channel 2022-10-26 12:35:08 +02:00
idma64.c
idma64.h
img-mdc-dma.c
imx-dma.c dmaengine: imx-dma: Cast of_device_get_match_data() with (uintptr_t) 2022-08-17 14:23:56 +02:00
imx-sdma.c dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init 2023-02-06 07:59:00 +01:00
iop-adma.c
iop-adma.h
k3dma.c dmaengine: k3dma: use the correct HiSilicon copyright 2021-04-12 17:14:53 +05:30
Kconfig dmaengine: HISI_DMA should depend on ARCH_HISI 2023-03-10 09:39:34 +01:00
lpc18xx-dmamux.c
Makefile dmaengine: ptdma: Initial driver for the AMD PTDMA 2021-08-29 19:14:20 +05:30
mcf-edma.c
milbeaut-hdmac.c
milbeaut-xdmac.c
mmp_pdma.c dmaengine: pxa/mmp: stop referencing config->slave_id 2022-01-27 11:04:13 +01:00
mmp_tdma.c
moxart-dma.c
mpc512x_dma.c dmaengine: mpc512x: Fix fall-through warning for Clang 2021-07-14 11:05:55 -05:00
mv_xor.c
mv_xor.h
mv_xor_v2.c dmaengine: mv_xor_v2: Fix a resource leak in mv_xor_v2_remove() 2022-11-16 09:58:19 +01:00
mxs-dma.c dmaengine: mxs: use platform_driver_register 2022-10-26 12:34:23 +02:00
nbpfaxi.c
of-dma.c dmaengine: of-dma: router_xlate to return -EPROBE_DEFER if controller is not yet available 2021-07-28 12:54:50 +05:30
owl-dma.c
pch_dma.c
pl330.c dmaengine: pl330: Fix lockdep warning about non-static key 2022-07-12 16:35:18 +02:00
plx_dma.c dmaengine: plx_dma: add a missing put_device() on error path 2021-04-12 15:13:51 +05:30
pxa_dma.c dmaengine: pxa_dma: use platform_get_irq_optional 2022-11-16 09:58:19 +01:00
s3c24xx-dma.c
sa11x0-dma.c
sprd-dma.c dmaengine: sprd: Cleanup in .remove() after pm_runtime_get_sync() failed 2022-08-25 11:40:38 +02:00
st_fdma.c dmaengine: st_fdma: fix MODULE_ALIAS 2021-12-22 09:32:41 +01:00
st_fdma.h
ste_dma40.c dmaengine: stedma40: add missing iounmap() on error in d40_probe() 2021-05-31 09:47:27 +05:30
ste_dma40_ll.c
ste_dma40_ll.h
stm32-dma.c dmaengine: stm32-dma: avoid 64-bit division in stm32_dma_get_max_width 2021-11-18 19:17:11 +01:00
stm32-dmamux.c dmaengine: stm32-dmamux: Fix PM disable depth imbalance in stm32_dmamux_probe 2022-02-23 12:03:21 +01:00
stm32-mdma.c dmaengine: stm32-mdma: fix chan initialization in stm32_mdma_irq_handler() 2022-06-09 10:23:15 +02:00
sun4i-dma.c dmaengine: sun4i: Use list_move_tail instead of list_del/list_add_tail 2021-06-07 17:06:38 +05:30
sun6i-dma.c
tegra20-apb-dma.c dmaengine: tegra20: Fix runtime PM imbalance on error 2021-04-12 15:10:44 +05:30
tegra210-adma.c dmaengine: tegra210-adma: fix global intr clear 2023-01-24 07:22:47 +01:00
timb_dma.c
TODO
txx9dmac.c
txx9dmac.h
uniphier-mdmac.c
uniphier-xdmac.c dmaengine: uniphier-xdmac: Fix type of address variables 2022-01-27 11:05:23 +01:00
virt-dma.c
virt-dma.h
xgene-dma.c