From: joel@joelfernandes.org (Joel Fernandes (Google))
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 0/7] NULL pointer deref fix for stm32-dma
Date: Mon, 8 Oct 2018 22:47:45 -0700 [thread overview]
Message-ID: <20181009054752.145978-1-joel@joelfernandes.org> (raw)
Hi Greg,
While looking at android-4.14, I found a NULL pointer deref with
stm32-dma driver using Coccicheck errors. I found that upstream had a
bunch of patches on stm32-dma that have fixed this and other issues, I
applied these patches cleanly onto Android 4.14. I believe these should
goto stable and flow into Android 4.14 from there, but I haven't tested
this since I have no hardware to do so.
Atleast I can say that the coccicheck error below goes away when running:
make coccicheck MODE=report
./drivers/dma/stm32-dma.c:567:18-24: ERROR: chan -> desc is NULL but dereferenced.
Anyway, please consider this series for 4.14 stable, I have CC'd the
author and others, thanks.
Pierre Yves MORDRET (7):
dmaengine: stm32-dma: threshold manages with bitfield feature
dmaengine: stm32-dma: fix incomplete configuration in cyclic mode
dmaengine: stm32-dma: fix typo and reported checkpatch warnings
dmaengine: stm32-dma: Improve memory burst management
dmaengine: stm32-dma: fix DMA IRQ status handling
dmaengine: stm32-dma: fix max items per transfer
dmaengine: stm32-dma: properly mask irq bits
drivers/dma/stm32-dma.c | 287 +++++++++++++++++++++++++++++++++-------
1 file changed, 240 insertions(+), 47 deletions(-)
--
2.19.0.605.g01d371f741-goog
next reply other threads:[~2018-10-09 5:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-09 5:47 Joel Fernandes (Google) [this message]
2018-10-09 5:47 ` [PATCH 1/7] dmaengine: stm32-dma: threshold manages with bitfield feature Joel Fernandes (Google)
2018-10-09 5:47 ` [PATCH 2/7] dmaengine: stm32-dma: fix incomplete configuration in cyclic mode Joel Fernandes (Google)
2018-10-09 5:47 ` [PATCH 3/7] dmaengine: stm32-dma: fix typo and reported checkpatch warnings Joel Fernandes (Google)
2018-10-09 5:47 ` [PATCH 4/7] dmaengine: stm32-dma: Improve memory burst management Joel Fernandes (Google)
2018-10-09 5:47 ` [PATCH 5/7] dmaengine: stm32-dma: fix DMA IRQ status handling Joel Fernandes (Google)
2018-10-09 5:47 ` [PATCH 6/7] dmaengine: stm32-dma: fix max items per transfer Joel Fernandes (Google)
2018-10-09 5:47 ` [PATCH 7/7] dmaengine: stm32-dma: properly mask irq bits Joel Fernandes (Google)
2018-10-15 17:00 ` [PATCH 0/7] NULL pointer deref fix for stm32-dma Vinod
2018-10-16 16:11 ` Greg KH
2018-10-16 23:49 ` Joel Fernandes
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