linux-kernel - Re: [PATCH v2 2/2] mtd: nand: qpic_common: prevent out of bounds access of BAM arrays

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Message-ID: <28db650d-a911-4df9-9ad4-f926ea0683e6@gmail.com>
Date: Fri, 30 May 2025 13:07:35 +0200
From: Gabor Juhos <j4g8y7@...il.com>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
 Mark Brown <broonie@...nel.org>, Md Sadre Alam <quic_mdalam@...cinc.com>,
 Varadarajan Narayanan <quic_varada@...cinc.com>,
 Sricharan Ramabadhran <quic_srichara@...cinc.com>,
 Miquel Raynal <miquel.raynal@...tlin.com>,
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>
Cc: linux-spi@...r.kernel.org, linux-mtd@...ts.infradead.org,
 linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
 Lakshmi Sowjanya D <quic_laksd@...cinc.com>
Subject: Re: [PATCH v2 2/2] mtd: nand: qpic_common: prevent out of bounds
 access of BAM arrays

2025. 05. 30. 10:56 keltezéssel, Bryan O'Donoghue írta:

...

> This one doesn't apply to -next

It is because the series is based on the SPI tree, and -next contains another
change for 'drivers/mtd/nand/qpic_common.c' which comes from the MTD tree.

It can be applied by specifying the 'M' switch for b4 shazam.


$ git reset --hard next-20250530
HEAD is now at 3a83b350b5be Add linux-next specific files for 20250530
$ b4 shazam -M 20250529-qpic-snand-avoid-mem-corruption-v2-0-2f0d13afc7d2@...il.com
Grabbing thread from lore.kernel.org/all/20250529-qpic-snand-avoid-mem-corruption-v2-0-2f0d13afc7d2@...il.com/t.mbox.gz
Checking for newer revisions
Grabbing search results from lore.kernel.org
Analyzing 4 messages in the thread
Analyzing 12 code-review messages
Checking attestation on all messages, may take a moment...
---
  ? [PATCH v2 1/2] spi: spi-qpic-snand: reallocate BAM transactions
  ? [PATCH v2 2/2] mtd: nand: qpic_common: prevent out of bounds access of BAM arrays
  ---
  ? Signed: DKIM/gmail.com
---
Total patches: 2
---
 Base: using specified base-commit b00d6864a4c948529dc6ddd2df76bf175bf27c63
Magic: Preparing a sparse worktree
---
Applying: spi: spi-qpic-snand: reallocate BAM transactions
Applying: mtd: nand: qpic_common: prevent out of bounds access of BAM arrays
---
Fetching into FETCH_HEAD
Will exec: git merge --no-ff -F /home/juhosg/devel/linux-ipq95xx/.git/b4-cover --edit FETCH_HEAD --signoff
Press Enter to continue or Ctrl-C to abort
Auto-merging drivers/mtd/nand/qpic_common.c
Auto-merging drivers/spi/spi-qpic-snand.c
Auto-merging include/linux/mtd/nand-qpic-common.h
Merge made by the 'ort' strategy.
 drivers/mtd/nand/qpic_common.c       | 30 ++++++++++++++++++++++++++----
 drivers/spi/spi-qpic-snand.c         | 16 ++++++++++++++++
 include/linux/mtd/nand-qpic-common.h |  8 ++++++++
 3 files changed, 50 insertions(+), 4 deletions(-)
$